static void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 , ENABLE);
// ADC1 configuration
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_CC2;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 3;
ADC_Init(ADC1, &ADC_InitStructure);
// ADC1 channel sequence
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 3, ADC_SampleTime_28Cycles5);
// ADC2 configuration
ADC_DeInit(ADC2);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 3;
ADC_Init(ADC2, &ADC_InitStructure);
// ADC2 channel sequence
ADC_RegularChannelConfig(ADC2, ADC_Channel_2, 1, ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 2, ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_17, 3, ADC_SampleTime_28Cycles5);
// Enable ADC1
ADC_Cmd(ADC1, ENABLE);
// Calibrate ADC1
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
// Enable ADC1 external trigger
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
ADC_TempSensorVrefintCmd(ENABLE);
// Enable ADC2
ADC_Cmd(ADC2, ENABLE);
// Calibrate ADC2
ADC_ResetCalibration(ADC2);
while(ADC_GetResetCalibrationStatus(ADC2));
ADC_StartCalibration(ADC2);
while(ADC_GetCalibrationStatus(ADC2));
// Enable ADC2 external trigger
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
}
static void AD_Reset()
{
ADC_InitTypeDef ADC_InitStructure;
ADC_DeInit(ADC1);
/* ADC configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_RegInjecSimult; //ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_239Cycles5);
ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);
ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);
/* enable and calibrate ADCs */
ADC_Enable(ADC1);
}
/*******************************************************************************
* Function Name : TIM1_CC_IRQHandler
* Description : This function handles TIM1 capture compare interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void TIM1_CC_IRQHandler(void)
{
if (TIM_GetITStatus(TIM1, TIM_IT_CC1) != RESET) { //CC1 - osiagniecie wartosci
TIM_ClearITPendingBit(TIM1, TIM_IT_CC1);
ADC_ExternalTrigConvCmd(ADC1, ENABLE); //wlaczenie triggera dla nastepnego pomiaru
}
}
/**
* @brief Configures the ADC.
* @param None
* @retval None
*/
void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure; // Structure to initialize the ADC
// Configure ADC1 on channel 1
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE; // One channel only
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; // Conversion on PWM rising edge only
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; // Timer 1 CC1
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
// Initialise and enable ADC1
ADC_DeInit( ADC1 ); //Set ADC registers to default values
ADC_Init( ADC1, &ADC_InitStructure );
ADC_RegularChannelConfig( ADC1, ADC_Channel_10, 1, ADC_SampleTime_71Cycles5);
// Start transferts
ADC_ExternalTrigConvCmd( ADC1, ENABLE ); // Enable ADC1 external trigger
ADC_DMACmd( ADC1, ENABLE ); //Enable ADC1 DMA
ADC_Cmd( ADC1, ENABLE ); //Enable ADC1
// Enable JEOC interrupt
//ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);
// Calibrate ADC1
ADC_ResetCalibration( ADC1 );
while ( ADC_GetResetCalibrationStatus(ADC1) ) {} //Check the end of ADC1 reset calibration register
ADC_StartCalibration( ADC1 );
while ( ADC_GetCalibrationStatus(ADC1) ) {} //Check the end of ADC1 calibration
}
int main(void) {
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOA | RCC_APB2Periph_ADC1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_TimeBaseStructInit(&TIM_InitStructure);
TIM_InitStructure.TIM_Prescaler = 10000;
TIM_InitStructure.TIM_Period = 100;
TIM_InitStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_InitStructure);
TIM_SelectOutputTrigger(TIM3, TIM_TRGOSource_Update);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 1, ADC_SampleTime_55Cycles5);
ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = ADC1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
ADC_Cmd(ADC1, ENABLE);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
TIM_Cmd(TIM3, ENABLE);
if (SysTick_Config(SystemCoreClock / 1000))
while (1);
while(1);
}
static void ADC1_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //DMA外设基地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; //DMA内存基地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //数据传输方向，从外设发送到内存
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //外设地址寄存器不变
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //内存地址寄存器递增
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //工作在循环缓存模式
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立模式 每个ADC独立工作
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //使用扫描模式 scan位设置
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; // cont位设置 连续转换模式
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; ;//EXTSEL 选择启动规则通道组转换的外部事件 设置成有软件控制
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //数据对齐 由软件置位和清楚 这里设置成右对齐
ADC_InitStructure.ADC_NbrOfChannel = 1; //规则通道序列长度 这些位由软件定义在规则通道转换序列中的通道数目 1个转换 指定由多少个通道被转换
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel11 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_55Cycles5); //转换时间是55.5个周期
/* Enable ADC1 external trigger */
ADC_ExternalTrigConvCmd(ADC1, DISABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/**
@brief Stops conversion engine.
*/
void Analog::stop()
{
// Disable external triggering
ADC_ExternalTrigConvCmd(_base, DISABLE);
//Disable the interrupt
ADC_ITConfig(_base , ADC_IT_EOC , DISABLE);
//Disable the ADC
ADC_Cmd(_base, DISABLE);
}
/**
* @brief Configures the ADC.
* @param None
* @retval None
*/
void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure; // Structure to initialize the ADC
// Common config
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; // Conversion on PWM rising edge only
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; // Timer 1 CC1
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 8;
ADC_DeInit( ADC1 ); //Set ADC registers to default values
ADC_Init( ADC1, &ADC_InitStructure );
// Channels config
// Refer to SignalsRouting.png for the ranks
ADC_RegularChannelConfig( ADC1, ADC_Channel_8, 2, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_9, 1, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_10, 8, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_11, 7, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_12, 3, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_13, 4, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_14, 6, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig( ADC1, ADC_Channel_15, 5, ADC_SampleTime_1Cycles5);
// Enable End Of Conversion interrupt
ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);
// Start transferts
ADC_ExternalTrigConvCmd( ADC1, ENABLE ); // Enable ADC1 external trigger
ADC_DMACmd( ADC1, ENABLE ); //Enable ADC1 DMA
ADC_Cmd( ADC1, ENABLE ); //Enable ADC1
// Calibrate ADC1
ADC_ResetCalibration( ADC1 );
while ( ADC_GetResetCalibrationStatus(ADC1) ) {} //Check the end of ADC1 reset calibration register
ADC_StartCalibration( ADC1 );
while ( ADC_GetCalibrationStatus(ADC1) ) {} //Check the end of ADC1 calibration
}
void InitialADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA
| RCC_APB2Periph_ADC1
| RCC_APB2Periph_ADC2, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* Configure PC.0(ADC Channel1, Channel2, )
as analog input -----------------------------------------------------------*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
RCC_ADCCLKConfig(RCC_PCLK2_Div6); /// 12MHz for ADC clock
/* Here we config the ADC1 and ADC2 in regular simultaneous mode
They are trigerred by TIM3 TRGO signal
The result will stored in ADC1's DR,
*/
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv =
ADC_ExternalTrigConv_None;
//ADC_ExternalTrigConv_T3_TRGO;
//ADC_ExternalTrigConv_T2_CC2;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 2;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_Init(ADC2, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, AD_CH_REF, 1, ADC_SampleTime_13Cycles5);
ADC_RegularChannelConfig(ADC2, AD_CH_X, 1, ADC_SampleTime_13Cycles5);
ADC_RegularChannelConfig(ADC1, AD_CH_Y, 2, ADC_SampleTime_13Cycles5);
ADC_RegularChannelConfig(ADC2, AD_CH_Z, 2, ADC_SampleTime_13Cycles5);
/* Initialize the ADC DMA channel */
ADC_DMACmd(ADC1,ENABLE);
DMA_DeInit(DMA_ADC);
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&ADC1->DR);
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADCResult;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 2;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;//DMA_Priority_Low DMA_Priority_VeryHigh;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA_ADC, &DMA_InitStructure);
// NVIC_InitTypeDef NVIC_InitStructure;
// NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQChannel;
// NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
// NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
// NVIC_Init(&NVIC_InitStructure);
// DMA_ITConfig(DMA_ADC, DMA_IT_TC, ENABLE);
DMA_Cmd(DMA_ADC, ENABLE);
ADC_TempSensorVrefintCmd(ENABLE);
//ADC_ExternalTrigConvCmd(ADC1, ENABLE);
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_Cmd(ADC2, ENABLE);
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
ADC_ResetCalibration(ADC2);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC2));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC2);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC2));
}
static inline void main_init_adc(void) {
/* Enable DMA1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* Enable ADC1 and GPIOC clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 |
RCC_APB2Periph_GPIOC, ENABLE);
/* Configure PC.01 (ADC Channel11) and PC.04 (ADC Channel14) as analog input-*/
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_InitTypeDef DMA_InitStructure;
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&coder_values;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitTypeDef ADC_InitStructure;
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel14 configuration */
//ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_239Cycles5);
//Paul: Changing to use chan 10 instead
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_239Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* ADC2 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC2, &ADC_InitStructure);
/* ADC2 regular channels configuration */
ADC_RegularChannelConfig(ADC2, ADC_Channel_11, 1, ADC_SampleTime_239Cycles5);
/* Enable ADC2 external trigger conversion */
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Enable ADC2 */
ADC_Cmd(ADC2, ENABLE);
/* Enable ADC2 reset calibaration register */
ADC_ResetCalibration(ADC2);
/* Check the end of ADC2 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC2));
/* Start ADC2 calibaration */
ADC_StartCalibration(ADC2);
/* Check the end of ADC2 calibration */
while(ADC_GetCalibrationStatus(ADC2));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/**
@brief Starts conversion engine. Can use external trigger events or software event
*/
void Analog::start(const Timer * const tim)
{
/* Possible trigger events for F1
ADC_ExternalTrigConv_None
ADC_ExternalTrigConv_T1_CC1
ADC_ExternalTrigConv_T1_CC2
ADC_ExternalTrigConv_T1_CC3
ADC_ExternalTrigConv_T2_CC2
ADC_ExternalTrigConv_T3_TRGO
ADC_ExternalTrigConv_T4_CC4
ADC_ExternalTrigConv_Ext_IT11_TIM8_TRGO
Possible trigger events for L1
ADC_ExternalTrigConv_T2_CC3
ADC_ExternalTrigConv_T2_CC2
ADC_ExternalTrigConv_T2_TRGO
ADC_ExternalTrigConv_T3_CC1
ADC_ExternalTrigConv_T3_CC3
ADC_ExternalTrigConv_T3_TRGO
ADC_ExternalTrigConv_T4_CC4
ADC_ExternalTrigConv_T4_TRGO
ADC_ExternalTrigConv_T6_TRGO
ADC_ExternalTrigConv_T9_CC2
ADC_ExternalTrigConv_T9_TRGO
ADC_ExternalTrigConv_Ext_IT11
ADC_ExternalTrigConvEdge_None
ADC_ExternalTrigConvEdge_Rising
ADC_ExternalTrigConvEdge_Falling
ADC_ExternalTrigConvEdge_RisingFalling
*/
adc_trigger_t trigger;// = ADC_ExternalTrigConv_None; //L1: ADC_ExternalTrigConvEdge_None
if(tim!= nullptr)
trigger = tim;
adc_init_t config(trigger,channel_count);
// Base initialization procedure
ADC_Init(_base, &config.init);
// Enable conversion through external trigger
if(trigger){
ADC_ExternalTrigConvCmd(_base, ENABLE);
}
// ADC_IT_EOC - end of conversion IRQ
// ADC_IT_AWD - analog watchdog IRQ
// ADC_IT_JEOC - end of injected conversion IRQ
ADC_ITConfig(_base , ADC_IT_EOC , ENABLE);
// Enable ADC
//TODO: enabling really before calibration? Then IRQ enabling probably shoud go after calibration
ADC_Cmd(_base, ENABLE);
//Enable ADC1 reset calibration register
ADC_ResetCalibration(_base);
//Check the end of ADC1 reset calibration register
while(ADC_GetResetCalibrationStatus(_base));
//Start ADC1 calibration
ADC_StartCalibration(_base);
//Check the end of ADC1 calibration
while(ADC_GetCalibrationStatus(_base));
//Iterate through regular channel group starting with the first
ch = channel_list.begin();
}
void
AGC_Init(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Channel4_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = ADC_CHANNEL10_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(ADC_PORT, &GPIO_InitStructure);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
ADC_DeInit(ADC3);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T8_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC3, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC3, ADC_Channel_10, 1, ADC_SampleTime_71Cycles5);
ADC_DMACmd(ADC3, ENABLE);
ADC_Cmd(ADC3, ENABLE);
ADC_ResetCalibration(ADC3);
while (ADC_GetResetCalibrationStatus(ADC3))
;
ADC_StartCalibration(ADC3);
while (ADC_GetCalibrationStatus(ADC3))
;
ADC_ExternalTrigConvCmd(ADC3, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
DMA_DeInit(DMA2_Channel5);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC3_DR_ADDRESS;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32) (&AgcSampleBuf);
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = AGC_BUF_NUM;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA2_Channel5, &DMA_InitStructure);
DMA_ClearFlag(DMA2_IT_TC5 | DMA2_IT_HT5);
DMA_ITConfig(DMA2_Channel5, DMA_IT_TC | DMA_IT_HT, ENABLE);
DMA_Cmd(DMA2_Channel5, ENABLE);
#ifdef FILTER
ch1_iir_reset();
#endif
PGA113_Init();
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();
/* NVIC configuration ------------------------------------------------------*/
NVIC_Configuration();
/* GPIO configuration ------------------------------------------------------*/
GPIO_Configuration();
/* EXTI configuration ------------------------------------------------------*/
EXTI_Configuration();
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_RegularConvertedValueTab;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 64;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_Ext_IT11_TIM8_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 2;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channels configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 2, ADC_SampleTime_28Cycles5);
/* Regular discontinuous mode channel number configuration */
ADC_DiscModeChannelCountConfig(ADC1, 1);
/* Enable regular discontinuous mode */
ADC_DiscModeCmd(ADC1, ENABLE);
/* Enable ADC1 external trigger conversion */
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
/* Set injected sequencer length */
ADC_InjectedSequencerLengthConfig(ADC1, 2);
/* ADC1 injected channel configuration */
ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 1, ADC_SampleTime_28Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_12, 2, ADC_SampleTime_28Cycles5);
/* ADC1 injected external trigger configuration */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_Ext_IT15_TIM8_CC4);
/* Enable ADC1 injected external trigger conversion */
ADC_ExternalTrigInjectedConvCmd(ADC1, ENABLE);
/* Enable JEOC interrupt */
ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
while (1)
{
}
}
/**
* @brief Initialise the ADC Peripheral
* @param[in] adc_oversample
* @return
* @arg 1 for success
* @arg 0 for failure
* Currently ignores rates and uses hardcoded values. Need a little logic to
* map from sampling rates and such to ADC constants.
*/
uint8_t AHRS_ADC_Config(int32_t adc_oversample)
{
int32_t i;
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
/* Setup analog pins */
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
/* Enable each ADC pin in the array */
for (i = 0; i < PIOS_ADC_NUM_PINS; i++) {
GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN[i];
GPIO_Init(ADC_GPIO_PORT[i], &GPIO_InitStructure);
}
/* Enable ADC clocks */
PIOS_ADC_CLOCK_FUNCTION;
/* Map channels to conversion slots depending on the channel selection mask */
for (i = 0; i < PIOS_ADC_NUM_PINS; i++) {
ADC_RegularChannelConfig(ADC_MAPPING[i], ADC_CHANNEL[i],
ADC_CHANNEL_MAPPING[i],
PIOS_ADC_SAMPLE_TIME);
}
#if (PIOS_ADC_USE_TEMP_SENSOR)
ADC_TempSensorVrefintCmd(ENABLE);
ADC_RegularChannelConfig(PIOS_ADC_TEMP_SENSOR_ADC, ADC_Channel_14,
PIOS_ADC_TEMP_SENSOR_ADC_CHANNEL,
PIOS_ADC_SAMPLE_TIME);
#endif
// TODO: update ADC to continuous sampling, configure the sampling rate
/* Configure ADCs */
ADC_InitTypeDef ADC_InitStructure;
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel =
((PIOS_ADC_NUM_CHANNELS + 1) >> 1);
ADC_Init(ADC1, &ADC_InitStructure);
#if (PIOS_ADC_USE_ADC2)
ADC_Init(ADC2, &ADC_InitStructure);
/* Enable ADC2 external trigger conversion (to synch with ADC1) */
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
#endif
RCC_ADCCLKConfig(PIOS_ADC_ADCCLK);
RCC_PCLK2Config(RCC_HCLK_Div16);
/* Enable ADC1->DMA request */
ADC_DMACmd(ADC1, ENABLE);
/* ADC1 calibration */
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1)) ;
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1)) ;
#if (PIOS_ADC_USE_ADC2)
/* ADC2 calibration */
ADC_Cmd(ADC2, ENABLE);
ADC_ResetCalibration(ADC2);
while (ADC_GetResetCalibrationStatus(ADC2)) ;
ADC_StartCalibration(ADC2);
while (ADC_GetCalibrationStatus(ADC2)) ;
#endif
/* Enable DMA1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* Configure DMA1 channel 1 to fetch data from ADC result register */
DMA_InitTypeDef DMA_InitStructure;
DMA_StructInit(&DMA_InitStructure);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) & ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr =
(uint32_t) & raw_data_buffer[0];
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
/* We are double buffering half words from the ADC. Make buffer appropriately sized */
DMA_InitStructure.DMA_BufferSize =
(PIOS_ADC_NUM_CHANNELS * adc_oversample * 2) >> 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
/* Note: We read ADC1 and ADC2 in parallel making a word read, also hence the half buffer size */
DMA_InitStructure.DMA_PeripheralDataSize =
DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
/* Trigger interrupt when for half conversions too to indicate double buffer */
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
DMA_ITConfig(DMA1_Channel1, DMA_IT_HT, ENABLE);
/* Configure and enable DMA interrupt */
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =
PIOS_ADC_IRQ_PRIO;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Finally start initial conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
return 1;
}
int main( void )
{
//konfiguracija taktova
RCC_ADCCLKConfig(RCC_PCLK2_Div2);//konfigurisanje takta za ADC
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);//dovodjenje takta za DMA kontroler
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_TIM1 | RCC_APB2Periph_ADC1, ENABLE);//dovodjenje takta portu A, B, C, tajmeru TIM1 i ADC-u
//konfiguracija portova - analogni ulazi
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//konfiguracija portova - bargraph tj. DIGIO konektor
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_5 | GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;//adresa izvorista za dma prenos - DATA REGISTER ADC-a
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADC_RegularConvertedValueTab;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 4;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 4;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 1, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 2, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 3, ADC_SampleTime_1Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 4, ADC_SampleTime_1Cycles5);
ADC_ExternalTrigConvCmd(ADC1, ENABLE);//omogucavanje externog triger moda
ADC_DMACmd(ADC1, ENABLE);//omogucavanje DMA prenosa za ADC
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);//adc kalibracija
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
//konfiguracija tajmera TIM1 koji radi u PWM modu, i svoj izlaz koristi za trigerovanje ADC-a
TIM_TimeBaseStructInit(&TIM_TimeBaseInitStruct);
TIM_TimeBaseInitStruct.TIM_Period = 150 - 1;
TIM_TimeBaseInitStruct.TIM_Prescaler = 0;
TIM_TimeBaseInitStruct.TIM_ClockDivision = 0x0;
TIM_TimeBaseInitStruct.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseInitStruct);
TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStruct.TIM_Pulse = 150 / 2;
TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OC1Init(TIM1, &TIM_OCInitStruct);
TIM_Cmd(TIM1, ENABLE);//dozovla rada tajmera tek kada se konfigurisu i DMA i ADC
TIM_CtrlPWMOutputs(TIM1, ENABLE);//generisanje PWM izlaza za tajmer 1
baterija_Acc_const=0.004032;
servo_5V_const=0.004032;
/* Inicijalizacija. */
InitGPIO_Pin(GPIOB, GPIO_Pin_11, GPIO_Mode_IPU, GPIO_Speed_50MHz);
UsartInit();
/* Inicijalizacija glavnog tajmera. */
initTimerServo();//zbog ovoga se baterija meri i dok je prekidac uvucen
/* Glavna masina stanja. */
while(1)
{
switch (state_robot)
{
/* Pocetno stanje u kome se inicijalizaciju sistemi, podesava preskaler, ukljucuje UV. */
case 0: // pocetno stanje, sve inicijalizujemo i krenemo napred
if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_11)) // ako je ocitano Vcc, tj. krene se sa izvrsavanjem, u suprotnom ostajemo u
// istom stanju
{
/* Inicijalizacija glavnog tajmera. */
initTimer90();
/* Inicijalizacija tajmera za proveru pozicije robota. */
SysTick_Config( SysTick_Config( SystemCoreClock / 1000 ) );
/* Provera koja je stategije. */
checkStrategy();
/* Zadavanje komandi. */
issueCommand( START_RUNNING, MOTION_DEVICE_ADDRESS, 30 );
waitAck( START_RUNNING, MOTION_DEVICE_ADDRESS, 30 );
issueCommand( PRESCALER, MOTION_DEVICE_ADDRESS, 1000 );
waitAck( PRESCALER, MOTION_DEVICE_ADDRESS, 1000 );
issueCommand( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
waitAck( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 30 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 30 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 25 );
if ( FLAG_arriveOnDest ) break;
sleep( 100 );
}
state_robot++;
sleep(100);
}
break;
/* Blago okretanje da bi se izbegla ivica na sredini terena. */
case 1:
if( FLAG_strategyLeft )
{
issueCommand( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 20 );
waitAck( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 20 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 25 );
if ( FLAG_arriveOnDest ) break;
sleep( 100 );
}
}
else
{
issueCommand( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 20 );
waitAck( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 20 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 25 );
if ( FLAG_arriveOnDest ) break;
sleep( 100 );
}
}
state_robot++;
sleep(100);
break;
/* Blago pomeranje napred, ka sredini terena. */
case 2:
{
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 50 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 50 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
}
/* Blaga rotacija da bi se poravnali opet. */
case 3:
if( FLAG_strategyLeft )
{
issueCommand( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 25 );
waitAck( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 25 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
else
{
issueCommand( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 25 );
waitAck( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 25 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
state_robot++;
sleep(100);
break;
/* Blago pomeranje napred da bi pomerili kocke u sredinu terena. */
case 4:
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 10 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 10 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Vracanje unazad. */
case 5:
issueCommand( PRESCALER, MOTION_DEVICE_ADDRESS, 500 );
waitAck( PRESCALER, MOTION_DEVICE_ADDRESS, 500 );
issueCommand( MOVE_BACKWARD, MOTION_DEVICE_ADDRESS, 50 );
waitAck( MOVE_BACKWARD, MOTION_DEVICE_ADDRESS, 50 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Okretanje ka prvoj kucici, onoj daljoj od ivice terana i gasenje senzora. */
case 6:
if( FLAG_strategyLeft )
{
issueCommand( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 175 );
waitAck( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 175 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
else
{
issueCommand( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 175 );
waitAck( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 175 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
issueCommand( ULTRASOUND_OFF, MOTION_DEVICE_ADDRESS, 1 );
waitAck( ULTRASOUND_OFF, MOTION_DEVICE_ADDRESS, 1 );
state_robot++;
sleep(100);
break;
/* Zatvaranje prvih vrata. */
case 7:
issueCommand( PRESCALER, MOTION_DEVICE_ADDRESS, 700 );
waitAck( PRESCALER, MOTION_DEVICE_ADDRESS, 700 );
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 100 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 100 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Vracanje unazad. */
case 8:
issueCommand( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
waitAck( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
issueCommand( PRESCALER, MOTION_DEVICE_ADDRESS, 500 );
waitAck( PRESCALER, MOTION_DEVICE_ADDRESS, 500 );
issueCommand( MOVE_BACKWARD, MOTION_DEVICE_ADDRESS, 60 );
waitAck( MOVE_BACKWARD, MOTION_DEVICE_ADDRESS, 60 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Okretanje za 180 stepeni ka pocetnoj poziciji. */
case 9:
//issueCommand( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
//waitAck( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
if( FLAG_strategyLeft )
{
issueCommand( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 180 );
waitAck( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 180 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
else
{
issueCommand( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 180 );
waitAck( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 180 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
state_robot++;
sleep(100);
break;
/* Odlazak naspram druge kucice. */
case 10:
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 15 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 15 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Okretanje ka kucici. */
case 11:
if( FLAG_strategyLeft )
{
issueCommand( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 175 );
waitAck( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 175 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
else
{
issueCommand( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 175 );
waitAck( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 175 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
issueCommand( ULTRASOUND_OFF, MOTION_DEVICE_ADDRESS, 1 );
waitAck( ULTRASOUND_OFF, MOTION_DEVICE_ADDRESS, 1 );
state_robot++;
sleep(100);
break;
/* Zatvaranje druge kucice. */
case 12:
issueCommand( ULTRASOUND_OFF, MOTION_DEVICE_ADDRESS, 1 );
waitAck( ULTRASOUND_OFF, MOTION_DEVICE_ADDRESS, 1 );
issueCommand( PRESCALER, MOTION_DEVICE_ADDRESS, 700 );
waitAck( PRESCALER, MOTION_DEVICE_ADDRESS, 700 );
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 60 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 60 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Vracanje unazad. */
case 13:
issueCommand( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
waitAck( ULTRASOUND_ON, MOTION_DEVICE_ADDRESS, 1 );
issueCommand( PRESCALER, MOTION_DEVICE_ADDRESS, 500 );
waitAck( PRESCALER, MOTION_DEVICE_ADDRESS, 500 );
issueCommand( MOVE_BACKWARD, MOTION_DEVICE_ADDRESS, 60 );
waitAck( MOVE_BACKWARD, MOTION_DEVICE_ADDRESS, 60 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Okretanje ka centru naseg dela terena. */
case 14:
if( FLAG_strategyLeft )
{
issueCommand( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 270 );
waitAck( ROTATE_LEFT, MOTION_DEVICE_ADDRESS, 270 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
else
{
issueCommand( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 270 );
waitAck( ROTATE_RIGHT, MOTION_DEVICE_ADDRESS, 270 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
}
state_robot++;
sleep(100);
break;
case 15:
issueCommand( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 40 );
waitAck( MOVE_FORWARD, MOTION_DEVICE_ADDRESS, 40 );
while( TRUE )
{
issueCommand( CHECK_ARRIVE, MOTION_DEVICE_ADDRESS, 1 );
sleep( 100 );
if ( FLAG_arriveOnDest ) break;
}
state_robot++;
sleep(100);
break;
/* Podrazumevano stanje u kome se ne radi nista. */
default:
break;
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();
/* NVIC configuration ------------------------------------------------------*/
NVIC_Configuration();
/* GPIO configuration ------------------------------------------------------*/
GPIO_Configuration();
/* TIM1 configuration ------------------------------------------------------*/
/* Time Base configuration */
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Period = 0xFF;
TIM_TimeBaseStructure.TIM_Prescaler = 0x4;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
/* TIM1 channel1 configuration in PWM mode */
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 0x7F;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OC1Init(TIM1, &TIM_OCInitStructure);
/* DMA1 Channel1 Configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_RegularConvertedValueTab;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 32;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel14 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_13Cycles5);
/* Set injected sequencer length */
ADC_InjectedSequencerLengthConfig(ADC1, 1);
/* ADC1 injected channel Configuration */
ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 1, ADC_SampleTime_71Cycles5);
/* ADC1 injected external trigger configuration */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
/* Enable automatic injected conversion start after regular one */
ADC_AutoInjectedConvCmd(ADC1, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 external trigger */
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
/* Enable JEOC interrupt */
ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* TIM1 counter enable */
TIM_Cmd(TIM1, ENABLE);
/* TIM1 main Output Enable */
TIM_CtrlPWMOutputs(TIM1, ENABLE);
/* Test on channel1 transfer complete flag */
while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
/* Clear channel1 transfer complete flag */
DMA_ClearFlag(DMA1_FLAG_TC1);
/* TIM1 counter disable */
TIM_Cmd(TIM1, DISABLE);
while (1)
{
}
}
/**
* @brief Initialise the stick scanning.
* @note Starts the ADC continuous sampling.
* @param None
* @retval None
*/
void sticks_init(void) {
ADC_InitTypeDef adcInit;
DMA_InitTypeDef dmaInit;
GPIO_InitTypeDef gpioInit;
NVIC_InitTypeDef nvicInit;
TIM_TimeBaseInitTypeDef timInit;
TIM_OCInitTypeDef timOC;
int i;
// Enable the ADC and DMA clocks
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);
gpioInit.GPIO_Speed = GPIO_Speed_50MHz;
gpioInit.GPIO_Pin = 0x7F;
gpioInit.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &gpioInit);
ADC_DeInit(ADC1);
// Setup the ADC init structure
ADC_StructInit(&adcInit);
adcInit.ADC_ContinuousConvMode = DISABLE;
adcInit.ADC_ScanConvMode = ENABLE;
adcInit.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T4_CC4;
adcInit.ADC_NbrOfChannel = STICK_ADC_CHANNELS;
ADC_Init(ADC1, &adcInit);
// Setup the regular channel cycle
for (i = 0; i < STICK_ADC_CHANNELS; ++i) {
ADC_RegularChannelConfig(ADC1, ADC_Channel_0 + i, i + 1,
ADC_SampleTime_239Cycles5);
}
// Enable ADC1 + DMA
ADC_Cmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
// Calibrate ADC1
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1))
;
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1))
;
nvicInit.NVIC_IRQChannel = DMA1_Channel1_IRQn;
nvicInit.NVIC_IRQChannelSubPriority = 1;
nvicInit.NVIC_IRQChannelPreemptionPriority = 1;
nvicInit.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvicInit);
// DMA Configuration
DMA_DeInit(DMA1_Channel1);
DMA_StructInit(&dmaInit);
dmaInit.DMA_PeripheralBaseAddr = (uint32_t) &ADC1->DR;
dmaInit.DMA_MemoryBaseAddr = (uint32_t) &adc_data[0];
dmaInit.DMA_DIR = DMA_DIR_PeripheralSRC;
dmaInit.DMA_BufferSize = STICK_ADC_CHANNELS;
dmaInit.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
dmaInit.DMA_MemoryInc = DMA_MemoryInc_Enable;
dmaInit.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
dmaInit.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
dmaInit.DMA_Mode = DMA_Mode_Circular;
dmaInit.DMA_Priority = DMA_Priority_VeryHigh;
dmaInit.DMA_M2M = DMA_M2M_Disable;
// Configure and enable the DMA
DMA_Init(DMA1_Channel1, &dmaInit);
DMA_Cmd(DMA1_Channel1, ENABLE);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
// TIM4 OC4 is ADC conversion trigger
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
TIM_DeInit(TIM4);
/* TIM4 init */
TIM_TimeBaseStructInit(&timInit);
timInit.TIM_Period = 20-1; /* 20 ms */
timInit.TIM_Prescaler = SystemCoreClock/1000 - 1; /* 1ms */
timInit.TIM_ClockDivision = 0x0;
timInit.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM4, &timInit);
/* TIM4 OC4 configuration in PWM mode to generate ADC_ExternalTrigConv_T4_CC4 */
TIM_OCStructInit(&timOC);
timOC.TIM_OCMode = TIM_OCMode_PWM1;
timOC.TIM_OutputState = TIM_OutputState_Enable;
timOC.TIM_Pulse = 1;
timOC.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OC4Init(TIM4, &timOC);
/* TIM2 enable counter */
TIM_Cmd(TIM4, ENABLE);
/* enable ADC triggering */
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
task_register(TASK_PROCESS_STICKS, sticks_process);
task_schedule(TASK_PROCESS_STICKS, 0, 20);
}
static void Init_DSO(T_DSO *g_DsoA)
{
/* 配置GPIO. */
GPIO_InitTypeDef GPIO_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* 打开GPIO_C 和 AFIO 的时钟 */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
/* 配置PC0为模拟输入模式 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* 使能 DMA1 时钟 */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel1); /* 复位DMA1寄存器到缺省状态 */
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; /* 选择ADC1的数据寄存器作为源 */
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&g_DsoA->DMA_ADCBuf; /* 目标地址 */
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; /* 设置DMA传输方向，外设(ADC)作为源 */
DMA_InitStructure.DMA_BufferSize = DMA_ADCBUFSIZE; /* 设置缓冲区大小 */
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; /* 外设地址不自增 */
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; /* 存储器地址需要自增 */
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; /* 选择外设传输单位：16bit */
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; /* 选择内存传输单位：16bit */
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; /* 无需循环模式 */
DMA_InitStructure.DMA_Priority = DMA_Priority_High; /* 选择DMA优先级 */
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; /* DMA传输类型，不是内存到内存 */
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel1,DMA_IT_TC,ENABLE);
DMA_ITConfig(DMA1_Channel1,DMA_IT_TE,ENABLE);
/* 使能 DMA1 通道1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/*Enable DMA Channel5 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* 配置ADC1 */
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; /* 连续转换静止 */
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_CC2; /* 选择TIM1的CC3做触发 */
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; /* 数据右对齐,高位为0 */
ADC_InitStructure.ADC_NbrOfChannel = 1; /* 1个通道 */
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 规则通道配置 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_1Cycles5);
/* 使能 ADC1 外部触发转换 */
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
/* 使能 ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* 使能 ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* 使能 ADC1 复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/* 检测复位校准寄存器 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* 开始 ADC1 校准 */
ADC_StartCalibration(ADC1);
/* 等待校准结束 */
while(ADC_GetCalibrationStatus(ADC1));
Set_SampRate(g_DsoA);
}
void adcInit(void) {
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
int i;
adcSetConstants();
histSize = ADC_HIST_SIZE;
// Use STM32's Dual Regular Simultaneous Mode capable of ~ 1.7M samples per second
// NOTE: assume that RCC code has already placed all pins into Analog In mode during startup
// DMA1 channel1 configuration (ADC1)
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1 + 0x4c;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&adcRawData[0];
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = sizeof(adcRawData)/4;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);
DMA_ClearITPendingBit(DMA1_IT_GL1 | DMA1_IT_TC1 | DMA1_IT_HT1);
DMA_Cmd(DMA1_Channel1, ENABLE);
// Enable the DMA1_Channel1 global Interrupt
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// ADC1 configuration
// ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_Mode = ADC_Mode_RegInjecSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = sizeof(adcRawData)/4;
ADC_Init(ADC1, &ADC_InitStructure);
#ifdef ADC_FAST_SAMPLE
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SAMPLE_TIME); // SENSE_CURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 2, ADC_SAMPLE_TIME); // SENSE_CURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 4, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SAMPLE_TIME); // SENSE_VIN
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 6, ADC_SAMPLE_TIME); // SENSE_VIN
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 7, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 8, ADC_SAMPLE_TIME); // SENSE_B
#else
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SAMPLE_TIME); // SENSE_CURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 2, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 3, ADC_SAMPLE_TIME); // SENSE_VIN
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 4, ADC_SAMPLE_TIME); // SENSE_B
#endif
ADC_DMACmd(ADC1, ENABLE);
// ADC2 configuration
// ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_Mode = ADC_Mode_RegInjecSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = sizeof(adcRawData)/4;
ADC_Init(ADC2, &ADC_InitStructure);
#ifdef ADC_FAST_SAMPLE
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 2, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 3, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 4, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 5, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 6, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 7, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 8, ADC_SAMPLE_TIME); // SENSE_C
#else
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 2, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 3, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 4, ADC_SAMPLE_TIME); // SENSE_C
#endif
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
// enable and calibrate
ADC_Cmd(ADC1, ENABLE);
adcCalibrateADC(ADC1);
ADC_Cmd(ADC2, ENABLE);
adcCalibrateADC(ADC2);
nextCrossingDetect = adcMaxPeriod;
// setup injection sequence
ADC_InjectedSequencerLengthConfig(ADC1, 1);
ADC_InjectedSequencerLengthConfig(ADC2, 1);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SAMPLE_TIME);
ADC_InjectedChannelConfig(ADC2, ADC_Channel_4, 1, ADC_SAMPLE_TIME);
ADC_ExternalTrigInjectedConvCmd(ADC1, ENABLE);
ADC_ExternalTrigInjectedConvCmd(ADC2, ENABLE);
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);
// Start ADC1 / ADC2 Conversions
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void adc_init(void){
NVIC_InitTypeDef nvic;
GPIO_InitTypeDef gpio;
ADC_InitTypeDef adc;
/* enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* Configure and enable ADC interrupt */
nvic.NVIC_IRQChannel = ADC1_2_IRQn;
nvic.NVIC_IRQChannelPreemptionPriority = 0;
nvic.NVIC_IRQChannelSubPriority = 0;
nvic.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvic);
/* GPIOA: ADC Channel 0, 1, 2 as analog input
* Ch 0 -> BEMF/I_Sense of PHASE A
* Ch 1 -> BEMF/I_Sense of PHASE B
* Ch 2 -> BEMF/I_Sense of PHASE C
*/
gpio.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2;
gpio.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &gpio);
adc_comm = 0;
adc_filtered = 0;
/* Configure ADC1 */
adc.ADC_Mode = ADC_Mode_Independent;
adc.ADC_ScanConvMode = DISABLE;
adc.ADC_ContinuousConvMode = DISABLE;
adc.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
adc.ADC_DataAlign = ADC_DataAlign_Right;
adc.ADC_NbrOfChannel = 0;
ADC_Init(ADC1, &adc);
ADC_InjectedSequencerLengthConfig(ADC1, 1);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_28Cycles5);
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_T1_CC4);
ADC_ExternalTrigInjectedConvCmd(ADC1, ENABLE);
/* Enable ADC1 JEOC interrupt */
ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Enable ADC1 External Trigger */
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
//ADC_ExternalTrigConvCmd(ADC1, DISABLE);
}
void adcInit(void)
{
if(isInit)
return;
ADC_InitTypeDef ADC_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
// Enable TIM2, GPIOA and ADC1 clock
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 |
RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE);
//Timer configuration
TIM_TimeBaseStructure.TIM_Period = ADC_TRIG_PERIOD;
TIM_TimeBaseStructure.TIM_Prescaler = ADC_TRIG_PRESCALE;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
// TIM2 channel2 configuration in PWM mode
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 1;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OC2Init(TIM2, &TIM_OCInitStructure);
TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Enable);
// Halt timer 2 during debug halt.
DBGMCU_Config(DBGMCU_TIM2_STOP, ENABLE);
adcDmaInit();
// ADC1 configuration
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_CC2;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = NBR_OF_ADC_CHANNELS;
ADC_Init(ADC1, &ADC_InitStructure);
// ADC1 channel sequence
ADC_RegularChannelConfig(ADC1, CH_VREF, 1, ADC_SampleTime_28Cycles5);
// ADC2 configuration
ADC_DeInit(ADC2);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = NBR_OF_ADC_CHANNELS;
ADC_Init(ADC2, &ADC_InitStructure);
// ADC2 channel sequence
ADC_RegularChannelConfig(ADC2, CH_VBAT, 1, ADC_SampleTime_28Cycles5);
// Enable ADC1
ADC_Cmd(ADC1, ENABLE);
// Calibrate ADC1
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
// Enable ADC1 external trigger
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
ADC_TempSensorVrefintCmd(ENABLE);
// Enable ADC2
ADC_Cmd(ADC2, ENABLE);
// Calibrate ADC2
ADC_ResetCalibration(ADC2);
while(ADC_GetResetCalibrationStatus(ADC2));
ADC_StartCalibration(ADC2);
while(ADC_GetCalibrationStatus(ADC2));
// Enable ADC2 external trigger
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
// Enable the DMA1 channel1 Interrupt
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
adcQueue = xQueueCreate(1, sizeof(AdcGroup*));
xTaskCreate(adcTask, (const signed char *)"ADC",
configMINIMAL_STACK_SIZE, NULL, /*priority*/3, NULL);
isInit = true;
}
void Analog_Config(void)
{
Analog_RCC_Config();
Analog_GPIO_Config();
Analog_NVIC_Config();
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channels configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_13Cycles5);
/* ADC2 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC2, &ADC_InitStructure);
/* ADC2 regular channels configuration */
ADC_RegularChannelConfig(ADC2, ADC_Channel_10, 1, ADC_SampleTime_13Cycles5);
/* Enable ADC2 external trigger conversion */
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
/* Enable ADC1 DMA: it should be enabled in dual mode even if the DMA is not used */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
Delay(2);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while (ADC_GetResetCalibrationStatus(ADC1))
;
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while (ADC_GetCalibrationStatus(ADC1))
;
/* Enable ADC2 */
ADC_Cmd(ADC2, ENABLE);
Delay(2);
/* Enable ADC2 reset calibaration register */
ADC_ResetCalibration(ADC2);
/* Check the end of ADC2 reset calibration register */
while (ADC_GetResetCalibrationStatus(ADC2))
;
/* Start ADC2 calibaration */
ADC_StartCalibration(ADC2);
/* Check the end of ADC2 calibration */
while (ADC_GetCalibrationStatus(ADC2))
;
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();
/* GPIO configuration ------------------------------------------------------*/
GPIO_Configuration();
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_DualConvertedValueTab;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 16;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 Channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 2;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channels configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_17, 2, ADC_SampleTime_239Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* ADC2 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 2;
ADC_Init(ADC2, &ADC_InitStructure);
/* ADC2 regular channels configuration */
ADC_RegularChannelConfig(ADC2, ADC_Channel_11, 1, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC2, ADC_Channel_12, 2, ADC_SampleTime_239Cycles5);
/* Enable ADC2 external trigger conversion */
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable Vrefint channel17 */
ADC_TempSensorVrefintCmd(ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Enable ADC2 */
ADC_Cmd(ADC2, ENABLE);
/* Enable ADC2 reset calibaration register */
ADC_ResetCalibration(ADC2);
/* Check the end of ADC2 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC2));
/* Start ADC2 calibaration */
ADC_StartCalibration(ADC2);
/* Check the end of ADC2 calibration */
while(ADC_GetCalibrationStatus(ADC2));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
/* Test on DMA1 channel1 transfer complete flag */
while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
/* Clear DMA1 channel1 transfer complete flag */
DMA_ClearFlag(DMA1_FLAG_TC1);
while (1)
{
}
}
/*
*********************************************************************************************************
* 函 数 名: InitDSO
* 功能说明: 对示波器通道1进行初始化配置。主要完成GPIO的配置、ADC的配置、DMA配置。
* 形 参：无
* 返 回 值: 无
*********************************************************************************************************
*/
void InitDSO(void)
{
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE); //配置IO口
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE); //使能定时器1时钟
RCC_ADCCLKConfig(RCC_PCLK2_Div2); //ADCCLK = PCLK2/4 = 18MHz
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
#if 1
{
DMA_InitTypeDef DMA_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel1); /* 复位DMA1寄存器到缺省状态 */
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; /* 选择ADC1的数据寄存器作为源 */
DMA_InitStructure.DMA_MemoryBaseAddr =(uint32_t)&g_DSO.buffer; /* 目标地址 */
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; /* 设置DMA传输方向，外设(ADC)作为源 */
DMA_InitStructure.DMA_BufferSize = SAMPLE_COUNT; /* 设置缓冲区大小 */
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; /* 外设地址不自增 */
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; /* 存储器地址需要自增 */
// DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; /* 选择外设传输单位：16bit */
// DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; /* 选择内存传输单位：16bit */
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; /* 选择外设传输单位：16bit */
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; /* 选择内存传输单位：16bit */
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; /* 无需循环模式 */
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh; /* 选择DMA优先级 */
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; /* DMA传输类型，不是内存到内存 */
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
}
#endif
#if 1
{
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1|RCC_APB2Periph_ADC2, ENABLE);
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_FastInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC3;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_1Cycles5);//18M/(1.5+12.5)=1.2857M最大采样频率
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_FastInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC2, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC2, ADC_Channel_10, 1, ADC_SampleTime_1Cycles5); //18M/(1.5+12.5)=1.2857M最大采样频率
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
/* Enable ADC1 */
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
/* Enable ADC2 */
ADC_Cmd(ADC2, ENABLE);
ADC_ResetCalibration(ADC2);
while(ADC_GetResetCalibrationStatus(ADC2));
ADC_StartCalibration(ADC2);
while(ADC_GetCalibrationStatus(ADC2));
}
#endif
#if 0
{
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; /* 连续转换静止 */
//ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; /* 选择TIM1的CC1做触发 */
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC3; /* 选择TIM2的CC3做触发 */
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; /* 数据右对齐,高位为0 */
ADC_InitStructure.ADC_NbrOfChannel = 1; /* 1个通道 */
ADC_Init(ADC3, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC3, ADC_Channel_11, 1, ADC_SampleTime_1Cycles5); /* ADC1 regular channels configuration */
ADC_ExternalTrigConvCmd(ADC3, ENABLE);
ADC_Cmd(ADC3, ENABLE);
ADC_DMACmd(ADC3, ENABLE);
ADC_ResetCalibration(ADC3);
while(ADC_GetResetCalibrationStatus(ADC3));
ADC_StartCalibration(ADC3);
while(ADC_GetCalibrationStatus(ADC3));
}
#endif
//SetSampRate(g_DSO.SampleFreq); /* 配置采样触发定时器，使用TIM1 CC3修改采样频率(启动时100K) */
#if 1
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
TIM_Cmd(TIM1, DISABLE);
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); //初始化定时器1的寄存器为复位值
TIM_TimeBaseStructure.TIM_Period = 72000000 / g_DSO.SampleFreq; //ARR自动重装载寄存器周期的值(定时时间）到设置频率后产生个更新或者中断(也是说定时时间到)
TIM_TimeBaseStructure.TIM_Prescaler = 0; //PSC时钟预分频数 例如：时钟频率=TIM1CLK/(时钟预分频+1)
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; //CR1->CKD时间分割值
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //CR1->CMS[1:0]和DIR定时器模式 向上计数
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //CCMR2在向上计数时，一旦TIMx_CNT<TIMx_CCR1时通道1为有效电平，否则为无效电平
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //CCER 输出使能
TIM_OCInitStructure.TIM_Pulse = TIM_TimeBaseStructure.TIM_Period / 2;//CCR3同计数器TIMx_CNT的比较，并在OC4端口上产生输出信号
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //CCER输出极性设置 高电平有效
TIM_OC3Init(TIM1, &TIM_OCInitStructure);
//TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable); //CMR2 设置预装载使能 更新事件产生时写入有效
//TIM_ARRPreloadConfig(TIM1, ENABLE); //CR1 设置ARR自动重装 更新事件产生时写入有效
TIM_Cmd(TIM1, ENABLE);
TIM_CtrlPWMOutputs(TIM1, ENABLE); //使能PWM 输出
}
#endif
}
void SampleChannel_Init()
{
NVIC_InitTypeDef NVIC_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA| RCC_APB2Periph_AFIO, ENABLE);
GPIO_InitStructure.GPIO_Pin = ADC_CHANNEL10_PIN | ADC_CHANNEL11_PIN
| ADC_CHANNEL12_PIN | ADC_CHANNEL14_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //端口模式为模拟输入方式
GPIO_Init(ADC_PORT, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8, ENABLE);
TIM_DeInit(TIM8);
TIM_TimeBaseStructure.TIM_Period = 1000000 / 1000 - 1;
TIM_TimeBaseStructure.TIM_Prescaler = 71;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure);
TIM_SelectOutputTrigger(TIM8, TIM_TRGOSource_Update);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_ADC1_ETRGREG, ENABLE);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_Ext_IT11_TIM8_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 4;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_71Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 2, ADC_SampleTime_71Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 3, ADC_SampleTime_71Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 4, ADC_SampleTime_71Cycles5);
ADC_DiscModeChannelCountConfig(ADC1, 1);
ADC_DiscModeCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1))
;
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1))
;
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32) (&ADCBuff);
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADCNUM;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ClearFlag(DMA1_IT_TC1 | DMA1_IT_HT1);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);
DMA_Cmd(DMA1_Channel1, ENABLE);
}
/**
* @brief Configure the ADC to run at a fixed oversampling
* @param[in] oversampling the amount of oversampling to run at
* @param[in] internal_adc_id handle to the device
*/
static void PIOS_INTERNAL_ADC_Config(uint32_t internal_adc_id, uint32_t oversampling)
{
struct pios_internal_adc_dev * adc_dev = (struct pios_internal_adc_dev *)internal_adc_id;
if(!PIOS_INTERNAL_ADC_validate(adc_dev))
{
return;
}
adc_dev->adc_oversample = (oversampling > PIOS_ADC_MAX_OVERSAMPLING) ? PIOS_ADC_MAX_OVERSAMPLING : oversampling;
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
/* Disable interrupts */
DMA_ITConfig(adc_dev->cfg->dma.rx.channel, adc_dev->cfg->dma.irq.flags, DISABLE);
/* Enable ADC clocks */
PIOS_ADC_CLOCK_FUNCTION;
/* Map channels to conversion slots depending on the channel selection mask */
for (int32_t i = 0; i < PIOS_ADC_NUM_PINS; i++) {
ADC_RegularChannelConfig(ADC_MAPPING[i], ADC_CHANNEL[i],
ADC_CHANNEL_MAPPING[i],
PIOS_ADC_SAMPLE_TIME);
}
#if (PIOS_ADC_USE_TEMP_SENSOR)
ADC_TempSensorVrefintCmd(ENABLE);
ADC_RegularChannelConfig(PIOS_ADC_TEMP_SENSOR_ADC, ADC_Channel_16,
PIOS_ADC_TEMP_SENSOR_ADC_CHANNEL,
PIOS_ADC_SAMPLE_TIME);
#endif
// return
/* Configure ADCs */
ADC_InitTypeDef ADC_InitStructure;
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = ((PIOS_ADC_NUM_CHANNELS + 1) >> 1);
ADC_Init(ADC1, &ADC_InitStructure);
#if (PIOS_ADC_USE_ADC2)
ADC_Init(ADC2, &ADC_InitStructure);
/* Enable ADC2 external trigger conversion (to synch with ADC1) */
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
#endif
RCC_ADCCLKConfig(PIOS_ADC_ADCCLK);
/* Enable ADC1->DMA request */
ADC_DMACmd(ADC1, ENABLE);
/* ADC1 calibration */
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1)) ;
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1)) ;
#if (PIOS_ADC_USE_ADC2)
/* ADC2 calibration */
ADC_Cmd(ADC2, ENABLE);
ADC_ResetCalibration(ADC2);
while (ADC_GetResetCalibrationStatus(ADC2)) ;
ADC_StartCalibration(ADC2);
while (ADC_GetCalibrationStatus(ADC2)) ;
#endif
/* This makes sure we have an even number of transfers if using ADC2 */
adc_dev->dma_block_size = ((PIOS_ADC_NUM_CHANNELS + PIOS_ADC_USE_ADC2) >> PIOS_ADC_USE_ADC2) << PIOS_ADC_USE_ADC2;
adc_dev->dma_half_buffer_size = adc_dev->dma_block_size * adc_dev->adc_oversample;
/* Configure DMA channel */
DMA_InitTypeDef dma_init = adc_dev->cfg->dma.rx.init;
dma_init.DMA_MemoryBaseAddr = (uint32_t) &adc_dev->raw_data_buffer[0];
dma_init.DMA_MemoryInc = DMA_MemoryInc_Enable;
dma_init.DMA_BufferSize = adc_dev->dma_half_buffer_size; /* x2 for double buffer /2 for 32-bit xfr */
DMA_Init(adc_dev->cfg->dma.rx.channel, &dma_init);
DMA_Cmd(adc_dev->cfg->dma.rx.channel, ENABLE);
/* Trigger interrupt when for half conversions too to indicate double buffer */
DMA_ITConfig(adc_dev->cfg->dma.rx.channel, DMA_IT_TC, ENABLE);
DMA_ITConfig(adc_dev->cfg->dma.rx.channel, DMA_IT_HT, ENABLE);
/* Configure DMA interrupt */
NVIC_Init((NVIC_InitTypeDef*)&adc_dev->cfg->dma.irq.init);
/* Finally start initial conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
/* Use simple averaging filter for now */
for (int32_t i = 0; i < adc_dev->adc_oversample; i++)
adc_dev->fir_coeffs[i] = 1;
adc_dev->fir_coeffs[adc_dev->adc_oversample] = adc_dev->adc_oversample;
/* Enable DMA1 clock */
RCC_AHBPeriphClockCmd(adc_dev->cfg->dma.ahb_clk, ENABLE);
}
/*
* @brief Read the analog value of a pin.
* Should return a 16-bit value, 0-65536 (0 = LOW, 65536 = HIGH)
* Note: ADC is 12-bit. Currently it returns 0-4096
*/
int32_t analogRead(uint16_t pin)
{
// Allow people to use 0-7 to define analog pins by checking to see if the values are too low.
if (pin < FIRST_ANALOG_PIN)
{
pin = pin + FIRST_ANALOG_PIN;
}
// SPI safety check
if (SPI.isEnabled() == true && (pin == SCK || pin == MOSI || pin == MISO))
{
return LOW;
}
// I2C safety check
if (Wire.isEnabled() == true && (pin == SCL || pin == SDA))
{
return LOW;
}
// Serial1 safety check
if (Serial1.isEnabled() == true && (pin == RX || pin == TX))
{
return LOW;
}
if (pin >= TOTAL_PINS || PIN_MAP[pin].adc_channel == NONE )
{
return LOW;
}
int i = 0;
if (adcChannelConfigured != PIN_MAP[pin].adc_channel)
{
digitalPinModeSaved = PIN_MAP[pin].pin_mode;
pinMode(pin, AN_INPUT);
}
if (adcInitFirstTime == true)
{
ADC_DMA_Init();
adcInitFirstTime = false;
}
if (adcChannelConfigured != PIN_MAP[pin].adc_channel)
{
// ADC1 regular channel configuration
ADC_RegularChannelConfig(ADC1, PIN_MAP[pin].adc_channel, 1, ADC_Sample_Time);
// ADC2 regular channel configuration
ADC_RegularChannelConfig(ADC2, PIN_MAP[pin].adc_channel, 1, ADC_Sample_Time);
// Save the ADC configured channel
adcChannelConfigured = PIN_MAP[pin].adc_channel;
}
for(i = 0 ; i < ADC_DMA_BUFFERSIZE ; i++)
{
ADC_DualConvertedValues[i] = 0;
}
// Reset the number of data units in the DMA1 Channel1 transfer
DMA_SetCurrDataCounter(DMA1_Channel1, ADC_DMA_BUFFERSIZE);
// Enable ADC2 external trigger conversion
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
// Enable DMA1 Channel1
DMA_Cmd(DMA1_Channel1, ENABLE);
// Enable ADC1 DMA
ADC_DMACmd(ADC1, ENABLE);
// Start ADC1 Software Conversion
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
// Test on Channel 1 DMA1_FLAG_TC flag
while(!DMA_GetFlagStatus(DMA1_FLAG_TC1));
// Clear Channel 1 DMA1_FLAG_TC flag
DMA_ClearFlag(DMA1_FLAG_TC1);
// Disable ADC1 DMA
ADC_DMACmd(ADC1, DISABLE);
// Disable DMA1 Channel1
DMA_Cmd(DMA1_Channel1, DISABLE);
uint16_t ADC1_ConvertedValue = 0;
uint16_t ADC2_ConvertedValue = 0;
uint32_t ADC_SummatedValue = 0;
uint16_t ADC_AveragedValue = 0;
for(int i = 0 ; i < ADC_DMA_BUFFERSIZE ; i++)
{
// Retrieve the ADC2 converted value and add to ADC_SummatedValue
ADC2_ConvertedValue = ADC_DualConvertedValues[i] >> 16;
ADC_SummatedValue += ADC2_ConvertedValue;
// Retrieve the ADC1 converted value and add to ADC_SummatedValue
ADC1_ConvertedValue = ADC_DualConvertedValues[i] & 0xFFFF;
ADC_SummatedValue += ADC1_ConvertedValue;
}
ADC_AveragedValue = (uint16_t)(ADC_SummatedValue / (ADC_DMA_BUFFERSIZE * 2));
// Return ADC averaged value
return ADC_AveragedValue;
}
int main(void)
{
*SCB_DEMCR = *SCB_DEMCR | 0x01000000;
*DWT_CYCCNT = 0; // reset the counter
*DWT_CONTROL = *DWT_CONTROL | 1 ; // enable the counter
/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();
// Activate I2C1 clock.
RCC->APB1ENR |= RCC_APB1ENR_I2C1EN;
/* GPIO configuration ------------------------------------------------------*/
//GPIO_Configuration();
/* TIM1 configuration ------------------------------------------------------*/
InitTIM1();
//InitTIM2();
LED_Init1();
/* Accelerometer Configuration ----------------------------------------------*/
//InitACC();
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&SampleBuff1[0];
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = SampleBuffSize;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
//ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; //TIMER1 COMANDA ADC1!!!!!!!!
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = NUM_ADC;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channels configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_28Cycles5); // Canale ECG1
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 2, ADC_SampleTime_28Cycles5); // Canale ECG2
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SampleTime_28Cycles5); // Canale Temperatura
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 external trigger */
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
TN100_InitTypeDef TN100_InitStructure;
uint8_t senderID[6];
uint8_t receiverID[6];
uint8_t packetType;
uint8_t rxmsg[5];
uint16_t rxmsglen;
uint32_t rangingtimer = 0;
uint16_t Buffer_Tx[NUM_SAMP+8];
uint16_t *pBuffer_Tx;
int8_t Buff_Comp[116]; //Buffer compresso
uint8_t *pBuff_Comp, num_loc, y, q, diz[49], CRC_val;
int16_t Buff_app[NUM_SAMP];
uint16_t Buffer3_in[NUM_SAMP_ECG];
uint16_t Buffer3_out[NUM_SAMP_ECG];
uint16_t sample, max1, max2, imax1, imax2, Buff[58];
uint16_t m = 0;
uint16_t n = 0;
uint16_t Temp;
int num_pacchetto=0;
int i, step; int j=1; int k;
int RR_Fill = 0;
// float iir_coef[] = {GAIN1, -1.994468725910304, 0.99463933704617047, -1.9983537046882773, 1, -1.9916039050017902, 0.99164560916623756, -1.9886914599162702, 1, -1.9979953458398652, 0.99827402341158644, -1.9990466012362298, 1};
// float iir_coef[] = {GAIN1, -1.9985564208306903, 0.99862589632961685, -1.9995236407524317, 1, -1.996067915503039, 0.99609980456504865, -1.9988120476320312, 1, -0.99746047624731959, 0, 1, 0}; // LPF 5 Hz
// float iir_coef[] = {GAIN1, -1.9988611276805377, 0.9988619329900803, -1.9996627164949214, 1, -1.9995421854793711, 0.99954495837831336, -1.9999409520041804, 1}; // LPF 1 Hz
// float iir_coef[] = {GAIN1, -1.9977219408097229, 0.99772516021851665, -1.9986512052812304, 1, -1.9990790359606454, 0.9990901250259242, -1.9997638181447535, 1}; // LPF 2 Hz
float iir_coef[] = {GAIN1, -1.9995869592235613, 0.99958765723850362, -1.9998923257509362, 1, -0.99958496672120145, 0, 1, 0};
/* Inizializzazione del Timer */
Timer_Init();
/* Inizializzazione dell'interfaccia seriale */
usart_init(230400); // Init usart with 230400 Baud
/* Unlock the Flash Program Erase controller */
FLASH_Unlock();
/*Inizializzazione del LED */
/*Configurazione del TN100 */
TN100_InitStructure.srcId[0] = 0x02; // Source address
TN100_InitStructure.srcId[1] = 0x00;
TN100_InitStructure.srcId[2] = 0x00;
TN100_InitStructure.srcId[3] = 0x00;
TN100_InitStructure.srcId[4] = 0x00;
TN100_InitStructure.srcId[5] = 0x00;
TN100_InitStructure.destId[0] = 0x04; // Destination address
TN100_InitStructure.destId[1] = 0x00;
TN100_InitStructure.destId[2] = 0x00;
TN100_InitStructure.destId[3] = 0x00;
TN100_InitStructure.destId[4] = 0x00;
TN100_InitStructure.destId[5] = 0x00;
TN100_InitStructure.syncword[0] = 0xAB;
TN100_InitStructure.syncword[1] = 0x2C;
TN100_InitStructure.syncword[2] = 0xD5;
TN100_InitStructure.syncword[3] = 0x92;
TN100_InitStructure.syncword[4] = 0x94;
TN100_InitStructure.syncword[5] = 0xCA;
TN100_InitStructure.syncword[6] = 0x69;
TN100_InitStructure.syncword[7] = 0xAB;
TN100_InitStructure.txpacketType = TN100_TxData;
TN100_InitStructure.rxpacketType = TN100_RxData;
/*set channel (center frequency)*/
TN100_InitStructure.chNo = E1_2412MHZ;
// -> Originale per Ranging: TN100_InitStructure.mode = TN100_80MHz_1MS_1us;
//TN100_InitStructure.mode = TN100_80MHz_500kS_2us;
TN100_InitStructure.mode = TN100_80MHz_250kS_4us;
//TN100_InitStructure.mode = TN100_22MHz_1MS_1us;
//TN100_InitStructure.mode = TN100_22MHz_500kS_2us;
//TN100_InitStructure.mode = TN100_22MHz_250kS_4us;
// La potenza in trasmissione va da 1.79 dBm (scrivere nel registro 63 ovvero 0x3F in esadecimale)
// a -36.20 dBm (ovvero 0 nel registro 0x00) (vedi datasheet TN100 pag. 96)
TN100_InitStructure.txpwr = 0x28; // 40 ovvero -7.31 dBm
TN100_InitStructure.txArq = 0x03;
TN100_InitStructure.txArqMode = 0x01;
TN100_InitStructure.rxArqMode = TN100_RxArqModeCrc2;
TN100_InitStructure.addrMatching = ON;
#ifdef PA_EN
#warning PA is on
TN100_PA_Init(TN100_PA_SMD_ANT); // Abilito l'antenna SMD sulla scheda DiZic
#endif
/* Initialize delay pointer (needed for the TN100_lib)*/
Ptr_Delay_ms = Delay_ms;
/* Initialize get time pointer (needed for the TN100_lib)*/
Ptr_GetTime_ms = GetSysTick;
/* Initialize the TN100 module */
if(TN100_Init(TN100_INIT_FULL, &TN100_InitStructure) != 1)
{
myprintf("initialization failed!\n");
myprintf("stop application!\n");
while(1);
}
/* set source address */
TN100_SetStationAddr(&TN100_InitStructure.srcId[0],&TN100_InitStructure.srcId[0]);
rxmsg[0] = 0;
rangingtimer = GetSysTick();
//valori massimi e minimi di accelerometro e magnetometro
int16_t ax_max=1024;
int16_t ay_max=1024;
int16_t az_max=1024;
int16_t ax_min=-1024;
int16_t ay_min=-1024;
int16_t az_min=-1024;
int16_t mx_max = 101;
int16_t mx_min = -104;
int16_t my_max = 80;
int16_t my_min = -147;
int16_t mz_max = 79;
int16_t mz_min = -103;
/*libreria ufficiale: deinizializza tutto ciò che riguarda la i2c1 tutti i registri*/
I2C_DeInit(I2C1);
LSM303DLHC_I2C_InitialConfig(I2C1);
/*abilita pb6 e pb7 descritti nella documentazione*/
GPIOB->CRL=0xFF444444; //per i2c1 su pb6 e pb7
/*configurazione LSM303DLHC.c dell'accelerometro e magnetometro*/
LSM303DLHC_I2C_Accelerometer_Config(I2C1);
LSM303DLHC_I2C_Magnetometer_Config(I2C1);
delay(0x0FFF);
//ECGInit();
NVIC_Configuration();
// initialize the filter
// firFixedInit();
//TN100_Callibration();
GPIO_SetBits(GPIOC, GPIO_Pin_15); // led2 on
// initialize the filter buffer
xv[0] = xv[1] = xv[2] = xv[3] = xv[4] = 0x3F;
yv[0] = yv[1] = yv[2] = yv[3] = yv[4] = 0x3F;
m = max1 = max2 = imax1 = imax2 = 0;
while(1){
// TN100_Callibration();
// rxmsglen = TN100_is_Msg_Received(&rxmsg[0], senderID, receiverID, &packetType);
/*faccio le letture x y z dell'accellerometro e magnetometro*/
buffer[0]=LSM303DLHC_I2C_Accelerometer_ReadDataAXL(I2C1);
buffer[1]=LSM303DLHC_I2C_Accelerometer_ReadDataAXH(I2C1);
// Prendo gli 8bit (MSB e LSB), li unisco per ricreare i 16bit del accelerometro
// ci tolgo 2^16 cosi da ottenere un numero basso ad accelerometro fermo e 65536
// in movimento (originariamente è all'incontro)
// mems[0] = 65536 -( (uint16_t) ((buffer[0] << 8) | buffer[1]) );
mems[0] = buffer[0];
mems[1] = buffer[1];
buffer[2]=LSM303DLHC_I2C_Accelerometer_ReadDataAYL(I2C1);
buffer[3]=LSM303DLHC_I2C_Accelerometer_ReadDataAYH(I2C1);
// mems[1] = 65536 -( (uint16_t) ((buffer[2] << 8) | buffer[3] ));
mems[2] = buffer[2];
mems[3] = buffer[3];
buffer[4]=LSM303DLHC_I2C_Accelerometer_ReadDataAZL(I2C1);
buffer[5]=LSM303DLHC_I2C_Accelerometer_ReadDataAZH(I2C1);
// mems[2] = 65536 -( (uint16_t) ((buffer[4] << 8) | buffer[5] ));
mems[4] = buffer[4];
mems[5] = buffer[5];
buffer[6]=LSM303DLHC_I2C_Magnetometer_ReadDataMXL(I2C1);
buffer[7]=LSM303DLHC_I2C_Magnetometer_ReadDataMXH(I2C1);
// mems[3] = 65536 -( (uint16_t) ((buffer[6] << 8) | buffer[7] ));
buffer[8]=LSM303DLHC_I2C_Magnetometer_ReadDataMYL(I2C1);
buffer[9]=LSM303DLHC_I2C_Magnetometer_ReadDataMYH(I2C1);
// mems[4] = 65536 -( (uint16_t) ((buffer[8] << 8) | buffer[9] ));
buffer[10]=LSM303DLHC_I2C_Magnetometer_ReadDataMZL(I2C1);
buffer[11]=LSM303DLHC_I2C_Magnetometer_ReadDataMZH(I2C1);
// mems[5] = 65536 -( (uint16_t) ((buffer[10] << 8) | buffer[11]) );
// Aggiusto i dati dell'accelerometro secondo la notazione 12-bit left-justified big endian
double ax = ((int16_t)(( (buffer[0]<<8) | buffer[1] )))/16;
double ay = ((int16_t)(( (buffer[2]<<8) | buffer[3] )))/16;
double az = ((int16_t)(( (buffer[4]<<8) | buffer[5] )))/16;
// Aggiusto i dati del Magnetometro secondo la notazione 12-bit right-justified little endian
double mx = ((int16_t)(( (buffer[7]<<8) | buffer[6] )));
double my = ((int16_t)(( (buffer[9]<<8) | buffer[8] )));
double mz = ((int16_t)(( (buffer[11]<<8) | buffer[10] )));
// normalizzo i dati utilizzando i massimi ed i minimi, i risultati vanno da -1 a +1
double ax_n = ((ax - ax_min) / (ax_max - ax_min)) * 2 - 1;
double ay_n = ((ay - ay_min) / (ay_max - ay_min)) * 2 - 1;
double az_n = ((az - az_min) / (az_max - az_min)) * 2 - 1;
double mx_n = ((mx - mx_min) / (mx_max - mx_min)) * 2 - 1;
double my_n = ((my - my_min) / (my_max - my_min)) * 2 - 1;
double mz_n = ((mz - mz_min) / (mz_max - mz_min)) * 2 - 1;
// calcolo pitch e roll del piano orizzontale
double pitch = asin(-ax_n);
double roll = asin(ay_n / cos(pitch));
//formule per calcolare l'angolo in base all'inclinazione
double xh = mx_n * cos(pitch) + mz_n * sin(pitch);
double yh = mx_n * sin(roll) * sin(pitch) + my_n * cos(roll) - mz_n * sin(roll) * cos(pitch);
//angolo sfruttando l'accelerometro
double heading = (180 * atan2(yh, xh)/M_PI);
//angolo considerando pitch e roll uguali a zero
double headingZero = (180 * atan2(my_n, mx_n) / M_PI);
//per avere valori da 0 a 360 e non da -180 a +180
if (yh < 0)
heading += 360;
//per avere valori da 0 a 360 e non da -180 a +180
if (headingZero < 0)
headingZero += 360;
//inserisce i valori aggiustati utilizzando le notazioni precedenti nel buffer da inviare
*(int16_t*)&(buffer[0]) = (int16_t)ax;
*(int16_t*)&(buffer[2]) = (int16_t)ay;
*(int16_t*)&(buffer[4]) = (int16_t)az;
*(int16_t*)&(buffer[6]) = (int16_t)mx;
*(int16_t*)&(buffer[8]) = (int16_t)my;
*(int16_t*)&(buffer[10])= (int16_t)mz;
//inserisco nel buffer i valori dell'angolo e dell'angolo con piano orizzontale nullo
*(int16_t*)&(buffer[12]) = (int16_t)heading;
*(int16_t*)&(buffer[14]) = (int16_t)headingZero;
pBuffer_Tx = &Buffer_Tx[0];
pBuff_Comp = &Buff_Comp[0];
if (Buffer_Ready==1)
{ step=0;
if(pSampleBuff2==&SampleBuff2[0])
k=0;
else
k=DATA_BUFF_SIZE;
if(j<=25)
{
Buffer_Tx[j] = SampleBuff2[k+step];
p3_in = &Buffer3_in[0];
p3_out = &Buffer3_out[0];
for(i=0; i<DATA_BUFF_SIZE; i++)
{
if((i%3) == 2) Buffer3_in[i/3]=SampleBuff2[i+k]; // Fill Temperature Buffer
}
Filter3(p3_in, NUM_SAMP_ECG, p3_out);
Temp=Buffer3_out[0]; // Decimation
Buffer_Tx[j+25]=SampleBuff2[k+1+step];
j++;
step=step+3;
}
else if(j>25)
{
num_loc=2;
Buff_app[0]= Buffer_Tx[1];
for(i=1; i<NUM_SAMP; i=i+1){
Buff_app[i]= Buffer_Tx[i+1]-Buffer_Tx[i];
}
for(i=1; i<NUM_SAMP; i=i+1){
if(Buff_app[i]>127){diz[i-1]=1;
num_loc=num_loc+2;}
else if(Buff_app[i]<-128){diz[i-1]=1;
num_loc=num_loc+2;}
else {diz[i-1]=0;
num_loc=num_loc+1;}
}
y=3;
Buff_Comp[1]=Buff_app[0];
Buff_Comp[2]=(0xFFFF & Buff_app[0])>>8;
for(i=0; i<49; i=i+1){
if(diz[i]==0){Buff_Comp[y]=Buff_app[i+1];
y++;}
else{Buff_Comp[y]=Buff_app[i+1];
Buff_Comp[y+1]=(0xFFFF & Buff_app[i+1])>>8;
y=y+2;}
}
Buff_Comp[num_loc+1]=Temp;
// Accelerometro X a 16bit con 8bit (LSB) in mems[0] e 8bit (MSB) in mems[1]
Buff_Comp[num_loc+2]=mems[0];
Buff_Comp[num_loc+3]=mems[1];
// Accelerometro Y
Buff_Comp[num_loc+4]=mems[2];
Buff_Comp[num_loc+5]=mems[3];
// Accelerometro Z
Buff_Comp[num_loc+6]=mems[4];
Buff_Comp[num_loc+7]=mems[5];
Buff_Comp[0]=0x00FF & num_pacchetto;
q=0;
for(i=0; i<41; i=i+8){
Buff_Comp[num_loc+8+q]=((diz[i]&1)<<7)|((diz[i+1]&1)<<6)|((diz[i+2]&1)<<5)|((diz[i+3]&1)<<4)|((diz[i+4]&1)<<3)|((diz[i+5]&1)<<2)|((diz[i+6]&1)<<1)|(diz[i+7]&1);
q++;
}
Buff_Comp[num_loc+14]=diz[48];
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC,ENABLE);
CRC->CR = 0x00000001;
CRC_val=CRC_CalcBlockCRC((uint32_t *)pBuff_Comp, ((num_loc+15)/4));
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC,DISABLE);
Buff_Comp[num_loc+15]=CRC_val;
GPIO_SetBits(GPIOC, GPIO_Pin_14); // led1 on
// Attendo che il TN100 si svegli. Per svegliarlo cambio lo stato al pin DII0_3 (D03)
while(TN100_getWUState() != 1)
{
TN100_DIIO_3_STROBE();
}
Delay_ms(2);
// Lo reinizializzo ed invio il dato
TN100_Init(TN100_INIT_FULL, &TN100_InitStructure);
TN100_Send_Data(&TN100_InitStructure.destId[0], (uint8_t *)pBuff_Comp, (num_loc+16));
// Ad ogni ciclo ED UNA SOLA VOLTA per ciclo devo calibrarlo
// TN100_Callibration();
// rxmsglen = TN100_is_Msg_Received(&rxmsg[0], senderID, receiverID, &packetType);
// Mando il Tn100 in sleep
TN100_Sleep(TN100_WAKEUPDIIO, TN100_PD_FULL, TN100_DIIO_3, NULL);
GPIO_ResetBits(GPIOC, GPIO_Pin_14); // led1 off
// STOPWATCH_STOP;
// STOPWATCH_START;
j=1;
num_pacchetto++;
Buffer_Ready = 0;
}
}
void adcInit(void)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
adcSetConstants();
histSize = ADC_HIST_SIZE;
// Use STM32's Dual Regular Simultaneous Mode capable of ~ 1.7M samples per second
// NOTE: assume that RCC code has already placed all pins into Analog In mode during startup
// DMA1 channel1 configuration (ADC1)
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1 + 0x4c; //从这个寄存器读
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&adcRawData[0]; //写入到这个内存
DMA_InitStructure.DMA_BufferSize = sizeof(adcRawData)/4; //传输数据量
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //从外设读
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //外设地址不递加
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //存储器地址递加
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;//外设数据宽度32位
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; //存储器数据宽度32位
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环模式
DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh; //通道优先级最高
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //非存储器到存储器模式
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);
DMA_ClearITPendingBit(DMA1_IT_GL1 | DMA1_IT_TC1 | DMA1_IT_HT1);
DMA_Cmd(DMA1_Channel1, ENABLE);
// Enable the DMA1_Channel1 global Interrupt
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// ADC1 configuration
// ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_Mode = ADC_Mode_RegInjecSimult;//混合的同步规则+注入同步模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //使用扫描模式
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //连续转换模式
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //SWSTART 软件触发模式
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = sizeof(adcRawData)/4;//规则通道序列长度 有8个转换通道
ADC_Init(ADC1, &ADC_InitStructure);
#ifdef ADC_FAST_SAMPLE
//有8个转换通道 都是规则转换序列
//ADC_SAMPLE_TIME是AD的采样时间
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SAMPLE_TIME); // SENSE_CURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 2, ADC_SAMPLE_TIME); // SENSE_CURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 4, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SAMPLE_TIME); // SENSE_VIN
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 6, ADC_SAMPLE_TIME); // SENSE_VIN
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 7, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 8, ADC_SAMPLE_TIME); // SENSE_B
#else
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SAMPLE_TIME); // SENSE_CURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 2, ADC_SAMPLE_TIME); // SENSE_B
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 3, ADC_SAMPLE_TIME); // SENSE_VIN
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 4, ADC_SAMPLE_TIME); // SENSE_B
#endif
ADC_DMACmd(ADC1, ENABLE);//ADC1开启DMA模式
// ADC2 configuration
//ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;
ADC_InitStructure.ADC_Mode = ADC_Mode_RegInjecSimult; //混合的同步规则+注入同步模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //使用扫描模式
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //连续转换模式
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //SWSTART 软件触发模式
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = sizeof(adcRawData)/4; //规则通道序列长度 有8个转换通道
ADC_Init(ADC2, &ADC_InitStructure);
#ifdef ADC_FAST_SAMPLE
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 2, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 3, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 4, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 5, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 6, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 7, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 8, ADC_SAMPLE_TIME); // SENSE_C
#else
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 2, ADC_SAMPLE_TIME); // SENSE_C
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 3, ADC_SAMPLE_TIME); // SENSE_A
ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 4, ADC_SAMPLE_TIME); // SENSE_C
#endif
ADC_ExternalTrigConvCmd(ADC2, ENABLE);//使用外部事件启动转换
// enable and calibrate
ADC_Cmd(ADC1, ENABLE);
adcCalibrateADC(ADC1);
ADC_Cmd(ADC2, ENABLE);
adcCalibrateADC(ADC2);
nextCrossingDetect = adcMaxPeriod;
// setup injection sequence
// 设置注入序列
ADC_InjectedSequencerLengthConfig(ADC1, 1);//注入序列只有1个转换
ADC_InjectedSequencerLengthConfig(ADC2, 1);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SAMPLE_TIME);//设置注入序列转换的通道
ADC_InjectedChannelConfig(ADC2, ADC_Channel_4, 1, ADC_SAMPLE_TIME);
ADC_ExternalTrigInjectedConvCmd(ADC1, ENABLE);//注入序列 使用外部事件启动转换
ADC_ExternalTrigInjectedConvCmd(ADC2, ENABLE);
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);//软件触发
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);
// Start ADC1 / ADC2 Conversions
ADC_SoftwareStartConvCmd(ADC1, ENABLE);//开始转换.并设置好外部触发模式
}
/*
* @brief Initialize the ADC peripheral.
*/
void ADC_DMA_Init()
{
//Using "Dual Slow Interleaved ADC Mode" to achieve higher input impedance
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
// ADCCLK = PCLK2/6 = 72/6 = 12MHz
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
// Enable DMA1 clock
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
// Enable ADC1 and ADC2 clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2, ENABLE);
// DMA1 channel1 configuration
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADC_DualConvertedValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADC_DMA_BUFFERSIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
// Enable DMA1 Channel1
DMA_Cmd(DMA1_Channel1, ENABLE);
// ADC1 configuration
ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
// ADC2 configuration
ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC2, &ADC_InitStructure);
// Enable ADC2 external trigger conversion
ADC_ExternalTrigConvCmd(ADC2, ENABLE);
// Enable ADC1 DMA
ADC_DMACmd(ADC1, ENABLE);
// Enable ADC1
ADC_Cmd(ADC1, ENABLE);
// Enable ADC1 reset calibration register
ADC_ResetCalibration(ADC1);
// Check the end of ADC1 reset calibration register
while(ADC_GetResetCalibrationStatus(ADC1));
// Start ADC1 calibration
ADC_StartCalibration(ADC1);
// Check the end of ADC1 calibration
while(ADC_GetCalibrationStatus(ADC1));
// Enable ADC2
ADC_Cmd(ADC2, ENABLE);
// Enable ADC2 reset calibration register
ADC_ResetCalibration(ADC2);
// Check the end of ADC2 reset calibration register
while(ADC_GetResetCalibrationStatus(ADC2));
// Start ADC2 calibration
ADC_StartCalibration(ADC2);
// Check the end of ADC2 calibration
while(ADC_GetCalibrationStatus(ADC2));
}