/*******************************************************************************
* Function Name : SVPWM_InjectedConvConfig
* Description : This function configure ADC1 for 3 shunt current
* reading and temperature and voltage feedbcak after a
* calibration of the three utilized ADC Channels
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void SVPWM_InjectedConvConfig(void)
{
/* ADC1 Injected conversions configuration */
ADC_InjectedSequencerLengthConfig(ADC1,2);
ADC_InjectedSequencerLengthConfig(ADC2,2);
ADC_InjectedChannelConfig(ADC1, PHASE_B_ADC_CHANNEL,1,SAMPLING_TIME_CK);
ADC_InjectedChannelConfig(ADC1, BUS_VOLT_FDBK_CHANNEL,2,SAMPLING_TIME_CK);
/* ADC1 Injected conversions trigger is TIM1 TRGO */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_T1_TRGO);
ADC_ExternalTrigInjectedConvCmd(ADC2,ENABLE);
/* Bus voltage protection initialization*/
ADC_AnalogWatchdogCmd(ADC1,ADC_AnalogWatchdog_SingleInjecEnable);
ADC_AnalogWatchdogSingleChannelConfig(ADC1,BUS_VOLT_FDBK_CHANNEL);
ADC_AnalogWatchdogThresholdsConfig(ADC1, OVERVOLTAGE_THRESHOLD>>3,0x00);
/* ADC1 Injected group of conversions end and Analog Watchdog interrupts enabling */
ADC_ITConfig(ADC1, ADC_IT_JEOC | ADC_IT_AWD, ENABLE);
/* ADC2 Injected conversions configuration */
ADC_InjectedSequencerLengthConfig(ADC2,2);
ADC_InjectedChannelConfig(ADC2, PHASE_A_ADC_CHANNEL, 1,SAMPLING_TIME_CK);
ADC_InjectedChannelConfig(ADC2, TEMP_FDBK_CHANNEL, 2,SAMPLING_TIME_CK);
}
void SVPWM_3ShuntCurrentReadingCalibration(void)
{
static u16 bIndex;
/* ADC1 Injected group of conversions end interrupt disabling */
ADC_ITConfig(ADC1, ADC_IT_JEOC, DISABLE);
hPhaseAOffset=0;
hPhaseBOffset=0;
hPhaseCOffset=0;
/* ADC1 Injected conversions trigger is given by software and enabled */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
ADC_ExternalTrigInjectedConvCmd(ADC1,ENABLE);
/* ADC1 Injected conversions configuration */
ADC_InjectedSequencerLengthConfig(ADC1,3);
ADC_InjectedChannelConfig(ADC1, PHASE_A_ADC_CHANNEL,1,SAMPLING_TIME_CK);
ADC_InjectedChannelConfig(ADC1, PHASE_B_ADC_CHANNEL,2,SAMPLING_TIME_CK);
ADC_InjectedChannelConfig(ADC1, PHASE_C_ADC_CHANNEL,3,SAMPLING_TIME_CK);
/* Clear the ADC1 JEOC pending flag */
ADC_ClearFlag(ADC1, ADC_FLAG_JEOC);
ADC_SoftwareStartInjectedConvCmd(ADC1,ENABLE);
/* ADC Channel used for current reading are read
in order to get zero currents ADC values*/
for(bIndex=0; bIndex <NB_CONVERSIONS; bIndex++)
{
while(!ADC_GetFlagStatus(ADC1,ADC_FLAG_JEOC)) { }
hPhaseAOffset += (ADC_GetInjectedConversionValue(ADC1,ADC_InjectedChannel_1)>>3);
hPhaseBOffset += (ADC_GetInjectedConversionValue(ADC1,ADC_InjectedChannel_2)>>3);
hPhaseCOffset += (ADC_GetInjectedConversionValue(ADC1,ADC_InjectedChannel_3)>>3);
/* Clear the ADC1 JEOC pending flag */
ADC_ClearFlag(ADC1, ADC_FLAG_JEOC);
ADC_SoftwareStartInjectedConvCmd(ADC1,ENABLE);
}
SVPWM_InjectedConvConfig( );
}
void adc_init()
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
RCC_HSICmd(ENABLE);
while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA , ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5; //2, 3
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //We will convert single channel only
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//we will convert many times
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //right 12-bit data alignment in ADC data register
ADC_Init(ADC1, &ADC_InitStructure);//load structure values to control and status registers
ADC_InjectedSequencerLengthConfig(ADC1, 4);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_192Cycles);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_3, 2, ADC_SampleTime_192Cycles);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_4, 3, ADC_SampleTime_192Cycles);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_5, 4, ADC_SampleTime_192Cycles);
ADC_ExternalTrigInjectedConvEdgeConfig(ADC1, ADC_ExternalTrigInjecConvEdge_None);
ADC_AutoInjectedConvCmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
while(!(ADC1->SR&ADC_SR_ADONS)); //wait till ready
//TODO: delay();
ADC_SoftwareStartInjectedConv(ADC1);
//TODO: delay();
}
void ADC1_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
/* 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_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 3;
ADC_Init(ADC1, &ADC_InitStructure);
//Zuerst die anzahl der Channels:
ADC_InjectedSequencerLengthConfig(ADC1, 3);
//Rang der Channels festlegen:
/* ADC1 regular channels configuration */
ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_28Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_28Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_8, 3, ADC_SampleTime_28Cycles5);
//Ohne dem gehts auch nicht: diese Zeile bedeutet, die Umwandlung passiert per Software, ohne EXT-Trigger
/* ADC1 injected external trigger configuration */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
/* 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));
}
/***********************************************************
* 函数声明：ADC初始化函数 *
* function：采集片内温度，保温盒温度，三相电有效值 *
* 输出 ： 无 *
* 调用函数：ST F.W. Ver3.0 *
***********************************************************/
void ADC1_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
/* 12MHz的时钟 */
RCC_ADCCLKConfig(RCC_PCLK2_Div6); /* David */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_Init(ADC1, &ADC_InitStructure);
/*
ADC1, ADC_Channel_0->PA0->恒温盒内温度
ADC_SampleTime_71Cycles5
*/
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_239Cycles5); //恒温盒内温度
#if 1
ADC_InjectedSequencerLengthConfig(ADC1, 1);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_239Cycles5);//ADC_SampleTime_55Cycles5
ADC_TempSensorVrefintCmd(ENABLE); //测温度的 使能
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None); // ADC_ExternalTrigInjecConv_T2_TRGO
ADC_AutoInjectedConvCmd(ADC1, ENABLE);
#endif
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void ADC_Configuration(void)
{ /* ADC1 configuration ------------------------------------------------------*/
ADC1_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC1_InitStructure.ADC_ScanConvMode = ENABLE;
ADC1_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC1_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC1_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC1_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC1_InitStructure);
/* ADC1 regular channels configuration */
ADC_InjectedSequencerLengthConfig(ADC1, 3);
ADC_InjectedChannelConfig(ADC1, IA_CHN, 1, ADC_SampleTime_1Cycles5);
ADC_InjectedChannelConfig(ADC1, IB_CHN, 2, ADC_SampleTime_1Cycles5);
ADC_InjectedChannelConfig(ADC1, IC_CHN, 3, ADC_SampleTime_1Cycles5);
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
/* Enable ADC1 DMA */
// ADC_DMACmd(ADC1, ENABLE);
/* ADC2 configuration ------------------------------------------------------*/
ADC2_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC2_InitStructure.ADC_ScanConvMode = ENABLE;
ADC2_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC2_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC2_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC2_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC2, &ADC2_InitStructure);
/* ADC2 regular channels configuration */
ADC_InjectedSequencerLengthConfig(ADC2, 4);
ADC_InjectedChannelConfig(ADC2, UA_CHN, 1, ADC_SampleTime_1Cycles5);
ADC_InjectedChannelConfig(ADC2, UB_CHN, 2, ADC_SampleTime_1Cycles5);
ADC_InjectedChannelConfig(ADC2, UC_CHN, 3, ADC_SampleTime_1Cycles5);
ADC_InjectedChannelConfig(ADC2, U0_CHN, 4, ADC_SampleTime_1Cycles5);
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);
/* Enable ADC2 EOC interupt */
// ADC_ITConfig(ADC2, ADC_IT_EOC, ENABLE);
/* ADC3 configuration ------------------------------------------------------*/
/* Enable ADC3 DMA */
//ADC_DMACmd(ADC3, 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));
}
/**
* @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)
{
}
}
void o2pt_adc_init(void)
{
/*
PC0 VFB_A ADC123_IN10
PC1 VFB_B ADC123_IN11
PC2 IFB_A ADC123_IN12
PC3 IFB_B ADC123_IN13
PC4 VO2S_A ADC12_IN14
PC5 VO2S_B ADC12_IN15
*/
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
//ADC
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_InitStructure.GPIO_Pin = \
GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | \
GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
GPIO_Init(GPIOC, &GPIO_InitStructure);
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
RCC_ADCCLKConfig(RCC_PCLK2_Div6); /*72Mhz/6 = 12Mhz, note: 14MHz at most*/
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
ADC_StructInit(&ADC_InitStructure);
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_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 0;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_Init(ADC2, &ADC_InitStructure);
ADC_InjectedSequencerLengthConfig(ADC1, 4); //!!!length must be configured at first
ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_239Cycles5); //12Mhz / (12.5 + 239.5) = 47Khz
ADC_InjectedChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_239Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_239Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_13, 4, ADC_SampleTime_239Cycles5);
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
ADC_AutoInjectedConvCmd(ADC1, ENABLE); //!!!must be set because inject channel do not support CONT mode independently
ADC_InjectedSequencerLengthConfig(ADC2, 2); //!!!length must be configured at first
ADC_InjectedChannelConfig(ADC2, ADC_Channel_14, 1, ADC_SampleTime_239Cycles5); //12Mhz / (12.5 + 239.5) = 47Khz
ADC_InjectedChannelConfig(ADC2, ADC_Channel_15, 2, ADC_SampleTime_239Cycles5);
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);
ADC_AutoInjectedConvCmd(ADC2, ENABLE); //!!!must be set because inject channel do not support CONT mode independently
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1)); //WARNNING: DEAD LOOP!!!
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
ADC_Cmd(ADC2, ENABLE);
ADC_ResetCalibration(ADC2);
while(ADC_GetResetCalibrationStatus(ADC2));
ADC_StartCalibration(ADC2);
while(ADC_GetCalibrationStatus(ADC2)); //WARNNING: DEAD LOOP!!!
ADC_SoftwareStartConvCmd(ADC2, ENABLE);
}
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
}
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);
}
/**
* @fn void Key_Init(void)
* @brief
* - Key 초기화 함수
* @remarks
* @param void
* @return void
*/
void Key_Init(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/***** 키 인터럽트 설정(PA1) *****/
/* 외부 인터럽트 라인 설정 */
GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource1);
/* 외부 인터럽트 설정 */
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Line = EXTI_Line1;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* EXTI line 1 활성화 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* PF6 (ADC Channel3_IN4) 를 아날로그 입력으로 설정 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; // 아날로그 모드
GPIO_Init(GPIOF, &GPIO_InitStructure);
/* ADC3 클럭 활성화 */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
/* ADC3 설정*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigInjecConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 3; // Regular 채널의 개수
ADC_Init(ADC3, &ADC_InitStructure);
/* ADC3 Injected 채널 설정 */
ADC_InjectedChannelConfig(ADC3, ADC_Channel_4, 1, ADC_SampleTime_55Cycles5);
ADC_InjectedSequencerLengthConfig(ADC3,1); // Injected 채널의 개수 설정
/* ADC3 활성화*/
ADC_Cmd(ADC3, ENABLE);
/* ADC Interrupt Configuation */
ADC_ITConfig(ADC3, ADC_IT_JEOC, ENABLE);
/* ADC3 IRQ 초기화 */
NVIC_InitStructure.NVIC_IRQChannel = ADC3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void ict_Init(void)
{
led_Init();
led_flash(LED_GREEN);
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
DAC_InitTypeDef DAC_InitStructure;
RCC_ADCCLKConfig(RCC_PCLK2_Div8); /*72Mhz/8 = 9Mhz*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE| RCC_APB2Periph_GPIOD|
RCC_APB2Periph_GPIOC| RCC_APB2Periph_GPIOA, ENABLE);
// IO config
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12|GPIO_Pin_13;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_4|
GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
// DAC config
DAC_StructInit(&DAC_InitStructure);
DAC_Init(DAC_Channel_1, &DAC_InitStructure);
DAC_Cmd(DAC_Channel_1, ENABLE);
DAC_StructInit(&DAC_InitStructure);
DAC_Init(DAC_Channel_2, &DAC_InitStructure);
DAC_Cmd(DAC_Channel_2, ENABLE);
/* ADC1 config, Power Ouput Voltage sampling,
V1 = ADC1_CH2 = PA2 = ADC123_IN2
V2 = ADC2_CH7 = PA7 = ADC12_IN7
*/
ADC_DeInit(ADC1);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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 = 0;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_InjectedSequencerLengthConfig(ADC1, 4);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_55Cycles5); //9Mhz/(71.5 + 12.5) = 107.1Khz
ADC_InjectedChannelConfig(ADC1, ADC_Channel_7, 2, ADC_SampleTime_55Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_Channel_1, 3, ADC_SampleTime_55Cycles5); //I0
ADC_InjectedChannelConfig(ADC1, ADC_Channel_6, 4, ADC_SampleTime_55Cycles5); //I1
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartInjectedConvCmd(ADC1, ENABLE);
/* ADC2 config, current sampling & over current protection
* I1 = ADC1_CH1 = PA1 = ADC123_IN1
*/
ADC_DeInit(ADC2);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_Init(ADC2, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC2, ADC_Channel_1, 1, ADC_SampleTime_71Cycles5); //9Mhz/(71.5 + 12.5) = 107.1Khz
ADC_Cmd(ADC2, ENABLE);
ADC_ResetCalibration(ADC2);
while (ADC_GetResetCalibrationStatus(ADC2));
ADC_StartCalibration(ADC2);
while (ADC_GetCalibrationStatus(ADC2));
ADC_AnalogWatchdogThresholdsConfig(ADC2, mA2d(100), 0x000);
ADC_AnalogWatchdogSingleChannelConfig(ADC2, ADC_Channel_1);
ADC_AnalogWatchdogCmd(ADC2, ADC_AnalogWatchdog_SingleRegEnable);
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//START
ADC_ITConfig(ADC2, ADC_IT_AWD, ENABLE);
ADC_SoftwareStartConvCmd(ADC2, ENABLE);
/* ADC3 config, current sampling & over current protection
* I2 = ADC2_CH6 = PA6 = ADC12_IN6
*/
ADC_DeInit(ADC3);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_Init(ADC3, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC3, ADC_Channel_6, 1, ADC_SampleTime_71Cycles5); //9Mhz/(71.5 + 12.5) = 107.1Khz
ADC_Cmd(ADC3, ENABLE);
ADC_ResetCalibration(ADC3);
while (ADC_GetResetCalibrationStatus(ADC3));
ADC_StartCalibration(ADC3);
while (ADC_GetCalibrationStatus(ADC3));
ADC_SoftwareStartConvCmd(ADC3, ENABLE);
ADC_AnalogWatchdogThresholdsConfig(ADC3, mA2d(100),0x000);
ADC_AnalogWatchdogSingleChannelConfig(ADC3, ADC_Channel_6);
ADC_AnalogWatchdogCmd(ADC3, ADC_AnalogWatchdog_SingleRegEnable);
NVIC_InitStructure.NVIC_IRQChannel = ADC3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//START
ADC_ITConfig(ADC3, ADC_IT_AWD, ENABLE);
ADC_SoftwareStartConvCmd(ADC3, ENABLE);
// TIM config
TIM_TimeBaseStructure.TIM_Period = 100 - 1; //Fclk = 10KHz /100 = 100Hz
TIM_TimeBaseStructure.TIM_Prescaler = 7200 - 1; //prediv to 72MHz to 10KHz
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
TIM_ClearFlag(TIM2, TIM_FLAG_Update);
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
TIM_Cmd(TIM2, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
GPIO_ResetBits(GPIOD, GPIO_Pin_12);
GPIO_ResetBits(GPIOD, GPIO_Pin_13);
mbi5025_Init(&ict_mbi5025);
mbi5025_EnableOE(&ict_mbi5025);
}
/**
* @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)
{
}
}
/**
* Initialize the ADC peripherals and internal state of the driver
*/
void adc_init(void)
{
NVIC_InitTypeDef nvic;
GPIO_InitTypeDef gpio;
ADC_InitTypeDef adc;
/* enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |
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, 3 as analog input
* Ch 3 -> Battery Voltage
* Ch 4 -> Current
* Ch 5 -> Temperature
*/
gpio.GPIO_Pin =
GPIO_Pin_3 |
GPIO_Pin_4 |
GPIO_Pin_5;
gpio.GPIO_Mode = GPIO_Mode_AIN;
gpio.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &gpio);
adc_data.battery_voltage = 0;
adc_data.current = 0;
adc_data.temp = 0;
/* Configure ADC1 */
adc.ADC_Mode = ADC_Mode_Independent;
adc.ADC_ScanConvMode = ENABLE;
adc.ADC_ContinuousConvMode = ENABLE;
adc.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
adc.ADC_DataAlign = ADC_DataAlign_Right;
adc.ADC_NbrOfChannel = 0;
ADC_Init(ADC1, &adc);
ADC_InjectedSequencerLengthConfig(ADC1, 3);
ADC_InjectedChannelConfig(ADC1, ADC_CHANNEL_BATTERY_VOLTAGE, 1,
ADC_SampleTime_239Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_CHANNEL_CURRENT, 2,
ADC_SampleTime_239Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_CHANNEL_TEMP, 3,
ADC_SampleTime_239Cycles5);
/* ADC1 injected external trigger configuration */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
/* 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) == SET) ;
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while (ADC_GetCalibrationStatus(ADC1) == SET) ;
/* Start ADC1 Software Conversion */
ADC_SoftwareStartInjectedConvCmd(ADC1, ENABLE);
/* Register adc as a timed callback */
sys_tick_timer_register(adc_conv_trigger, 1000);
}
void ADC_Configuration(void)
{
ADC1_Convertion_buff=malloc(ADC_BUFF_SIZE); //64 samples * 2 for interleaving, * 2bytes/sample==256
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
/* PCLK2 is the APB2 clock */
/* ADCCLK = PCLK2/6 = 72/6 = 12MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* Enable ADC1,2 clock so that we can talk to them */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
/*Enable the DMA1 clk*/
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* Put everything back to power-on defaults */
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
/* ADC2 Configuration ------------------------------------------------------*/
/* ADC1 and ADC2 operate independently */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
/* Enable the scan conversion so we do three at a time */
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
/* Don't do contimuous conversions - do them on demand */
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
/* Start conversin by software, not an external trigger */
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
/* Conversions are 12 bit - put them in the lower 12 bits of the result */
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
/* Say how many channels would be used by the sequencer */
ADC_InitStructure.ADC_NbrOfChannel = 1;
/* Now do the setup */
ADC_Init(ADC2, &ADC_InitStructure);
/* ADC2 injected channel configuration */
#if BOARD<3
ADC_InjectedSequencerLengthConfig(ADC2, 2);//two conversions
#else
ADC_InjectedSequencerLengthConfig(ADC2, 3);//three conversions on the version 3 pcb - thermistor on the sensor
#endif
ADC_InjectedChannelConfig(ADC2, PRESSURE_ADC_CHAN, 1, ADC_SampleTime_239Cycles5);
//ADC_InjectedChannelConfig(ADC2, 16, 3, ADC_SampleTime_239Cycles5);//on die temperature sensor - only on adc1 :-(
ADC_InjectedChannelConfig(ADC2, BATTERY_ADC_CHAN, 2, ADC_SampleTime_239Cycles5);
#if BOARD>=3
ADC_InjectedChannelConfig(ADC2, THERMISTOR_ADC_CHAN, 3, ADC_SampleTime_239Cycles5);
#endif
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);//set sw injected channels
/* Set the analogue watchdog on the battery voltage conversion*/
ADC_AnalogWatchdogCmd(ADC2,ADC_AnalogWatchdog_SingleInjecEnable);
ADC_AnalogWatchdogThresholdsConfig(ADC2,0x0FFF,(uint16_t)((float)SAMPLING_FACTOR*MINIMUM_VOLTAGE));//watchdog fires on low voltage
ADC_AnalogWatchdogSingleChannelConfig(ADC2, BATTERY_ADC_CHAN);//set the watchdog to the battery voltage channel
ADC_ITConfig(ADC2, ADC_IT_AWD, ENABLE);//enable the analogue watchdog interrupt
/* Enable the die temperature sensing and vref internal inputs to adc1*/
//ADC_TempSensorVrefintCmd(ENABLE);
/* 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));
readADC2(BATTERY_ADC_CHAN);//Have to flush this for some reason
/* ADC2 is now set up - move the ADC1 using DMA*/
/* DMA1 channel1(ADC1) configuration -------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC1_Convertion_buff;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADC_BUFF_SIZE/2;//2bytes/sample
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);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);//interrupt on complete and half complete
DMA_ClearFlag(DMA1_FLAG_TC1|DMA1_FLAG_HT1); //make sure flags are clear
/* 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 = 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 channel configuration */
ADC_RegularChannelConfig(ADC1, CRT_PPG_ADC_CHAN, 1, ADC_SampleTime_1Cycles5);/*239Cycles5);*/
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Calibrate the ADC1*/
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
/* Enable the NVIC interrupt */
DMA_ISR_Config();
}
/*
Usage:
adc_init_single(ADC1, 1, 1, 0, 0);
... would enable ADC1, enabling channels 1 and 2,
but not 3 and 4.
*/
static inline void adc_init_single(ADC_TypeDef * adc_t,
uint8_t chan1, uint8_t chan2,
uint8_t chan3, uint8_t chan4)
{
GPIO_InitTypeDef gpio;
ADC_InitTypeDef adc;
uint8_t num_channels, rank;
// Paranoia, must be down for 2+ ADC clock cycles before calibration
ADC_Cmd(adc_t, DISABLE);
/* enable adc_t clock */
if (adc_t == ADC1) {
#ifdef USE_AD1
num_channels = NB_ADC1_CHANNELS;
ADC1_GPIO_INIT(gpio);
#endif
}
else if (adc_t == ADC2) {
#ifdef USE_AD2
num_channels = NB_ADC2_CHANNELS;
ADC2_GPIO_INIT(gpio);
#endif
}
/* Configure ADC */
adc.ADC_Mode = ADC_Mode_Independent;
adc.ADC_ScanConvMode = ENABLE;
adc.ADC_ContinuousConvMode = DISABLE;
adc.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
adc.ADC_DataAlign = ADC_DataAlign_Right;
adc.ADC_NbrOfChannel = 0; // No. of channels in regular mode
ADC_Init(adc_t, &adc);
ADC_InjectedSequencerLengthConfig(adc_t, num_channels);
rank = 1;
if (chan1) {
ADC_InjectedChannelConfig(adc_t, adc_channel_map[0], rank,
ADC_SampleTime_41Cycles5);
rank++;
}
if (chan2) {
ADC_InjectedChannelConfig(adc_t, adc_channel_map[1], rank,
ADC_SampleTime_41Cycles5);
rank++;
}
if (chan3) {
ADC_InjectedChannelConfig(adc_t, adc_channel_map[2], rank,
ADC_SampleTime_41Cycles5);
rank++;
}
if (chan4) {
ADC_InjectedChannelConfig(adc_t, adc_channel_map[3], rank,
ADC_SampleTime_41Cycles5);
}
ADC_ExternalTrigInjectedConvCmd(adc_t, ENABLE);
#if defined(USE_AD_TIM4)
ADC_ExternalTrigInjectedConvConfig(adc_t, ADC_ExternalTrigInjecConv_T4_TRGO);
#elif defined(USE_AD_TIM1)
ADC_ExternalTrigInjectedConvConfig(adc_t, ADC_ExternalTrigInjecConv_T1_TRGO);
#else
ADC_ExternalTrigInjectedConvConfig(adc_t, ADC_ExternalTrigInjecConv_T2_TRGO);
#endif
/* Enable ADC<X> JEOC interrupt */
ADC_ITConfig(adc_t, ADC_IT_JEOC, ENABLE);
/* Enable ADC<X> */
ADC_Cmd(adc_t, ENABLE);
/* Enable ADC<X> reset calibaration register */
ADC_ResetCalibration(adc_t);
/* Check the end of ADC<X> reset calibration */
while (ADC_GetResetCalibrationStatus(adc_t)) ;
/* Start ADC<X> calibaration */
ADC_StartCalibration(adc_t);
/* Check the end of ADC<X> calibration */
while (ADC_GetCalibrationStatus(adc_t)) ;
} // adc_init_single
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);
}
