/**
* @brief ADC初始化
* @param none
* @retval none
* @note 初始化PA.00为ADC1_CH0，单次转换，软件触发ADC转换
*/
void ADC_Initialize(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* 使能GPIOA，ADC1,AFIO时钟 */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_ADC1, ENABLE);
/* 设置ADCCLK分频因子 ADCCLK = PCLK2/6，即 72MHz/6 = 12MHz */
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* 配置 PA.00 (ADC1_IN0) 作为模拟输入引脚 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1); //将ADC1设为缺省值
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立模式
ADC_InitStructure.ADC_ScanConvMode = DISABLE; //单通道模式
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; //单次转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //软件触发ADC转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //ADC数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 1; //规则转换通道数目
ADC_Init(ADC1, &ADC_InitStructure); //根据ADC_InitStruct初始化ADC
ADC_Cmd(ADC1, ENABLE); //使能ADC1
ADC_ResetCalibration(ADC1); //复位ADC校准寄存器
while(ADC_GetResetCalibrationStatus(ADC1)); //等待复位校准结束
ADC_StartCalibration(ADC1); //开启AD校准
while(ADC_GetCalibrationStatus(ADC1)); //等待校准结束
}
/* 函数名：ADC1_Mode_Config*/
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; //ADC地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue;//内存地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 4;//开辟4个储存空间
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;//外设地址固定
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //内存地址递增使能
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //半字 16位
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环传输
DMA_InitStructure.DMA_Priority = DMA_Priority_High;//高优先级
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ADC模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE ; //禁止扫描模式，扫描模式用于多通道采集
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //开启连续转换模式，即不停地进行ADC转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //不使用外部触发转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //采集数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 4; //要转换的通道数目1
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC时钟，为PCLK2的8分频，即9Hz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/*ADCx,通道编号，扫描顺序，采样周期 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_1Cycles5);//电池电压
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 2, ADC_SampleTime_1Cycles5);//转把
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 3, ADC_SampleTime_1Cycles5);//左电机电流
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 4, ADC_SampleTime_1Cycles5);//右电机电流
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/*等待校准寄存器复位完成 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADC校准 */
ADC_StartCalibration(ADC1);
/* 等待校准完成*/
while(ADC_GetCalibrationStatus(ADC1));
/* 由于没有采用外部触发，所以使用软件触发ADC转换 */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void adc_init() {
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 , ENABLE);
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);
ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_239Cycles5);
ADC_TempSensorVrefintCmd(ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
static void __ADC_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
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 = (USE_ADC_PB0 + USE_ADC_PB1 + USE_ADC_PA4 + USE_ADC_PC0); //Change
ADC_Init(ADC1, &ADC_InitStructure);
#if (USE_ADC_PB0 == 1)
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5);
#endif
#if (USE_ADC_PB1 == 1)
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 2, ADC_SampleTime_55Cycles5);
#endif
#if (USE_ADC_PA4 == 1)
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 3, ADC_SampleTime_55Cycles5);
#endif
#if (USE_ADC_PC0 == 1)
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 4, ADC_SampleTime_55Cycles5);
#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);
}
/**
* @brief Initializes the ADC used by the Accelerometer.
* @retval None
*/
void Accel_ADC_Configuration() {
ADC_InitTypeDef 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 = 3;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel 10, 11, 12 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_55Cycles5);
/* 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);
}
void fft_ADC_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_ADC1,ENABLE);
// RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/*
Function £º
Initialize ADC function
Parameters£º
Return values£º
*/
static my_random_ADC_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
//The following are ADC1's registers settings
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;//AD module will select as independent mode
ADC_InitStructure.ADC_ScanConvMode = ENABLE;//auto scan mode has been enable
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//Continuous convertion mode is enable
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//Not external trigger interrupt function
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//data align to right
ADC_InitStructure.ADC_NbrOfChannel = 1;//initialize ADC channel into 1
ADC_Init(ADC1, &ADC_InitStructure);//Build ADC1 settings
//PA0 & ADC1 related channel is 0
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);
//USE ADC1
ADC_Cmd(ADC1, ENABLE);
//Reset ADC1's regiters
ADC_ResetCalibration(ADC1);
//Wait until the reset has been done
while(ADC_GetResetCalibrationStatus(ADC1));
//Start the calibration for ADC1
ADC_StartCalibration(ADC1);
//Wait until ADC1 calibration has been done
while(ADC_GetCalibrationStatus(ADC1));
//Convert to use ADC1
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void InitADC(void) {
ADC_InitTypeDef adc;
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
adc.ADC_Mode = ADC_Mode_Independent;
adc.ADC_NbrOfChannel = 1;
adc.ADC_ScanConvMode = DISABLE;
adc.ADC_DataAlign = ADC_DataAlign_Right;
adc.ADC_ContinuousConvMode = ENABLE;
adc.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_Init(AN_ADCx, &adc);
ADC_RegularChannelConfig(AN_ADCx, AN_CHx, 1, ADC_SampleTime_7Cycles5);
ADC_Cmd(AN_ADCx, ENABLE);
ADC_ResetCalibration(AN_ADCx);
while (ADC_GetResetCalibrationStatus(AN_ADCx)) {};
ADC_StartCalibration(AN_ADCx);
while (ADC_GetCalibrationStatus(AN_ADCx));
ADC_SoftwareStartConvCmd(AN_ADCx,ENABLE);
}
// --------------------------------------------------------------------------
void adcInit(const UINT8 ui8_reference, const UINT8 ui8_prescaler)
{
ADC_InitTypeDef adc;
// suppress compiler complaints
(void)ui8_reference;
// configure ADC clock (must not exceed 14MHz)
RCC_ADCCLKConfig(prescaler_reg[ui8_prescaler]);
RCC_APB2PeriphClockCmd(ADC_RCC, ENABLE);
// reset current settings
ADC_DeInit(ADC_PERIPH);
ADC_StructInit(&adc);
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 = 1;
ADC_Init(ADC_PERIPH, &adc);
ADC_Cmd(ADC_PERIPH, ENABLE);
// perform calibration, not needed but it don't hurt
ADC_ResetCalibration(ADC_PERIPH);
WAIT_FOR(ADC_GetResetCalibrationStatus(ADC_PERIPH));
ADC_StartCalibration(ADC_PERIPH);
WAIT_FOR(ADC_GetCalibrationStatus(ADC_PERIPH));
}
/*******************************************************************************
* Function Name : USART1_IRQHandler
* Description : This function handles USART1 global interrupt request.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void USART1_IRQHandler(void)
{
USART_ClearITPendingBit(USART1, USART_IT_RXNE);
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
{
Rx_Buffer[data]=USART_ReceiveData(USART1);
Usart_Putnum(Rx_Buffer[data]);
if(Rx_Buffer[data]==1){
/* 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);
}
else if(Rx_Buffer[data]==2)
ADC_Cmd(ADC1, DISABLE);
else if(Rx_Buffer[data]==3)
Usart_Putnum(TIM_GetCounter(TIM4));
}
//{
//Rx_Buffer[data]=data;
//data++;
//USART_ClearITPendingBit(USART1, USART_IT_RXNE);
/*Rx_Buffer[data]=USART_ReceiveData(USART1);
Usart_Putnum(Rx_Buffer[data]);
data++;*/
/*
if(Rx_Buffer[data]==1)
Usart_Putnum(10);
else if(Rx_Buffer[data]==2)
Usart_Putnum(20);
*/
}
void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
RCC_ADCCLKConfig(RCC_PCLK2_Div6); // PCLK2 is the APB2 clock, ADCCLK = PCLK2/6 = 60/6 = 10MHz
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); // Enable ADC1 clock so that we can talk to it
ADC_DeInit(ADC1); // Put everything back to power-on defaults
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; // ADC2 not depenedent on ADC1
ADC_InitStructure.ADC_ScanConvMode = DISABLE; // Disable the scan conversion so we do one at a time
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; // Don't do contimuous conversions - do them on demand
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; // Start conversin by software, not an external trigger
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; // Conversions are 12 bit - put them in the lower 12 bits of the result
ADC_InitStructure.ADC_NbrOfChannel = 1; // How many channels would be used by the sequencer
ADC_Init(ADC1, &ADC_InitStructure);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1); // Enable ADC1 reset calibaration register
while(ADC_GetResetCalibrationStatus(ADC1)); // Check the end of ADC1 reset calibration register
ADC_StartCalibration(ADC1); // Start ADC1 calibaration
while(ADC_GetCalibrationStatus(ADC1)); // Check the end of ADC1 calibration
ADC_TempSensorVrefintCmd(ENABLE); // enable Vrefint and Temperature sensor
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; // Pin #0
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; // as analog input
GPIO_Init(GPIOB, &GPIO_InitStructure); // for Port B
}
void sensor_init(void)
{
// 0. Run clocks
RCC_AHBPeriphClockCmd(SENSORS_DMA_RCC, ENABLE);
RCC_APB2PeriphClockCmd(SENSORS_ADC_RCC, ENABLE);
// 1. Init ADC
ADC_Init(SENSORS_ADC, &_adc);
// 2. Init DMA for writing measures directly to array
DMA_Init(SENSORS_DMA, &_dma); // SENSORS_ADC is on DMA1 channel 1
// 3. Setup SENSORS_ADC to send DMA requests
ADC_DMACmd(SENSORS_ADC, ENABLE);
// 4. Enable DMA
DMA_Cmd(SENSORS_DMA, ENABLE);
// 5. Enable ADC
ADC_Cmd(SENSORS_ADC, ENABLE);
// 6. Calibrate ADC
ADC_ResetCalibration(SENSORS_ADC);
while(ADC_GetResetCalibrationStatus(SENSORS_ADC));;;
ADC_StartCalibration(SENSORS_ADC);
while(ADC_GetCalibrationStatus(SENSORS_ADC));;;
}
void TEMP_Init() //单次,单通道
{
ADC_InitTypeDef ADC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_ADC1,ENABLE);
RCC_ADCCLKConfig(RCC_PCLK2_Div6); //ADC时钟 = 72M/6 = 12M;
//ADC_初始化
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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);
ADC_TempSensorVrefintCmd(ENABLE); //使能内部温度传感器(或参考电压)//======
ADC_Cmd(ADC1,ENABLE);
//校准
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
}
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);
}
/* 函数名：ADC1_Mode_Config
* 描述 ：配置ADC1的工作模式为MDA模式
*
* 使用 DMA1 的通道 1，数据从 ADC 外设的数据寄存器(ADC1_DR_Address)
* 转移到内存(ADC_ConvertedValue 变量)，内存、外设地址都固定，每次传输的
* 数据大小为半字(16 位)，使用 DMA 循环传输模式。
*
* 输入 : 无
* 输出 ：无
* 调用 ：内部调用
*/
static void ADC1_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1);
/* ADC_DR 数据寄存器保存了 ADC 转换后的数值，以它作为 DMA 的传输源地址 */
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //ADC1_DR规则寄存器的地址，查RM0008 STM32F10x参考手册
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue;//ADC_ConvertedValue的内存地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;//外设地址固定
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; //内存地址固定
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //半字
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环传输
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ADC模式
ADC_InitStructure.ADC_ScanConvMode = DISABLE ; //禁止扫描模式，扫描模式用于多通道采集
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //开启连续转换模式，即不停地进行ADC转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //不使用外部触发转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //采集数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 1; //要转换的通道数目1
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC时钟，为PCLK2的8分频，即9Hz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/*配置ADC1的通道7为55. 5个采样周期，序列为1 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 1, ADC_SampleTime_55Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/*等待校准寄存器复位完成 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADC校准 */
ADC_StartCalibration(ADC1);
/* 等待校准完成*/
while(ADC_GetCalibrationStatus(ADC1));
/* 由于没有采用外部触发，所以使用软件触发ADC转换 */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
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; //ADC地址
DMA_InitStructure.DMA_PeripheralBaseAddr=(u32)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; //貌似要把地址符号去掉
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 40; //缓冲区的大小也要修改
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //外设地址固定
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //内存地址固定这个要修改！
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //半字
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环传输
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ADC模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE ; //修改：开启扫描模式，用于多通道扫描
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //开启连续转换模式，即不停地进行ADC转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //不使用外部触发转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //采集数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 4; //要转换的通道数目4
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC时钟，为PCLK2的8分频，即9MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/*配置ADC1的通道1为55. 5个采样周期，序列为1 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 2, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 3, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 4, ADC_SampleTime_55Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/*等待校准寄存器复位完成 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADC校准 */
ADC_StartCalibration(ADC1);
/* 等待校准完成*/
while(ADC_GetCalibrationStatus(ADC1));
/* 由于没有采用外部触发，所以使用软件触发ADC转换 */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void adc_init (void)
{
/* ADCCLK = PCLK2/8 */
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/* Enable DMA1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_InitTypeDef DMA_InitStructure;
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) &(ADC1->DR);
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t) &adc_value;
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_HalfWord;
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);
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 = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel0 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);
/* 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));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
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);
}
/*****************************************************************************
** 函数名称: HexToASCII
** 功能描述: 将数值转化成字符
0x30 代表字符0 比如1234 转化为 ”1234“
** 作 者: Dream
** 日 期: 2010年12月06日
*****************************************************************************/
void Temp_Init()
{
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // 使能 MDA 重要！！！
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);// 使能 ADC1 重要！！！
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADCConvertedValue;
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_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 channel 1 */
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_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel 14 configuration */
/* 内部温度传感器 Channel 16 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_55Cycles5);
/* Enable the temperature sensor and vref internal channel */
ADC_TempSensorVrefintCmd(ENABLE); //内部温度传感器 添加这一句
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */ //使用之前一定要校准
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);
}
/*配置ADC1的工作模式为MDA模式 */
void ADC1_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); //使能DMA1时钟
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1); //指定DMA通道
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;//设置DMA外设地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; //设置DMA内存地址，ADC转换结果直接放入该地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //外设为设置为数据传输的来源
DMA_InitStructure.DMA_BufferSize = 1; //DMA缓冲区设置为1；
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
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 DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE); //使能DMA通道
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); //使能ADC1时钟
/* ADC1 configuration */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //使用独立模式，扫描模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //无需外接触发器
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //使用数据右对齐
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1; // 只有1个转换通道
ADC_Init(ADC1, &ADC_InitStructure);
RCC_ADCCLKConfig(RCC_PCLK2_Div6); //72M/6=12,ADC最大时间不能超过14M
/* ADC1 regular channel11 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5); //通道1采样周期55.5个时钟周期
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE); //使能ADC的DMA
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE); //使能ADC1
/* 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); //开始转换
}
/*******************************************************************************
* Description : ADC_setup
* Syntax :
* Parameters I:
* Parameters O:
* return :
*******************************************************************************/
void ADC1_setup(void)
{
/* Check the parameters */
// ASSERT ();
/* Resets ADC1 */
ADC_DeInit(ADC1);
/* 41 pin(PC1) 配置为模拟输入,输入时不用设置速率 */
pinMode(A41, INPUT_ANALOG);
ADC_InitTypeDef ADC_InitStructure;
/*** ADC1 configuration ***/
/* Enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* 独立 ADC 模式 */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
/* 禁止扫描模式，扫描模式用于多通道采集 */
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
/* 开启连续转换模式，即不停地进行 ADC 转换 */
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
/* 不使用外部触发转换 */
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
/* 采集数据右对齐 0000 D11 - D0 */
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
/* 要转换的通道数目 1*/
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/*配置 ADC 时钟，为 PCLK2 的 8 分频，即 9Hz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/*配置 ADC1 的通道 11 为 55.5 个采样周期 */
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 1, ADC_SampleTime_55Cycles5);
//...
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/*等待校准寄存器复位完成 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADC 校准 */
ADC_StartCalibration(ADC1);
/* 等待校准完成*/
while(ADC_GetCalibrationStatus(ADC1));
/* 使用软件触发 ADC 转换 */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();
/* NVIC configuration ------------------------------------------------------*/
NVIC_Configuration();
/* GPIO configuration ------------------------------------------------------*/
GPIO_Configuration();
/* Configure LED GPIO Pin ------------------------------------------------- */
STM_EVAL_LEDInit(LED1);
/* 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 channel14 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_13Cycles5);
/* Configure high and low analog watchdog thresholds */
ADC_AnalogWatchdogThresholdsConfig(ADC1, 0x0B00, 0x0300);
/* Configure channel14 as the single analog watchdog guarded channel */
ADC_AnalogWatchdogSingleChannelConfig(ADC1, ADC_Channel_14);
/* Enable analog watchdog on one regular channel */
ADC_AnalogWatchdogCmd(ADC1, ADC_AnalogWatchdog_SingleRegEnable);
/* Enable AWD interupt */
ADC_ITConfig(ADC1, ADC_IT_AWD, 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);
while (1)
{
}
}
/*****************************************************************************
** 函数名称: adc_Init
** 功能描述: ADC初始化
** 作 者: Dream
** 日 期: 2010年12月06日
*****************************************************************************/
void adc_Init()
{
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // 使能 MDA 重要！！！
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);// 使能 ADC1 重要！！！
/*DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1); //将DMA的通道1寄存器重设为缺省值
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //定义DMA外设基地址为ADC1
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADCConvertedValue; //定义DMA内存基地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //外设作为数据传输的来源
DMA_InitStructure.DMA_BufferSize = 1; //定义指定DMA通道的DMA缓存的大小
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //外设地址寄存器不变
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; //内存地址寄存器不变
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //数据宽度为16位
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; //数据宽度为16位
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //工作在循环缓存模式
DMA_InitStructure.DMA_Priority = DMA_Priority_High; //DMA通道1拥有高优先级
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //DMA通道1没有设置为内存到内存传输
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立工作模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //扫描模式
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //连续转换模式
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //软件控制转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //右对齐
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel_8,configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5); //转换时间为17.1US
/* 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);
}
static void ADC_Enable(ADC_TypeDef* ADCx)
{
ADC_Cmd(ADCx, ENABLE);
/* do calibration */
ADC_ResetCalibration(ADCx);
while(ADC_GetResetCalibrationStatus(ADCx));
ADC_StartCalibration(ADCx);
while(ADC_GetCalibrationStatus(ADCx));
}
void ADC1_MODE_Config(void)
{
DMA_InitTypeDef DMA_InitStructure; //定义一个DMA结构体变量
ADC_InitTypeDef ADC_InitStructure; //定义一个ADC结构体变量
DMA_DeInit(DMA1_Channel1); //开启DMA1的第一通道
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr=(uint32_t)&ADC_ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //DMA的转换模式为SRC模式，由外设搬移到内存
DMA_InitStructure.DMA_BufferSize = 1; //DMA缓存大小，1个
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //接收一次数据后，设备地址禁止后移
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; //关闭接收一次数据后，目标内存地址后移
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //定义外设数据宽度为16位
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; //DMA搬移数据尺寸，HalfWord就是为16位
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //转换模式，循环缓存模式。
DMA_InitStructure.DMA_Priority = DMA_Priority_High; //DMA优先级高
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //M2M模式禁用
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
ADC_TempSensorVrefintCmd(ENABLE);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立的转换模式
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_16, 1, ADC_SampleTime_239Cycles5);
/* 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);
}
/*=====================================================================================================*/
void ADC_Config( void )
{
DMA_InitTypeDef DMA_InitStruct;
ADC_InitTypeDef ADC_InitStruct;
GPIO_InitTypeDef GPIO_InitStruct;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);
/* ADC_1 PA4 */ /* ADC_2 PA5 */ /* ADC_3 PA6 */ /* ADC_4 PA7 */
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStruct);
/* ADC DMA Init *************************************************************/
DMA_DeInit(DMA1_Channel1);
DMA_InitStruct.DMA_PeripheralBaseAddr = ADC1_DR_ADDRESS; // Peripheral address
DMA_InitStruct.DMA_MemoryBaseAddr = (u32)&ADC_DMA_Buf; // DMA內存地址
DMA_InitStruct.DMA_DIR = DMA_DIR_PeripheralSRC; // 內存作為數據傳輸的目的地
DMA_InitStruct.DMA_BufferSize = ADC_Sample*ADC_Channel; // DMA通道的DMA緩存的大小
DMA_InitStruct.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 外設地址寄存器不變
DMA_InitStruct.DMA_MemoryInc = DMA_MemoryInc_Enable; // 內存地址寄存器遞增
DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 數據寬度為16位
DMA_InitStruct.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 數據寬度為16位
DMA_InitStruct.DMA_Mode = DMA_Mode_Circular; // 循環模式開啟，Buffer寫滿後，自動回到初始地址開始傳輸
DMA_InitStruct.DMA_Priority = DMA_Priority_High; // DMA通道x擁有高優先級
DMA_InitStruct.DMA_M2M = DMA_M2M_Disable; // DMA通道x沒有設置為內存到內存傳輸
DMA_Init(DMA1_Channel1, &DMA_InitStruct);
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC Init *****************************************************************/
ADC_InitStruct.ADC_Mode = ADC_Mode_Independent; // ADC1 和 ADC2 工作在獨立模式
ADC_InitStruct.ADC_ScanConvMode = ENABLE; // 掃描模式
ADC_InitStruct.ADC_ContinuousConvMode = ENABLE; // 連續轉換模式
ADC_InitStruct.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; // 外部觸發關閉
ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right; // ADC數據右對齊
ADC_InitStruct.ADC_NbrOfChannel = ADC_Channel; // 轉換ADC通道數目
ADC_Init(ADC1, &ADC_InitStruct);
/* ADC Regular Config *******************************************************/
// 設置指定ADC的規則組通道，設置它們的轉化順序和采樣時間
// ADC1, ADC通道x, 規則采樣順序值為y, 采樣時間為239.5週期
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 2, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 3, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 4, ADC_SampleTime_55Cycles5);
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_Prepare()
{
ADC_Cmd(ADC1, ENABLE);//使能ADC1
ADC_ResetCalibration(ADC1); //重置ADC1校准寄存器
while(ADC_GetResetCalibrationStatus(ADC1));//等待ADC1校准重置完成
ADC_StartCalibration(ADC1);//开始ADC1校准
while(ADC_GetCalibrationStatus(ADC1));//等待ADC1校准完成
ADC_SoftwareStartConvCmd(ADC1, ENABLE); //使能ADC1软件开始转换
}
void halInternalInitAdc(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
//Configure TEMP_ENABLE GPIO as push-pull output, defaulting to active/on
GPIO_WriteBit(TEMP_ENABLE_PORT, TEMP_ENABLE_PIN, Bit_SET);
GPIO_InitStructure.GPIO_Pin = TEMP_ENABLE_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(TEMP_ENABLE_PORT, &GPIO_InitStructure);
//Configure TEMP_SENSE GPIO as analog input
GPIO_InitStructure.GPIO_Pin = TEMP_SENSOR_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(TEMP_SENSOR_PORT, &GPIO_InitStructure);
//Divide down the APB2 clock (72MHz) to get an ADC clock of 12MHz (<= 14MHz)
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
//Configure ADC to be in independent, single conversion mode
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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(TEMP_SENSOR_ADC, &ADC_InitStructure);
//Configure sample times to longest (recommended for temp measure)
ADC_RegularChannelConfig(TEMP_SENSOR_ADC,
TEMP_SENSOR_ADC_CHAN,
1,
ADC_SampleTime_239Cycles5);
//Enable ADC
ADC_Cmd(TEMP_SENSOR_ADC, ENABLE);
//Reset ADC calibration registers
ADC_ResetCalibration(TEMP_SENSOR_ADC);
//Wait for cal reset to complete
while(ADC_GetResetCalibrationStatus(TEMP_SENSOR_ADC) == SET) {}
//Calibrate the ADC
ADC_StartCalibration(TEMP_SENSOR_ADC);
//Wait for cal to complete
while(ADC_GetCalibrationStatus(TEMP_SENSOR_ADC) == SET) {}
//This driver does not use interrupts; it's purely polling.
}
void ADCManager_Structure(ADCManagerTypeDef *ADCManager)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
u8 i;
defaultADCManager=ADCManager;
defaultADCManager->getData=ADCManager_getData;
defaultADCManager->startTransfer=ADCManager_startTransfer;
//defaultADCManager->ADC_Channels_num=sizeof(defaultADCManager->ADC_Channels);
RCC_APB2PeriphClockCmd(filterGPIO_RCC_ADC() | RCC_APB2Periph_ADC1 , ENABLE ); //使能ADC1通道时钟
RCC_ADCCLKConfig(RCC_PCLK2_Div6); //设置ADC分频因子6 72M/6=12,ADC最大时间不能超过14M
for(i=0;i<defaultADCManager->ADC_Channels_num;i++)
{
if(defaultADCManager->ADC_Channels[i]==ADC_Channel_16|defaultADCManager->ADC_Channels[i]==ADC_Channel_17)
continue;
GPIO_InitStructure.GPIO_Pin = filterPin_ADC(defaultADCManager->ADC_Channels[i]);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //模拟输入引脚
GPIO_Init(filterGPIO_ADC(defaultADCManager->ADC_Channels[i]), &GPIO_InitStructure);
}
ADC_DeInit(ADC1); //复位ADC1,将外设 ADC1 的全部寄存器重设为缺省值
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //ADC工作模式:ADC1和ADC2工作在独立模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //模数转换工作在单通道模式
ADC_InitStructure.ADC_ContinuousConvMode = (FunctionalState)defaultADCManager->isContinus; //模数转换工作在单次转换模式
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //转换由软件而不是外部触发启动
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //ADC数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = defaultADCManager->ADC_Channels_num; //顺序进行规则转换的ADC通道的数目
ADC_Init(ADC1, &ADC_InitStructure); //根据ADC_InitStruct中指定的参数初始化外设ADCx的寄存器
for(i=0;i<defaultADCManager->ADC_Channels_num;i++)
{
if(defaultADCManager->ADC_Channels[i]==ADC_Channel_16|defaultADCManager->ADC_Channels[i]==ADC_Channel_17)
ADC_TempSensorVrefintCmd(ENABLE);
ADC_RegularChannelConfig(ADC1, defaultADCManager->ADC_Channels[i], i+1, ADC_SampleTime_239Cycles5 ); //ADC1,ADC通道,采样时间为239.5周期
}
ADC_DMA_Config();
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE); //使能指定的ADC1
ADC_ResetCalibration(ADC1); //使能复位校准
while(ADC_GetResetCalibrationStatus(ADC1)); //等待复位校准结束
ADC_StartCalibration(ADC1); //开启AD校准
while(ADC_GetCalibrationStatus(ADC1)); //等待校准结束
}
void adc_init( void )
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
// enable DMA1 clock
RCC_AHBPeriphClockCmd( RCC_AHBPeriph_DMA1, ENABLE );
// enable ADC1 clock
RCC_APB2PeriphClockCmd( RCC_APB2Periph_ADC1, ENABLE );
GPIO_InitStructure.GPIO_Pin = (uint16)(ADC_PIN_INT_BATT |
ADC_PIN_EXT_BATT | ADC_PIN_PT100);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init( GPIOC, &GPIO_InitStructure );
adc_dma_config();
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 = 1;
// ADC_InitStructure.ADC_NbrOfChannel = ADC_IX_MAX;
ADC_Init( ADC1, &ADC_InitStructure );
/* ADC1 RegularChannelConfig */
// ADC_RegularChannelConfig( ADC1, ADC_Channel_10, 1, ADC_SampleTime_13Cycles5 );
ADC_RegularChannelConfig( ADC1, ADC_Channel_11, 1, ADC_SampleTime_13Cycles5 );
// ADC_RegularChannelConfig( ADC1, ADC_Channel_12, 3, ADC_SampleTime_13Cycles5 );
/* Enable ADC DMA interface */
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 ) );
/* Start ADC1 conversion */
ADC_SoftwareStartConvCmd( ADC1, ENABLE );
} // end of adc_init()
