void adcInit(void)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
// ADC assumes all the GPIO was already placed in 'AIN' mode
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&adcData;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADC_CHANNELS;
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);
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 = ADC_CHANNELS;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_28Cycles5); // GY_X
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_28Cycles5); // GY_Y
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_28Cycles5); // GY_Z
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 4, ADC_SampleTime_28Cycles5); // ACC_X
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 5, ADC_SampleTime_28Cycles5); // ACC_Y
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 6, ADC_SampleTime_28Cycles5); // ACC_Z
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 7, ADC_SampleTime_28Cycles5); // POT_ELE
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 8, ADC_SampleTime_28Cycles5); // POT_AIL
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 9, ADC_SampleTime_28Cycles5); // POT_RUD
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
// Calibrate ADC
adcCalibrateADC(ADC1, 2);
// Fire off ADC
ADC_SoftwareStartConvCmd(ADC1, 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 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);
}
