Solved a problem in the ADC module.

src/adc_dma.c

@@ -99,28 +99,11 @@ void adc_init(void)
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
-  RCC_APB2PeriphClockCmd(ADC1_CH2_PORT_CLK | ADC1_CH3_PORT_CLK | ADC1_CH4_PORT_CLK | 
+  RCC_APB2PeriphClockCmd(ADC1_CH1_PORT_CLK | ADC1_CH2_PORT_CLK | ADC1_CH3_PORT_CLK | ADC1_CH4_PORT_CLK | 
                          ADC1_CH5_PORT_CLK | ADC1_CH6_PORT_CLK | ADC1_CH7_PORT_CLK | ADC1_CH8_PORT_CLK, ENABLE);
   RCC_APB2PeriphClockCmd(ADC2_CH1_PORT_CLK | ADC2_CH2_PORT_CLK | ADC2_CH3_PORT_CLK | ADC2_CH4_PORT_CLK |
                          ADC2_CH5_PORT_CLK | ADC2_CH6_PORT_CLK | ADC2_CH7_PORT_CLK | ADC2_CH8_PORT_CLK, ENABLE);
 
-  /* DMA Config */
-  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ram_data[DARWIN_MIC1_L];
-  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC_CCR_ADDRESS;
-  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
-  DMA_InitStructure.DMA_BufferSize = 30;
-  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_Byte;
-  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
-  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
-  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
-  DMA_Init(ADC_DMA_CHANNEL,&DMA_InitStructure);
-
-  /* DMA2_Stream0 enable */
-  DMA_Cmd(ADC_DMA_CHANNEL, ENABLE);
-
   /* configure GPIO */
   GPIO_InitStructure.GPIO_Pin = ADC1_CH1_PIN;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
@@ -198,8 +181,6 @@ void adc_init(void)
   ADC_RegularChannelConfig(ADC2, ADC2_CH8, 8, ADC_SampleTime_239Cycles5);
   /* Enable ADC2 external trigger conversion */
   ADC_ExternalTrigConvCmd(ADC2, ENABLE);
-  /* Enable ADC1 DMA */
-  ADC_DMACmd(ADC2, ENABLE);
 
   /* Enable ADC1 */
   ADC_Cmd(ADC1, ENABLE);
@@ -223,6 +204,23 @@ void adc_init(void)
   /* Check the end of ADC2 calibration */
   while(ADC_GetCalibrationStatus(ADC2));
 
+  /* DMA Config */
+  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ram_data[DARWIN_MIC1_L];
+  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC_CCR_ADDRESS;
+  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
+  DMA_InitStructure.DMA_BufferSize = 8;
+  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
+  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
+  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
+  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
+  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+  DMA_Init(ADC_DMA_CHANNEL,&DMA_InitStructure);
+
+  /* DMA2_Stream0 enable */
+  DMA_Cmd(ADC_DMA_CHANNEL, ENABLE);
+
   /* Start ADC1 Software Conversion */ 
   ADC_SoftwareStartConvCmd(ADC1, ENABLE);
 }

src/cm730_fw.c

@@ -50,7 +50,7 @@ int main(void)
   // initialize imu
 //  imu_init();
   // initialize adc
-  //adc_init();
+  adc_init();
   gpio_blink_led(LED_5_R,1000);
   comm_init();