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ig DM ma DMA gd32f103zet6 ADC2

GD32F103ZET6内部ADC2有没有

l4598296342024-06-25
使用官方的库函数,ADC2根本无法初始化dma_parameter_struct dma_data_parameter;
         
         rcu_periph_clock_enable(RCU_GPIOF);
         rcu_periph_clock_enable(RCU_ADC2);
         rcu_periph_clock_enable(RCU_DMA1);

         /*配置PF*/       
         gpio_init(GPIOF, GPIO_MODE_AIN, GPIO_OSPEED_50MHZ, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10);

         /* ADC DMA_channel configuration */
   dma_deinit(DMA1, DMA_CH4);
       
   /* initialize DMA single data mode */
   dma_data_parameter.periph_addr  = (uint32_t)(&ADC_RDATA(ADC2));
   dma_data_parameter.periph_inc   = DMA_PERIPH_INCREASE_DISABLE;
   dma_data_parameter.memory_addr  = (uint32_t)(&ADC2_ConvertedValue);
   dma_data_parameter.memory_inc   = DMA_MEMORY_INCREASE_ENABLE;
   dma_data_parameter.periph_width = DMA_PERIPHERAL_WIDTH_16BIT;
   dma_data_parameter.memory_width = DMA_MEMORY_WIDTH_16BIT;
   dma_data_parameter.direction    = DMA_PERIPHERAL_TO_MEMORY;
   dma_data_parameter.number       = M1*N1;
   dma_data_parameter.priority     = DMA_PRIORITY_HIGH;
   dma_init(DMA1, DMA_CH4, &dma_data_parameter);
   dma_circulation_enable(DMA1, DMA_CH4);

   /* enable DMA channel */
   dma_channel_enable(DMA1, DMA_CH4);

   /*ADC配置*/
         adc_deinit(ADC2);

         /* ADC mode config */
   adc_mode_config(ADC_MODE_FREE);
   /* ADC contineous function enable */
   adc_special_function_config(ADC2, ADC_CONTINUOUS_MODE, ENABLE);
   /* ADC scan mode disable */
   adc_special_function_config(ADC2, ADC_SCAN_MODE, ENABLE);
   /* ADC data alignment config */
   adc_data_alignment_config(ADC2, ADC_DATAALIGN_RIGHT);
   /* ADC channel length config */
   adc_channel_length_config(ADC2, ADC_REGULAR_CHANNEL, M1);
         
   /*ADC0规则通道配置*/
         adc_regular_channel_config(ADC2, 0, ADC_CHANNEL_7, ADC_SAMPLETIME_239POINT5);
   adc_regular_channel_config(ADC2, 1, ADC_CHANNEL_8, ADC_SAMPLETIME_239POINT5);
         adc_regular_channel_config(ADC2, 2, ADC_CHANNEL_6, ADC_SAMPLETIME_239POINT5);
         adc_regular_channel_config(ADC2, 3, ADC_CHANNEL_5, ADC_SAMPLETIME_239POINT5);
         
         /* ADC trigger config */
   adc_external_trigger_source_config(ADC2, ADC_REGULAR_CHANNEL, ADC0_1_2_EXTTRIG_REGULAR_NONE);
   adc_external_trigger_config(ADC2, ADC_REGULAR_CHANNEL, ENABLE);
         
   /* enable ADC interface */
   adc_enable(ADC2);
   delay_ms(1);
   /* ADC calibration and reset calibration */
   adc_calibration_enable(ADC2);

   /* ADC DMA function enable */
   adc_dma_mode_enable(ADC2);
         
   /* ADC software trigger enable */
   adc_software_trigger_enable(ADC2, ADC_REGULAR_CHANNEL);

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