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GD32 ADC DMA

ADC_F450.cpp

#include "Adc_F450.hpp"
#include "main.h"
#include <rtthread.h>

/*
STM32 所用管脚和ADC通道

PA4 --- ADC1_IN4 --- ADC24V 有
PA6 --- ADC1_IN6 --- ADCI24V 有
PC4 --- ADC1_IN14 --- ADC HALL1 有
PC5 --- ADC1_IN15 --- ADC HALL2  有
PC0 --- ADC1_IN10 --- ADC 5V   有
PC1 --- ADC1_IN11 --- ADC 3.3V 4GV 无
*/

void Adc_F450::Init()
{
	/* system clocks configuration */
 /* enable GPIOC clock */
	rcu_periph_clock_enable(RCU_GPIOA);
	rcu_periph_clock_enable(RCU_GPIOC);
	/* enable ADC clock */
	rcu_periph_clock_enable(RCU_ADC0);
	/* enable DMA clock */
	rcu_periph_clock_enable(RCU_DMA1);
	/* config ADC clock */
	adc_clock_config(ADC_ADCCK_PCLK2_DIV8);
	/* GPIO configuration */
	/* config the GPIO as analog mode */
	gpio_mode_set(GPIOA, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO_PIN_4|GPIO_PIN_6);
	gpio_mode_set(GPIOC, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5);
	/* DMA configuration */
	/* ADC_DMA_channel configuration */
    dma_single_data_parameter_struct dma_single_data_parameter;
    
    /* ADC DMA_channel configuration */
    dma_deinit(DMA1, DMA_CH0);
    
    /* initialize DMA single data mode */
    dma_single_data_parameter.periph_addr = (uint32_t)(&ADC_RDATA(ADC0));
    dma_single_data_parameter.periph_inc = DMA_PERIPH_INCREASE_DISABLE;
    dma_single_data_parameter.memory0_addr = (uint32_t)adcValueU;
    dma_single_data_parameter.memory_inc = DMA_MEMORY_INCREASE_ENABLE;
    dma_single_data_parameter.periph_memory_width = DMA_PERIPH_WIDTH_32BIT;
    dma_single_data_parameter.direction = DMA_PERIPH_TO_MEMORY;
    dma_single_data_parameter.number = 6;
    dma_single_data_parameter.priority = DMA_PRIORITY_HIGH;
    dma_single_data_mode_init(DMA1, DMA_CH0, &dma_single_data_parameter);
    dma_channel_subperipheral_select(DMA1, DMA_CH0, DMA_SUBPERI0);

    /* enable DMA circulation mode */
    dma_circulation_enable(DMA1, DMA_CH0);
  
    /* enable DMA channel */
    dma_channel_enable(DMA1, DMA_CH0);
		
	/* ADC configuration */
	/* ADC mode config */
    adc_sync_mode_config(ADC_SYNC_MODE_INDEPENDENT);
    adc_special_function_config(ADC0, ADC_CONTINUOUS_MODE, ENABLE);
    adc_special_function_config(ADC0, ADC_SCAN_MODE, ENABLE);
    adc_data_alignment_config(ADC0, ADC_DATAALIGN_RIGHT);
    
    /* ADC channel length config */
    adc_channel_length_config(ADC0, ADC_REGULAR_CHANNEL, 6);
    /* ADC regular channel config */
    adc_regular_channel_config(ADC0, 0, ADC_CHANNEL_10, ADC_SAMPLETIME_15);
    adc_regular_channel_config(ADC0, 1, ADC_CHANNEL_11, ADC_SAMPLETIME_15);
    adc_regular_channel_config(ADC0, 2, ADC_CHANNEL_4, ADC_SAMPLETIME_15);
    adc_regular_channel_config(ADC0, 3, ADC_CHANNEL_6, ADC_SAMPLETIME_15);
		adc_regular_channel_config(ADC0, 4, ADC_CHANNEL_14, ADC_SAMPLETIME_15);
		adc_regular_channel_config(ADC0, 5, ADC_CHANNEL_15, ADC_SAMPLETIME_15);
    /* ADC trigger config */
    adc_external_trigger_source_config(ADC0, ADC_REGULAR_CHANNEL, ADC_EXTTRIG_REGULAR_T0_CH0); 
    adc_external_trigger_config(ADC0, ADC_REGULAR_CHANNEL, EXTERNAL_TRIGGER_DISABLE);
    
    /* ADC DMA function enable */
    adc_dma_request_after_last_enable(ADC0);
    adc_dma_mode_enable(ADC0);
    
    /* enable ADC interface */
    adc_enable(ADC0);
    /* wait for ADC stability */
    rt_thread_mdelay(1);
    /* ADC calibration and reset calibration */
    adc_calibration_enable(ADC0);
    
    /* enable ADC software trigger */
    adc_software_trigger_enable(ADC0, ADC_REGULAR_CHANNEL);
}

void Adc_F450::SetRatio(uint8_t n, float _ratio)
{
	adcRatio[n] = _ratio;
}

void Adc_F450::PeriodRun(void)
{
	uint8_t i;
	for(i = 0; i < 6; i++)
	{
		adcValueF[i] =  adcValueU[i] * adcRatio[i];
	}
}

ADC_F450.hpp

#pragma once

#include "Bsp/bsp.hpp"
#include "LIB/LIB_MATH/M_math.hpp"

class Adc_F450:public Adc
{
    public:
    Adc_F450(){}
	 void Init(void);
	 void SetRatio(uint8_t n, float _ratio);
	 void PeriodRun();
};

ADC.hpp

#pragma once
#include <stdint.h>

class Adc
{
    public:
		Adc(){}
		
    uint32_t adcValueU[6];
		float adcValueF[6];
		float adcRatio[6];
    virtual void Init(void){}
    virtual void SetRatio(uint8_t n, float _ratio){}
    virtual void PeriodRun(){}
};

BSP_F450.cpp

#include "BSP_F450.hpp"
#include "main.h"
#include "IO_F450.hpp"



BSP_F450::BSP_F450()
{
//	mcuClock = new McuClock_F4();
	led_s = new IO_F450(GPIOD,GPIO_PIN_13);
	debugUart = new UART0_F450();
	LoRa = new UART1_F450();
	sewagePump = new PWM_T0CH0_F450();
	cleanWaterPump = new PWM_T0CH2_F450();
	cleanWaterValve = new IO_F450(GPIOC,GPIO_PIN_3);
	acRelay = new IO_F450(GPIOE,GPIO_PIN_7);
	masterSwitch = new IO_F450(GPIOC,GPIO_PIN_3);
	emergencyStopSwitch = new IO_F450(GPIOC,GPIO_PIN_3);
	PowerSwitch = new IO_F450(GPIOB,GPIO_PIN_0);
	powerControl = new IO_F450(GPIOB,GPIO_PIN_1);
	cleanWaterLevel[0] = new IO_F450(GPIOD,GPIO_PIN_9);
	cleanWaterLevel[1] = new IO_F450(GPIOD,GPIO_PIN_10);
	sewageWaterLevel[0] = new IO_F450(GPIOD,GPIO_PIN_11);
	sewageWaterLevel[1] = new IO_F450(GPIOD,GPIO_PIN_12);
	
	power_4G = new IO_F450(GPIOC,GPIO_PIN_12);
	
	ws2812b_Spi = new MasterSPI_F450();
	
	gAdc = new Adc_F450();
}

void BSP_F450::Init(void)
{
//	mcuClock->Init();
	led_s->Init();
	debugUart->Init();
	LoRa->Init();
	sewagePump->Init(20000);	
	cleanWaterPump->Init(20000);
	ws2812b_Spi->Init();
	gAdc->Init();
	
	voltage_5V = &gAdc->adcValueF[0];
	voltage_4G = &gAdc->adcValueF[1];
	voltage_bus = &gAdc->adcValueF[2];
	current_bus = &gAdc->adcValueF[3];
	current_Charge[0] = &gAdc->adcValueF[4];
	current_Charge[1] = &gAdc->adcValueF[5];

	gAdc->SetRatio(0,0.001611328125);// x / 4096 * 3.3 * 2.0
	gAdc->SetRatio(1,0.001611328125);// x / 4096 * 3.3 * 2.0
	gAdc->SetRatio(2,0.012890625);//x / 4096 * 3.3 * 16.0
	gAdc->SetRatio(3,1);//
	gAdc->SetRatio(4,1);//
	gAdc->SetRatio(5,1);//
}


//uint32_t HAL_GetTick(void)
//{
  return osKernelGetTickCount();
//}
extern "C"
{
	void Error_Handler(void)
	{
		/* USER CODE BEGIN Error_Handler_Debug */
		/* User can add his own implementation to report the HAL error return state */
		__disable_irq();
		while (1)
		{
		}
		/* USER CODE END Error_Handler_Debug */
	}
}

BSP_F450.hpp

#pragma once

#include "BSP_config.h"
#include "Bsp/BSP.hpp"
#include "McuClock_F450.hpp"
#include "LED_S_F450.hpp"
#include "IO_F450.hpp"
#include "MasterSPI_F450.hpp"

#ifdef BSP_USING_ADC1
#include "Adc_F4.hpp"
#endif

#ifdef BSP_USING_UART0
#include "Uart0_F450.hpp"
#endif

#ifdef BSP_USING_UART1
#include "Uart1_F450.hpp"
#endif
#include "PWM_F450.hpp"
#include "ADC_F450.hpp"

//#include "PB_F7.hpp"
//#include "HALL_F7.hpp"
//#include "Uart3_F7.hpp"
//#include "ENC_HALL_F7.hpp"
//#include "LEDS_F7.hpp"
//#include "CAN1_F7.hpp"
//#include "IIC1_F7.hpp"

class BSP_F450:public BSP
{
    public:
	  BSP_F450();
		void Init(void);
};

BSP.hpp

#pragma once

#include "Bsp/McuClock.hpp"
#include "Bsp/IO.hpp"
#include "Bsp/LED.hpp"
#include "Bsp/UART.hpp"
#include "bsp/pwm.hpp"
#include "bsp/MasterSPI.hpp"
#include "bsp/ADC.hpp"

//#include "adc.hpp"

//#include "../Bsp/CAN.hpp"
//#include "../Bsp/IIC.hpp"

class BSP
{
    public:
    
    BSP(){}
		McuClock *mcuClock;
		IO *led_s;
    UART *debugUart;
		UART *LoRa;	
		PWM *sewagePump;
		PWM *cleanWaterPump;
		IO *cleanWaterValve;
		IO *acRelay;
		IO *masterSwitch;
		IO *emergencyStopSwitch;
		IO *PowerSwitch;
		IO *powerControl;
		IO *cleanWaterLevel[2];
		IO *sewageWaterLevel[2];
		IO *power_4G;
		MasterSPI *ws2812b_Spi;
		Adc *gAdc;
		float *voltage_bus;
		float *current_bus;
		float *voltage_5V;
		float *voltage_4G;
	  float *current_Charge[2];
//		Adc  *gAdc;
//		UART *gUSB_UART;
//		UART *gUSB_UART;
//		CAN *gcan;
//		IIC *gIIC;
		virtual void Init(void){}
};

版权声明：本文为CSDN博主「cuitsj」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/cuuitsj/article/details/122941185

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