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STM32F429 ADC DMA okuma

Başlatan BerserkerTR, 15 Ocak 2020, 11:51:19

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BerserkerTR

15 Ocak 2020, 11:51:19
Merhabalar proje gereği stabil bir şekilde DMA ile ADC okuması yapmam gerekiyor.Fakat aşağıdaki gibi yaptığımda ADC okuması yapamadım.Yardımcı olursanız sevinirim.
#include "stm32f4xx.h"       // Device header
#include "stm32f4xx_adc.h"              // Keil::Device:StdPeriph Drivers:ADC
#include "stm32f4xx_dma.h"              // Keil::Device:StdPeriph Drivers:DMA
#include "stm32f4xx_gpio.h"             // Keil::Device:StdPeriph Drivers:GPIO
#include "stm32f4xx_rcc.h"              // Keil::Device:StdPeriph Drivers:RCC
#include "defines.h"
#include "tm_stm32f4_usart.h"
#include "stdlib.h"
#include <stdio.h>

uint16_t ADC_ValArray1[7];
uint16_t ADC_ValArray2[8];
uint16_t ADC_ValArray3[7];

void USART_Puts(USART_TypeDef* USARTx, volatile char *s)
{
	
	while(*s){
	while ( !(USARTx -> SR & 0x00000040));
  USART_SendData(USARTx, *s);
	*s++;
}}
	

void GPIOA_Init(void){
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
	
	GPIO_InitTypeDef GPIO_InitStructure;
	
	GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AIN;
	GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 |GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
	GPIO_Init(GPIOA, &GPIO_InitStructure);
	
	
	
}

void GPIOB_Init(void){
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
	
	GPIO_InitTypeDef GPIO_InitStructure;
	
	GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AIN;
	GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_0 | GPIO_Pin_1 ;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
	GPIO_Init(GPIOB, &GPIO_InitStructure);
	
	
	
}

void GPIOC_Init(void){
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
	
	GPIO_InitTypeDef GPIO_InitStructure;
	
	GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AIN;
	GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 |GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
	GPIO_Init(GPIOC, &GPIO_InitStructure);
	
	
	
}

void GPIOF_Init(void){
	
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF,ENABLE);
	
	GPIO_InitTypeDef GPIO_InitStructure;
	
	GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AIN;
	GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 |GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
	GPIO_Init(GPIOF, &GPIO_InitStructure);
	
	
	
}



void ekrangonder(char nesne[],char deger[]){
	
	TM_USART_Puts(USART1,nesne);
	TM_USART_Putc(USART1,'"');
	TM_USART_Puts(USART1,deger);
	TM_USART_Putc(USART1,'"');
	TM_USART_Putc(USART1,0xFF);
	TM_USART_Putc(USART1,0xFF);
	TM_USART_Putc(USART1,0xFF);
	
}

void Init_ADC1(void){
	
	ADC_InitTypeDef ADC_InitStructure;
	ADC_CommonInitTypeDef ADC_CommonInitStructure;
	
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
	
	ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
	ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
	ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
	ADC_CommonInitStructure.ADC_TwoSamplingDelay= ADC_TwoSamplingDelay_5Cycles;
	ADC_CommonInit(&ADC_CommonInitStructure);
	
	ADC_InitStructure.ADC_Resolution            = ADC_Resolution_10b;
	ADC_InitStructure.ADC_ScanConvMode					= ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode		= ENABLE;
	ADC_InitStructure.ADC_ExternalTrigConvEdge  = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure.ADC_DataAlign							= ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfConversion 			= 4;
	
	ADC_Init(ADC1,&ADC_InitStructure);
	
	ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_144Cycles);  // PA1
	ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_144Cycles);  // PA2
	ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 1, ADC_SampleTime_144Cycles);  // PA3
	ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_144Cycles);  // PA4
	ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SampleTime_144Cycles);  // PA5
	ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 1, ADC_SampleTime_144Cycles);  // PA6
	ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 1, ADC_SampleTime_144Cycles);  // PA7

	
	ADC_Cmd(ADC1, ENABLE);
	
}





 //**********************************************************************************************************************//



void Init_ADC2(void){
	
	ADC_InitTypeDef ADC_InitStructure;
	ADC_CommonInitTypeDef ADC_CommonInitStructure;
	
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
	
	ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
	ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
	ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
	ADC_CommonInitStructure.ADC_TwoSamplingDelay= ADC_TwoSamplingDelay_5Cycles;
	ADC_CommonInit(&ADC_CommonInitStructure);
	
	ADC_InitStructure.ADC_Resolution            = ADC_Resolution_10b;
	ADC_InitStructure.ADC_ScanConvMode					= ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode		= ENABLE;
	ADC_InitStructure.ADC_ExternalTrigConvEdge  = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure.ADC_DataAlign							= ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfConversion 			= 4;
	
	ADC_Init(ADC2,&ADC_InitStructure);
	
	
		
		ADC_RegularChannelConfig(ADC2, ADC_Channel_8,  1, ADC_SampleTime_144Cycles);   // PB0
		ADC_RegularChannelConfig(ADC2, ADC_Channel_9,  1, ADC_SampleTime_144Cycles);   // PB1
		ADC_RegularChannelConfig(ADC2, ADC_Channel_10, 1, ADC_SampleTime_144Cycles);   // PC0
		ADC_RegularChannelConfig(ADC2, ADC_Channel_11, 1, ADC_SampleTime_144Cycles);   // PC1
		ADC_RegularChannelConfig(ADC2, ADC_Channel_12, 1, ADC_SampleTime_144Cycles);   // PC2
		ADC_RegularChannelConfig(ADC2, ADC_Channel_13, 1, ADC_SampleTime_144Cycles);   // PC3
		ADC_RegularChannelConfig(ADC2, ADC_Channel_14, 1, ADC_SampleTime_144Cycles);   // PC4
		ADC_RegularChannelConfig(ADC2, ADC_Channel_15, 1, ADC_SampleTime_144Cycles);   // PC5
		
	
	ADC_Cmd(ADC2, ENABLE);
	
}





////*************************///////////////////////**********************/////////////////////*********************/////////////////////////////////*********





void Init_ADC3(void){
	
	ADC_InitTypeDef ADC_InitStructure;
	ADC_CommonInitTypeDef ADC_CommonInitStructure;
	
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
	
	ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
	ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
	ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
	ADC_CommonInitStructure.ADC_TwoSamplingDelay= ADC_TwoSamplingDelay_5Cycles;
	ADC_CommonInit(&ADC_CommonInitStructure);
	
	ADC_InitStructure.ADC_Resolution            = ADC_Resolution_10b;
	ADC_InitStructure.ADC_ScanConvMode					= ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode		= ENABLE;
	ADC_InitStructure.ADC_ExternalTrigConvEdge  = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure.ADC_DataAlign							= ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfConversion 			= 4;
	
	ADC_Init(ADC3,&ADC_InitStructure);
	  ADC_RegularChannelConfig(ADC3,ADC_Channel_3,1,ADC_SampleTime_144Cycles);
	  ADC_RegularChannelConfig(ADC3, ADC_Channel_14,  1, ADC_SampleTime_144Cycles);   // PF4
	  ADC_RegularChannelConfig(ADC3, ADC_Channel_15,  1, ADC_SampleTime_144Cycles);   // PF5
		ADC_RegularChannelConfig(ADC3, ADC_Channel_4,  1, ADC_SampleTime_144Cycles);    // PF6
		ADC_RegularChannelConfig(ADC3, ADC_Channel_5,  1, ADC_SampleTime_144Cycles);    // PF7
		ADC_RegularChannelConfig(ADC3, ADC_Channel_6,  1, ADC_SampleTime_144Cycles);    // PF8
	  ADC_RegularChannelConfig(ADC3, ADC_Channel_7,  1, ADC_SampleTime_144Cycles);    // PF9
	  ADC_RegularChannelConfig(ADC3, ADC_Channel_8,  1, ADC_SampleTime_144Cycles);    // PF10
	
	
	
	ADC_Cmd(ADC3, ENABLE);
	
}

void DMA_CH0(){
	
	DMA_InitTypeDef DMA_InitStructure;
	
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2,ENABLE);
	
	DMA_InitStructure.DMA_Channel=DMA_Channel_0;
	DMA_InitStructure.DMA_PeripheralBaseAddr=(uint32_t) 0x4001204C; //4001214C ADC2 4001224C
	DMA_InitStructure.DMA_Memory0BaseAddr=(uint32_t) ADC_ValArray1;
	DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  DMA_InitStructure.DMA_BufferSize = 4;
  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_FIFOMode = DMA_FIFOMode_Disable;         
  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
  DMA_Init(DMA2_Stream0, &DMA_InitStructure);
  DMA_Cmd(DMA2_Stream0, ENABLE);
	
	Init_ADC1();
	
	ADC_DMARequestAfterLastTransferCmd(ADC1,ENABLE);
	ADC_DMACmd(ADC1,ENABLE);
	
}


void DMA_CH1(){
	
	DMA_InitTypeDef DMA_InitStructure;
	
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2,ENABLE);
	
	DMA_InitStructure.DMA_Channel=DMA_Channel_1;
	DMA_InitStructure.DMA_PeripheralBaseAddr=(uint32_t) 0x4001214C; //4001214C ADC2 4001224C
	DMA_InitStructure.DMA_Memory0BaseAddr=(uint32_t) ADC_ValArray2;
	DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  DMA_InitStructure.DMA_BufferSize = 4;
  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_FIFOMode = DMA_FIFOMode_Disable;         
  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
  DMA_Init(DMA2_Stream2, &DMA_InitStructure);
  DMA_Cmd(DMA2_Stream2, ENABLE);
	
	Init_ADC2();
	
	ADC_DMARequestAfterLastTransferCmd(ADC2,ENABLE);
	ADC_DMACmd(ADC2,ENABLE);
	
}


void DMA_CH2(){
	
	DMA_InitTypeDef DMA_InitStructure;
	
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2,ENABLE);
	
	DMA_InitStructure.DMA_Channel=DMA_Channel_2;
	DMA_InitStructure.DMA_PeripheralBaseAddr=(uint32_t) 0x4001224C; //4001214C ADC2 4001224C
	DMA_InitStructure.DMA_Memory0BaseAddr=(uint32_t) ADC_ValArray3;
	DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  DMA_InitStructure.DMA_BufferSize = 4;
  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_FIFOMode = DMA_FIFOMode_Disable;         
  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
  DMA_Init(DMA2_Stream0, &DMA_InitStructure);
  DMA_Cmd(DMA2_Stream0, ENABLE);
	
	Init_ADC3();
	
	ADC_DMARequestAfterLastTransferCmd(ADC3,ENABLE);
	ADC_DMACmd(ADC3,ENABLE);
	
}




int main(){
	uint8_t c;
	
	SystemInit();
	
	//PA9 TX PA10 RX
	TM_USART_Init(USART1,TM_USART_PinsPack_1,9600);
	
	GPIOA_Init();
	GPIOB_Init();
	GPIOC_Init();
	GPIOF_Init();
	
	
	DMA_CH0();
	DMA_CH1();
	DMA_CH2();
	
	ADC_SoftwareStartConv(ADC1);
	ADC_SoftwareStartConv(ADC2);
	ADC_SoftwareStartConv(ADC3);
	
char buf1[100];
  	char buf2[100];
		char buf3[100];
	
	while(1){
		
		for(uint8_t i; i<=6 ; i++){
		sprintf(buf1,"%d",ADC_ValArray1[i]);
	   	TM_USART_Puts(USART1,buf1);
			USART_Puts(USART1,"a1");
		}
	  
		for(uint8_t j; j<=7 ; j++){
		sprintf(buf2,"%d",ADC_ValArray2[j]);
		   TM_USART_Puts(USART1,buf2);
			
				USART_Puts(USART1,"a2");
		}
	

   
		for(uint8_t k; k<=7 ; k++){
		sprintf(buf3,"%d",ADC_ValArray3[k]);
		  TM_USART_Puts(USART1,buf3);	
			USART_Puts(USART1,"a3");
	}
	
		
	}
	
}
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