66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
#include "Driver_ADC.h"
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#include "Driver_GPIO.h"
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void (*PtrfctADC)(void); //Déclaration du pointeur de fonction ADC
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//----------------------INIT--------------------//
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void MyADC_Base_Init(MyADC_Struct_TypeDef * ADC, void (*fct)(void)){
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MyGPIO_Struct_TypeDef * GPIO_ADC; //Déclaration du GPIO de l'ADC
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PtrfctADC=fct; //Affectation du pointeur de fonction ADC
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//Division par 6 de la clock (72MHz) pour l'ADC (14MHz max)
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RCC->CFGR |= RCC_CFGR_ADCPRE_DIV6;
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//Affectation du channel PC0 pour l'ADC
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GPIO_ADC->GPIO = GPIOC;
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GPIO_ADC->GPIO_Conf = In_Analog;
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GPIO_ADC->GPIO_Pin = 0;
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//Sart et choix de ADC1 ou ADC2
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MyADC_Base_Start(ADC->ADC);
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MyADC_Base_Interuption(ADC->ADC);
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}
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//-------------------------------------------------------------------//
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//----------------------------- FONCTIONS ---------------------------//
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//-------------------------------------------------------------------//
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//---------------------START--------------------//
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void MyADC_Base_Start(ADC_TypeDef * ADC){
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if(ADC == ADC1){
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ADC1->CR2 |= ADC_CR2_ADON; //Enable ADC1
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RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; //Clock enable ADC1
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} else if (ADC == ADC2){
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ADC2->CR2 |= ADC_CR2_ADON; //Enable ADC2
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RCC->APB2ENR |= RCC_APB2ENR_ADC2EN; //Clock enable ADC2
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}
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}
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//---------------------STOP--------------------//
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void MyADC_Base_Stop(ADC_TypeDef * ADC){
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if(ADC == ADC1){
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ADC1->CR2 &= ~ADC_CR2_ADON;
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}else if(ADC == ADC2){
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ADC2->CR2 &= ~ADC_CR2_ADON;
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}
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}
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//-----------------INTERRUPTION-------------//
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void MyADC_Base_Interuption(ADC_TypeDef * ADC){
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ADC->CR1 |= ADC_CR1_EOCIE; //Interruption active
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NVIC->ISER[0] |= (0x1<<ADC1_2_IRQn); //Interruption active au niveau du coeur
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//GESTION PRIO ??????????????
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}
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//--------------------HANDLER---------------//
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void ADC1_2_IRQHandler (void) {
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PtrfctADC();
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ADC1->SR &= ~(1<<1); //RAZ du flag end of conversion
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}
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