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Added function pointer for interruptions (Arduino Like Interrupt)

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This commit is contained in:
Yohan Boujon 2023-03-27 16:49:03 +02:00
parent 39df95caf9
commit 4c965562b6
4 changed files with 22 additions and 15 deletions
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23
ProjetsKEIL/Drivers/adcdriver.c
View file

@ -1,5 +1,12 @@
#include "adcdriver.h" #include "adcdriver.h"
void (* pFncADC) (void); /* déclaration d’un pointeur de fonction */
void MyADC_Init_Periph (void (* ptrFonction)(void))
{
pFncADC = ptrFonction; /* affectation du pointeur */
}
void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr) void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr)
{ {
RCC->CFGR |= RCC_CFGR_ADCPRE_1; // ADC Prescaler : divided by 6 -> 72MHz to 12MHz RCC->CFGR |= RCC_CFGR_ADCPRE_1; // ADC Prescaler : divided by 6 -> 72MHz to 12MHz
@ -18,16 +25,20 @@ void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr)
ADCStructPtr->ADC->CR2 |= ADC_CR2_EXTSEL; //Event externe choisie : SWSTART ADCStructPtr->ADC->CR2 |= ADC_CR2_EXTSEL; //Event externe choisie : SWSTART
MyADC_ActiveIT(ADCStructPtr->ADC,0); MyADC_ActiveIT(ADCStructPtr->ADC,0);
ADCStructPtr->ADC->CR2 |= ADC_CR2_ADON; //Init l'ADC ADCStructPtr->ADC->CR2 |= ADC_CR2_ADON; //Init l'ADC
} MyADC_Base_Start(ADCStructPtr->ADC); //Debut du premier ADC
void MyADC_Start (ADC_TypeDef * ADC)
{
ADC->CR2 |= ADC_CR2_SWSTART; //Start Conversion of regular channels
} }
void MyADC_ActiveIT(ADC_TypeDef * ADC, uint8_t Prio) void MyADC_ActiveIT(ADC_TypeDef * ADC, uint8_t Prio)
{ {
ADC->CR1 |= ADC_CR1_EOCIE; //Interruption active ADC->CR1 |= ADC_CR1_EOCIE; //Interruption active
NVIC->IP[ADC1_2_IRQn] |= (Prio << 0x4); //Prio de l'interruption (p.197 manuel reference RM0008 pour ADC1_IRQn) NVIC->IP[ADC1_2_IRQn] |= (Prio << 0x4); //Prio de l'interruption (p.197 manuel reference RM0008 pour ADC1_IRQn)
NVIC->ISER[0] |= (0x1<<ADC1_2_IRQn); //Active l'interruption au niveau NVIC (p.119 manuel programming pour ISER[0]) NVIC->ISER[0] |= (0x1<<ADC1_2_IRQn); //Active l'interruption au niveau NVIC (p.119 manuel programming pour ISER[0])
} }
void ADC1_2_IRQHandler(void)
{
if (pFncADC != 0)
(*pFncADC) (); /* appel indirect de la fonction */
MyADC_Base_Start(ADC1);
ADC1->SR &= ~ADC_SR_EOC; //Prochaine lecture pouvant être effectuée.
}

3
ProjetsKEIL/Drivers/adcdriver.h
View file

@ -23,8 +23,9 @@ typedef struct
void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr); void MyADC_Init(MyADC_Struct_TypeDef * ADCStructPtr);
void MyADC_ActiveIT(ADC_TypeDef * ADC, uint8_t Prio); void MyADC_ActiveIT(ADC_TypeDef * ADC, uint8_t Prio);
void MyADC_Start (ADC_TypeDef * ADC); void MyADC_Init_Periph (void (* ptrFonction)(void));
MyGPIO_Struct_TypeDef GPIOFromADC(MyADC_Struct_TypeDef ADC); MyGPIO_Struct_TypeDef GPIOFromADC(MyADC_Struct_TypeDef ADC);
#define MyADC_Base_Start(ADC) (ADC->CR2 |= ADC_CR2_SWSTART)
#endif #endif

9
ProjetsKEIL/adc/Source/Principale.c
View file

@ -7,7 +7,7 @@
#define ADON 0 #define ADON 0
void ADC1_2_IRQHandler(void) void LEDClignotte(void)
{ {
if(ADC1->DR >= 3102) if(ADC1->DR >= 3102)
{ {
@ -16,8 +16,6 @@ void ADC1_2_IRQHandler(void)
else{ else{
MyGPIO_Reset(GPIOA,5); MyGPIO_Reset(GPIOA,5);
} }
MyADC_Start(ADC1);
ADC1->SR &= ~ADC_SR_EOC; //Prochaine lecture pouvant être effectuée.
} }
int main (void) int main (void)
@ -29,12 +27,9 @@ int main (void)
MyGPIO_Init(&led); MyGPIO_Init(&led);
MyADC_Init(&adcStruct); MyADC_Init(&adcStruct);
MyADC_Init_Periph(LEDClignotte);
MyGPIO_Init(&adc); MyGPIO_Init(&adc);
MyADC_Start(ADC1);
while(1){ while(1){
//MyADC_Start(ADC1); //MyADC_Start(ADC1);
/* /*

2
ProjetsKEIL/adc/adc.uvoptx
View file

@ -529,7 +529,7 @@
<GroupNumber>2</GroupNumber> <GroupNumber>2</GroupNumber>
<FileNumber>3</FileNumber> <FileNumber>3</FileNumber>
<FileType>1</FileType> <FileType>1</FileType>
<tvExp>0</tvExp> <tvExp>1</tvExp>
<tvExpOptDlg>0</tvExpOptDlg> <tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2> <bDave2>0</bDave2>
<PathWithFileName>..\Drivers\timerdriver.c</PathWithFileName> <PathWithFileName>..\Drivers\timerdriver.c</PathWithFileName>