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Ajout de l'init et du read

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This commit is contained in:
Cedric Chanfreau 2023-03-20 15:44:47 +01:00
parent f2e66b6b9d
commit 8dc81c0256
4 changed files with 59 additions and 15 deletions
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40
ProjetsKEIL/Drivers/Driver_GPIO.c
View file

@ -1,5 +1,43 @@
#include "Driver_GPIO.h" #include "Driver_GPIO.h"
void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr) { void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr) {
//Configurer les horloges
if(GPIOStructPtr->GPIO == GPIOA){
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;//RCC->APB2ENR = 0x02;
}
else if(GPIOStructPtr->GPIO == GPIOB){
RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;//RCC->APB2ENR = 0x03;
}
else if (GPIOStructPtr->GPIO == GPIOC){
RCC->APB2ENR |= RCC_APB2ENR_IOPCEN; //RCC->APB2ENR = 0x04;
}
//Initialiser le registre urilisé
if (GPIOStructPtr->GPIO_Pin < 8) {
GPIOStructPtr->GPIO->CRL &= ~(0xF << (4 * GPIOStructPtr->GPIO_Pin));
GPIOStructPtr->GPIO->CRL |= (GPIOStructPtr->GPIO_Conf << (4 * GPIOStructPtr->GPIO_Pin));
} else {
GPIOStructPtr->GPIO->CRH &= ~(0xF << (4 * GPIOStructPtr->GPIO_Pin));
GPIOStructPtr->GPIO->CRH |= (GPIOStructPtr->GPIO_Conf << (4* GPIOStructPtr->GPIO_Pin));
}
}
int MyGPIO_Read(GPIO_TypeDef * GPIO, char GPIO_Pin){
if((GPIO->IDR) &= (1 << GPIO_Pin)!=0)
{
return 1;
}else{
return 0;
}
}
void MyGPIO_Set(GPIO_TypeDef * GPIO, char GPIO_Pin){
} }
void MyGPIO_Reset(GPIO_TypeDef * GPIO, char GPIO_Pin){
}
void MyGPIO_Toggle(GPIO_TypeDef * GPIO, char GPIO_Pin){
}

16
ProjetsKEIL/Drivers/Driver_GPIO.h
View file

@ -9,14 +9,14 @@ typedef struct {
} MyGPIO_Struct_TypeDef; } MyGPIO_Struct_TypeDef;
#define In_Floating 0x4 // 0x0100 #define In_Floating 0x4 // 0b0100
#define In_PullDown 0x... // a completer #define In_PullDown 0x8
#define In_PullUp 0x... // a completer #define In_PullUp 0x8
#define In_Analog 0x... // a completer #define In_Analog 0x0
#define Out_Ppull 0x... // a completer #define Out_Ppull 0x1
#define Out_OD 0x... // a completer #define Out_OD 0x6
#define AltOut_Ppull 0x... // a completer #define AltOut_Ppull 0x5
#define AltOut_OD 0x... // a completer #define AltOut_OD 0xD
void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr); void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr);
int MyGPIO_Read(GPIO_TypeDef * GPIO, char GPIO_Pin); // renvoie 0 ou autre chose d i f f e r e n t de 0 int MyGPIO_Read(GPIO_TypeDef * GPIO, char GPIO_Pin); // renvoie 0 ou autre chose d i f f e r e n t de 0

16
ProjetsKEIL/Projet_1/Src/Principal.c
View file

@ -1,26 +1,32 @@
#include "stm32f10x.h" #include "stm32f10x.h"
#include "Driver_GPIO.h" #include "Driver_GPIO.h"
// PA5 LED
// PC13 BP
MyGPIO_Struct_TypeDef LED;
int main ( void ) int main ( void )
{ {
// Clocks des ports A, B, C // Clocks des ports A, B, C
RCC->APB2ENR |= (0x01 << 2) | (0x01 << 3) | (0x01 << 4) ; //RCC->APB2ENR |= (0x01 << 2) | (0x01 << 3) | (0x01 << 4) ;
GPIOA->CRL &= ~(0xF << 20); // Mise à 0 GPIOA->CRL &= ~(0xF << 20); // Mise à 0
GPIOA->CRL |= (0x1 << 20); // Output GPIOA->CRL |= (0x1 << 20); // Output
GPIOA->BSRR |= (0x01 << 5); GPIOA->BSRR |= (0x01 << 5);
// Configure PC13 as input with pull-up // Configure PC13 as input with pull-up
GPIOC->CRH &=~ (1<<) GPIOC->CRH &=~ (1<<13);
GPIOC->CRH &= ~(0x1 << 22) GPIOC->CRH &= ~(0x1 << 22);
GPIOC->CRH |= GPIO_CRH_CNF13_1; GPIOC->CRH |= GPIO_CRH_CNF13_1; // BP = PC13
GPIOC->ODR |= GPIO_ODR_ODR13; GPIOC->ODR |= GPIO_ODR_ODR13;
//GPIOA->BSRR |= (1 << 21); //GPIOA->BSRR |= (1 << 21);
for (;;) while(1)
{ {
} }

2
ProjetsKEIL/Projet_1/TP.uvoptx
View file

@ -406,7 +406,7 @@
<GroupNumber>2</GroupNumber> <GroupNumber>2</GroupNumber>
<FileNumber>2</FileNumber> <FileNumber>2</FileNumber>
<FileType>1</FileType> <FileType>1</FileType>
<tvExp>1</tvExp> <tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg> <tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2> <bDave2>0</bDave2>
<PathWithFileName>..\Drivers\Driver_GPIO.c</PathWithFileName> <PathWithFileName>..\Drivers\Driver_GPIO.c</PathWithFileName>