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/*
* led.c
*
* Created on: 2 déc. 2020
* Author: root
*/
#include "led.h"
void Led_init(LED_TypeDef *led, GPIO_TypeDef * port, uint16_t pn){
led->gpioPort=port;
led->pin=pn;
//Activation de l'horloge sur le port en question
//déterminer le numéro du port 0--> GPIOA, 1-->GPIOB, etc.
uint8_t nb_port;
nb_port=(uint32_t)((uint32_t *)port - IOPPERIPH_BASE)/ (uint32_t)0x400;
//activation de l'hologe
RCC->IOPENR|=1<<nb_port;
//configuration de la pin en sortie
led->gpioPort->MODER&=~(0b11<<2*pn);
led->gpioPort->MODER|=(0b01<<2*pn);
}
uint8_t Led_isOn(LED_TypeDef *led){
return ((led->gpioPort->ODR&(1<<led->pin))!=0);
}
uint8_t Led_isOff(LED_TypeDef *led){
return ((led->gpioPort->ODR&(1<<led->pin))==0);
}
void Led_turnOn(LED_TypeDef *led){
led->gpioPort->ODR|=(1<<led->pin);
}
void Led_turnOff(LED_TypeDef *led){
led->gpioPort->ODR&=~(1<<led->pin);
}
void Led_toggle(LED_TypeDef *led){
led->gpioPort->ODR^=(1<<led->pin);
}
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