DriverSTM_RC/Source/Eeprom.c

#include "Eeprom.h"



uint16_t readPointerEcriture(){
	uint8_t t[2];
	t[0]=0x00;
	t[1]=0x00;
	writeEeprom(EepromADD,t,2);
	readEeprom(EepromADD,t,2);
	uint16_t res = t[0]<<8 & t[1];
	return res;
}

void writePointerEcriture(uint16_t p){
	uint8_t t[4];
	t[0]=0x00;
	t[1]=0x00;
	t[2]=(uint8_t)p>>8;
	t[3]=(uint8_t)p>>8;
	writeEeprom(EepromADD,t,4);
}

uint16_t readPointerLecture(){
	uint8_t t[2];
	t[0]=0x00;
	t[1]=0x01;
	writeEeprom(EepromADD,t,2);
	readEeprom(EepromADD,t,2);
	uint16_t res = t[0]<<8 & t[1];
	return res;
}

void writePointerLecture(uint16_t p){
	uint8_t t[4];
	t[0]=0x00;
	t[1]=0x01;
	t[2]=(uint8_t)p>>8;
	t[3]=(uint8_t)p>>8;
	writeEeprom(EepromADD,t,4);
}


//ne fonctionne pas a refaire on eccrit même si on arrivent a la fin
void writeDataFifo(uint8_t *tab, uint8_t size){
	uint8_t t[size+2];
	uint16_t pr = readPointerEcriture();
	t[0]=(uint8_t)pr>>8;
	t[1]=(uint8_t)pr;
	for (int i= 0; i<size;i++)
		t[i+2]=tab[i];
	writeEeprom(EepromADD,t,size+2);

	pr=pr+(size/2);//
	if (pr>0x800)
	writePointerEcriture(pr);
}

void readDataFifo(uint8_t *tab, uint8_t size){

}

//fonction pour tester le hard de l'Eeprom
void testEeprom(){
	uint16_t add = 0x04AA;
	writePointerEcriture(add);
	add = readPointerEcriture();
}