PingPong/Core/Src/EEPROM.c

#include "EEPROM.h"
#include "pca9685.h"
#include "usbd_cdc_if.h"

		
void SaveShot(unsigned char number, struct Shot* shot)
{
    uint16_t blockAddr16 = (uint16_t)(START_ADR_SHOT + (uint16_t)(number*FLASH_BLOCKSIZE));
   
    uint8_t  blockAddr[2] = {HIBYTE(blockAddr16), LOBYTE(blockAddr16)};
	  		
		unsigned char Buf[FLASH_BLOCKSIZE];
    	
    for( unsigned char i = 0; i < FLASH_BLOCKSIZE; i++ ) Buf[i] = 0; 
   
        Buf[0] = number;
        Buf[1] = shot->countRepeatShot;
        Buf[2] = shot->speedRollerTop;
        Buf[3] = shot->speedRollerBottom;
        Buf[4] = shot->speedScrew;
        Buf[5] = shot->rotationAxial;
        Buf[6] = shot->rotationHorizontal;
        Buf[7] = shot->rotationVertical;
   
    // Writes buffer contents to current block
    FLASH_WriteBlock(blockAddr, Buf);
}

struct Shot GetShot( unsigned char number )
{
	struct Shot shot;

	uint16_t blockAddr16 = (uint16_t)(START_ADR_SHOT + (uint16_t)(number*FLASH_BLOCKSIZE));
	uint8_t  blockAddr[2] = {HIBYTE(blockAddr16), LOBYTE(blockAddr16)};

	unsigned char Buf[FLASH_BLOCKSIZE];


	HAL_I2C_Master_Transmit(&hi2c1, (AT24C_ADRESS << 1), blockAddr, 2, 10);
	HAL_Delay(1);
	HAL_I2C_Master_Receive(&hi2c1, (AT24C_ADRESS << 1), Buf, FLASH_BLOCKSIZE, 10);
	HAL_Delay(1);

	shot.countRepeatShot    = Buf[1];
	shot.speedRollerTop     = Buf[2];
	shot.speedRollerBottom  = Buf[3];
	shot.speedScrew         = Buf[4];
	shot.rotationAxial      = Buf[5];
	shot.rotationHorizontal = Buf[6];
	shot.rotationVertical   = Buf[7];
	
	return shot;
}


void FLASH_WriteBlock(uint8_t *writeAddr, unsigned char *flashWrBufPtr)
{
  unsigned char Buf[FLASH_BLOCKSIZE+2];
	Buf[0] = writeAddr[0];
	Buf[1] = writeAddr[1];
	
	for( unsigned char i = 0; i < (FLASH_BLOCKSIZE); i++ ) Buf[i+2] = flashWrBufPtr[i]; 
		
	HAL_I2C_Master_Transmit(&hi2c1, (AT24C_ADRESS << 1), Buf, (FLASH_BLOCKSIZE + 2), 10);
  HAL_Delay(1);
}