/*
 * AT24CSW.c
 *
 *  Created on: Nov 12, 2021
 *      Author: angoosh
 */


#include "AT24CSW.h"
#include "main.h"

extern I2C_HandleTypeDef AT24CSW_I2C_HANDLE;

int AT24CSW_Read_Memory(uint8_t address, uint8_t size, uint8_t *data);
int AT24CSW_Page_Write(uint8_t address, uint8_t *bytes);
int AT24CSW_Byte_Write(uint8_t address, uint8_t byte);

int AT24CSW_Byte_Write(uint8_t address, uint8_t byte){
	uint8_t data[2] = {address,byte};
	HAL_I2C_Master_Transmit(&AT24CSW_I2C_HANDLE, (AT24CSW_ADDRESS << 1), data, 3, 0xFFFF);
	return 0;
}

int AT24CSW_Page_Write(uint8_t address, uint8_t *bytes){
	uint8_t data[9];
	data[0] = address;
	for(int i = 0; i < 8; i++){
		data[i+1] = bytes[i];
	}
	HAL_I2C_Master_Transmit(&AT24CSW_I2C_HANDLE, (AT24CSW_ADDRESS << 1), data, 3, 0xFFFF);
	return 0;
}

int AT24CSW_Read_Memory(uint8_t address, uint8_t size, uint8_t *data){
	uint8_t memContent[256];
	HAL_I2C_Master_Receive(&AT24CSW_I2C_HANDLE, (AT24CSW_ADDRESS << 1), memContent, 0xFF, 0xFFFF);

	for(int i = 0; i < size; i++){
		data[i] = memContent[address+i];
	}
	return 0;
}