/*
 * m95512.c
 *
 *  Created on: Nov 1, 2023
 *      Author: Warner
 */

#include "m95512.h"
#include "fsl_spi.h"
#include "spi.h"
#include "timer.h"

#define M95512_BUFFER_SIZE (8)

extern uint8_t Port_State[];
extern spi_transfer_t SPI0_xfer;



/*	BB 11/10/23
 * 	m95512.c functions should ONLY be used by eeprom.c functions!
 * 	This is because the CTIMER0 interrupt corrupts EEPROM data
 * 	eeprom.c functions stop CTIMER0 while accessing the EEPROM
 */


status_t M95512_WriteEnable(void){
    status_t reslut;                //not used, because function SPI0_SendBytes() has no return.
    uint8_t srcBuff[M95512_BUFFER_SIZE];

    srcBuff[0] = WRITE_ENABLE;
    SPI0_SendBytes(srcBuff, 1, E2PROM);

    return reslut;
}

status_t M95512_WriteDisable(void){
    status_t reslut;
    uint8_t srcBuff[M95512_BUFFER_SIZE];

    srcBuff[0] = WRITE_DISABLE;
    SPI0_SendBytes(srcBuff, 1, E2PROM);

    return reslut;
}

status_t M95512_ReadStatus(uint8_t *pdata){
    status_t reslut;
    uint8_t srcBuff[M95512_BUFFER_SIZE];
    uint8_t destBuff[M95512_BUFFER_SIZE];

    srcBuff[0] = READ_STATUS_REG;
    SPI0_SendBytes(srcBuff, 2, E2PROM);
    *pdata = SPI0_xfer.rxData[1];

    return reslut;
}

status_t M95512_WriteStatus(uint8_t *pdata){
    status_t reslut;
    uint8_t srcBuff[M95512_BUFFER_SIZE];

    srcBuff[0] = WRITE_STATUS_REG;
    srcBuff[1] = *pdata;
    SPI0_SendBytes(srcBuff, 2, E2PROM);

    return reslut;
}