/*
 * BL25CM1A.c
 *
 *  Created on: 7 сент. 2023 г.
 *      Author: seklyuts
 */
#include "f28x_project.h"
#include "spi_init.h"

#define WREN 0b00000110 //Enable Write Operations
#define WRDI 0b00000100 //Disable Write Operations
#define RDSR 0b00000101 //Read Status Register
#define WRSR 0b00000001 //Write Status Register
#define READ 0b00000011 //Read Data from Memory
#define WRITE 0b00000010 //Write Data to Memory
#define RDID 0b10000011 //Read identification page
#define WRID 0b10000010 //Write identification page
#define RDLS 0b10000011 //Reads the identification page lock status
#define LID 0b10000010 //Locks the identification page in read-only mode


uint16_t sdata2 = RDSR;  // sent data
uint16_t rdata2[16] ;  // received data
//uint16_t error2 = 0;

void Bl25cm1a_en(void)
{
    volatile    uint16_t empty;
    transmitData(WREN);
    while(SpiRegs.SPIFFRX.bit.RXFFST != 1)
    {

    }
    empty = SpiRegs.SPIRXBUF;
}


void Bl25cm1a_write(void)
{
        transmitData(sdata2);
        transmitData(0xFF);
        while(SpiRegs.SPIFFRX.bit.RXFFST != 2)
        {

        }
        rdata2[0] = SpiRegs.SPIRXBUF;
        rdata2[1] = SpiRegs.SPIRXBUF;
}

#define quant 8

void Bl25cm1a_read_data(uint32_t Addr)
{
    volatile    uint16_t empty, i, j;
    transmitData(READ);
    transmitData(Addr>>16);
    transmitData(Addr>>8);
    transmitData(Addr);
    for(i = 0; i<quant; i++) transmitData(0xFF);
    while(SpiRegs.SPIFFRX.bit.RXFFST != (quant+4))
    {

    }
    empty = SpiRegs.SPIRXBUF;
    empty = SpiRegs.SPIRXBUF;
    empty = SpiRegs.SPIRXBUF;
    empty = SpiRegs.SPIRXBUF;
    for(j = 0; j<quant; j++)
    {
        rdata2[j] = SpiRegs.SPIRXBUF;
    }
}

void Bl25cm1a_write_data(uint32_t Addr)
{
    volatile    uint16_t empty, i, j;
    transmitData(WRITE);
    transmitData(Addr>>16);
    transmitData(Addr>>8);
    transmitData(Addr);
    for(i = 0; i<quant; i++) transmitData(rdata2[i]);
    while(SpiRegs.SPIFFRX.bit.RXFFST != (quant+4))
    {

    }
    empty = SpiRegs.SPIRXBUF;
    empty = SpiRegs.SPIRXBUF;
    empty = SpiRegs.SPIRXBUF;
    empty = SpiRegs.SPIRXBUF;
    for(j = 0; j<quant; j++)
    {
        empty = SpiRegs.SPIRXBUF;
    }
}