/*
 * @Author: wujunchao wujunchao@wuxismart.com
 * @Date: 2025-03-17 14:38:34
 * @LastEditors: wujunchao wujunchao@wuxismart.com
 * @LastEditTime: 2025-03-17 17:00:38
 * @FilePath: \signal_generator\App\APP_WU\Src\eeprom_spi.c
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */
#include "eeprom_spi.h"


void eeprom_spi_init(void)
{
    EEPROM_CS_H;    // CS 初始化高（手册中描述：S拉低时片选）
    EEPROM_SCLK_L;  // CLK 初始化低
    EEPROM_WR_H;    // 不使用硬件保护
}

void eeprom_spi_writebyte(uint8_t wrt_data)
{
    EEPROM_CS_L;
    delay_cnt(1000);

    uint8_t i;
	
	for(i = 0;i < 8;i++)
	{
		EEPROM_SCLK_L;
		wu_delay_us(2);       // 空等待
		
	#if 0
        SPI_MOSI((Byte & 0x80) >> 7);
		
	#else
		if(wrt_data & 0x80)
		{
			EEPROM_MOSI_H;
		}
		else
		{
			EEPROM_MOSI_L;
		}
		
	#endif
        wrt_data <<= 1;
		wu_delay_us(2);       // 空等待
		EEPROM_SCLK_H;
		wu_delay_us(2);       // 空等待
		wrt_data |= EEPROM_MISO;
	}
	
	EEPROM_SCLK_L;

    EEPROM_CS_H;
}

void eeprom_spi_readbyte(uint8_t rd_data)
{
    EEPROM_CS_L;
    delay_cnt(1000);

    uint8_t i;
	uint8_t temp = 0;
	
	for(i = 0;i < 8;i++)
	{
		EEPROM_SCLK_L;
		wu_delay_us(2);       // 空等待
		temp <<= 1;
		
	#if 1
		temp |= EEPROM_MISO;
		
	#else
		if(SPI_MISO)
		{
			temp++;
		}
		
	#endif
        EEPROM_SCLK_H;
		wu_delay_us(2);       // 空等待
	}

	EEPROM_SCLK_L;

    EEPROM_CS_H;

}

void eeprom_writedata(uint8_t addr[3], uint8_t txd)
{
    eeprom_spi_writebyte(WRITE_ENABLE);

    eeprom_spi_writebyte(WRITE_MEMORY);
    eeprom_spi_writebyte(addr[0]);
    eeprom_spi_writebyte(addr[1]);
    eeprom_spi_writebyte(addr[2]);

    eeprom_spi_writebyte(txd);

    eeprom_spi_writebyte(WRITE_DISABLE);
}

void eeprom_readdata(uint8_t addr[3], uint8_t rxd)
{
    eeprom_spi_writebyte(WRITE_ENABLE);

    eeprom_spi_writebyte(READ_MEMORY);
    eeprom_spi_writebyte(addr[0]);
    eeprom_spi_writebyte(addr[1]);
    eeprom_spi_writebyte(addr[2]);

    eeprom_spi_readbyte(rxd);

    eeprom_spi_writebyte(WRITE_DISABLE);
}