120 lines
2.1 KiB
C
120 lines
2.1 KiB
C
/*
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* @Author: wujunchao wujunchao@wuxismart.com
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* @Date: 2025-03-17 14:38:34
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* @LastEditors: wujunchao wujunchao@wuxismart.com
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* @LastEditTime: 2025-03-17 17:00:38
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* @FilePath: \signal_generator\App\APP_WU\Src\eeprom_spi.c
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* @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
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*/
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#include "eeprom_spi.h"
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void eeprom_spi_init(void)
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{
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EEPROM_CS_H; // CS 初始化高（手册中描述：S拉低时片选）
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EEPROM_SCLK_L; // CLK 初始化低
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EEPROM_WR_H; // 不使用硬件保护
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}
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void eeprom_spi_writebyte(uint8_t wrt_data)
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{
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EEPROM_CS_L;
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delay_cnt(1000);
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uint8_t i;
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for(i = 0;i < 8;i++)
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{
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EEPROM_SCLK_L;
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wu_delay_us(2); // 空等待
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#if 0
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SPI_MOSI((Byte & 0x80) >> 7);
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#else
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if(wrt_data & 0x80)
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{
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EEPROM_MOSI_H;
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}
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else
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{
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EEPROM_MOSI_L;
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}
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#endif
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wrt_data <<= 1;
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wu_delay_us(2); // 空等待
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EEPROM_SCLK_H;
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wu_delay_us(2); // 空等待
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wrt_data |= EEPROM_MISO;
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}
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EEPROM_SCLK_L;
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EEPROM_CS_H;
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}
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void eeprom_spi_readbyte(uint8_t rd_data)
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{
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EEPROM_CS_L;
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delay_cnt(1000);
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uint8_t i;
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uint8_t temp = 0;
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for(i = 0;i < 8;i++)
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{
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EEPROM_SCLK_L;
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wu_delay_us(2); // 空等待
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temp <<= 1;
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#if 1
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temp |= EEPROM_MISO;
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#else
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if(SPI_MISO)
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{
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temp++;
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}
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#endif
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EEPROM_SCLK_H;
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wu_delay_us(2); // 空等待
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}
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EEPROM_SCLK_L;
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EEPROM_CS_H;
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}
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void eeprom_writedata(uint8_t addr[3], uint8_t txd)
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{
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eeprom_spi_writebyte(WRITE_ENABLE);
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eeprom_spi_writebyte(WRITE_MEMORY);
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eeprom_spi_writebyte(addr[0]);
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eeprom_spi_writebyte(addr[1]);
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eeprom_spi_writebyte(addr[2]);
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eeprom_spi_writebyte(txd);
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eeprom_spi_writebyte(WRITE_DISABLE);
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}
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void eeprom_readdata(uint8_t addr[3], uint8_t rxd)
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{
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eeprom_spi_writebyte(WRITE_ENABLE);
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eeprom_spi_writebyte(READ_MEMORY);
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eeprom_spi_writebyte(addr[0]);
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eeprom_spi_writebyte(addr[1]);
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eeprom_spi_writebyte(addr[2]);
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eeprom_spi_readbyte(rxd);
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eeprom_spi_writebyte(WRITE_DISABLE);
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}
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