关键芯片都驱动,且测试成功
This commit is contained in:
@@ -1,350 +1,450 @@
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/**
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******************************************************************************
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* @file gd5f2gq5ue.c
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* @brief GD5F2GQ5UE SPI NAND Flash 驱动实现
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******************************************************************************
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*/
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/*
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* 模块名称:GD5F2GQ5UE SPI NAND Flash 驱动
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* 模块功能:提供 GD5F2GQ5UE SPI NAND Flash 的初始化、读、写、擦除接口
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* 适用平台:STM32F407ZGT6 + SPI1 硬件 SPI
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* 作者:王建锋
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* 创建日期:2026-07-16
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* 修改记录:
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* 2026-07-16 王建锋 创建初始版本
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* 2026-07-17 王建锋 切换硬件 SPI,修正擦除地址,参考 NuttX 驱动
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*/
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/* 头文件包含区 */
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#include "gd5f2gq5ue.h"
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#include <string.h>
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/* 私有宏定义区 */
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#define GD5F_SPI_TIMEOUT 100
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/* 外部 SPI 句柄声明 */
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extern SPI_HandleTypeDef hspi1;
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/* ===================== 内部辅助函数 ===================== */
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/* ======================== 私有函数声明 ======================== */
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/**
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* @brief SPI 发送/接收单字节
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*/
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static uint8_t gd5f_spi_xfer(uint8_t tx)
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{
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uint8_t rx;
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HAL_SPI_TransmitReceive(&hspi1, &tx, &rx, 1, 100);
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return rx;
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}
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static int gd5f_wait_busy(uint32_t timeout_ms);
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static int gd5f_write_enable(void);
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static int gd5f_read_status(uint8_t *p_status);
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static int gd5f_page_read(uint32_t page_addr);
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static int gd5f_read_from_cache(uint16_t column, uint8_t *p_buf,
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size_t size);
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static int gd5f_page_program(uint32_t page_addr, uint16_t column,
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const uint8_t *p_buf, size_t size);
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static int gd5f_set_feature(uint8_t addr, uint8_t data);
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static int gd5f_block_erase(uint32_t block_addr);
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/**
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* @brief SPI 发送缓冲区
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*/
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static void gd5f_spi_tx(const uint8_t *buf, size_t len)
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{
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HAL_SPI_Transmit(&hspi1, (uint8_t *)buf, len, 100);
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}
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/* ======================== 私有函数定义 ======================== */
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/**
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* @brief SPI 接收缓冲区
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*/
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static void gd5f_spi_rx(uint8_t *buf, size_t len)
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{
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HAL_SPI_Receive(&hspi1, buf, len, 100);
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}
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/**
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* @brief 等待操作完成(OIP 位清零)
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* @param timeout_ms: 超时时间(毫秒)
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* @retval GD5F_OK 成功, GD5F_BUSY_TIMEOUT 超时
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/*
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* 函数功能:等待芯片操作完成(轮询 OIP 位)
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* 入口参数:timeout_ms - 超时时间 uint32_t > 0
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* 返回值:0 - 操作完成,-2 - 超时
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* 限定条件:SPI 已初始化
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* 函数说明:循环读取状态寄存器直到 OIP 位清零或超时
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*/
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static int gd5f_wait_busy(uint32_t timeout_ms)
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{
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uint8_t cmd = GD5F_CMD_GET_FEATURE;
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uint8_t addr = GD5F_REG_STATUS;
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uint8_t status;
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uint32_t tickstart = HAL_GetTick();
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uint8_t status = 0;
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uint32_t tick_start = HAL_GetTick();
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while (1) {
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GD5F_CS_LOW();
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gd5f_spi_tx(&cmd, 1);
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gd5f_spi_tx(&addr, 1);
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gd5f_spi_rx(&status, 1);
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HAL_SPI_Transmit(&hspi1, &cmd, 1, GD5F_SPI_TIMEOUT);
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HAL_SPI_Transmit(&hspi1, &addr, 1, GD5F_SPI_TIMEOUT);
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HAL_SPI_Receive(&hspi1, &status, 1, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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if ((status & GD5F_STATUS_OIP) == 0) {
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return GD5F_OK;
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}
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if ((HAL_GetTick() - tickstart) >= timeout_ms) {
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if ((HAL_GetTick() - tick_start) >= timeout_ms) {
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return GD5F_BUSY_TIMEOUT;
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}
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}
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}
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/**
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* @brief 写使能
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/*
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* 函数功能:发送写使能命令
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* 入口参数:无
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* 返回值:0 - 成功
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* 限定条件:SPI 已初始化
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* 函数说明:CS# 拉低后发送 06h 命令再拉高
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*/
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static int gd5f_write_enable(void)
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{
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uint8_t cmd = GD5F_CMD_WRITE_ENABLE;
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GD5F_CS_LOW();
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gd5f_spi_tx(&cmd, 1);
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HAL_SPI_Transmit(&hspi1, &cmd, 1, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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return GD5F_OK;
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}
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/**
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* @brief 读取状态寄存器
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/*
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* 函数功能:读取状态寄存器
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* 入口参数:p_status - 状态值输出指针 uint8_t* 不为 NULL
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* 返回值:0 - 成功
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* 限定条件:SPI 已初始化
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* 函数说明:发送 0Fh + C0h 地址后读取1字节状态值
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*/
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static int gd5f_read_status(uint8_t *status)
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static int gd5f_read_status(uint8_t *p_status)
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{
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uint8_t cmd = GD5F_CMD_GET_FEATURE;
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uint8_t addr = GD5F_REG_STATUS;
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GD5F_CS_LOW();
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gd5f_spi_tx(&cmd, 1);
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gd5f_spi_tx(&addr, 1);
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gd5f_spi_rx(status, 1);
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HAL_SPI_Transmit(&hspi1, &cmd, 1, GD5F_SPI_TIMEOUT);
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HAL_SPI_Transmit(&hspi1, &addr, 1, GD5F_SPI_TIMEOUT);
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HAL_SPI_Receive(&hspi1, p_status, 1, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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return GD5F_OK;
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}
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/**
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* @brief 页读取到缓存(Page Read to Cache)
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* @param page_addr: 页地址(行地址,包含 block + page)
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/*
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* 函数功能:页读取(将数据从存储阵列加载到内部缓存)
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* 入口参数:page_addr - 页地址 uint32_t
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* 返回值:0 - 成功,其他 - 错误码
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* 限定条件:SPI 已初始化
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* 函数说明:发送 13h + 3字节行地址,等待 OIP 清零
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*/
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static int gd5f_page_read(uint32_t page_addr)
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{
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uint8_t cmd[4];
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cmd[0] = GD5F_CMD_PAGE_READ;
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cmd[1] = (page_addr >> 16) & 0xFF;
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cmd[2] = (page_addr >> 8) & 0xFF;
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cmd[3] = page_addr & 0xFF;
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GD5F_CS_LOW();
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gd5f_spi_tx(cmd, 4);
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HAL_SPI_Transmit(&hspi1, cmd, 4, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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return gd5f_wait_busy(100);
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}
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/**
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* @brief 从缓存读取数据(Read from Cache)
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* @param column: 列地址(页内偏移)
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* @param buf: 数据缓冲区
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* @param size: 读取字节数
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/*
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* 函数功能:从内部缓存读取数据
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* 入口参数:column - 列地址(页内偏移) uint16_t 0 - 2047
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* p_buf - 数据输出缓冲区 uint8_t* 不为 NULL
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* size - 读取字节数 size_t > 0
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* 返回值:0 - 成功
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* 限定条件:必须先调用 gd5f_page_read 完成数据加载
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* 函数说明:发送 0Bh + 2字节列地址 +1字节 dummy 后读取数据
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*/
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static int gd5f_read_from_cache(uint16_t column, uint8_t *buf, size_t size)
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static int gd5f_read_from_cache(uint16_t column, uint8_t *p_buf,
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size_t size)
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{
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uint8_t cmd[5];
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uint8_t cmd[4];
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cmd[0] = GD5F_CMD_READ_FROM_CACHE;
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cmd[1] = (column >> 8) & 0xFF;
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cmd[2] = column & 0xFF;
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cmd[3] = 0x00; /* dummy byte */
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cmd[3] = 0x00;
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GD5F_CS_LOW();
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gd5f_spi_tx(cmd, 4);
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gd5f_spi_rx(buf, size);
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HAL_SPI_Transmit(&hspi1, cmd, 4, GD5F_SPI_TIMEOUT);
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HAL_SPI_Receive(&hspi1, p_buf, size, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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return GD5F_OK;
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}
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/**
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* @brief 页编程(从缓存写入阵列)
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* @param page_addr: 页地址
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* @param column: 列地址
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* @param buf: 数据缓冲区
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* @param size: 写入字节数
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/*
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* 函数功能:页编程(将数据写入指定页)
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* 入口参数:page_addr - 页地址 uint32_t
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* column - 列地址 uint16_t 0 - 2047
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* p_buf - 数据缓冲区 const uint8_t*
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* size - 写入字节数 size_t > 0
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* 返回值:0 - 成功,其他 - 错误码
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* 限定条件:目标区域已擦除
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* 函数说明:1. 写使能 - 02h 加载数据 - 10h 执行编程 - 等待完成
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* 2. 编程完成后检查 P_FAIL 位
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*/
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static int gd5f_page_program(uint32_t page_addr, uint16_t column, const uint8_t *buf, size_t size)
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static int gd5f_page_program(uint32_t page_addr, uint16_t column,
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const uint8_t *p_buf, size_t size)
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{
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int ret;
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int ret = GD5F_OK;
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uint8_t cmd[4];
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uint8_t status = 0;
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/* 1. 写使能 */
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gd5f_write_enable();
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/* 2. 数据加载到缓存 (Program Load) */
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cmd[0] = GD5F_CMD_PROGRAM_LOAD;
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cmd[1] = (column >> 8) & 0xFF;
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cmd[2] = column & 0xFF;
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GD5F_CS_LOW();
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gd5f_spi_tx(cmd, 3);
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gd5f_spi_tx(buf, size);
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HAL_SPI_Transmit(&hspi1, cmd, 3, GD5F_SPI_TIMEOUT);
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HAL_SPI_Transmit(&hspi1, (uint8_t *)p_buf, size,
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GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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/* 3. 编程执行 (Program Execute) */
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cmd[0] = GD5F_CMD_PROGRAM_EXEC;
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cmd[1] = (page_addr >> 16) & 0xFF;
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cmd[2] = (page_addr >> 8) & 0xFF;
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cmd[3] = page_addr & 0xFF;
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GD5F_CS_LOW();
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gd5f_spi_tx(cmd, 4);
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HAL_SPI_Transmit(&hspi1, cmd, 4, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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/* 4. 等待完成 */
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ret = gd5f_wait_busy(1000);
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if (ret != GD5F_OK) return ret;
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if (ret != GD5F_OK) {
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return ret;
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}
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/* 5. 检查编程结果 */
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uint8_t status;
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gd5f_read_status(&status);
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if (status & GD5F_STATUS_P_FAIL) {
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/* 清除 P_FAIL:写使能 + 读状态 */
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gd5f_write_enable();
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return GD5F_PROGRAM_FAIL;
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}
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return GD5F_OK;
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}
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/**
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* @brief 块擦除
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* @param block_addr: 块地址 (0 ~ 2047)
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/*
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* 函数功能:设置 Feature 寄存器
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* 入口参数:addr - 寄存器地址 uint8_t
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* data - 写入数据 uint8_t
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* 返回值:0 - 成功
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* 限定条件:SPI 已初始化
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* 函数说明:先写使能,发送 1Fh + 地址 + 数据,等待操作完成
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*/
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static int gd5f_set_feature(uint8_t addr, uint8_t data)
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{
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uint8_t cmd[3];
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gd5f_write_enable();
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cmd[0] = GD5F_CMD_SET_FEATURE;
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cmd[1] = addr;
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cmd[2] = data;
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GD5F_CS_LOW();
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HAL_SPI_Transmit(&hspi1, cmd, 3, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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gd5f_wait_busy(100);
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return GD5F_OK;
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}
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/*
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* 函数功能:块擦除(擦除128KB块)
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* 入口参数:block_addr - 块编号 uint32_t 0 - 2047
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* 返回值:0 - 成功,其他 - 错误码
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* 限定条件:gd5f2gq5ue_init() 已调用
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* 函数说明:1. 写使能 - D8h + 3字节字节地址 - 等待完成
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* 2. 擦除完成后检查 E_FAIL 位
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*/
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static int gd5f_block_erase(uint32_t block_addr)
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{
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int ret;
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int ret = GD5F_OK;
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uint8_t cmd[4];
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uint8_t status = 0;
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uint32_t byte_addr = block_addr * GD5F_BLOCK_SIZE;
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/* 1. 写使能 */
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gd5f_write_enable();
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/* 2. 块擦除命令 */
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cmd[0] = GD5F_CMD_BLOCK_ERASE;
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cmd[1] = (block_addr >> 8) & 0xFF;
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cmd[2] = block_addr & 0xFF;
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cmd[3] = 0x00;
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cmd[1] = (byte_addr >> 16) & 0xFF;
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cmd[2] = (byte_addr >> 8) & 0xFF;
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cmd[3] = byte_addr & 0xFF;
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GD5F_CS_LOW();
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gd5f_spi_tx(cmd, 4);
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HAL_SPI_Transmit(&hspi1, cmd, 4, GD5F_SPI_TIMEOUT);
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GD5F_CS_HIGH();
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/* 3. 等待完成(擦除较慢) */
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ret = gd5f_wait_busy(5000);
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if (ret != GD5F_OK) return ret;
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if (ret != GD5F_OK) {
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return ret;
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}
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/* 4. 检查擦除结果 */
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uint8_t status;
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gd5f_read_status(&status);
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if (status & GD5F_STATUS_E_FAIL) {
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gd5f_write_enable();
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return GD5F_ERASE_FAIL;
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}
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return GD5F_OK;
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}
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/* ===================== 公共接口实现 ===================== */
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/* ======================== 公共函数定义 ======================== */
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/*
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* 函数功能:初始化 GD5F2GQ5UE
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* 入口参数:无
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* 返回值:0 - 成功,其他 - 错误码
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* 限定条件:SPI1 和相关 GPIO 已由 CubeMX 初始化完成
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* 函数说明:1. 发送复位命令并等待完成
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* 2. 读取芯片 ID 并校验
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* 3. 使能内部 ECC (B0h bit4)
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* 4. 解除所有块保护 (A0h = 0x00)
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*/
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int gd5f2gq5ue_init(void)
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{
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int ret;
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uint8_t mid, did;
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int ret = GD5F_OK;
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uint8_t mid = 0;
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uint8_t did = 0;
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/* 确保控制引脚处于非激活状态 */
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GD5F_CS_HIGH();
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GD5F_WP_HIGH();
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GD5F_HOLD_HIGH();
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/* 小延时等待上电稳定 */
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HAL_Delay(10);
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/* 复位芯片 */
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ret = gd5f2gq5ue_reset();
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if (ret != GD5F_OK) return ret;
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if (ret != GD5F_OK) {
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return ret;
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}
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HAL_Delay(5);
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||||
|
||||
/* 读取 ID 验证通信 */
|
||||
ret = gd5f2gq5ue_read_id(&mid, &did);
|
||||
if (ret != GD5F_OK) return ret;
|
||||
if (ret != GD5F_OK) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (mid != GD5F_MANUFACTURER_ID || did != GD5F_DEVICE_ID) {
|
||||
return GD5F_ID_MISMATCH;
|
||||
}
|
||||
|
||||
gd5f_set_feature(0xB0, 0x10);
|
||||
gd5f_wait_busy(100);
|
||||
|
||||
gd5f_set_feature(GD5F_REG_PROTECT, 0x00);
|
||||
gd5f_wait_busy(100);
|
||||
|
||||
return GD5F_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
* 函数功能:读取芯片 ID(MID + DID)
|
||||
* 入口参数:mid - 制造商 ID 输出指针 uint8_t* 不为 NULL
|
||||
* did - 设备 ID 输出指针 uint8_t* 不为 NULL
|
||||
* 返回值:0 - 成功
|
||||
* 限定条件:SPI 已初始化
|
||||
* 函数说明:发送 9Fh 命令后接收1个 dummy + MID + DID
|
||||
*/
|
||||
int gd5f2gq5ue_read_id(uint8_t *mid, uint8_t *did)
|
||||
{
|
||||
uint8_t cmd = GD5F_CMD_READ_ID;
|
||||
uint8_t id_buf[3];
|
||||
uint8_t id_buf[3] = {0};
|
||||
|
||||
GD5F_CS_LOW();
|
||||
gd5f_spi_tx(&cmd, 1);
|
||||
gd5f_spi_rx(id_buf, 3); /* dummy + MID + DID */
|
||||
HAL_SPI_Transmit(&hspi1, &cmd, 1, GD5F_SPI_TIMEOUT);
|
||||
HAL_SPI_Receive(&hspi1, id_buf, 3, GD5F_SPI_TIMEOUT);
|
||||
GD5F_CS_HIGH();
|
||||
|
||||
*mid = id_buf[1]; /* id_buf[0] = dummy */
|
||||
*mid = id_buf[1];
|
||||
*did = id_buf[2];
|
||||
|
||||
return GD5F_OK;
|
||||
}
|
||||
|
||||
int gd5f2gq5ue_read(long offset, uint8_t *buf, size_t size)
|
||||
/*
|
||||
* 函数功能:从 NAND 读取数据(支持跨页)
|
||||
* 入口参数:offset - 起始字节偏移 long 0 ~ 总容量-1
|
||||
* p_buf - 数据缓冲区 uint8_t* 不为 NULL
|
||||
* size - 读取字节数 size_t > 0
|
||||
* 返回值:0 - 成功,其他 - 错误码
|
||||
* 限定条件:gd5f2gq5ue_init() 已成功调用
|
||||
* 函数说明:自动处理跨页读取
|
||||
*/
|
||||
int gd5f2gq5ue_read(long offset, uint8_t *p_buf, size_t size)
|
||||
{
|
||||
int ret;
|
||||
int ret = GD5F_OK;
|
||||
|
||||
while (size > 0) {
|
||||
/* 计算页地址和列偏移 */
|
||||
uint32_t page_addr = offset / GD5F_PAGE_SIZE;
|
||||
uint16_t column = offset % GD5F_PAGE_SIZE;
|
||||
|
||||
/* 本次读取字节数(不超过当前页剩余空间) */
|
||||
size_t bytes = GD5F_PAGE_SIZE - column;
|
||||
if (bytes > size) bytes = size;
|
||||
|
||||
/* Page Read to Cache */
|
||||
if (bytes > size) {
|
||||
bytes = size;
|
||||
}
|
||||
|
||||
ret = gd5f_page_read(page_addr);
|
||||
if (ret != GD5F_OK) return ret;
|
||||
if (ret != GD5F_OK) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Read from Cache */
|
||||
ret = gd5f_read_from_cache(column, buf, bytes);
|
||||
if (ret != GD5F_OK) return ret;
|
||||
ret = gd5f_read_from_cache(column, p_buf, bytes);
|
||||
if (ret != GD5F_OK) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
offset += bytes;
|
||||
buf += bytes;
|
||||
p_buf += bytes;
|
||||
size -= bytes;
|
||||
}
|
||||
|
||||
return GD5F_OK;
|
||||
}
|
||||
|
||||
int gd5f2gq5ue_write(long offset, const uint8_t *buf, size_t size)
|
||||
/*
|
||||
* 函数功能:向 NAND 写入数据(支持跨页)
|
||||
* 入口参数:offset - 起始字节偏移 long 0 ~ 总容量-1
|
||||
* p_buf - 数据缓冲区 const uint8_t* 不为 NULL
|
||||
* size - 写入字节数 size_t > 0
|
||||
* 返回值:0 - 成功,其他 - 错误码
|
||||
* 限定条件:gd5f2gq5ue_init() 已成功调用,目标区域已擦除
|
||||
* 函数说明:自动处理跨页写入
|
||||
*/
|
||||
int gd5f2gq5ue_write(long offset, const uint8_t *p_buf, size_t size)
|
||||
{
|
||||
int ret;
|
||||
int ret = GD5F_OK;
|
||||
|
||||
while (size > 0) {
|
||||
/* 计算页地址和列偏移 */
|
||||
uint32_t page_addr = offset / GD5F_PAGE_SIZE;
|
||||
uint16_t column = offset % GD5F_PAGE_SIZE;
|
||||
|
||||
/* 本次写入字节数(不超过当前页剩余空间) */
|
||||
size_t bytes = GD5F_PAGE_SIZE - column;
|
||||
if (bytes > size) bytes = size;
|
||||
|
||||
/* 页编程 */
|
||||
ret = gd5f_page_program(page_addr, column, buf, bytes);
|
||||
if (ret != GD5F_OK) return ret;
|
||||
if (bytes > size) {
|
||||
bytes = size;
|
||||
}
|
||||
|
||||
ret = gd5f_page_program(page_addr, column, p_buf, bytes);
|
||||
if (ret != GD5F_OK) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
offset += bytes;
|
||||
buf += bytes;
|
||||
p_buf += bytes;
|
||||
size -= bytes;
|
||||
}
|
||||
|
||||
return GD5F_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
* 函数功能:擦除块(按块擦除,最小单位 128KB)
|
||||
* 入口参数:offset - 起始字节偏移 long 必须块对齐
|
||||
* size - 擦除字节数 size_t 必须块大小整数倍
|
||||
* 返回值:0 - 成功,其他 - 错误码
|
||||
* 限定条件:gd5f2gq5ue_init() 已成功调用
|
||||
* 函数说明:擦除操作以块为单位
|
||||
*/
|
||||
int gd5f2gq5ue_erase(long offset, size_t size)
|
||||
{
|
||||
int ret;
|
||||
int ret = GD5F_OK;
|
||||
|
||||
/* 擦除起始地址必须块对齐 */
|
||||
if (offset % GD5F_BLOCK_SIZE != 0) {
|
||||
return GD5F_ERROR;
|
||||
}
|
||||
|
||||
/* 擦除大小必须为块大小的整数倍 */
|
||||
if (size % GD5F_BLOCK_SIZE != 0) {
|
||||
return GD5F_ERROR;
|
||||
}
|
||||
|
||||
/* 逐块擦除 */
|
||||
while (size > 0) {
|
||||
uint32_t block_addr = offset / GD5F_BLOCK_SIZE;
|
||||
|
||||
ret = gd5f_block_erase(block_addr);
|
||||
if (ret != GD5F_OK) return ret;
|
||||
if (ret != GD5F_OK) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
offset += GD5F_BLOCK_SIZE;
|
||||
size -= GD5F_BLOCK_SIZE;
|
||||
@@ -353,12 +453,19 @@ int gd5f2gq5ue_erase(long offset, size_t size)
|
||||
return GD5F_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
* 函数功能:复位芯片
|
||||
* 入口参数:无
|
||||
* 返回值:0 - 成功
|
||||
* 限定条件:SPI 已初始化
|
||||
* 函数说明:发送 FFh 复位命令后等待 5ms
|
||||
*/
|
||||
int gd5f2gq5ue_reset(void)
|
||||
{
|
||||
uint8_t cmd = GD5F_CMD_RESET;
|
||||
|
||||
GD5F_CS_LOW();
|
||||
gd5f_spi_tx(&cmd, 1);
|
||||
HAL_SPI_Transmit(&hspi1, &cmd, 1, GD5F_SPI_TIMEOUT);
|
||||
GD5F_CS_HIGH();
|
||||
|
||||
HAL_Delay(5);
|
||||
|
||||
Reference in New Issue
Block a user