bsp_w25q64.h:
#ifndef __W25Qxx_H
#define __W25Qxx_H/* Includes ------------------------------------------------------------------*//***** W25Q128 单位字节*****/
#define W25Q128FV_FLASH_SIZE 0x1000000 /* 128 MBits => 16MBytes */
#define W25Q128FV_SECTOR_SIZE 0x10000 /* 256 sectors of 64KBytes */
#define W25Q128FV_SUBSECTOR_SIZE 0x1000 /* 4096 subsectors of 4kBytes */
#define W25Q128FV_PAGE_SIZE 0x100 /* 65536 pages of 256 bytes */#define W25Q128FV_DUMMY_CYCLES_READ 4
#define W25Q128FV_DUMMY_CYCLES_READ_QUAD 10#define W25Q128FV_BULK_ERASE_MAX_TIME 250000
#define W25Q128FV_SECTOR_ERASE_MAX_TIME 3000
#define W25Q128FV_SUBSECTOR_ERASE_MAX_TIME 800/***** W25Q64 单位字节*****/
#define W25Q64FV_FLASH_SIZE 0x800000 /* 64 MBits => 8MBytes */
#define W25Q64FV_SECTOR_SIZE 0x10000 /* 128 sectors of 64KBytes */
#define W25Q64FV_SUBSECTOR_SIZE 0x1000 /* 2048 subsectors of 4kBytes */
#define W25Q64FV_SUBSECTOR_NUM 0x800
#define W25Q64FV_PAGE_SIZE 0x100 /* 32768 pages of 256 bytes */#define W25Q64_FLASH_ID 0xEF16#define W25Qx_TIMEOUT_VALUE 1000/* Reset Operations */
#define RESET_ENABLE_CMD 0x66
#define RESET_MEMORY_CMD 0x99#define ENTER_QPI_MODE_CMD 0x38
#define EXIT_QPI_MODE_CMD 0xFF/* Identification Operations */
#define READ_ID_CMD 0x90
#define DUAL_READ_ID_CMD 0x92
#define QUAD_READ_ID_CMD 0x94
#define READ_JEDEC_ID_CMD 0x9F/* Read Operations */
#define READ_CMD 0x03
#define FAST_READ_CMD 0x0B
#define DUAL_OUT_FAST_READ_CMD 0x3B
#define DUAL_INOUT_FAST_READ_CMD 0xBB
#define QUAD_OUT_FAST_READ_CMD 0x6B
#define QUAD_INOUT_FAST_READ_CMD 0xEB/* Write Operations */
#define WRITE_ENABLE_CMD 0x06
#define WRITE_DISABLE_CMD 0x04/* Register Operations */
#define READ_STATUS_REG1_CMD 0x05
#define READ_STATUS_REG2_CMD 0x35
#define READ_STATUS_REG3_CMD 0x15#define WRITE_STATUS_REG1_CMD 0x01
#define WRITE_STATUS_REG2_CMD 0x31
#define WRITE_STATUS_REG3_CMD 0x11/* Program Operations */
#define PAGE_PROG_CMD 0x02
#define QUAD_INPUT_PAGE_PROG_CMD 0x32/* Erase Operations */
#define SECTOR_ERASE_CMD 0x20
#define CHIP_ERASE_CMD 0xC7#define PROG_ERASE_RESUME_CMD 0x7A
#define PROG_ERASE_SUSPEND_CMD 0x75/* Flag Status Register */
#define W25Q128FV_FSR_BUSY ((uint8_t)0x01) /*!< busy */
#define W25Q128FV_FSR_WREN ((uint8_t)0x02) /*!< write enable */
#define W25Q128FV_FSR_QE ((uint8_t)0x02) /*!< quad enable */#define W25QX_SPI_Handler &hspi2
#define W25QX_SPI SPI2
#define USE_DMA 1 //目前实现不了DMA读写，会出错
#define W25Qx_Enable() HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_RESET)
#define W25Qx_Disable() HAL_GPIO_WritePin(FLASH_CS_GPIO_Port, FLASH_CS_Pin, GPIO_PIN_SET)#define W25Qx_OK ((uint8_t)0x00)
#define W25Qx_ERROR ((uint8_t)0x01)
#define W25Qx_BUSY ((uint8_t)0x02)
#define W25Qx_TIMEOUT ((uint8_t)0x03)uint8_t BSP_W25Qx_Init(void);
static void BSP_W25Qx_Reset(void);
static uint8_t BSP_W25Qx_GetStatus(void);
uint8_t BSP_W25Qx_WriteEnable(void);
void BSP_W25Qx_Read_ID(uint8_t *ID);
uint8_t BSP_W25Qx_Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size);
uint8_t BSP_W25Qx_Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size);
uint8_t BSP_W25Qx_Erase_Block(uint32_t Address);
uint8_t BSP_W25Qx_Erase_Chip(void);
void BSP_W25QX_Test(void);#endif bsp_w25q64.c:
#include "bsp_W25q64.h"/*********************************************************************************** 函数功能: 模块初始化*/
uint8_t BSP_W25Qx_Init(void)
{ BSP_W25Qx_Reset(); return BSP_W25Qx_GetStatus();
}static void BSP_W25Qx_Reset(void)
{uint8_t cmd[2] = {RESET_ENABLE_CMD,RESET_MEMORY_CMD};W25Qx_Enable();/* Send the reset command */HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 2, W25Qx_TIMEOUT_VALUE); W25Qx_Disable();}/*********************************************************************************** 函数功能: 获取设备状态*/
static uint8_t BSP_W25Qx_GetStatus(void)
{uint8_t cmd[] = {READ_STATUS_REG1_CMD};uint8_t status;W25Qx_Enable();HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 1, W25Qx_TIMEOUT_VALUE); HAL_SPI_Receive(W25QX_SPI_Handler,&status, 1, W25Qx_TIMEOUT_VALUE); W25Qx_Disable();/* Check the value of the register */if((status & W25Q128FV_FSR_BUSY) != 0){return W25Qx_BUSY;}else{return W25Qx_OK;}
}/*********************************************************************************** 函数功能: 写使能*/
uint8_t BSP_W25Qx_WriteEnable(void)
{uint8_t cmd[] = {WRITE_ENABLE_CMD};uint32_t tickstart = HAL_GetTick();/*Select the FLASH: Chip Select low */W25Qx_Enable();/* Send the read ID command */HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 1, W25Qx_TIMEOUT_VALUE); /*Deselect the FLASH: Chip Select high */W25Qx_Disable();/* Wait the end of Flash writing */while(BSP_W25Qx_GetStatus() == W25Qx_BUSY){/* Check for the Timeout */if((HAL_GetTick() - tickstart) > W25Qx_TIMEOUT_VALUE){ return W25Qx_TIMEOUT;}}return W25Qx_OK;
}/*********************************************************************************** 函数功能: 获取设备ID*/
void BSP_W25Qx_Read_ID(uint8_t *ID)
{uint8_t cmd[4] = {READ_ID_CMD,0x00,0x00,0x00};W25Qx_Enable();HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 4, W25Qx_TIMEOUT_VALUE); HAL_SPI_Receive(W25QX_SPI_Handler,ID, 2, W25Qx_TIMEOUT_VALUE);W25Qx_Disable();}/*********************************************************************************** 函数功能: 读数据* 输入参数: 缓存数组指针、读地址、字节数*/
uint8_t BSP_W25Qx_Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size)
{uint8_t cmd[4];/* Configure the command */cmd[0] = READ_CMD;cmd[1] = (uint8_t)(ReadAddr >> 16);cmd[2] = (uint8_t)(ReadAddr >> 8);cmd[3] = (uint8_t)(ReadAddr);W25Qx_Enable();/* Send the read ID command */HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 4, W25Qx_TIMEOUT_VALUE); /* Reception of the data */if (HAL_SPI_Receive(W25QX_SPI_Handler, pData,Size,W25Qx_TIMEOUT_VALUE) != HAL_OK){return W25Qx_ERROR;}W25Qx_Disable();return W25Qx_OK;
}/*********************************************************************************** 函数功能: 写数据* 输入参数: 缓存数组指针、写地址、字节数*/
uint8_t BSP_W25Qx_Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size)
{uint8_t cmd[4];uint32_t end_addr, current_size, current_addr;uint32_t tickstart = HAL_GetTick();/* Calculation of the size between the write address and the end of the page */current_addr = 0;while (current_addr <= WriteAddr){current_addr += W25Q128FV_PAGE_SIZE;}current_size = current_addr - WriteAddr;/* Check if the size of the data is less than the remaining place in the page */if (current_size > Size){current_size = Size;}/* Initialize the adress variables */current_addr = WriteAddr;end_addr = WriteAddr + Size;/* Perform the write page by page */do{/* Configure the command */cmd[0] = PAGE_PROG_CMD;cmd[1] = (uint8_t)(current_addr >> 16);cmd[2] = (uint8_t)(current_addr >> 8);cmd[3] = (uint8_t)(current_addr);/* Enable write operations */BSP_W25Qx_WriteEnable();W25Qx_Enable();/* Send the command */if (HAL_SPI_Transmit(W25QX_SPI_Handler,cmd, 4, W25Qx_TIMEOUT_VALUE) != HAL_OK){return W25Qx_ERROR;}/* Transmission of the data */if (HAL_SPI_Transmit(W25QX_SPI_Handler, pData,current_size, W25Qx_TIMEOUT_VALUE) != HAL_OK){return W25Qx_ERROR;}W25Qx_Disable();/* Wait the end of Flash writing */while(BSP_W25Qx_GetStatus() == W25Qx_BUSY){/* Check for the Timeout */if((HAL_GetTick() - tickstart) > W25Qx_TIMEOUT_VALUE){ return W25Qx_TIMEOUT;}}/* Update the address and size variables for next page programming */current_addr += current_size;pData += current_size;current_size = ((current_addr + W25Q128FV_PAGE_SIZE) > end_addr) ? (end_addr - current_addr) : W25Q128FV_PAGE_SIZE;} while (current_addr < end_addr);return W25Qx_OK;
}/*********************************************************************************** 函数功能: 块擦除* 输入参数: 地址*/
uint8_t BSP_W25Qx_Erase_Block(uint32_t Address)
{uint8_t cmd[4];uint32_t tickstart = HAL_GetTick();cmd[0] = SECTOR_ERASE_CMD;cmd[1] = (uint8_t)(Address >> 16);cmd[2] = (uint8_t)(Address >> 8);cmd[3] = (uint8_t)(Address);/* Enable write operations */BSP_W25Qx_WriteEnable();/*Select the FLASH: Chip Select low */W25Qx_Enable();/* Send the SECTOR_ERASE command */HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 4, W25Qx_TIMEOUT_VALUE); /*Deselect the FLASH: Chip Select high */W25Qx_Disable();/* Wait the end of Flash writing */while(BSP_W25Qx_GetStatus() == W25Qx_BUSY){/* Check for the Timeout */if((HAL_GetTick() - tickstart) > W25Q128FV_SECTOR_ERASE_MAX_TIME){ return W25Qx_TIMEOUT;}}return W25Qx_OK;
}/*********************************************************************************** 函数功能: 芯片擦除*/
uint8_t BSP_W25Qx_Erase_Chip(void)
{uint8_t cmd[4];uint32_t tickstart = HAL_GetTick();cmd[0] = CHIP_ERASE_CMD;/* Enable write operations */BSP_W25Qx_WriteEnable();/*Select the FLASH: Chip Select low */W25Qx_Enable();/* Send the CHIP_ERASE command */HAL_SPI_Transmit(W25QX_SPI_Handler, cmd, 1, W25Qx_TIMEOUT_VALUE); /*Deselect the FLASH: Chip Select high */W25Qx_Disable();/* Wait the end of Flash writing */while(BSP_W25Qx_GetStatus() != W25Qx_BUSY){/* Check for the Timeout */if((HAL_GetTick() - tickstart) > W25Q128FV_BULK_ERASE_MAX_TIME){ return W25Qx_TIMEOUT;}}return W25Qx_OK;
}void BSP_W25QX_Test(void)
{uint8_t wData[0x100]; //写缓存数组uint8_t rData[0x100]; //读缓存数组uint8_t ID[4]; //设备ID缓存数组uint32_t i;printf("\r\n SPI-W25Qxx Example \r\n\r\n");/*-Step1- 验证设备ID ************************************************Step1*/ BSP_W25Qx_Init();BSP_W25Qx_Read_ID(ID);//第一位厂商ID固定0xEF,第二位设备ID根据容量不同,具体为：//W25Q16为0x14、32为0x15、40为0x12、64为0x16、80为0x13、128为0x17//if((ID[0] != 0xEF) | (ID[1] != 0x16)) if((ID[0] != W25Q64_FLASH_ID >> 8) | (ID[1] != (W25Q64_FLASH_ID&0xFF))){ printf("something wrong in Step1 \r\n");}else{printf(" W25Qxx ID is : ");for(i=0;i<2;i++){printf("0x%02X ",ID[i]);}printf("\r\n");}/*-Step2- 擦除块 ************************************************Step2*/ if(BSP_W25Qx_Erase_Block(0) == W25Qx_OK)printf(" QSPI Erase Block OK!\r\n");elseprintf("something wrong in Step2\r\n");/*-Step3- 写数据 ************************************************Step3*/ for(i =0;i<0x100;i ++){wData[i] = i;rData[i] = 0;}if(BSP_W25Qx_Write(wData,0x00,0x100)== W25Qx_OK)printf(" QSPI Write OK!\r\n");elseprintf("something wrong in Step3\r\n");/*-Step4- 读数据 ************************************************Step4*/ if(BSP_W25Qx_Read(rData,0x00,0x100)== W25Qx_OK)printf(" QSPI Read ok\r\n\r\n");elseprintf("something wrong in Step4\r\n");printf("QSPI Read Data : \r\n");for(i =0;i<0x100;i++)printf("0x%02X ",rData[i]);printf("\r\n\r\n");/*-Step5- 数据对比 ************************************************Step5*/ if(memcmp(wData,rData,0x100) == 0 ) printf(" W25Q64FV QuadSPI Test OK\r\n");elseprintf(" W25Q64FV QuadSPI Test False\r\n");}参考文章：STM32系列(HAL库)——F103C8T6通过SPI方式读写W25Q64—(Flash存储模块)_stm32f1 w25q215 hal-CSDN博客
