336 lines
9.9 KiB
C
336 lines
9.9 KiB
C
/**
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******************************************************************************
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* @file bsp_qspi_flash.c
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* @author fire
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* @version V1.0
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* @date 2019-xx-xx
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* @brief qspi flash 底层应用函数bsp
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******************************************************************************
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* @attention
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*
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* 实验平台:野火STM32 H750 开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************************
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*/
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#include "./flash/bsp_qspi_flash.h"
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QSPI_HandleTypeDef QSPIHandle;
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/**
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* @brief QSPI_FLASH引脚初始化
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* @param 无
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* @retval 无
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*/
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void QSPI_FLASH_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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/* 使能 QSPI 及 GPIO 时钟 */
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QSPI_FLASH_CLK_ENABLE();
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QSPI_FLASH_CLK_GPIO_ENABLE();
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QSPI_FLASH_BK1_IO0_CLK_ENABLE();
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QSPI_FLASH_BK1_IO1_CLK_ENABLE();
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QSPI_FLASH_BK1_IO2_CLK_ENABLE();
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QSPI_FLASH_BK1_IO3_CLK_ENABLE();
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QSPI_FLASH_CS_GPIO_CLK_ENABLE();
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//设置引脚
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/*!< 配置 QSPI_FLASH 引脚: CLK */
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GPIO_InitStruct.Pin = QSPI_FLASH_CLK_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = QSPI_FLASH_CLK_GPIO_AF;
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HAL_GPIO_Init(QSPI_FLASH_CLK_GPIO_PORT, &GPIO_InitStruct);
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/*!< 配置 QSPI_FLASH 引脚: IO0 */
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GPIO_InitStruct.Pin = QSPI_FLASH_BK1_IO0_PIN;
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GPIO_InitStruct.Alternate = QSPI_FLASH_BK1_IO0_AF;
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HAL_GPIO_Init(QSPI_FLASH_BK1_IO0_PORT, &GPIO_InitStruct);
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/*!< 配置 QSPI_FLASH 引脚: IO1 */
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GPIO_InitStruct.Pin = QSPI_FLASH_BK1_IO1_PIN;
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GPIO_InitStruct.Alternate = QSPI_FLASH_BK1_IO1_AF;
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HAL_GPIO_Init(QSPI_FLASH_BK1_IO1_PORT, &GPIO_InitStruct);
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/*!< 配置 QSPI_FLASH 引脚: IO2 */
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GPIO_InitStruct.Pin = QSPI_FLASH_BK1_IO2_PIN;
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GPIO_InitStruct.Alternate = QSPI_FLASH_BK1_IO2_AF;
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HAL_GPIO_Init(QSPI_FLASH_BK1_IO2_PORT, &GPIO_InitStruct);
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/*!< 配置 QSPI_FLASH 引脚: IO3 */
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GPIO_InitStruct.Pin = QSPI_FLASH_BK1_IO3_PIN;
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GPIO_InitStruct.Alternate = QSPI_FLASH_BK1_IO3_AF;
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HAL_GPIO_Init(QSPI_FLASH_BK1_IO3_PORT, &GPIO_InitStruct);
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/*!< 配置 SPI_FLASH_SPI 引脚: NCS */
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GPIO_InitStruct.Pin = QSPI_FLASH_CS_PIN;
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GPIO_InitStruct.Alternate = QSPI_FLASH_CS_GPIO_AF;
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HAL_GPIO_Init(QSPI_FLASH_CS_GPIO_PORT, &GPIO_InitStruct);
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HAL_QSPI_DeInit(&QSPIHandle);
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/* QSPI_FLASH 模式配置 */
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QSPIHandle.Instance = QUADSPI;
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/*二分频，时钟为240/(1+1)=120MHz */
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QSPIHandle.Init.ClockPrescaler = 1;
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/*FIFO 阈值为 4 个字节*/
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QSPIHandle.Init.FifoThreshold = 1;
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/*采样移位半个周期*/
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QSPIHandle.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE;
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/*Flash大小32M字节，2^25，所以取权值25-1=24*/
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QSPIHandle.Init.FlashSize = 24;
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/*片选高电平保持时间，至少50ns，对应周期数6*9.2ns =55.2ns*/
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QSPIHandle.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_6_CYCLE;
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/*时钟模式选择模式0，nCS为高电平（片选释放）时，CLK必须保持低电平*/
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QSPIHandle.Init.ClockMode = QSPI_CLOCK_MODE_0;
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/*根据硬件连接选择第一片Flash*/
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QSPIHandle.Init.FlashID = QSPI_FLASH_ID_1;
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/*使能双闪存模式*/
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QSPIHandle.Init.DualFlash= QSPI_DUALFLASH_DISABLE;
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HAL_QSPI_Init(&QSPIHandle);
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/*初始化QSPI接口*/
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BSP_QSPI_Init();
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}
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/**
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* @brief 配置QSPI为内存映射模式
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* @retval QSPI内存状态
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*/
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static uint32_t QSPI_EnableMemoryMappedMode(QSPI_HandleTypeDef *hqspi)
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{
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QSPI_CommandTypeDef s_command;
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QSPI_MemoryMappedTypeDef s_mem_mapped_cfg;
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/* 配置读指令 */
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s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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s_command.Instruction = QUAD_INOUT_4BYTE_FAST_READ_CMD;
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s_command.AddressMode = QSPI_ADDRESS_4_LINES;
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s_command.AddressSize = QSPI_ADDRESS_32_BITS;
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s_command.DataMode = QSPI_DATA_4_LINES;
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s_command.DummyCycles = 6;
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s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
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s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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/* 配置内存映射模式 */
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s_mem_mapped_cfg.TimeOutActivation = QSPI_TIMEOUT_COUNTER_DISABLE;
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s_mem_mapped_cfg.TimeOutPeriod = 0;
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if (HAL_QSPI_MemoryMapped(hqspi, &s_command, &s_mem_mapped_cfg) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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return QSPI_OK;
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}
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/**
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* @brief This function reset the QSPI memory.
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* @param hqspi: QSPI handle
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* @retval None
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*/
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static uint32_t QSPI_ResetMemory(QSPI_HandleTypeDef *hqspi)
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{
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QSPI_CommandTypeDef s_command;
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/* 使能写操作 */
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if (QSPI_WriteEnable() != QSPI_OK)
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{
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return QSPI_ERROR;
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}
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/* 初始化复位使能命令 */
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s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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s_command.Instruction = RESET_MEMORY_CMD;
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s_command.AddressMode = QSPI_ADDRESS_NONE;
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s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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s_command.DataMode = QSPI_DATA_NONE;
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s_command.DummyCycles = 0;
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s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
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s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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/* 发送复位flash命令 */
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if (HAL_QSPI_Command(hqspi, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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/* 轮询等待flash就绪 */
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if (QSPI_AutoPollingMemReady() != QSPI_OK)
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{
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return QSPI_ERROR;
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}
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return QSPI_OK;
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}
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/**
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* @brief 初始化QSPI存储器
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* @retval QSPI存储器状态
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*/
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uint8_t BSP_QSPI_Init(void)
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{
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QSPI_CommandTypeDef s_command;
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uint8_t value = 0X06;
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/* 使能写操作 */
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if (QSPI_WriteEnable() != QSPI_OK)
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{
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return QSPI_ERROR;
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}
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/* 设置四路使能的状态寄存器，使能四通道IO2和IO3引脚 */
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s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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s_command.Instruction = WRITE_STATUS_REG1_CMD;
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s_command.AddressMode = QSPI_ADDRESS_NONE;
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s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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s_command.DataMode = QSPI_DATA_1_LINE;
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s_command.DummyCycles = 0;
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s_command.NbData = 1;
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s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
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s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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/* 配置命令 */
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if (HAL_QSPI_Command(&QSPIHandle, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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/* 传输数据 */
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if (HAL_QSPI_Transmit(&QSPIHandle, &value,HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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/* 自动轮询模式等待存储器就绪 */
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if (QSPI_AutoPollingMemReady() != QSPI_OK)
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{
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return QSPI_ERROR;
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}
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/* QSPI memory reset */
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if (QSPI_ResetMemory(&QSPIHandle) != QSPI_OK)
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{
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return QSPI_ERROR;
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}
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QSPI_EnterFourBytesAddress();
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/* Enable MemoryMapped mode */
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if( QSPI_EnableMemoryMappedMode(&QSPIHandle) != QSPI_OK )
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{
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return QSPI_ERROR;
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}
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return QSPI_OK;
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}
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/**
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* @brief 设置QSPI存储器为4-byte地址模式
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* @param 无
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* @retval 返回状态
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*/
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uint8_t QSPI_EnterFourBytesAddress(void)
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{
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QSPI_CommandTypeDef s_command;
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/* Initialize the command */
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s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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s_command.Instruction = ENTER_4_BYTE_ADDR_MODE_CMD;
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s_command.AddressMode = QSPI_ADDRESS_NONE;
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s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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s_command.DataMode = QSPI_DATA_NONE;
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s_command.DummyCycles = 0;
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s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
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s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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/* 使能写操作 */
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QSPI_WriteEnable();
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/* 传输命令 */
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if (HAL_QSPI_Command(&QSPIHandle, &s_command,HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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/* 自动轮询模式等待存储器就绪 */
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if (QSPI_AutoPollingMemReady() != QSPI_OK)
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{
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return QSPI_ERROR;
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}
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return QSPI_OK;
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}
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/**
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* @brief 发送写入使能，等待它有效.
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* @param QSPIHandle: QSPI句柄
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* @retval 无
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*/
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static uint8_t QSPI_WriteEnable()
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{
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QSPI_CommandTypeDef sCommand;
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QSPI_AutoPollingTypeDef s_config;
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/* 启用写操作 */
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sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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sCommand.Instruction = WRITE_ENABLE_CMD;
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sCommand.AddressMode = QSPI_ADDRESS_NONE;
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sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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sCommand.DataMode = QSPI_DATA_NONE;
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sCommand.DummyCycles = 0;
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sCommand.DdrMode = QSPI_DDR_MODE_DISABLE;
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sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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if (HAL_QSPI_Command(&QSPIHandle, &sCommand, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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/* 配置自动轮询模式等待写启用 */
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s_config.Match = W25Q256JV_FSR_WREN;
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s_config.Mask = W25Q256JV_FSR_WREN;
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s_config.MatchMode = QSPI_MATCH_MODE_AND;
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s_config.StatusBytesSize = 2;
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s_config.Interval = 0x10;
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s_config.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
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sCommand.Instruction = READ_STATUS_REG1_CMD;
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sCommand.DataMode = QSPI_DATA_1_LINE;
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sCommand.NbData = 1;
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if (HAL_QSPI_AutoPolling(&QSPIHandle, &sCommand, &s_config, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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return QSPI_OK;
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}
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/**
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* @brief 读取存储器的SR并等待EOP
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* @param 无
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* @retval 无
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*/
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static uint8_t QSPI_AutoPollingMemReady(void)
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{
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QSPI_CommandTypeDef s_command;
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QSPI_AutoPollingTypeDef s_config;
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/* 配置自动轮询模式等待存储器准备就绪 */
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s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
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s_command.Instruction = READ_STATUS_REG1_CMD;
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s_command.AddressMode = QSPI_ADDRESS_NONE;
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s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
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s_command.DataMode = QSPI_DATA_1_LINE;
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s_command.DummyCycles = 0;
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s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
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s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
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s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
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s_config.Match = 0x00;
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s_config.Mask = W25Q256JV_FSR_BUSY;
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s_config.MatchMode = QSPI_MATCH_MODE_AND;
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s_config.StatusBytesSize = 2;
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s_config.Interval = 0x10;
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s_config.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
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if (HAL_QSPI_AutoPolling(&QSPIHandle, &s_command, &s_config,HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
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{
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return QSPI_ERROR;
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}
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return QSPI_OK;
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}
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/*********************************************END OF FILE**********************/
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