|
|
环境：STM32H750，QSPI，W25Q128JV，IAR,JLINK
//QSPI初始化
static void MX_QUADSPI_Init(void)
{
/* USER CODE BEGIN QUADSPI_Init 0 */
/* USER CODE END QUADSPI_Init 0 */
/* USER CODE BEGIN QUADSPI_Init 1 */
/* USER CODE END QUADSPI_Init 1 */
/* QUADSPI parameter configuration*/
hqspi.Instance = QUADSPI;
hqspi.Init.ClockPrescaler = 1;
hqspi.Init.FifoThreshold = 4;
hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE;
hqspi.Init.FlashSize = 23;
hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_6_CYCLE;
hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0;
hqspi.Init.FlashID = QSPI_FLASH_ID_1;
hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE;
if (HAL_QSPI_Init(&hqspi) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN QUADSPI_Init 2 */
/* USER CODE END QUADSPI_Init 2 */
}
/**
* @brief 读取存储器的SR并等待EOP
* @param qspiFlash: QSPI句柄
* @param Timeout 超时
* @retval 无
*/
static uint8_t QSPI_AutoPollingMemReady(uint32_t Timeout)
{
QSPI_CommandTypeDef s_command;
QSPI_AutoPollingTypeDef s_config;
/* 配置自动轮询模式等待存储器准备就绪 */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
s_command.Instruction = READ_STATUS_REG1_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.DataMode = QSPI_DATA_1_LINE;
s_command.DummyCycles = 0;
s_config.Match = 0x00;
s_config.Mask = W25Q128FV_FSR_BUSY;
s_config.MatchMode = QSPI_MATCH_MODE_AND;
s_config.StatusBytesSize = 1;
s_config.Interval = 0x20;
s_config.AutomaticStop = QSPI_AUTOMATIC_STOP_ENABLE;
if (HAL_QSPI_AutoPolling(&qspiFlash, &s_command, &s_config, Timeout) != HAL_OK)
return QSPI_ERROR;
return QSPI_OK;
}
//复位QSPI存储器。
static uint8_t QSPI_ResetMemory()
{
QSPI_CommandTypeDef s_command;
/* 初始化复位使能命令 */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
s_command.Instruction = RESET_ENABLE_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.DataMode = QSPI_DATA_NONE;
s_command.DummyCycles = 0;
/* 发送命令 */
if (HAL_QSPI_Command(&qspiFlash, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
return QSPI_ERROR;
/* 发送复位存储器命令 */
s_command.Instruction = RESET_MEMORY_CMD;
if (HAL_QSPI_Command(&qspiFlash, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
return QSPI_ERROR;
bsp_Delayus(100);
/* 配置自动轮询模式等待存储器就绪 */
if (QSPI_AutoPollingMemReady(HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != QSPI_OK)
return QSPI_ERROR;
return QSPI_OK;
}
/**
* @brief 初始化QSPI存储器
* @retval QSPI存储器状态
*/
uint8_t BSP_QSPI_Init(void)
{
QSPI_CommandTypeDef s_command;
uint8_t value = W25Q128FV_FSR_QE;
/* QSPI存储器复位 */
if (QSPI_ResetMemory() != QSPI_OK)
return QSPI_NOT_SUPPORTED;
/* 使能写操作 */
if (QSPI_WriteEnable() != QSPI_OK)
return QSPI_ERROR;
/* 设置四路使能的状态寄存器，使能四通道IO2和IO3引脚 */
s_command.InstructionMode = QSPI_INSTRUCTION_1_LINE;
s_command.AddressSize = QSPI_ADDRESS_24_BITS;
s_command.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE;
s_command.DdrMode = QSPI_DDR_MODE_DISABLE;
s_command.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY;
s_command.SIOOMode = QSPI_SIOO_INST_EVERY_CMD;
s_command.Instruction = WRITE_STATUS_REG2_CMD;
s_command.AddressMode = QSPI_ADDRESS_NONE;
s_command.DataMode = QSPI_DATA_1_LINE;
s_command.DummyCycles = 0;
s_command.NbData = 1;
/* 配置命令 */
if (HAL_QSPI_Command(&qspiFlash, &s_command, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
return QSPI_ERROR;
/* 传输数据 */
if (HAL_QSPI_Transmit(&qspiFlash, &value, HAL_QPSI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
return QSPI_ERROR;
/* 自动轮询模式等待存储器就绪 */
if (QSPI_AutoPollingMemReady(W25Q128FV_SUBSECTOR_ERASE_MAX_TIME) != QSPI_OK)
return QSPI_ERROR;
return QSPI_OK;
}
|
|
发表于 2019-1-14 10:14:08
楼主
