你的有没有写进去我不知道,我的必须写进去了,否则后续的DMA操作是无法正常执行的。
[C] 纯文本查看 复制代码 /**
* @brief Set the command configuration.
* @param hqspi: QSPI handle
* @param cmd : structure that contains the command configuration information
* @param Timeout : Timeout duration
* @note This function is used only in Indirect Read or Write Modes
* @retval HAL status
*/
HAL_StatusTypeDef HAL_QSPI_Command(QSPI_HandleTypeDef *hqspi, QSPI_CommandTypeDef *cmd, uint32_t Timeout)
{
HAL_StatusTypeDef status = HAL_ERROR;
uint32_t tickstart = HAL_GetTick();
/* Check the parameters */
assert_param(IS_QSPI_INSTRUCTION_MODE(cmd->InstructionMode));
if (cmd->InstructionMode != QSPI_INSTRUCTION_NONE)
{
assert_param(IS_QSPI_INSTRUCTION(cmd->Instruction));
}
assert_param(IS_QSPI_ADDRESS_MODE(cmd->AddressMode));
if (cmd->AddressMode != QSPI_ADDRESS_NONE)
{
assert_param(IS_QSPI_ADDRESS_SIZE(cmd->AddressSize));
}
assert_param(IS_QSPI_ALTERNATE_BYTES_MODE(cmd->AlternateByteMode));
if (cmd->AlternateByteMode != QSPI_ALTERNATE_BYTES_NONE)
{
assert_param(IS_QSPI_ALTERNATE_BYTES_SIZE(cmd->AlternateBytesSize));
}
assert_param(IS_QSPI_DUMMY_CYCLES(cmd->DummyCycles));
assert_param(IS_QSPI_DATA_MODE(cmd->DataMode));
assert_param(IS_QSPI_DDR_MODE(cmd->DdrMode));
assert_param(IS_QSPI_DDR_HHC(cmd->DdrHoldHalfCycle));
assert_param(IS_QSPI_SIOO_MODE(cmd->SIOOMode));
/* Process locked */
__HAL_LOCK(hqspi);
if(hqspi->State == HAL_QSPI_STATE_READY)
{
hqspi->ErrorCode = HAL_QSPI_ERROR_NONE;
/* Update QSPI state */
hqspi->State = HAL_QSPI_STATE_BUSY;
/* Wait till BUSY flag reset */
status = QSPI_WaitFlagStateUntilTimeout(hqspi, QSPI_FLAG_BUSY, RESET, tickstart, Timeout);
if (status == HAL_OK)
{
/* Call the configuration function */
QSPI_Config(hqspi, cmd, QSPI_FUNCTIONAL_MODE_INDIRECT_WRITE);
if (cmd->DataMode == QSPI_DATA_NONE)
{
/* When there is no data phase, the transfer start as soon as the configuration is done
so wait until TC flag is set to go back in idle state */
status = QSPI_WaitFlagStateUntilTimeout(hqspi, QSPI_FLAG_TC, SET, tickstart, Timeout);
if (status == HAL_OK)
{
__HAL_QSPI_CLEAR_FLAG(hqspi, QSPI_FLAG_TC);
/* Update QSPI state */
hqspi->State = HAL_QSPI_STATE_READY;
}
}
else
{
/* Update QSPI state */
hqspi->State = HAL_QSPI_STATE_READY;
}
}
}
else
{
status = HAL_BUSY;
}
/* Process unlocked */
__HAL_UNLOCK(hqspi);
/* Return function status */
return status;
} |