HAL_StatusTypeDef HAL_DSI_LongWrite(DSI_HandleTypeDef *hdsi,
uint32_t ChannelID,
uint32_t Mode,
uint32_t NbParams,
uint32_t Param1,
uint8_t *ParametersTable)
{
uint32_t uicounter, nbBytes, count;
uint32_t tickstart;
uint32_t fifoword;
uint8_t *pparams = ParametersTable;
/* Process locked */
__HAL_LOCK(hdsi);
/* Check the parameters */
assert_param(IS_DSI_LONG_WRITE_PACKET_TYPE(Mode));
/* Get tick */
tickstart = HAL_GetTick();
/* Wait for Command FIFO Empty */
while ((hdsi->Instance->GPSR & DSI_GPSR_CMDFE) == 0U)
{
/* Check for the Timeout */
if ((HAL_GetTick() - tickstart) > DSI_TIMEOUT_VALUE)
{
/* Process Unlocked */
__HAL_UNLOCK(hdsi);
return HAL_TIMEOUT;
}
}
My STM32F469 with DSI LCD works ok. But on start and init LCD when sending commands sometimes display dont init. I debug and found this return used.
I need help . How deal with this?
