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Fix a bug in multi-part PCD transmit

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This commit is contained in:
MightyPork
2018-03-05 10:20:52 +01:00
parent b76f9f66b3
commit 4f34d43b3a
2 changed files with 9 additions and 6 deletions
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Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pcd.c
+8 -5
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@@ -1121,6 +1121,8 @@ PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd)
* @}
*/
#pragma GCC push_options //GEX addition
#pragma GCC optimize ("O2")
/** @addtogroup PCD_Private_Functions
* @{
*/
@@ -1179,6 +1181,7 @@ void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, ui
*pbUsrBuf++ = ((temp >> 0) & 0xFF);
}
}
#pragma GCC pop_options //GEX addition
/**
* @brief This function handles PCD Endpoint interrupt request.
@@ -1340,10 +1343,10 @@ static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
if (ep->doublebuffer == 0U)
{
ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
if (ep->xfer_count != 0)
{
PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
}
// if (ep->xfer_count != 0)
// {
// PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count); // GEX FIX
// }
}
else
{
@@ -1368,7 +1371,7 @@ static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_IN)
}
/*multi-packet on the NON control IN endpoint*/
ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
// ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); // GEX FIX
ep->xfer_buff+=ep->xfer_count;
/* Zero Length Packet? */