stm32cube: stm32h7: use transmit timestamp status flag. (d466dc84) · Commits · Wenxi XU / Hal Stm32

stm32cube/stm32h7xx/README

+8 −0

Changes for stm32cube/stm32h7xx/README: 8 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -68,4 +68,12 @@ Patch List:
		drivers/include/stm32h7xx_hal_def.h
		ST Internal Reference: 136825

		*Fix to use transmit timestamp when it is valid
		Read timestamp only when status flag is set in Tx descriptor.
		Fire transmit timestamp callbacks only when there is a valid
		non-zero timestamp.
		Impacted files:
		drivers/src/stm32h7xx_hal_eth.c
		ST Internal Reference: 157129

		See release_note.html from STM32Cube

+15 −0

Changes for stm32cube/stm32h7xx/drivers/src/stm32h7xx_hal_eth.c: 15 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -1432,17 +1432,29 @@ HAL_StatusTypeDef HAL_ETH_ReleaseTxPacket(ETH_HandleTypeDef *heth)
		/* Disable Ptp transmission */
		CLEAR_BIT(heth->Init.TxDesc[idx].DESC3, (0x40000000U));

		if ((heth->Init.TxDesc[idx].DESC3 & ETH_DMATXNDESCWBF_LD )
		&& (heth->Init.TxDesc[idx].DESC3 & ETH_DMATXNDESCWBF_TTSS))
		{
		/* Get timestamp low */
		timestamp->TimeStampLow = heth->Init.TxDesc[idx].DESC0;
		/* Get timestamp high */
		timestamp->TimeStampHigh = heth->Init.TxDesc[idx].DESC1;
		}
		else
		{
		timestamp->TimeStampHigh = timestamp->TimeStampLow = UINT32_MAX;
		}

		#endif /* HAL_ETH_USE_PTP */

		#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
		/Call registered callbacks/
		#ifdef HAL_ETH_USE_PTP
		/* Handle Ptp */
		if (timestamp->TimeStampHigh != UINT32_MAX && timestamp->TimeStampLow != UINT32_MAX)
		{
		heth->txPtpCallback(dmatxdesclist->PacketAddress[idx], timestamp);
		}
		#endif /* HAL_ETH_USE_PTP */
		/* Release the packet. */
		heth->txFreeCallback(dmatxdesclist->PacketAddress[idx]);
		@@ -1450,7 +1462,10 @@ HAL_StatusTypeDef HAL_ETH_ReleaseTxPacket(ETH_HandleTypeDef *heth)
		/* Call callbacks */
		#ifdef HAL_ETH_USE_PTP
		/* Handle Ptp */
		if (timestamp->TimeStampHigh != UINT32_MAX && timestamp->TimeStampLow != UINT32_MAX)
		{
		HAL_ETH_TxPtpCallback(dmatxdesclist->PacketAddress[idx], timestamp);
		}
		#endif /* HAL_ETH_USE_PTP */
		/* Release the packet. */
		HAL_ETH_TxFreeCallback(dmatxdesclist->PacketAddress[idx]);