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STM32f7: Fix TX timestamp check #232

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merged 2 commits into from
Sep 11, 2024
Merged

STM32f7: Fix TX timestamp check #232

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385df00
stm32cube: stm32f7xx: drivers: Fix TX timestamp check
kartben Jun 27, 2024
c6c31be
stm32cube: stm32f7xx: update the README patch list
marwaiehm-st Sep 3, 2024
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7 changes: 7 additions & 0 deletions stm32cube/stm32f7xx/README
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Original file line number Diff line number Diff line change
Expand Up @@ -59,4 +59,11 @@ Patch List:
Impacted files:
drivers/include/Legacy/stm32_hal_legacy.h

*Fix: Use the correct register DESC0
This fix ensures that the TX timestamp is properly set by correctly
checking the ETH_DMATXDESC_LS and ETH_DMATXDESC_TTSS flags in the DESC0 register.
Impacted files:
stm32cube/stm32f7xx/drivers/src/stm32f7xx_hal_eth.c
ST Internal reference: 185461

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See release_note.html from STM32Cube
4 changes: 2 additions & 2 deletions stm32cube/stm32f7xx/drivers/src/stm32f7xx_hal_eth.c
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Expand Up @@ -1472,8 +1472,8 @@ HAL_StatusTypeDef HAL_ETH_ReleaseTxPacket(ETH_HandleTypeDef *heth)
if ((heth->Init.TxDesc[idx].DESC0 & ETH_DMATXDESC_OWN) == 0U)
{
#ifdef HAL_ETH_USE_PTP
if ((heth->Init.TxDesc[idx].DESC3 & ETH_DMATXDESC_LS)
&& (heth->Init.TxDesc[idx].DESC3 & ETH_DMATXDESC_TTSS))
if ((heth->Init.TxDesc[idx].DESC0 & ETH_DMATXDESC_LS)
&& (heth->Init.TxDesc[idx].DESC0 & ETH_DMATXDESC_TTSS))
{
/* Get timestamp low */
timestamp->TimeStampLow = heth->Init.TxDesc[idx].DESC6;
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