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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/04/28 07:59:17 UTC

[GitHub] [incubator-nuttx] AlexanderVasiljev opened a new pull request #3617: stm32h7: serial: use dma tx semaphore as resource holder

AlexanderVasiljev opened a new pull request #3617:
URL: https://github.com/apache/incubator-nuttx/pull/3617


   ## Summary
   
   This commit will correct error in the stm32H7 serial dma transmition.
    txdmasem semaphore is posted every time in up_dma_txcallback. But it is waited occasionally in up_dma_txavailable. So its value is always positive and it never falls asleep.
   
   This commit will use semaphore as resource holder
   
   


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[GitHub] [incubator-nuttx] AlexanderVasiljev closed pull request #3617: stm32h7: serial: use dma tx semaphore as resource holder

Posted by GitBox <gi...@apache.org>.

AlexanderVasiljev closed pull request #3617:
URL: https://github.com/apache/incubator-nuttx/pull/3617


   


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