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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2022/03/05 12:56:34 UTC

[GitHub] [mynewt-core] kasjer opened a new pull request #2786: TinyUSB and external pull up on D+

kasjer opened a new pull request #2786:
URL: https://github.com/apache/mynewt-core/pull/2786


   For black_vet6 USB_DP_HAS_EXTERNAL_PULL_UP is set to 1 to reflect hardware design.
   Without this USB host may not noticed that device rebooted and re-enumeration is required
   
   For ST based hardware (both synopsys or stm32_fsdev) external pullup handling was working in
   mynewt OS but when USB was built into bootloader GPIO handling of D+ was to fast because
   os_time_delay() did not work.
   For bootloader case os_cpu_time_delay is used.


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[GitHub] [mynewt-core] kasjer merged pull request #2786: TinyUSB and external pull up on D+

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

kasjer merged pull request #2786:
URL: https://github.com/apache/mynewt-core/pull/2786


   


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