[GitHub] [incubator-nuttx] CV-Bowen opened a new pull request, #7133: tlsr82/serial: clear tx index also when uart_reset called.

[GitBox]

CV-Bowen opened a new pull request, #7133:
URL: https://github.com/apache/incubator-nuttx/pull/7133

   ## Summary
   Clear software tx index when uart_reset called.
   Otherwise, after the rx error occur, the tx output will be out of sequence, 
for example:
   normal log:
   [   30.163000] 12345678abcdefgh
   [   30.666000] 12345678abcdefgh
   [   31.169000] 12345678abcdefgh
   [   31.672000] 12345678abcdefgh
   [   32.175000] 12345678abcdefgh
   [   32.678000] 12345678abcdefgh
   [   33.181000] 12345678abcdefgh
   
   error log:
   he 7 .20]0003 127456c8abgdefch
   gde [6.707002] 16345b78afcde
   fcde
   fghe10010] 5234a678ebcd
    77 713 00]41238567dabchefgd
   che 7 .21]0003 127456c8abgdefch
   gde [8.709002] 16345b78afcde
   fcde
   
   ## Impact
   tlsr82 serial
   
   ## Testing
   test with tlsr8278adk80d:nsh
   


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