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| -rw-r--r-- | nuttx/examples/nsh/README.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/nuttx/examples/nsh/README.txt b/nuttx/examples/nsh/README.txt index f4e1da9ae..73c281558 100644 --- a/nuttx/examples/nsh/README.txt +++ b/nuttx/examples/nsh/README.txt @@ -15,6 +15,7 @@ examples/nsh - NSH Configuration Settings Command Dependencies on Configuration Settings NSH-Specific Configuration Settings + - Common Problems Console/NSH Front End ^^^^^^^^^^^^^^^^^^^^^ @@ -987,3 +988,16 @@ NSH-Specific Configuration Settings * CONFIG_EXAMPLES_NSH_FATMOUNTPT This is the location where the FAT FS will be mounted. Default is /tmp. + +Common Problems +^^^^^^^^^^^^^^^ + + Problem: + Using NSH over serial, the "nsh>" prompt repeats over and over again + with no serial input. + Usual Cause: + NSH over serial needs to use the interrupt driven serial driver + (drivers/serial/serial.c) not the polled serial driver (drivers/serial/lowconsole.c). + Make sure that the polled console is disabled in the OS configuration + file, .config. That file should have CONFIG_DEV_LOWCONSOLE=n for + NSH over serial. |