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Diffstat (limited to 'nuttx/configs/sam3u-ek/README.txt')
| -rw-r--r-- | nuttx/configs/sam3u-ek/README.txt | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/nuttx/configs/sam3u-ek/README.txt b/nuttx/configs/sam3u-ek/README.txt index c1193b831..065c01d89 100644 --- a/nuttx/configs/sam3u-ek/README.txt +++ b/nuttx/configs/sam3u-ek/README.txt @@ -16,6 +16,7 @@ Contents - NXFLAT Toolchain - AtmelStudio6.1 - LEDs + - Serial Console - SAM3U-EK-specific Configuration Options - Configurations @@ -267,8 +268,27 @@ LEDs on a small proportion of the time. *** LED2 may also flicker normally if signals are processed. +Serial Console +^^^^^^^^^^^^^^ + + By default, all of these configurations use UART0 for the NuttX serial + console. UART0 corresponds to the DB-9 connector labelled "UART". This + is a male connector and will require a female-to-female, NUL modem cable + to connect to a PC. + + An alternate is USART1 which connects to the other DB-9 connector labeled + "USART". USART1 is not enabled by default unless specifically noted + otherwise in the configuration description. A NUL modem cable must be + used with the port as well. + + NOTE: One of the USART1 pins is shared with the audio CODEC. The audio + CODEC cannot be used of USART1 is enabled. + + By default serial console is configured for 115000, 8-bit, 1 stop bit, and + no parity. + SAM3U-EK-specific Configuration Options -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ CONFIG_ARCH - Identifies the arch/ subdirectory. This should be set to: |