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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-04-25 02:10:42 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-04-25 02:10:42 +0000 |
| commit | 6fbdfa8660b49da4cfdf5e39cc291f613f8c9c5f (patch) | |
| tree | 7dcaf182711a2a4891d13a48d884ef222a1c409f /nuttx/configs/pic32mx7mmb/README.txt | |
| parent | 1680187b6d8bc63c6184595b05d9096f98964abe (diff) | |
| download | px4-nuttx-6fbdfa8660b49da4cfdf5e39cc291f613f8c9c5f.tar.gz px4-nuttx-6fbdfa8660b49da4cfdf5e39cc291f613f8c9c5f.tar.bz2 px4-nuttx-6fbdfa8660b49da4cfdf5e39cc291f613f8c9c5f.zip | |
Turn PIC32MXMMB backlight off
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4653 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/pic32mx7mmb/README.txt')
| -rw-r--r-- | nuttx/configs/pic32mx7mmb/README.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/nuttx/configs/pic32mx7mmb/README.txt b/nuttx/configs/pic32mx7mmb/README.txt index d24b99430..c27d6cb34 100644 --- a/nuttx/configs/pic32mx7mmb/README.txt +++ b/nuttx/configs/pic32mx7mmb/README.txt @@ -257,13 +257,20 @@ LEDs The Mikroelektronika PIC32MX7 MMB has 3 user LEDs labeled LED0-2 in the schematics: + --- ----- --------------------------------------------------------- PIN Board Notes - --- ----- -------------------------------- + --- ----- --------------------------------------------------------- RA0 LED0 Pulled-up, low value illuminates RA1 LED1 Pulled-up, low value illuminates RD9 LED2 Pulled-up, low value illuminates + RA9 LED4 Not available for general use*, indicates MMC/SD activity + --- LED5 Not controllable by software, indicates power-on - If CONFIG_ARCH_LEDS is defined, then NuttX will control these LEDs as follows: + * RA9 is also the SD chip select. It will illuminate whenever the SD card + is selected. If SD is not used, then LED4 could also be used as a user- + controlled LED. + + If CONFIG_ARCH_LEDS is defined, then NuttX will control these LEDs as follows: ON OFF ------------------------- ---- ---- ---- ---- ---- ---- |