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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-05 16:58:18 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-05 16:58:18 +0000 |
commit | 7dcb0729864fa8f28f5e9a217a2b79141aeae3a2 (patch) | |
tree | c67455478d70f198818b1d52ca222c2f315a70ca /nuttx/configs/stm3240g-eval/include | |
parent | d7fadacd141270fc041f9cae09eb40fbd8ee7bce (diff) | |
download | px4-nuttx-7dcb0729864fa8f28f5e9a217a2b79141aeae3a2.tar.gz px4-nuttx-7dcb0729864fa8f28f5e9a217a2b79141aeae3a2.tar.bz2 px4-nuttx-7dcb0729864fa8f28f5e9a217a2b79141aeae3a2.zip |
Add APIs to support user access to the STM3240G-EVAL LEDs
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4263 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/stm3240g-eval/include')
-rwxr-xr-x | nuttx/configs/stm3240g-eval/include/board.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/nuttx/configs/stm3240g-eval/include/board.h b/nuttx/configs/stm3240g-eval/include/board.h index 6c3b32497..80ac9a809 100755 --- a/nuttx/configs/stm3240g-eval/include/board.h +++ b/nuttx/configs/stm3240g-eval/include/board.h @@ -212,7 +212,28 @@ #endif /* LED definitions ******************************************************************/ -/* The STM3240G-EVAL board has 4 LEDs that we will encode as: */ +/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any + * way. The following definitions are used to access individual LEDs. + */ + +/* LED index values for use with stm32_setled() */ + +#define BOARD_LED1 0 +#define BOARD_LED2 1 +#define BOARD_LED3 2 +#define BOARD_LED4 3 +#define BOARD_NLEDS 4 + +/* LED bits for use with stm32_setleds() */ + +#define BOARD_LED1_BIT (1 << BOARD_LED1) +#define BOARD_LED2_BIT (1 << BOARD_LED2) +#define BOARD_LED3_BIT (1 << BOARD_LED3) +#define BOARD_LED4_BIT (1 << BOARD_LED4) + +/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 4 LEDs on board the + * STM3240G-EVAL. The following definitions describe how NuttX controls the LEDs: + */ #define LED_STARTED 0 /* LED1 */ #define LED_HEAPALLOCATE 1 /* LED2 */ @@ -357,6 +378,22 @@ extern "C" { EXTERN void stm32_boardinitialize(void); /************************************************************************************ + * Name: stm32_ledinit, stm32_setled, and stm32_setleds + * + * Description: + * If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If + * CONFIG_ARCH_LEDS is not defined, then the following interfacesare available to + * control the LEDs from user applications. + * + ************************************************************************************/ + +#ifndef CONFIG_ARCH_LEDS +EXTERN void stm32_ledinit(void); +EXTERN void stm32_setled(int led, bool ledon); +EXTERN void stm32_setleds(uint8_t ledset); +#endif + +/************************************************************************************ * Button support. * * Description: |