diff options
Diffstat (limited to 'nuttx/configs/lpc4330-xplorer/include/board.h')
| -rw-r--r-- | nuttx/configs/lpc4330-xplorer/include/board.h | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/nuttx/configs/lpc4330-xplorer/include/board.h b/nuttx/configs/lpc4330-xplorer/include/board.h index ce455630d8..a8b926bfd0 100644 --- a/nuttx/configs/lpc4330-xplorer/include/board.h +++ b/nuttx/configs/lpc4330-xplorer/include/board.h @@ -129,27 +129,51 @@ #define BOARD_FLASHCFG_VALUE 0x0000303a /* LED definitions *********************************************************/ -/* The Lincoln 80 has 2 LEDs along the bottom of the board. Green or off. - * If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows - * for NuttX debug functionality (where NC means "No Change"). +/* The LPC4330-Xplorer has 2 user-controllable LEDs labeled D2 an D3 in the + * schematic and on but referred to has LED1 and LED2 here, respectively. * - * During the boot phases. LED1 and LED2 will show boot status. + * LED1 D2 GPIO1[12] + * LED2 D3 GPIO1[11] + * + * LEDs are pulled high to a low output illuminates the LED. + * + * LED index values for use with lpc43_setled() */ - /* LED1 LED2 */ -#define LED_STARTED 0 /* OFF OFF */ -#define LED_HEAPALLOCATE 1 /* GREEN OFF */ -#define LED_IRQSENABLED 2 /* OFF GREEN */ -#define LED_STACKCREATED 3 /* OFF OFF */ + +#define BOARD_LED1 0 +#define BOARD_LED2 1 +#define BOARD_NLEDS 2 + +/* LED bits for use with lpc43_setleds() */ + +#define BOARD_LED1_BIT (1 << BOARD_LED1) +#define BOARD_LED2_BIT (1 << BOARD_LED2) + +/* If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows + * for NuttX debug functionality (where NC means "No Change"). If + * CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under + * control of the application. The following interfaces are then available + * for application control of the LEDs: + * + * void lpc43_ledinit(void); + * void lpc43_setled(int led, bool ledon); + * void lpc43_setleds(uint8_t ledset); + */ + /* ON OFF */ + /* LED1 LED2 LED1 LED2 */ +#define LED_STARTED 0 /* OFF OFF - - */ +#define LED_HEAPALLOCATE 1 /* ON OFF - - */ +#define LED_IRQSENABLED 1 /* ON OFF - - */ +#define LED_STACKCREATED 1 /* ON OFF - - */ +#define LED_INIRQ 2 /* NC ON NC OFF */ +#define LED_SIGNAL 2 /* NC ON NC OFF */ +#define LED_ASSERTION 2 /* NC ON NC OFF */ +#define LED_PANIC 2 /* NC ON NC OFF */ /* After the system is booted, this logic will no longer use LEDs 1 & 2. * They are available for use the application software using lpc43_led * (prototyped below) */ - /* LED1 LED2 LED3 LED4 */ -#define LED_INIRQ 4 /* NC NC NC ON (momentary) */ -#define LED_SIGNAL 5 /* NC NC NC ON (momentary) */ -#define LED_ASSERTION 6 /* NC NC NC ON (momentary) */ -#define LED_PANIC 7 /* NC NC NC ON (1Hz flashing) */ #define GPIO_SSP0_SCK GPIO_SSP0_SCK_1 #define GPIO_SSP0_SSEL GPIO_SSP0_SSEL_1 @@ -201,16 +225,20 @@ extern "C" { EXTERN void lpc43_boardinitialize(void); -/**************************************************************************** - * Name: lpc43_led +/***************************************************************************** + * Name: lpc43_ledinit, lpc43_setled, and lpc43_setleds * * Description: - * Once the system has booted, these functions can be used to control LEDs 1 & 2 + * If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board + * LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces + * are available to control the LEDs from user applications. * - ************************************************************************************/ + ****************************************************************************/ -#ifdef CONFIG_ARCH_LEDS -EXTERN void lpc43_led(int lednum, int state); +#ifndef CONFIG_ARCH_LEDS +EXTERN void lpc43_ledinit(void); +EXTERN void lpc43_setled(int led, bool ledon); +EXTERN void lpc43_setleds(uint8_t ledset); #endif #undef EXTERN |