diff options
| -rw-r--r-- | atmel_start_pins.h | 4 | ||||
| -rw-r--r-- | driver_init.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/atmel_start_pins.h b/atmel_start_pins.h index dbf9891..23b8d33 100644 --- a/atmel_start_pins.h +++ b/atmel_start_pins.h @@ -27,6 +27,10 @@ #define GPIO_PIN_FUNCTION_M 12 #define GPIO_PIN_FUNCTION_N 13 +/** LED pin to indicate system state (pull low to switch on */ +#define LED_SYSTEM GPIO(GPIO_PORTC, 18) + +/** USB D+/D- pins */ #define PA24 GPIO(GPIO_PORTA, 24) #define PA25 GPIO(GPIO_PORTA, 25) diff --git a/driver_init.c b/driver_init.c index b324be8..0b07cc1 100644 --- a/driver_init.c +++ b/driver_init.c @@ -143,6 +143,11 @@ void system_init(void) { init_mcu(); + // configure system LED + gpio_set_pin_level(LED_SYSTEM, true); // switch off LED + gpio_set_pin_direction(LED_SYSTEM, GPIO_DIRECTION_OUT); + gpio_set_pin_function(LED_SYSTEM, GPIO_PIN_FUNCTION_OFF); + USB_DEVICE_INSTANCE_init(); FLASH_0_init(); } |