boards/nucleo-f303: unified LED defines

boards/nucleo-f303/board.c

@@ -19,40 +19,13 @@
  */
 
 #include "board.h"
-#include "cpu.h"
-
-static void leds_init(void);
+#include "periph/gpio.h"
 
 void board_init(void)
 {
-    /* initialize the boards LEDs */
-    leds_init();
     /* initialize the CPU */
     cpu_init();
-}
 
-/**
- * @brief Initialize the boards on-board LEDs
- *
- * The LED initialization is hard-coded in this function.
- * As the LED is soldered onto the board it is fixed to
- * its CPU pins.
- *
- * The green LED is connected to pin PA5
- */
-static void leds_init(void)
-{
-    /* enable clock for port GPIOA */
-    RCC->AHBENR |= RCC_AHBENR_GPIOAEN;
-    /* set output speed to 50MHz */
-    LED_GREEN_PORT->OSPEEDR |= 0x00000c00;
-    /* set output type to push-pull */
-    LED_GREEN_PORT->OTYPER &= ~(0x00000020);
-    /* configure pin as general output */
-    LED_GREEN_PORT->MODER &= ~(0x00000c00);
-    LED_GREEN_PORT->MODER |= 0x00000400;
-    /* disable pull resistors */
-    LED_GREEN_PORT->PUPDR &= ~(0x00000c00);
-    /* turn all LEDs off */
-    LED_GREEN_PORT->BRR = 0x00c0;
+    /* initialize the boards LEDs */
+    gpio_init(LED0_PIN, GPIO_DIR_OUT, GPIO_NOPULL);
 }