boards/iotlab-m3: unified LED defines

boards/iotlab-m3/board.c

@@ -19,41 +19,18 @@
  */
 
 #include "board.h"
-#include "cpu.h"
-
-static void leds_init(void);
+#include "periph/gpio.h"
 
 void board_init(void)
 {
     /* initialize the CPU */
     cpu_init();
 
-    /* initialize the boards LEDs */
-    leds_init();
-}
-
-/**
- * @brief Initialize the boards on-board LEDs
- *
- * The LEDs initialization is hard-coded in this function. As the LED is soldered
- * onto the board it is fixed to its CPU pins.
- *
- * The LEDs are connected to the following pin:
- * - Green:     PB5
- * - Orange:    PC10
- * - Red:       PD2
- */
-static void leds_init(void)
-{
-    /* green pin */
-    RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;
-    LED_GREEN_PORT->CR[0] = (0x3 << (LED_GREEN_PIN*4));
-
-    /* orange pin */
-    RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;
-    LED_ORANGE_PORT->CR[1] = (0x3 << ((LED_ORANGE_PIN-8)*4));
-
-    /* red pin */
-    RCC->APB2ENR |= RCC_APB2ENR_IOPDEN;
-    LED_RED_PORT->CR[0] = (0x3 << (LED_RED_PIN*4));
+    /* initialize the boards LEDs and turn them off */
+    gpio_init(LED0_PIN, GPIO_DIR_OUT, GPIO_NOPULL);
+    gpio_init(LED1_PIN, GPIO_DIR_OUT, GPIO_NOPULL);
+    gpio_init(LED2_PIN, GPIO_DIR_OUT, GPIO_NOPULL);
+    gpio_set(LED0_PIN);
+    gpio_set(LED1_PIN);
+    gpio_set(LED2_PIN);
 }

boards/iotlab-m3/include/board.h

@@ -108,35 +108,28 @@ extern "C" {
 /** @} */
 
 /**
- * @name LED pin definitions
+ * @brief   LED pin definitions and handlers
  * @{
  */
-#define LED_RED_PORT        (GPIOD)
-#define LED_RED_PIN         (2)
-#define LED_RED_GPIO        GPIO_PIN(PORT_D,2)
-#define LED_GREEN_PORT      (GPIOB)
-#define LED_GREEN_PIN       (5)
-#define LED_GREEN_GPIO      GPIO_PIN(PORT_B,5)
-#define LED_ORANGE_PORT     (GPIOC)
-#define LED_ORANGE_PIN      (10)
-#define LED_ORANGE_GPIO     GPIO_PIN(PORT_C,10)
-/** @} */
+#define LED0_PIN            GPIO_PIN(PORT_D, 2)
+#define LED1_PIN            GPIO_PIN(PORT_B, 5)
+#define LED2_PIN            GPIO_PIN(PORT_C, 10)
 
-/**
- * @name Macros for controlling the on-board LEDs.
- * @{
- */
-#define LED_RED_ON          (LED_RED_PORT->ODR &= ~(1<<LED_RED_PIN))
-#define LED_RED_OFF         (LED_RED_PORT->ODR |= (1<<LED_RED_PIN))
-#define LED_RED_TOGGLE      (LED_RED_PORT->ODR ^= (1<<LED_RED_PIN))
+#define LED0_MASK           (1 << 2)
+#define LED1_MASK           (1 << 5)
+#define LED2_MASK           (1 << 10)
+
+#define LED0_ON             (GPIOD->ODR &= ~LED0_MASK)
+#define LED0_OFF            (GPIOD->ODR |=  LED0_MASK)
+#define LED0_TOGGLE         (GPIOD->ODR ^=  LED0_MASK)
 
-#define LED_GREEN_ON        (LED_GREEN_PORT->ODR &= ~(1<<LED_GREEN_PIN))
-#define LED_GREEN_OFF       (LED_GREEN_PORT->ODR |= (1<<LED_GREEN_PIN))
-#define LED_GREEN_TOGGLE    (LED_GREEN_PORT->ODR ^= (1<<LED_GREEN_PIN))
+#define LED1_ON             (GPIOB->ODR &= ~LED1_MASK)
+#define LED1_OFF            (GPIOB->ODR |=  LED1_MASK)
+#define LED1_TOGGLE         (GPIOB->ODR ^=  LED1_MASK)
 
-#define LED_ORANGE_ON       (LED_ORANGE_PORT->ODR &= ~(1<<LED_ORANGE_PIN))
-#define LED_ORANGE_OFF      (LED_ORANGE_PORT->ODR |= (1<<LED_ORANGE_PIN))
-#define LED_ORANGE_TOGGLE   (LED_ORANGE_PORT->ODR ^= (1<<LED_ORANGE_PIN))
+#define LED2_ON             (GPIOC->ODR &= ~LED2_MASK)
+#define LED2_OFF            (GPIOC->ODR |=  LED2_MASK)
+#define LED2_TOGGLE         (GPIOC->ODR ^=  LED2_MASK)
 /** @} */
 
 /**

boards/iotlab-m3/include/gpio_params.h

@@ -33,19 +33,19 @@ static const  saul_gpio_params_t saul_gpio_params[] =
 {
     {
         .name = "LED(red)",
-        .pin = LED_RED_GPIO,
+        .pin = LED0_PIN,
         .dir = GPIO_DIR_OUT,
         .pull = GPIO_NOPULL,
     },
     {
         .name = "LED(green)",
-        .pin = LED_GREEN_GPIO,
+        .pin = LED1_PIN,
         .dir = GPIO_DIR_OUT,
         .pull = GPIO_NOPULL,
     },
     {
         .name = "LED(orange)",
-        .pin = LED_ORANGE_GPIO,
+        .pin = LED2_PIN,
         .dir = GPIO_DIR_OUT,
         .pull = GPIO_NOPULL,
     },