boards: seeeduino_arch-pro: adapt to gpio driver.

boards/seeeduino_arch-pro/Makefile.dep

@@ -0,0 +1,3 @@
+ifneq (,$(filter saul_default,$(USEMODULE)))
+  USEMODULE += saul_gpio
+endif

boards/seeeduino_arch-pro/Makefile.features

@@ -1,4 +1,5 @@
 # Put defined MCU peripherals here (in alphabetical order)
+FEATURES_PROVIDED += periph_gpio
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
 

boards/seeeduino_arch-pro/board.c

@@ -21,9 +21,26 @@
 
 #include "board.h"
 
-static void leds_init(void);
+#include "periph/gpio.h"
+
 extern void SystemInit(void);
 
+/**
+ * @brief Initialize the on-board LEDs.
+ */
+static void leds_init(void)
+{
+    gpio_init(LED0_PIN, GPIO_OUT);
+    gpio_init(LED1_PIN, GPIO_OUT);
+    gpio_init(LED2_PIN, GPIO_OUT);
+    gpio_init(LED3_PIN, GPIO_OUT);
+
+    LED0_OFF;
+    LED1_OFF;
+    LED2_OFF;
+    LED3_OFF;
+}
+
 void board_init(void)
 {
     /* initialize core clocks via CMSIS function */
@@ -33,26 +50,3 @@ void board_init(void)
     /* initialize the boards LEDs */
     leds_init();
 }
-
-/**
- * @brief Initialize the boards on-board LEDs (LED1 to LED4)
- *
- * The LED initialization is hard-coded in this function. As the LEDs are
- * soldered onto the board they are fixed to their CPU pins.
- *
- * The LEDs are connected to the following pins:
- * - LED1: P1.18
- * - LED2: P1.20
- * - LED3: P1.21
- * - LED4: P1.23
- *
- * The LEDs are active-low (current-sink).
- */
-static void leds_init(void)
-{
-    /* configure LED pins as output */
-    LED_PORT->FIODIR |= (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
-
-    /* turn off all LEDs */
-    LED_PORT->FIOSET = (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
-}

boards/seeeduino_arch-pro/include/board.h

@@ -24,10 +24,9 @@
 #ifndef BOARD_H
 #define BOARD_H
 
-#include <stdint.h>
-
-#include "bitarithm.h"
 #include "cpu.h"
+#include "periph_conf.h"
+#include "periph/gpio.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,24 +41,18 @@ extern "C" {
 #define LED2_PIN            GPIO_PIN(1, 21)
 #define LED3_PIN            GPIO_PIN(1, 23)
 
-#define LED_PORT            (LPC_GPIO1)
+#define LED0_ON             gpio_clear(LED0_PIN)
-#define LED0_MASK           (BIT18)
+#define LED0_OFF            gpio_set(LED0_PIN)
-#define LED1_MASK           (BIT20)
+#define LED0_TOGGLE         gpio_toggle(LED0_PIN)
-#define LED2_MASK           (BIT21)
+#define LED1_ON             gpio_clear(LED1_PIN)
-#define LED3_MASK           (BIT23)
+#define LED1_OFF            gpio_set(LED1_PIN)
-
+#define LED1_TOGGLE         gpio_toggle(LED1_PIN)
-#define LED0_ON             (LED_PORT->FIOCLR  = LED0_MASK)
+#define LED2_ON             gpio_clear(LED2_PIN)
-#define LED0_OFF            (LED_PORT->FIOSET  = LED0_MASK)
+#define LED2_OFF            gpio_set(LED2_PIN)
-#define LED0_TOGGLE         (LED_PORT->FIOPIN ^= LED0_MASK)
+#define LED2_TOGGLE         gpio_toggle(LED2_PIN)
-#define LED1_ON             (LED_PORT->FIOCLR  = LED1_MASK)
+#define LED3_ON             gpio_clear(LED3_PIN)
-#define LED1_OFF            (LED_PORT->FIOSET  = LED1_MASK)
+#define LED3_OFF            gpio_set(LED3_PIN)
-#define LED1_TOGGLE         (LED_PORT->FIOPIN ^= LED1_MASK)
+#define LED3_TOGGLE         gpio_toggle(LED3_PIN)
-#define LED2_ON             (LED_PORT->FIOCLR  = LED2_MASK)
-#define LED2_OFF            (LED_PORT->FIOSET  = LED2_MASK)
-#define LED2_TOGGLE         (LED_PORT->FIOPIN ^= LED2_MASK)
-#define LED3_ON             (LED_PORT->FIOCLR  = LED3_MASK)
-#define LED3_OFF            (LED_PORT->FIOSET  = LED3_MASK)
-#define LED3_TOGGLE         (LED_PORT->FIOPIN ^= LED3_MASK)
 /** @} */
 
 /**

boards/seeeduino_arch-pro/include/gpio_params.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2017 Bas Stottelaar <basstottelaar@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     boards_seeduino_arch-pro
+ * @{
+ *
+ * @file
+ * @brief       Board specific configuration of direct mapped GPIOs
+ *
+ * @author      Bas Stottelaar <basstottelaar@gmail.com>
+ */
+
+#ifndef GPIO_PARAMS_H
+#define GPIO_PARAMS_H
+
+#include "board.h"
+#include "saul/periph.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief    GPIO pin configuration
+ */
+static const  saul_gpio_params_t saul_gpio_params[] =
+{
+    {
+        .name = "LED 0",
+        .pin = LED0_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "LED 1",
+        .pin = LED1_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "LED 2",
+        .pin = LED2_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    },
+    {
+        .name = "LED 3",
+        .pin = LED3_PIN,
+        .mode = GPIO_OUT,
+        .flags = SAUL_GPIO_INVERTED
+    }
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GPIO_PARAMS_H */
+/** @} */