From 314bcbd3ea8a79623cf199f665b0631ef3fc530b Mon Sep 17 00:00:00 2001
From: "onelife.real" <onelife.real@gmail.com>
Date: Thu, 17 Feb 2011 03:33:15 +0000
Subject: *** EFM32 branch ***  - New branch for Energy Micro's MCUs
 (http://energymicro.com/).  - Target board: FM32 Gecko Starter Kit
 (http://www.energymicro.com/tools)

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1274 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 bsp/efm32/dev_led.c | 171 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 bsp/efm32/dev_led.c

(limited to 'bsp/efm32/dev_led.c')

diff --git a/bsp/efm32/dev_led.c b/bsp/efm32/dev_led.c
new file mode 100644
index 0000000000..30041362bf
--- /dev/null
+++ b/bsp/efm32/dev_led.c
@@ -0,0 +1,171 @@
+/******************************************************************//**
+ * @file 		dev_led.c
+ * @brief 	LED driver of RT-Thread RTOS for EFM32
+ * 	COPYRIGHT (C) 2009, RT-Thread Development Team
+ * @author 	Bernard, onelife
+ * @version 	0.4 beta
+ **********************************************************************
+ * @section License
+ * The license and distribution terms for this file may be found in the file LICENSE in this 
+ * distribution or at http://www.rt-thread.org/license/LICENSE
+ **********************************************************************
+ * @section Change Logs
+ * Date			Author		Notes
+ * 2009-01-05	Bernard		the first version
+ * 2010-12-27	onelife		modify for EFM32
+ *********************************************************************/
+
+/******************************************************************//**
+ * @addtogroup efm32
+ * @{
+*********************************************************************/
+
+/* Includes -------------------------------------------------------------------*/
+#include "board.h"
+#include "dev_led.h"
+
+/* Private typedef -------------------------------------------------------------*/
+/* Private define --------------------------------------------------------------*/
+/* Private macro --------------------------------------------------------------*/
+/* Private constants -----------------------------------------------------------*/
+static const rt_uint8_t	leds_list[LEDS_MAX_NUMBER][2] = \
+{
+	{LEDS_PIN_PORT_0, LEDS_PIN_NUMBER_0},
+	{LEDS_PIN_PORT_1, LEDS_PIN_NUMBER_1},
+	{LEDS_PIN_PORT_2, LEDS_PIN_NUMBER_2},
+	{LEDS_PIN_PORT_3, LEDS_PIN_NUMBER_3}
+};
+
+/* Private variables ------------------------------------------------------------*/
+/* Private function prototypes ---------------------------------------------------*/
+/* Private functions ------------------------------------------------------------*/
+/******************************************************************//**
+ * @brief
+ *   Turn on a LED
+ *
+ * @details
+ *
+ * @note
+ *
+ * @param[in] num
+ *   LED number
+ *
+ *********************************************************************/
+void rt_hw_led_on(rt_uint8_t num)
+{
+	RT_ASSERT(num < LEDS_MAX_NUMBER);
+	
+	GPIO_PinOutSet(leds_list[num][0], leds_list[num][1]);
+}
+
+/******************************************************************//**
+ * @brief
+ *   Turn off a LED
+ *
+ * @details
+ *
+ * @note
+ *
+ * @param[in] num
+ *   LED number
+ *
+ *********************************************************************/
+void rt_hw_led_off(rt_uint8_t num)
+{
+	RT_ASSERT(num < LEDS_MAX_NUMBER);
+	
+	GPIO_PinOutClear(leds_list[num][0], leds_list[num][1]);
+}
+
+/******************************************************************//**
+ * @brief
+ *   Toggle the state of a LED
+ *
+ * @details
+ *
+ * @note
+ *
+ * @param[in] num
+ *   LED number
+ *
+ *********************************************************************/
+void rt_hw_led_toggle(rt_uint8_t num)
+{
+	RT_ASSERT(num < LEDS_MAX_NUMBER);
+	
+	GPIO_PinOutToggle(leds_list[num][0], leds_list[num][1]);
+}
+
+rt_uint8_t rt_hw_led_state(rt_uint8_t num)
+{
+	RT_ASSERT(num < LEDS_MAX_NUMBER);
+	
+	return (rt_uint8_t)GPIO_PinInGet(leds_list[num][0], leds_list[num][1]);
+}
+
+/******************************************************************//**
+ * @brief
+ *   Initialize the LEDs related GPIO
+ *
+ * @details
+ *
+ * @note
+ *
+ *********************************************************************/
+void rt_hw_led_init(void)
+{
+	rt_uint8_t i;
+		
+	/* Configure GPIO */
+	for (i = 0; i < LEDS_MAX_NUMBER; i++)
+	{
+		GPIO_PinModeSet(
+			leds_list[i][0],
+			leds_list[i][1],
+			gpioModePushPull,
+			0);
+	}
+}
+
+/*********************************************************************
+* 	Export to FINSH
+*********************************************************************/
+#ifdef RT_USING_FINSH
+#include <finsh.h>
+
+void list_leds(void)
+{
+	rt_uint8_t i;
+
+	rt_kprintf(" led  \t port \t pin  \t state\n");
+	rt_kprintf(" -----\t -----\t -----\t -----\n");
+
+    for (i = 0; i < LEDS_MAX_NUMBER; i++)
+	{
+		rt_kprintf(" %d    \t %x    \t %x    \t %x    \n", 
+			i, leds_list[i][0], leds_list[i][1], rt_hw_led_state(i));
+	}
+}
+FINSH_FUNCTION_EXPORT(list_leds, list all the LEDs.)
+
+void set_led(rt_uint32_t led, rt_uint32_t state)
+{
+	/* set led status */
+	switch (state)
+	{
+	case 0:
+		rt_hw_led_off(led);
+		break;
+	case 1:
+		rt_hw_led_on(led);
+		break;
+	default:
+		break;
+	}
+}
+FINSH_FUNCTION_EXPORT(set_led, turn led (0 - 3) on (1) or off (0).)
+#endif
+
+/******************************************************************//**
+ * @}
+*********************************************************************/
-- 
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