diff options
| author | onelife.real <[email protected]> | 2011-02-17 03:33:15 +0000 |
|---|---|---|
| committer | onelife.real <[email protected]> | 2011-02-17 03:33:15 +0000 |
| commit | 314bcbd3ea8a79623cf199f665b0631ef3fc530b (patch) | |
| tree | 516ba8ac07c43c61f928d281b36d6e93f50334e1 /bsp/efm32/dev_led.c | |
| parent | d128ba91691534b3e64b6736d4dfbfbe81244055 (diff) | |
*** 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
Diffstat (limited to 'bsp/efm32/dev_led.c')
| -rw-r--r-- | bsp/efm32/dev_led.c | 171 |
1 files changed, 171 insertions, 0 deletions
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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