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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard the first version
* 2010-12-27 onelife Modify for EFM32
* 2011-05-06 onelife Add EFM32 development kit support
* 2011-12-08 onelife Add giant gecko development kit support
*/
/***************************************************************************//**
* @addtogroup efm32
* @{
******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "board.h"
#include "dev_led.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
#if defined(EFM32_G8XX_STK)
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}
};
#endif
/* 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);
#if defined(EFM32_G8XX_STK)
GPIO_PinOutSet(leds_list[num][0], leds_list[num][1]);
#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
{
rt_uint16_t leds;
leds = DVK_getLEDs() | (rt_uint16_t)(1 << num);
DVK_setLEDs(leds);
}
#endif
}
/***************************************************************************//**
* @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);
#if defined(EFM32_G8XX_STK)
GPIO_PinOutClear(leds_list[num][0], leds_list[num][1]);
#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
{
rt_uint16_t leds;
leds = DVK_getLEDs() & ~(rt_uint16_t)(1 << num);
DVK_setLEDs(leds);
}
#endif
}
/***************************************************************************//**
* @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);
#if defined(EFM32_G8XX_STK)
GPIO_PinOutToggle(leds_list[num][0], leds_list[num][1]);
#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
{
rt_uint16_t leds;
leds = DVK_getLEDs() ^ (rt_uint16_t)(1 << num);
DVK_setLEDs(leds);
}
#endif
}
rt_uint8_t rt_hw_led_state(rt_uint8_t num)
{
RT_ASSERT(num < LEDS_MAX_NUMBER);
#if defined(EFM32_G8XX_STK)
return (rt_uint8_t)GPIO_PinInGet(leds_list[num][0], leds_list[num][1]);
#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
return ((DVK_getLEDs() & (rt_uint16_t)(1 << num)) >> num);
#endif
}
/***************************************************************************//**
* @brief
* Initialize the LEDs related GPIO
*
* @details
*
* @note
*
* @return
* Error code
******************************************************************************/
rt_err_t rt_hw_led_init(void)
{
#if defined(EFM32_G8XX_STK)
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);
}
#endif
return RT_EOK;
}
/***************************************************************************//**
* 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++)
{
#if defined(EFM32_G8XX_STK)
rt_kprintf(" %d \t %x \t %x \t %x \n",
i, leds_list[i][0], leds_list[i][1], rt_hw_led_state(i));
#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
rt_uint16_t leds;
leds = DVK_getLEDs();
rt_kprintf(" %d \t FPGA \t FPGA \t %x \n",
i, (leds & (1 << i))? 1 : 0);
#endif
}
}
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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