215 lines
5.4 KiB
C
215 lines
5.4 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Bernard the first version
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* 2010-12-27 onelife Modify for EFM32
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* 2011-05-06 onelife Add EFM32 development kit support
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* 2011-12-08 onelife Add giant gecko development kit support
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*/
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/***************************************************************************//**
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* @addtogroup efm32
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* @{
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******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "board.h"
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#include "dev_led.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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#if defined(EFM32_G8XX_STK)
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static const rt_uint8_t leds_list[LEDS_MAX_NUMBER][2] = \
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{
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{LEDS_PIN_PORT_0, LEDS_PIN_NUMBER_0},
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{LEDS_PIN_PORT_1, LEDS_PIN_NUMBER_1},
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{LEDS_PIN_PORT_2, LEDS_PIN_NUMBER_2},
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{LEDS_PIN_PORT_3, LEDS_PIN_NUMBER_3}
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};
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#endif
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/***************************************************************************//**
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* @brief
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* Turn on a LED
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*
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* @details
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*
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* @note
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*
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* @param[in] num
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* LED number
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*
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******************************************************************************/
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void rt_hw_led_on(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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#if defined(EFM32_G8XX_STK)
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GPIO_PinOutSet(leds_list[num][0], leds_list[num][1]);
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#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
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{
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rt_uint16_t leds;
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leds = DVK_getLEDs() | (rt_uint16_t)(1 << num);
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DVK_setLEDs(leds);
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}
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#endif
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}
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/***************************************************************************//**
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* @brief
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* Turn off a LED
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*
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* @details
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*
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* @note
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*
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* @param[in] num
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* LED number
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*
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******************************************************************************/
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void rt_hw_led_off(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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#if defined(EFM32_G8XX_STK)
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GPIO_PinOutClear(leds_list[num][0], leds_list[num][1]);
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#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
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{
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rt_uint16_t leds;
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leds = DVK_getLEDs() & ~(rt_uint16_t)(1 << num);
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DVK_setLEDs(leds);
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}
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#endif
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}
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/***************************************************************************//**
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* @brief
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* Toggle the state of a LED
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*
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* @details
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*
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* @note
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*
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* @param[in] num
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* LED number
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*
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******************************************************************************/
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void rt_hw_led_toggle(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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#if defined(EFM32_G8XX_STK)
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GPIO_PinOutToggle(leds_list[num][0], leds_list[num][1]);
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#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
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{
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rt_uint16_t leds;
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leds = DVK_getLEDs() ^ (rt_uint16_t)(1 << num);
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DVK_setLEDs(leds);
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}
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#endif
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}
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rt_uint8_t rt_hw_led_state(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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#if defined(EFM32_G8XX_STK)
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return (rt_uint8_t)GPIO_PinInGet(leds_list[num][0], leds_list[num][1]);
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#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
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return ((DVK_getLEDs() & (rt_uint16_t)(1 << num)) >> num);
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#endif
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}
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/***************************************************************************//**
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* @brief
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* Initialize the LEDs related GPIO
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*
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* @details
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*
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* @note
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*
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* @return
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* Error code
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******************************************************************************/
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rt_err_t rt_hw_led_init(void)
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{
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#if defined(EFM32_G8XX_STK)
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rt_uint8_t i;
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/* Configure GPIO */
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for (i = 0; i < LEDS_MAX_NUMBER; i++)
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{
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GPIO_PinModeSet(
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leds_list[i][0],
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leds_list[i][1],
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gpioModePushPull,
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0);
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}
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#endif
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return RT_EOK;
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}
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/***************************************************************************//**
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* Export to FINSH
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******************************************************************************/
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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void list_leds(void)
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{
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rt_uint8_t i;
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rt_kprintf(" led \t port \t pin \t state\n");
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rt_kprintf(" -----\t -----\t -----\t -----\n");
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for (i = 0; i < LEDS_MAX_NUMBER; i++)
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{
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#if defined(EFM32_G8XX_STK)
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rt_kprintf(" %d \t %x \t %x \t %x \n",
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i, leds_list[i][0], leds_list[i][1], rt_hw_led_state(i));
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#elif (defined(EFM32_GXXX_DK) || defined(EFM32GG_DK3750))
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rt_uint16_t leds;
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leds = DVK_getLEDs();
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rt_kprintf(" %d \t FPGA \t FPGA \t %x \n",
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i, (leds & (1 << i))? 1 : 0);
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#endif
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}
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}
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FINSH_FUNCTION_EXPORT(list_leds, list all the LEDs.)
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void set_led(rt_uint32_t led, rt_uint32_t state)
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{
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/* set led status */
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switch (state)
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{
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case 0:
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rt_hw_led_off(led);
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break;
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case 1:
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rt_hw_led_on(led);
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break;
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default:
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break;
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}
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}
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FINSH_FUNCTION_EXPORT(set_led, turn led (0 - 3) on (1) or off (0).)
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#endif
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/***************************************************************************//**
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* @}
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******************************************************************************/
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