rt-thread-official/bsp/sparkfun-redv/applications/led/led.c

60 lines
1.1 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-10-28 luhuadong first version
*/
#include <rtdevice.h>
#include <hifive1.h>
#include <platform.h>
#include <gpio.h>
#include "led.h"
#define USER_LED_OFFSET 5
static void _led_init(rt_uint8_t offset)
{
GPIO_REG(GPIO_IOF_EN) &= ~(1UL << offset);
GPIO_REG(GPIO_OUTPUT_EN) |= (1UL << offset);
}
static void _led_set(rt_uint8_t offset, rt_uint8_t val)
{
switch (val)
{
case LED_ON:
GPIO_REG(GPIO_OUTPUT_VAL) |= (1UL << offset);
break;
case LED_OFF:
GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1UL << offset);
break;
default:
break;
}
}
static void _led_toggle(rt_uint8_t offset)
{
GPIO_REG(GPIO_OUTPUT_VAL) ^= (1UL << offset);
}
void led_init(void)
{
_led_init(USER_LED_OFFSET);
}
void led_set(rt_uint8_t val)
{
_led_set(USER_LED_OFFSET, val);
}
void led_toggle(void)
{
_led_toggle(USER_LED_OFFSET);
}