60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Copyright (c) 2006-2021, 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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* 2020-08-14 Jonas first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board.h"
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#include "drv_gpio.h"
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/* defined the LED pin: PB4 */
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#define LED_PIN GET_PIN(B, 4)
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/* defined the KEY1 pin: PA1 */
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#define KEY1_PIN GET_PIN(A, 1)
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/* defined the KEY WakeUp pin: PA0 */
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#define WKUP_PIN GET_PIN(A, 0)
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void key_pressed_cb(void *arg)
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{
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if (*(rt_base_t *)arg == KEY1_PIN)
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{
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rt_kprintf("key1 pressed\n");
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}
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if (*(rt_base_t *)arg == WKUP_PIN)
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{
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rt_kprintf("key wake up pressed\n");
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}
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}
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int main(void)
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{
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static rt_base_t key1 = KEY1_PIN;
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static rt_base_t key_wkup = WKUP_PIN;
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uint32_t speed = 500;
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/* set LED5 pin mode to output */
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rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
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/* set KEY pin mode to input */
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rt_pin_mode(KEY1_PIN, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY1_PIN, PIN_IRQ_MODE_FALLING, key_pressed_cb, &key1);
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rt_pin_irq_enable(KEY1_PIN, PIN_IRQ_ENABLE);
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rt_pin_mode(WKUP_PIN, PIN_MODE_INPUT_PULLDOWN);
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rt_pin_attach_irq(WKUP_PIN, PIN_IRQ_MODE_RISING, key_pressed_cb, &key_wkup);
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rt_pin_irq_enable(WKUP_PIN, PIN_IRQ_ENABLE);
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while (1)
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{
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rt_pin_write(LED_PIN, PIN_LOW);
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rt_thread_mdelay(speed);
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rt_pin_write(LED_PIN, PIN_HIGH);
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rt_thread_mdelay(speed);
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}
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}
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