bl_mcu_sdk/examples/gpio/gpio_int/main.c

53 lines
1.8 KiB
C

/**
* @file main.c
* @brief
*
* Copyright (c) 2021 Bouffalolab team
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
#include "hal_gpio.h"
static void gpio_int_callback(uint32_t pin)
{
MSG("gpio :%d rising trigger !\r\n", pin);
}
int main(void)
{
bflb_platform_init(0);
gpio_set_mode(GPIO_PIN_18, GPIO_SYNC_FALLING_TRIGER_INT_MODE);
gpio_attach_irq(GPIO_PIN_18, gpio_int_callback);
gpio_irq_enable(GPIO_PIN_18, ENABLE);
gpio_set_mode(GPIO_PIN_19, GPIO_SYNC_FALLING_TRIGER_INT_MODE);
gpio_attach_irq(GPIO_PIN_19, gpio_int_callback);
gpio_irq_enable(GPIO_PIN_19, ENABLE);
gpio_set_mode(GPIO_PIN_20, GPIO_SYNC_RISING_TRIGER_INT_MODE);
gpio_attach_irq(GPIO_PIN_20, gpio_int_callback);
gpio_irq_enable(GPIO_PIN_20, ENABLE);
gpio_set_mode(GPIO_PIN_21, GPIO_SYNC_RISING_TRIGER_INT_MODE);
gpio_attach_irq(GPIO_PIN_21, gpio_int_callback);
gpio_irq_enable(GPIO_PIN_21, ENABLE);
MSG("gpio int test !\r\n");
BL_CASE_SUCCESS;
while (1) {
bflb_platform_delay_ms(100);
}
}