bl_mcu_sdk/examples/timer/timer_int/main.c

62 lines
1.9 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 "bflb_platform.h"
#include "hal_timer.h"
struct device *timer0;
volatile uint32_t cnt = 0;
void timer0_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
{
if (state == TIMER_EVENT_COMP0) {
MSG("timer event comp0! \r\n");
} else if (state == TIMER_EVENT_COMP1) {
MSG("timer event comp1! \r\n");
} else if (state == TIMER_EVENT_COMP2) {
BL_CASE_SUCCESS;
timer_timeout_cfg_t cfg = { 2, 12000000 }; /*modify compare id 2 timeout 12s*/
device_write(dev, 0, &cfg, sizeof(timer_timeout_cfg_t));
MSG("timer event comp2! \r\n");
}
}
int main(void)
{
bflb_platform_init(0);
timer_register(TIMER0_INDEX, "timer0");
timer0 = device_find("timer0");
if (timer0) {
device_open(timer0, DEVICE_OFLAG_INT_TX); /* 1s,2s,3s timing*/
device_set_callback(timer0, timer0_irq_callback);
device_control(timer0, DEVICE_CTRL_SET_INT, (void *)(TIMER_COMP0_IT | TIMER_COMP1_IT | TIMER_COMP2_IT));
} else {
MSG("timer device open failed! \n");
}
while (1) {
}
}