bl_mcu_sdk/examples/timer/timer_basic/main.c

80 lines
3.3 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_timer.h"
#include "bflb_platform.h"
volatile uint32_t cnt = 0;
int main(void)
{
bflb_platform_init(0);
timer_user_cfg_t timer_user_cfg0;
timer_user_cfg0.timeout_val = 1000 * 10; /* us */
timer_user_cfg0.comp_it = TIMER_COMP0_IT;
timer_user_cfg_t timer_user_cfg1;
timer_user_cfg1.timeout_val = 1000 * 100; /* us */
timer_user_cfg1.comp_it = TIMER_COMP1_IT;
timer_user_cfg_t timer_user_cfg2;
timer_user_cfg2.timeout_val = 1000 * 1000; /* us */
timer_user_cfg2.comp_it = TIMER_COMP2_IT;
timer_register(TIMER_CH1_INDEX, "timer_ch1");
struct device *timer_ch1 = device_find("timer_ch1");
if (timer_ch1) {
device_open(timer_ch1, DEVICE_OFLAG_POLL);
device_control(timer_ch1, DEVICE_CTRL_TIMER_CH_START, (void *)(&timer_user_cfg0));
device_control(timer_ch1, DEVICE_CTRL_TIMER_CH_START, (void *)(&timer_user_cfg1));
device_control(timer_ch1, DEVICE_CTRL_TIMER_CH_START, (void *)(&timer_user_cfg2));
} else {
MSG("timer device open failed! \n");
}
while (1) {
if (SET == device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP2)) {
MSG("Comparator 2 match, timer reload\n");
device_control(timer_ch1, DEVICE_CTRL_TIMER_CH_START, (void *)(&timer_user_cfg0));
device_control(timer_ch1, DEVICE_CTRL_TIMER_CH_START, (void *)(&timer_user_cfg1));
device_control(timer_ch1, DEVICE_CTRL_TIMER_CH_START, (void *)(&timer_user_cfg2));
MSG("Counter value=%d,M0=%d, M1=%d,M2=%d \n", device_control(timer_ch1, DEVICE_CTRL_GET_CONFIG, NULL),
device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP0),
device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP1),
device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP2));
break;
}
MSG("Counter value=%d,M0=%d, M1=%d,M2=%d \n", device_control(timer_ch1, DEVICE_CTRL_GET_CONFIG, NULL),
device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP0),
device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP1),
device_control(timer_ch1, DEVICE_CTRL_GET_MATCH_STATUS, (void *)TIMER_EVENT_COMP2));
}
BL_CASE_SUCCESS;
while (1) {
bflb_platform_delay_ms(100);
}
}