116 lines
3.5 KiB
C
Executable File
116 lines
3.5 KiB
C
Executable File
/*
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* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include "kernel/os/os.h"
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#include "driver/chip/hal_timer.h"
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/** Have TIMER0_ID & TIMER1_ID timer **/
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#define TIMERID TIMER0_ID
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//#define TIMERID TIMER1_ID
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#define HFCLOCK 24000000 /*External clock frequency (Hz)*/
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#define CLK_PRESCALER 4 /*clock prescale*/
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#define COUNT_TIME 1 /*timer count down time (second)*/
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uint32_t sec_count;
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void timer_callback(void *arg)
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{
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sec_count++;
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printf(" timer irq: %u\n", sec_count);
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}
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int timer_init(void)
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{
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HAL_Status status = HAL_ERROR;
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TIMER_InitParam param;
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param.arg = NULL;
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param.callback = timer_callback;
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param.cfg = HAL_TIMER_MakeInitCfg(TIMER_MODE_REPEAT, /*timer mode*/
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TIMER_CLK_SRC_HFCLK, /*HFCLOCK*/
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TIMER_CLK_PRESCALER_4); /*CLK_PRESCALER*/
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param.isEnableIRQ = 1;
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param.period = COUNT_TIME * (HFCLOCK / CLK_PRESCALER);
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status = HAL_TIMER_Init(TIMERID, ¶m);
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if (status != HAL_OK)
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printf("timer int error %d\n", status);
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return status;
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}
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void timer_show(void)
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{
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HAL_TIMER_Start(TIMERID);
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printf("timer%d start.\n", TIMERID);
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printf("the timer count down 1s\n");
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printf("wait timer irq.\n");
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OS_Sleep(10);
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HAL_TIMER_Pause(TIMERID);
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printf("timer over 10s,timer pause 10s!\n");
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OS_Sleep(10);
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HAL_TIMER_Continue(TIMERID);
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printf("timer over 20s,timer continue.\n");
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OS_Sleep(10);
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HAL_TIMER_Stop(TIMERID);
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printf("timer over 30s, timer stop!\n");
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printf("timer show over.\n");
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}
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int timer_deinit(void)
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{
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HAL_Status status = HAL_ERROR;
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status = HAL_TIMER_DeInit(TIMERID);
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if (status != HAL_OK)
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printf("timer deinit error %d\n", status);
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return status;
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}
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/* Run this example, please connect the uart0 */
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int main(void)
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{
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printf("timer example started.\n\n");
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timer_init();
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timer_show();
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timer_deinit();
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printf("timer example over.\n");
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return 0;
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}
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