76 lines
2.3 KiB
C
Executable File
76 lines
2.3 KiB
C
Executable File
/*****************************************************************************
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* | File : luckfox_pwm_test.c
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* | Author : luckfox team
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* | Function : pwm output test
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2023-08-01
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* | Info : Basic version
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*
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h> //exit()
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#include <signal.h> //signal()
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#include "luckfox_pwm.h"
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int PWMS[] = { 0,1,10,11 };
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void Delay_ms(uint32_t xms) {
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uint32_t i;
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for (i = 0; i < xms; i++) {
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usleep(1000);
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}
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}
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void Handler(int signo)
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{
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// System Exit
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printf("\r\nHandler:exit\r\n");
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for (int x = 0; x < 4; x++)
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{
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luckfox_pwm_deinit(PWMS[x]);
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printf("PWM%dM0 deinit\r\n",PWMS[x]);
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}
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exit(0);
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}
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int main(int argc, char *argv[])
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{
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signal(SIGINT, Handler);
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for(int x = 0 ; x < 4;x++)
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{
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luckfox_pwm_init(PWMS[x], 100000, 5000*(x+1), PWM_POLARITY_INVERSED);
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luckfox_pwm_set_enable(PWMS[x], true);
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printf("PWM%dM0 period=%d duty=%d\r\n",PWMS[x],luckfox_pwm_get_period(PWMS[x]),luckfox_pwm_get_duty(PWMS[x]));
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}
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while(1)
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{
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Delay_ms(1000);
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}
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return 0;
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}
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