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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/*
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* Copyright (c) 2022-2023, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Authors: matteo <duanmt@artinchip.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <console.h>
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#include <getopt.h>
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#include "aic_common.h"
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#include "aic_log.h"
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#include "hal_pwm.h"
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static void usage(char *program)
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{
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printf("Usage: %s [ch] [period] [duty]\n", program);
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printf("Note: The unit of period/duty is ns.\n");
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printf("Example: %s 0 1000 500\n", program);
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}
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static int test_pwm_init(u32 ch)
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{
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static u32 inited = 0;
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struct aic_pwm_action action0 = {
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/* CBD, CBU, CAD, */
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PWM_ACT_NONE, PWM_ACT_NONE, PWM_ACT_NONE,
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/* CAU, PRD, ZRO */
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PWM_ACT_LOW, PWM_ACT_HIGH, PWM_ACT_NONE};
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struct aic_pwm_action action1 = {
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/* CBD, CBU, CAD, */
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PWM_ACT_NONE, PWM_ACT_NONE, PWM_ACT_NONE,
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/* CAU, PRD, ZRO */
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PWM_ACT_LOW, PWM_ACT_HIGH, PWM_ACT_NONE};
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if (!inited && hal_pwm_init())
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return -1;
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hal_pwm_ch_init(ch, PWM_MODE_UP_COUNT, 0, &action0, &action1);
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inited = 1;
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return 0;
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}
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static int cmd_test_pwm(int argc, char **argv)
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{
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u32 ch = 0, period = 0, duty = 0;
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if (argc != 4) {
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pr_err("Invalid argument\n");
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usage(argv[0]);
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return -1;
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}
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ch = atoi(argv[1]);
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if (ch >= AIC_PWM_CH_NUM) {
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pr_err("Invalid channel No. %s\n", argv[1]);
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return -1;
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}
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period = atoi(argv[2]);
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duty = atoi(argv[3]);
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if (duty > period) {
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pr_info("Duty %s is out of range.\n", argv[3]);
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duty = period;
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}
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printf("Set PWM%d: %d/%d ns\n", ch, duty, period);
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if (test_pwm_init(ch))
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return -1;
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if (hal_pwm_enable(ch))
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return -1;
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if (hal_pwm_set(ch, duty, period))
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return -1;
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return 0;
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}
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CONSOLE_CMD(test_pwm, cmd_test_pwm, "PWM test example");
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