Files
luban-lite-t3e-pro/bsp/examples/test-psadc/test_psadc.c
刘可亮 8bca5e8332 v1.0.4
2024-04-03 16:40:57 +08:00

153 lines
3.8 KiB
C

/*
* Copyright (c) 2022-2023, ArtInChip Technology Co., Ltd
*
* SPDX-License-Identifier: Apache-2.0
*
* Authors: Li Siyao <siyao.li@artinchip.com>
*/
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <sys/time.h>
#include <rtthread.h>
#include "rtdevice.h"
#include "aic_core.h"
#include "aic_log.h"
#include "rtdevice.h"
#include "hal_psadc.h"
/* Global macro and variables */
#define AIC_PSADC_NAME "psadc"
#define AIC_PSADC_ADC_MAX_VAL 0xFFF
#define AIC_PSADC_DEFAULT_VOLTAGE 3
#define AIC_PSADC_QC_MODE 0
static rt_adc_device_t psadc_dev;
static const char sopts[] = "rt:sh";
static const struct option lopts[] = {
{"read", no_argument, NULL, 'r'},
{"voltage", required_argument, NULL, 't'},
{"status", no_argument, NULL, 's'},
{"help", no_argument, NULL, 'h'},
{0, 0, 0, 0}
};
/* Functions */
static void cmd_psadc_usage(char *program)
{
printf("Compile time: %s %s\n", __DATE__, __TIME__);
printf("Usage: %s [options]\n", program);
printf("\t -r, --read\t\tRead the adc value\n");
printf("\t -t, --voltage\t\tInput standard voltage, default is 3\n");
printf("\t -s, --status\t\tShow more hardware information\n");
printf("\t -h, --help \n");
printf("\n");
printf("Example: %s -r -t 3\n", program);
}
static void adc2voltage(float st_voltage, int adc_value)
{
int voltage;
voltage = (adc_value * st_voltage * 100) / AIC_PSADC_ADC_MAX_VAL;
rt_kprintf(" %d.%2dv", voltage / 100, voltage % 100);
return;
}
int psadc_get_adc(float st_voltage)
{
int ret = 0;
u32 adc_values[AIC_PSADC_CH_NUM];
int cnt = 0;
int chan_cnt = 0;
u64 start_us, end_us;
psadc_dev = (rt_adc_device_t)rt_device_find(AIC_PSADC_NAME);
if (!psadc_dev) {
rt_kprintf("Failed to open %s device\n", AIC_PSADC_NAME);
return -RT_ERROR;
}
rt_adc_enable(psadc_dev, AIC_PSADC_QC_MODE);
chan_cnt = rt_adc_control(psadc_dev, RT_ADC_CMD_GET_CHAN_COUNT, NULL);
rt_kprintf("Starting sampling for %d channels\n", chan_cnt);
while (cnt < 10) {
cnt++;
start_us = aic_get_time_us();
ret = rt_adc_control(psadc_dev, RT_ADC_CMD_GET_VALUES_POLL,
(void *)adc_values);
end_us = aic_get_time_us();
rt_kprintf("Sample time: %d us\n", abs(end_us - start_us));
if (ret < 0) {
rt_kprintf("Read timeout!\n");
return -RT_ERROR;
}
// aic_udelay(10);
rt_kprintf("[%d] PSADC: ", cnt);
for (int i = 0; i < chan_cnt; i++) {
rt_kprintf(" %d", adc_values[i]);
}
rt_kprintf("\nvoltage: ");
for (int i = 0; i < chan_cnt; i++) {
adc2voltage(st_voltage, adc_values[i]);
}
rt_kprintf("\n");
}
rt_adc_disable(psadc_dev, AIC_PSADC_QC_MODE);
return -RT_ERROR;
}
static void cmd_test_psadc(int argc, char **argv)
{
int c;
float st_voltage = AIC_PSADC_DEFAULT_VOLTAGE;
bool show_status = false;
if (argc < 2) {
cmd_psadc_usage(argv[0]);
return;
}
optind = 0;
while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
switch (c) {
case 'r':
psadc_get_adc(st_voltage);
break;
case 't':
st_voltage = atof(optarg);
break;
case 's':
show_status = true;
break;
case 'h':
default:
cmd_psadc_usage(argv[0]);
return;
}
}
if (show_status) {
aich_psadc_status_show();
aicos_msleep(10);
return;
}
if (st_voltage < 0) {
rt_kprintf("Please input standard voltage\n");
return;
}
return;
}
MSH_CMD_EXPORT_ALIAS(cmd_test_psadc, test_psadc, psadc device sample);