53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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/**
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* Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
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*
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* Description: ADC Sample Source. \n
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*
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* History: \n
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* 2023-07-06, Create file. \n
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*/
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#include "pinctrl.h"
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#include "adc.h"
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#include "adc_porting.h"
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#include "common_def.h"
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#include "soc_osal.h"
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#include "app_init.h"
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#include "tcxo.h"
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#define DELAY_10000MS 10000
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#define CYCLES 10
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#define ADC_TASK_PRIO 26
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#define ADC_TASK_STACK_SIZE 0x1000
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static void *adc_task(const char *arg)
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{
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unused(arg);
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osal_printk("start adc sample\r\n");
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uapi_adc_init(ADC_CLOCK_NONE);
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uint8_t adc_channel = CONFIG_ADC_CHANNEL;
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uint16_t voltage = 0;
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uint32_t cnt = 0;
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while (cnt++ < CYCLES) {
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adc_port_read(adc_channel, &voltage);
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osal_printk("voltage: %d mv\r\n", voltage);
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osal_msleep(DELAY_10000MS);
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}
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/* 当前测量的电压值和实际值可能有较大差别，请确认是否有分压电阻，如果有分压电阻，则差别符合预期 */
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uapi_adc_deinit();
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return NULL;
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}
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static void adc_entry(void)
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{
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osal_task *task_handle = NULL;
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osal_kthread_lock();
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task_handle = osal_kthread_create((osal_kthread_handler)adc_task, 0, "AdcTask", ADC_TASK_STACK_SIZE);
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if (task_handle != NULL) {
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osal_kthread_set_priority(task_handle, ADC_TASK_PRIO);
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}
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osal_kthread_unlock();
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}
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/* Run the adc_entry. */
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app_run(adc_entry);
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