36 lines
899 B
C
36 lines
899 B
C
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/* ADC1 Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "driver/gpio.h"
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#include "driver/adc.h"
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#define ADC1_TEST_CHANNEL (4)
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void adc1task(void* arg)
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{
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// initialize ADC
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adc1_config_width(ADC_WIDTH_12Bit);
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adc1_config_channel_atten(ADC1_TEST_CHANNEL,ADC_ATTEN_11db);
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while(1){
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printf("The adc1 value:%d\n",adc1_get_voltage(ADC1_TEST_CHANNEL));
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vTaskDelay(1000/portTICK_PERIOD_MS);
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}
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}
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void app_main()
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{
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xTaskCreate(adc1task, "adc1task", 1024*3, NULL, 10, NULL);
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}
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