mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
f8500f77b1
By design, it's 12 dB. There're errors among chips, so the actual attenuation will be 11dB more or less
17 lines
436 B
C
17 lines
436 B
C
/*
|
|
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Unlicense OR CC0-1.0
|
|
*/
|
|
#pragma once
|
|
|
|
#include "hal/adc_types.h"
|
|
|
|
#define EXAMPLE_ADC_CHANNEL ADC_CHANNEL_0
|
|
#define EXAMPLE_ADC_UNIT ADC_UNIT_1
|
|
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_12
|
|
#define EXAMPLE_ADC_WIDTH ADC_BITWIDTH_DEFAULT
|
|
|
|
/* Set high threshold, approx. 1.75V*/
|
|
#define EXAMPLE_ADC_TRESHOLD 2000
|