Hi, I`ve tried ESP32 ADC - continuous mode example, from the official Espressif Arduino ESP32 API documentation, but it cant compile, most of the functions are not recognized.
Anyone tried this?
API: https://docs.espressif.com/projects/arduino-esp32/en/latest/api/adc.html
Code from the documentation:
// Define how many conversion per pin will happen and reading the data will be and average of all conversions
#define CONVERSIONS_PER_PIN 5
// Declare array of ADC pins that will be used for ADC Continuous mode - ONLY ADC1 pins are supported
// Number of selected pins can be from 1 to ALL ADC1 pins.
#ifdef CONFIG_IDF_TARGET_ESP32
uint8_t adc_pins[] = {36, 39, 34, 35}; //some of ADC1 pins for ESP32
#else
uint8_t adc_pins[] = {1, 2, 3, 4}; //ADC1 common pins for ESP32S2/S3 + ESP32C3/C6 + ESP32H2
#endif
// Calculate how many pins are declared in the array - needed as input for the setup function of ADC Continuous
uint8_t adc_pins_count = sizeof(adc_pins) / sizeof(uint8_t);
// Flag which will be set in ISR when conversion is done
volatile bool adc_coversion_done = false;
// Result structure for ADC Continuous reading
adc_continuos_data_t * result = NULL;
// ISR Function that will be triggered when ADC conversion is done
void ARDUINO_ISR_ATTR adcComplete() {
adc_coversion_done = true;
}
void setup() {
// Initialize serial communication at 115200 bits per second:
Serial.begin(115200);
// Optional for ESP32: Set the resolution to 9-12 bits (default is 12 bits)
analogContinuousSetWidth(12);
// Optional: Set different attenaution (default is ADC_11db)
analogContinuousSetAtten(ADC_11db);
// Setup ADC Continuous with following input:
// array of pins, count of the pins, how many conversions per pin in one cycle will happen, sampling frequency, callback function
analogContinuous(adc_pins, adc_pins_count, CONVERSIONS_PER_PIN, 20000, &adcComplete);
// Start ADC Continuous conversions
analogContinuousStart();
}
void loop() {
// Check if conversion is done and try to read data
if (adc_coversion_done == true) {
// Set ISR flag back to false
adc_coversion_done = false;
// Read data from ADC
if (analogContinuousRead(&result, 0)) {
// Optional: Stop ADC Continuous conversions to have more time to process (print) the data
analogContinuousStop();
for (int i = 0; i < adc_pins_count; i++) {
Serial.printf("\nADC PIN %d data:", result[i].pin);
Serial.printf("\n Avg raw value = %d", result[i].avg_read_raw);
Serial.printf("\n Avg milivolts value = %d", result[i].avg_read_mvolts);
}
// Delay for better readability of ADC data
delay(1000);
// Optional: If ADC was stopped, start ADC conversions and wait for callback function to set adc_coversion_done flag to true
analogContinuousStart();
}
else {
Serial.println("Error occured during reading data. Set Core Debug Level to error or lower for more informations.");
}
}
}
Post the complete list compiler error messages that you're getting verbatim ... not a paraphrased version.
Maybe some header file should be included?
I am using Arduino IDE 2 and latest ESP32 core 2.0.14
Compiling sketch...
"C:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\tools\\xtensa-esp32-elf-gcc\\esp-2021r2-patch5-8.4.0/bin/xtensa-esp32-elf-g++" -DHAVE_CONFIG_H "-DMBEDTLS_CONFIG_FILE=\"mbedtls/esp_config.h\"" -DUNITY_INCLUDE_CONFIG_H -DWITH_POSIX -D_GNU_SOURCE "-DIDF_VER=\"v4.4.6-dirty\"" -DESP_PLATFORM -D_POSIX_READER_WRITER_LOCKS "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/newlib/platform_include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/freertos/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/freertos/include/esp_additions/freertos" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/freertos/port/xtensa/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/freertos/include/esp_additions" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_hw_support/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_hw_support/include/soc" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_hw_support/include/soc/esp32" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_hw_support/port/esp32" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_hw_support/port/esp32/private_include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/heap/include" 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"-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/app_update/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/spi_flash/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/bootloader_support/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/nvs_flash/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/pthread/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_gdbstub/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_gdbstub/xtensa" 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"-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/rmaker_common/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_diagnostics/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/rtc_store/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_insights/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/json_parser/upstream/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/json_parser/upstream" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/json_generator/upstream" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_schedule/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp_secure_cert_mgr/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_rainmaker/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/gpio_button/button/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/qrcode/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/ws2812_led" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp_littlefs/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/tool" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/typedef" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/image" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/math" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/nn" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/layer" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/detect" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp-dl/include/model_zoo" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp32-camera/driver/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/esp32-camera/conversions/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/dotprod/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/support/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/support/mem/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/hann/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/blackman/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/blackman_harris/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/blackman_nuttall/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/nuttall/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/windows/flat_top/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/iir/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/fir/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/add/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/sub/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/mul/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/addc/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/mulc/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/math/sqrt/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/matrix/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/fft/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/dct/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/conv/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/common/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/kalman/ekf/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/espressif__esp-dsp/modules/kalman/ekf_imu13states/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/include/fb_gfx/include" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14/tools/sdk/esp32/qio_qspi/include" -mlongcalls -Wno-frame-address -ffunction-sections -fdata-sections -Wno-error=unused-function -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-sign-compare -ggdb -freorder-blocks -Wwrite-strings -fstack-protector -fstrict-volatile-bitfields -Wno-error=unused-but-set-variable -fno-jump-tables -fno-tree-switch-conversion -std=gnu++11 -fexceptions -fno-rtti -MMD -c -w -Os -DF_CPU=240000000L -DARDUINO=10607 -DARDUINO_ESP32_DEV -DARDUINO_ARCH_ESP32 "-DARDUINO_BOARD=\"ESP32_DEV\"" "-DARDUINO_VARIANT=\"esp32\"" -DARDUINO_PARTITION_default -DESP32 -DCORE_DEBUG_LEVEL=0 -DARDUINO_RUNNING_CORE=1 -DARDUINO_EVENT_RUNNING_CORE=1 -DARDUINO_USB_CDC_ON_BOOT=0 "@C:\\Users\\boRko\\AppData\\Local\\Temp\\arduino\\sketches\\FF53ECD2EFD89AF8982D4CE85188AC66/build_opt.h" "@C:\\Users\\boRko\\AppData\\Local\\Temp\\arduino\\sketches\\FF53ECD2EFD89AF8982D4CE85188AC66/file_opts" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14\\cores\\esp32" "-IC:\\Users\\boRko\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\2.0.14\\variants\\esp32" "C:\\Users\\boRko\\AppData\\Local\\Temp\\arduino\\sketches\\FF53ECD2EFD89AF8982D4CE85188AC66\\sketch\\ADC_ESP32_CM.ino.cpp" -o "C:\\Users\\boRko\\AppData\\Local\\Temp\\arduino\\sketches\\FF53ECD2EFD89AF8982D4CE85188AC66\\sketch\\ADC_ESP32_CM.ino.cpp.o"
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:21:1: error: 'adc_continuos_data_t' does not name a type
adc_continuos_data_t* result = NULL;
^~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino: In function 'void setup()':
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:33:3: error: 'analogContinuousSetWidth' was not declared in this scope
analogContinuousSetWidth(12);
^~~~~~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:33:3: note: suggested alternative: 'analogSetWidth'
analogContinuousSetWidth(12);
^~~~~~~~~~~~~~~~~~~~~~~~
analogSetWidth
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:36:3: error: 'analogContinuousSetAtten' was not declared in this scope
analogContinuousSetAtten(ADC_0db);
^~~~~~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:40:3: error: 'analogContinuous' was not declared in this scope
analogContinuous(adc_pins, adc_pins_count, CONVERSIONS_PER_PIN, 20000, &adcComplete);
^~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:40:3: note: suggested alternative: 'analogInPinToBit'
analogContinuous(adc_pins, adc_pins_count, CONVERSIONS_PER_PIN, 20000, &adcComplete);
^~~~~~~~~~~~~~~~
analogInPinToBit
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:43:3: error: 'analogContinuousStart' was not declared in this scope
analogContinuousStart();
^~~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:43:3: note: suggested alternative: 'analogInPinToBit'
analogContinuousStart();
^~~~~~~~~~~~~~~~~~~~~
analogInPinToBit
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino: In function 'void loop()':
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:52:31: error: 'result' was not declared in this scope
if (analogContinuousRead(&result, 0)) {
^~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:52:9: error: 'analogContinuousRead' was not declared in this scope
if (analogContinuousRead(&result, 0)) {
^~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:52:9: note: suggested alternative: 'analogRead'
if (analogContinuousRead(&result, 0)) {
^~~~~~~~~~~~~~~~~~~~
analogRead
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:55:7: error: 'analogContinuousStop' was not declared in this scope
analogContinuousStop();
^~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:55:7: note: suggested alternative: 'analogInPinToBit'
analogContinuousStop();
^~~~~~~~~~~~~~~~~~~~
analogInPinToBit
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:67:7: error: 'analogContinuousStart' was not declared in this scope
analogContinuousStart();
^~~~~~~~~~~~~~~~~~~~~
D:\Arduino\ESP32\ADC example\ADC_ESP32_CM\ADC_ESP32_CM.ino:67:7: note: suggested alternative: 'analogInPinToBit'
analogContinuousStart();
^~~~~~~~~~~~~~~~~~~~~
analogInPinToBit
exit status 1
Compilation error: 'adc_continuos_data_t' does not name a type
It looks like continuous mode is not available in 2.0.14 or previous versions. It is in v3.0.0 Alpha 3 .
You might try doing reads via DMA, which is claimed to be available in 2.0.14. See:
https://docs.espressif.com/projects/esp-idf/en/v4.4.6/esp32/api-reference/peripherals/adc.html
The function prototypes are available in:
#include "driver/adc.h"
system
Closed
July 17, 2024, 7:58pm
6
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