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examples/ACS712_ESP32_external_ADC_Raw_Async/.arduino-ci.yml
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platforms: | ||
rpipico: | ||
board: rp2040:rp2040:rpipico | ||
package: rp2040:rp2040 | ||
gcc: | ||
features: | ||
defines: | ||
- ARDUINO_ARCH_RP2040 | ||
warnings: | ||
flags: | ||
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packages: | ||
rp2040:rp2040: | ||
url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json | ||
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compile: | ||
# Choosing to run compilation tests on 2 different Arduino platforms | ||
platforms: | ||
# - uno | ||
# - due | ||
# - zero | ||
# - leonardo | ||
# - m4 | ||
- esp32 | ||
# - esp8266 | ||
# - mega2560 | ||
# - rpipico | ||
libraries: | ||
- ADS1x15 | ||
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examples/ACS712_ESP32_external_ADC_Raw_Async/ACS712_ESP32_external_ADC_Raw_Async.ino
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// FILE: ACS712_ESP32_external_ADC_Raw_Async.ino | ||
// AUTHOR: Stian Blåsberg | ||
// PURPOSE: demo to measure mA DC with external ADC using raw values - asynchronous | ||
// URL: https://github.com/RobTillaart/ACS712 | ||
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#include "Arduino.h" | ||
#include "ACS712.h" | ||
#include "ADS1X15.h" | ||
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// I2C config | ||
#define ADS1015_ADDRESS 0x48 | ||
#define ADS1015_SCL 22 // default SCL ESP32 | ||
#define ADS1015_SDA 21 // default SDA ESP32 | ||
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// ADS1x15 config | ||
#define SENSOR_ACS712_ADSPIN 1 | ||
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uint16_t rawAdsValue; | ||
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// explicit parameters for demo | ||
ADS1015 ads1015(ADS1015_ADDRESS, &Wire); // ADS1015 == 12 bit | ||
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// SENSOR_ACS712_ADSPIN sets pin 1 of the ADS1015, 3.3 volt, 4095 = 12 bit, 100 = mVperAmpere | ||
ACS712 ACS(SENSOR_ACS712_ADSPIN, 3.3, 4095, 100); | ||
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/////////////////////////////////////////////////////////////// | ||
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void setup() | ||
{ | ||
Serial.begin(115200); | ||
while (!Serial); | ||
Serial.println(__FILE__); | ||
Serial.print("ACS712_LIB_VERSION: "); | ||
Serial.println(ACS712_LIB_VERSION); | ||
Serial.print("ADS1X15_LIB_VERSION: "); | ||
Serial.println(ADS1X15_LIB_VERSION); | ||
Serial.println(); | ||
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// ESP32 set wire pins explicitly | ||
Wire.begin(ADS1015_SDA, ADS1015_SCL); | ||
Wire.setClock(400000); | ||
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// initialize ADS1015, if fail => report | ||
if (ads1015.begin() == false) | ||
{ | ||
Serial.println("ADS1x15 not found. Check wires and pins. Reboot."); | ||
while(1); | ||
} | ||
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// set up the external ADC for the ACS712 | ||
ACS.setADCRaw(rawAdsValue, 3.3, 4095); | ||
ads1015.requestADC(0); | ||
} | ||
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void loop() | ||
{ | ||
if (ads1015.isBusy() == false) | ||
{ | ||
int16_t val_0 = ads1015.getValue(); | ||
// request a new one | ||
ads1015.requestADC(0); | ||
int mA = ACS.mA_DC(); | ||
Serial.println(mA); | ||
} | ||
// simulate other tasks... | ||
delay(1000); | ||
} | ||
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// -- END OF FILE -- |