Telemetry: add support of AHT10/AHT20 temp/humidity sensor to Promicro

Normunds Gavars · Normunds Gavars · commit e5925e5f41ef · 2025-05-16T15:03:42.000+03:00
diff --git a/variants/promicro/platformio.ini b/variants/promicro/platformio.ini
@@ -19,6 +19,9 @@ build_src_filter = ${nrf52840_base.build_src_filter}
   +<../variants/promicro>
 lib_deps= ${nrf52840_base.lib_deps}
 	adafruit/Adafruit SSD1306 @ ^2.5.13
+  robtillaart/INA3221 @ ^0.4.1
+  robtillaart/INA219 @ ^0.4.1
+  adafruit/Adafruit AHTX0@^2.0.5
 
 [env:Faketec_Repeater]
 extends = Faketec
@@ -36,8 +39,6 @@ build_flags =
 ;  -D MESH_DEBUG=1
 lib_deps = ${Faketec.lib_deps}
   adafruit/RTClib @ ^2.1.3
-  robtillaart/INA3221 @ ^0.4.1
-  robtillaart/INA219 @ ^0.4.1
 
 [env:Faketec_room_server]
 extends = Faketec
@@ -54,8 +55,6 @@ build_flags = ${Faketec.build_flags}
 ;  -D MESH_DEBUG=1
 lib_deps = ${Faketec.lib_deps}
   adafruit/RTClib @ ^2.1.3
-  robtillaart/INA3221 @ ^0.4.1
-  robtillaart/INA219 @ ^0.4.1
 
 [env:Faketec_terminal_chat]
 extends = Faketec
@@ -69,8 +68,6 @@ build_src_filter = ${Faketec.build_src_filter}
 lib_deps = ${Faketec.lib_deps}
   densaugeo/base64 @ ~1.4.0
   adafruit/RTClib @ ^2.1.3
-  robtillaart/INA3221 @ ^0.4.1  
-  robtillaart/INA219 @ ^0.4.1  
 
 [env:Faketec_companion_radio_usb]
 extends = Faketec
@@ -85,8 +82,6 @@ build_src_filter = ${Faketec.build_src_filter}
 lib_deps = ${Faketec.lib_deps}
   adafruit/RTClib @ ^2.1.3
   densaugeo/base64 @ ~1.4.0
-  robtillaart/INA3221 @ ^0.4.1
-  robtillaart/INA219 @ ^0.4.1    
 
 [env:Faketec_companion_radio_ble]
 extends = Faketec
@@ -107,8 +102,6 @@ build_src_filter = ${Faketec.build_src_filter}
 lib_deps = ${Faketec.lib_deps}
   adafruit/RTClib @ ^2.1.3
   densaugeo/base64 @ ~1.4.0
-  robtillaart/INA3221 @ ^0.4.1
-  robtillaart/INA219 @ ^0.4.1  
 
 [ProMicroLLCC68]
 extends = nrf52840_base
@@ -125,6 +118,10 @@ build_src_filter =
   ${nrf52840_base.build_src_filter}
   +<helpers/nrf52/PromicroBoard.cpp>
   +<../variants/promicro>
+lib_deps= ${nrf52840_base.lib_deps}
+  robtillaart/INA3221 @ ^0.4.1
+  robtillaart/INA219 @ ^0.4.1
+  adafruit/Adafruit AHTX0@^2.0.5
 
 [env:ProMicroLLCC68_Repeater]
 extends = ProMicroLLCC68
@@ -138,8 +135,6 @@ build_flags = ${ProMicroLLCC68.build_flags}
 ;  -D MESH_DEBUG=1
 lib_deps = ${ProMicroLLCC68.lib_deps}
   adafruit/RTClib @ ^2.1.3
-  robtillaart/INA3221 @ ^0.4.1  
-  robtillaart/INA219 @ ^0.4.1  
 
 [env:ProMicroLLCC68_room_server]
 extends = ProMicroLLCC68
@@ -153,8 +148,6 @@ build_flags = ${ProMicroLLCC68.build_flags}
 ;  -D MESH_DEBUG=1
 lib_deps = ${ProMicroLLCC68.lib_deps}
   adafruit/RTClib @ ^2.1.3
-  robtillaart/INA3221 @ ^0.4.1  
-  robtillaart/INA219 @ ^0.4.1
 
 [env:ProMicroLLCC68_terminal_chat]
 extends = ProMicroLLCC68
@@ -168,8 +161,6 @@ build_src_filter = ${ProMicroLLCC68.build_src_filter}
 lib_deps = ${ProMicroLLCC68.lib_deps}
   densaugeo/base64 @ ~1.4.0
   adafruit/RTClib @ ^2.1.3
-  robtillaart/INA3221 @ ^0.4.1  
-  robtillaart/INA219 @ ^0.4.1
 
 [env:ProMicroLLCC68_companion_radio_usb]
 extends = ProMicroLLCC68
@@ -183,8 +174,6 @@ build_src_filter = ${ProMicroLLCC68.build_src_filter}
 lib_deps = ${ProMicroLLCC68.lib_deps}
   adafruit/RTClib @ ^2.1.3
   densaugeo/base64 @ ~1.4.0
-  robtillaart/INA3221 @ ^0.4.1  
-  robtillaart/INA219 @ ^0.4.1
 
 [env:ProMicroLLCC68_companion_radio_ble]
 extends = ProMicroLLCC68
@@ -204,5 +193,3 @@ build_src_filter = ${ProMicroLLCC68.build_src_filter}
 lib_deps = ${ProMicroLLCC68.lib_deps}
   adafruit/RTClib @ ^2.1.3
   densaugeo/base64 @ ~1.4.0
-  robtillaart/INA3221 @ ^0.4.1  
-  robtillaart/INA219 @ ^0.4.1
diff --git a/variants/promicro/target.cpp b/variants/promicro/target.cpp
@@ -77,48 +77,41 @@ mesh::LocalIdentity radio_new_identity() {
 
 static INA3221 INA_3221(TELEM_INA3221_ADDRESS, &Wire);
 static INA219 INA_219(TELEM_INA219_ADDRESS, &Wire);
+static Adafruit_AHTX0 AHTX;
 
 bool PromicroSensorManager::begin() {
-  if (INA_3221.begin()) {
-    MESH_DEBUG_PRINTLN("Found INA3221 at address: %02X", INA_3221.getAddress());
-    MESH_DEBUG_PRINTLN("%04X %04X %04X", INA_3221.getDieID(), INA_3221.getManufacturerID(), INA_3221.getConfiguration());
+  initINA3221();
+  initINA219();
+  initAHTX();
 
-    for(int i = 0; i < 3; i++) {
-      INA_3221.setShuntR(i, TELEM_INA3221_SHUNT_VALUE);
-    }
-    INA3221initialized = true;
-  } else {
-    INA3221initialized = false;
-    MESH_DEBUG_PRINTLN("INA3221 was not found at I2C address %02X", TELEM_INA3221_ADDRESS);
-  }
-  if (INA_219.begin()) {
-    MESH_DEBUG_PRINTLN("Found INA219 at address: %02X", INA_219.getAddress());
-    INA219_CHANNEL = INA3221initialized ? TELEM_CHANNEL_SELF + 4 : TELEM_CHANNEL_SELF + 1;
-    INA_219.setMaxCurrentShunt(TELEM_INA219_MAX_CURRENT, TELEM_INA219_SHUNT_VALUE);
-    INA219initialized = true;
-  } else {
-    INA219initialized = false;
-    MESH_DEBUG_PRINTLN("INA219 was not found at I2C address %02X", TELEM_INA219_ADDRESS);
-  }
   return true;
 }
 
 bool PromicroSensorManager::querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) {
+  int nextAvalableChannel = TELEM_CHANNEL_SELF + 1;
   if (requester_permissions & TELEM_PERM_ENVIRONMENT) {
     if (INA3221initialized) {
       for(int i = 0; i < 3; i++) {
         // add only enabled INA3221 channels to telemetry
         if (INA3221_CHANNEL_ENABLED[i]) {
-          telemetry.addVoltage(INA3221_CHANNELS[i], INA_3221.getBusVoltage(i));
-          telemetry.addCurrent(INA3221_CHANNELS[i], INA_3221.getCurrent(i));
-          telemetry.addPower(INA3221_CHANNELS[i], INA_3221.getPower(i));
+          telemetry.addVoltage(nextAvalableChannel, INA_3221.getBusVoltage(i));
+          telemetry.addCurrent(nextAvalableChannel, INA_3221.getCurrent(i));
+          telemetry.addPower(nextAvalableChannel, INA_3221.getPower(i));
+          nextAvalableChannel++;
         }
       }
     }
-    if(INA219initialized) {
-      telemetry.addVoltage(INA219_CHANNEL, INA_219.getBusVoltage());
-      telemetry.addCurrent(INA219_CHANNEL, INA_219.getCurrent());
-      telemetry.addPower(INA219_CHANNEL, INA_219.getPower());
+    if (INA219initialized) {
+      telemetry.addVoltage(nextAvalableChannel, INA_219.getBusVoltage());
+      telemetry.addCurrent(nextAvalableChannel, INA_219.getCurrent());
+      telemetry.addPower(nextAvalableChannel, INA_219.getPower());
+      nextAvalableChannel++;
+    }
+    if (AHTXinitialized) {
+      sensors_event_t humidity, temp;
+      AHTX.getEvent(&humidity, &temp);
+      telemetry.addTemperature(TELEM_CHANNEL_SELF, temp.temperature);
+      telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, humidity.relative_humidity);
     }
   }
 
@@ -162,4 +155,40 @@ bool PromicroSensorManager::setSettingValue(const char* name, const char* value)
     }
   }
   return false;
-}
+}
+
+void PromicroSensorManager::initINA3221() {
+  if (INA_3221.begin()) {
+    MESH_DEBUG_PRINTLN("Found INA3221 at address: %02X", INA_3221.getAddress());
+    MESH_DEBUG_PRINTLN("%04X %04X %04X", INA_3221.getDieID(), INA_3221.getManufacturerID(), INA_3221.getConfiguration());
+
+    for(int i = 0; i < 3; i++) {
+      INA_3221.setShuntR(i, TELEM_INA3221_SHUNT_VALUE);
+    }
+    INA3221initialized = true;
+  } else {
+    INA3221initialized = false;
+    MESH_DEBUG_PRINTLN("INA3221 was not found at I2C address %02X", TELEM_INA3221_ADDRESS);
+  }
+}
+
+void PromicroSensorManager::initINA219() { 
+  if (INA_219.begin()) {
+    MESH_DEBUG_PRINTLN("Found INA219 at address: %02X", INA_219.getAddress());
+    INA_219.setMaxCurrentShunt(TELEM_INA219_MAX_CURRENT, TELEM_INA219_SHUNT_VALUE);
+    INA219initialized = true;
+  } else {
+    INA219initialized = false;
+    MESH_DEBUG_PRINTLN("INA219 was not found at I2C address %02X", TELEM_INA219_ADDRESS);
+  }
+}
+
+void PromicroSensorManager::initAHTX() { 
+  if (AHTX.begin(&Wire, 0, TELEM_AHTX_ADDRESS)) {
+    MESH_DEBUG_PRINTLN("Found AHT10/AHT20 at address: %02X", TELEM_AHTX_ADDRESS);
+    AHTXinitialized = true;
+  } else {
+    AHTXinitialized = false;
+    MESH_DEBUG_PRINTLN("AHT10/AHT20 was not found at I2C address %02X", TELEM_AHTX_ADDRESS);
+  }
+}
diff --git a/variants/promicro/target.h b/variants/promicro/target.h
@@ -10,6 +10,7 @@
 #include <helpers/SensorManager.h>
 #include <INA3221.h>
 #include <INA219.h>
+#include <Adafruit_AHTX0.h>
 
 #define NUM_SENSOR_SETTINGS 3
 
@@ -26,6 +27,7 @@ mesh::LocalIdentity radio_new_identity();
 
 #define TELEM_INA3221_ADDRESS 0x42      // INA3221 3 channel current sensor I2C address
 #define TELEM_INA219_ADDRESS  0x40      // INA219 single channel current sensor I2C address
+#define TELEM_AHTX_ADDRESS    0x38      // AHT10, AHT20 temperature and humidity sensor I2C address
 
 #define TELEM_INA3221_SHUNT_VALUE 0.100 // most variants will have a 0.1 ohm shunts
 #define TELEM_INA3221_SETTING_CH1 "INA3221-1"
@@ -38,13 +40,15 @@ mesh::LocalIdentity radio_new_identity();
 class PromicroSensorManager: public SensorManager {
   bool INA3221initialized = false;
   bool INA219initialized = false;
+  bool AHTXinitialized = false;
 
   // INA3221 channels in telemetry
-  int INA3221_CHANNELS[NUM_SENSOR_SETTINGS] = {TELEM_CHANNEL_SELF + 1, TELEM_CHANNEL_SELF + 2, TELEM_CHANNEL_SELF+ 3};
   const char * INA3221_CHANNEL_NAMES[NUM_SENSOR_SETTINGS] = { TELEM_INA3221_SETTING_CH1, TELEM_INA3221_SETTING_CH2, TELEM_INA3221_SETTING_CH3};
   bool INA3221_CHANNEL_ENABLED[NUM_SENSOR_SETTINGS] = {true, true, true};
   
-  int INA219_CHANNEL;
+  void initINA3221();
+  void initINA219();
+  void initAHTX();
 public:
   PromicroSensorManager(){};
   bool begin() override;
