From a96d1022a007430179843aa028f6ecbe7883ee3f Mon Sep 17 00:00:00 2001
From: Martin Kudlacek <kudlacek@unipi.technology>
Date: Mon, 28 Jul 2025 09:41:06 +0200
Subject: [PATCH] Added support for TI INA260

---
 .../sensors/EnvironmentSensorManager.cpp      | 25 +++++++++++++++++++
 .../sensors/EnvironmentSensorManager.h        |  1 +
 variants/rak4631/platformio.ini               |  2 ++
 3 files changed, 28 insertions(+)

diff --git a/src/helpers/sensors/EnvironmentSensorManager.cpp b/src/helpers/sensors/EnvironmentSensorManager.cpp
index 5412ea6b..2befdf04 100644
--- a/src/helpers/sensors/EnvironmentSensorManager.cpp
+++ b/src/helpers/sensors/EnvironmentSensorManager.cpp
@@ -53,6 +53,12 @@ static Adafruit_INA3221 INA3221;
 static Adafruit_INA219 INA219(TELEM_INA219_ADDRESS);
 #endif
 
+#if ENV_INCLUDE_INA260
+#define TELEM_INA260_ADDRESS    0x41      // INA260 single channel current sensor I2C address
+#include <Adafruit_INA260.h>
+static Adafruit_INA260 INA260;
+#endif
+
 #if ENV_INCLUDE_MLX90614
 #define TELEM_MLX90614_ADDRESS 0x5A      // MLX90614 IR temperature sensor I2C address
 #include <Adafruit_MLX90614.h>
@@ -165,6 +171,16 @@ bool EnvironmentSensorManager::begin() {
   }
   #endif
 
+  #if ENV_INCLUDE_INA260
+  if (INA260.begin(TELEM_INA260_ADDRESS, TELEM_WIRE)) {
+    MESH_DEBUG_PRINTLN("Found INA260 at address: %02X", TELEM_INA260_ADDRESS);
+    INA260_initialized = true;
+  } else {
+    INA260_initialized = false;
+    MESH_DEBUG_PRINTLN("INA260 was not found at I2C address %02X", TELEM_INA219_ADDRESS);
+  }
+  #endif
+
   #if ENV_INCLUDE_MLX90614
   if (MLX90614.begin(TELEM_MLX90614_ADDRESS, TELEM_WIRE)) {
     MESH_DEBUG_PRINTLN("Found MLX90614 at address: %02X", TELEM_MLX90614_ADDRESS);
@@ -265,6 +281,15 @@ bool EnvironmentSensorManager::querySensors(uint8_t requester_permissions, Cayen
     }
     #endif
 
+    #if ENV_INCLUDE_INA260
+    if (INA260_initialized) {
+      telemetry.addVoltage(next_available_channel, INA260.readBusVoltage() / 1000);
+      telemetry.addCurrent(next_available_channel, INA260.readCurrent() / 1000);
+      telemetry.addPower(next_available_channel, INA260.readPower() / 1000);
+      next_available_channel++;
+    }
+    #endif
+
     #if ENV_INCLUDE_MLX90614
     if (MLX90614_initialized) {
       telemetry.addTemperature(TELEM_CHANNEL_SELF, MLX90614.readObjectTempC());
diff --git a/src/helpers/sensors/EnvironmentSensorManager.h b/src/helpers/sensors/EnvironmentSensorManager.h
index 63c56643..cb26ab93 100644
--- a/src/helpers/sensors/EnvironmentSensorManager.h
+++ b/src/helpers/sensors/EnvironmentSensorManager.h
@@ -13,6 +13,7 @@ protected:
   bool BMP280_initialized = false;
   bool INA3221_initialized = false;
   bool INA219_initialized = false;
+  bool INA260_initialized = false;
   bool SHTC3_initialized = false;
   bool LPS22HB_initialized = false;
   bool MLX90614_initialized = false;
diff --git a/variants/rak4631/platformio.ini b/variants/rak4631/platformio.ini
index 29d07a78..754837d3 100644
--- a/variants/rak4631/platformio.ini
+++ b/variants/rak4631/platformio.ini
@@ -26,6 +26,7 @@ build_flags = ${nrf52_base.build_flags}
   -D ENV_INCLUDE_LPS22HB=1
   -D ENV_INCLUDE_INA3221=1
   -D ENV_INCLUDE_INA219=1
+  -D ENV_INCLUDE_INA260=1
 build_src_filter = ${nrf52_base.build_src_filter}
   +<../variants/rak4631>
   +<helpers/sensors>
@@ -40,6 +41,7 @@ lib_deps =
   adafruit/Adafruit BME280 Library @ ^2.3.0
   adafruit/Adafruit BMP280 Library @ ^2.6.8
   adafruit/Adafruit SHTC3 Library @ ^1.0.1
+  adafruit/Adafruit INA260 Library @ ^1.5.3
   sparkfun/SparkFun u-blox GNSS Arduino Library@^2.2.27
 
 [env:RAK_4631_Repeater]