From 26321162eeaa3a158285a4175254ea9530210614 Mon Sep 17 00:00:00 2001 From: Kevin Le Date: Sat, 27 Dec 2025 15:23:23 +0700 Subject: [PATCH 1/2] To fix the default temperature to be overridden by external sensors (if any) --- examples/simple_repeater/MyMesh.cpp | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp index 6ae6ac0a8..993b27796 100644 --- a/examples/simple_repeater/MyMesh.cpp +++ b/examples/simple_repeater/MyMesh.cpp @@ -174,17 +174,18 @@ int MyMesh::handleRequest(ClientInfo *sender, uint32_t sender_timestamp, uint8_t telemetry.reset(); telemetry.addVoltage(TELEM_CHANNEL_SELF, (float)board.getBattMilliVolts() / 1000.0f); - float temperature = board.getMCUTemperature(); - if(!isnan(temperature)) { // Supported boards with built-in temperature sensor. ESP32-C3 may return NAN - telemetry.addTemperature(TELEM_CHANNEL_SELF, temperature); // Built-in MCU Temperature - } - // query other sensors -- target specific if ((sender->permissions & PERM_ACL_ROLE_MASK) == PERM_ACL_GUEST) { perm_mask = 0x00; // just base telemetry allowed } sensors.querySensors(perm_mask, telemetry); + // This default temperature will be overridden by external sensors (if any) + float temperature = board.getMCUTemperature(); + if(!isnan(temperature)) { // Supported boards with built-in temperature sensor. ESP32-C3 may return NAN + telemetry.addTemperature(TELEM_CHANNEL_SELF, temperature); // Built-in MCU Temperature + } + uint8_t tlen = telemetry.getSize(); memcpy(&reply_data[4], telemetry.getBuffer(), tlen); return 4 + tlen; // reply_len From 0b30d2433f014fec50037b5d49ec4cbfa6b3cc22 Mon Sep 17 00:00:00 2001 From: Kevin Le Date: Sat, 27 Dec 2025 15:25:21 +0700 Subject: [PATCH 2/2] To get and average the temperature so it is more accurate, especially in low temperature --- src/helpers/ESP32Board.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/helpers/ESP32Board.h b/src/helpers/ESP32Board.h index 64c92c43d..61f814fd9 100644 --- a/src/helpers/ESP32Board.h +++ b/src/helpers/ESP32Board.h @@ -44,7 +44,14 @@ class ESP32Board : public mesh::MainBoard { // Temperature from ESP32 MCU float getMCUTemperature() override { - return temperatureRead(); + uint32_t raw = 0; + + // To get and average the temperature so it is more accurate, especially in low temperature + for (int i = 0; i < 4; i++) { + raw += temperatureRead(); + } + + return raw / 4; } uint8_t getStartupReason() const override { return startup_reason; }