diff --git a/.gitignore b/.gitignore
index db1e0a68f7e3..eabba825511e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,5 +8,5 @@
.piolibdeps
.clang_complete
.gcc-flags.json
-.vscode
sonoff/user_config_override.h
+build
diff --git a/.vscode/arduino.json b/.vscode/arduino.json
new file mode 100644
index 000000000000..8b34fd3f6612
--- /dev/null
+++ b/.vscode/arduino.json
@@ -0,0 +1,7 @@
+{
+ "board": "esp8266:esp8266:generic",
+ "configuration": "CpuFrequency=80,ResetMethod=ck,CrystalFreq=26,FlashFreq=40,FlashMode=dout,FlashSize=1M0,LwIPVariant=Prebuilt,Debug=Disabled,DebugLevel=None____,UploadSpeed=115200",
+ "port": "/dev/ttyUSB0",
+ "sketch": "sonoff/sonoff.ino",
+ "output": "build"
+}
\ No newline at end of file
diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 000000000000..21083c5b0409
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,16 @@
+{
+ "configurations": [
+ {
+ "name": "Linux",
+ "browse": {
+ "limitSymbolsToIncludedHeaders": false,
+ "path": [
+ "/home/tortone/.arduino15/packages/esp8266/hardware",
+ "${workspaceRoot}"
+ ]
+ },
+ "intelliSenseMode": "clang-x64"
+ }
+ ],
+ "version": 3
+}
diff --git a/sonoff/i18n.h b/sonoff/i18n.h
index e1d27221be83..5e34007f3861 100644
--- a/sonoff/i18n.h
+++ b/sonoff/i18n.h
@@ -60,6 +60,7 @@
#define D_JSON_FLASHMODE "FlashMode"
#define D_JSON_FLASHSIZE "FlashSize"
#define D_JSON_FREEMEMORY "Free"
+#define D_JSON_FREQUENCY "Frequency"
#define D_JSON_FROM "from"
#define D_JSON_GAS "Gas"
#define D_JSON_GATEWAY "Gateway"
diff --git a/sonoff/language/bg-BG.h b/sonoff/language/bg-BG.h
index 7f30252ec769..b3aa97528c1e 100644
--- a/sonoff/language/bg-BG.h
+++ b/sonoff/language/bg-BG.h
@@ -91,6 +91,7 @@
#define D_FALSE "Невярно"
#define D_FILE "Файл"
#define D_FREE_MEMORY "Свободна памет"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Газ"
#define D_GATEWAY "Шлюз"
#define D_GROUP "Група"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "А"
#define D_UNIT_CENTIMETER "см"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "ч"
#define D_UNIT_KILOOHM "кОм"
#define D_UNIT_KILOWATTHOUR "кВт/ч"
diff --git a/sonoff/language/cs-CZ.h b/sonoff/language/cs-CZ.h
index a52f319014e7..6c07717c9698 100644
--- a/sonoff/language/cs-CZ.h
+++ b/sonoff/language/cs-CZ.h
@@ -91,6 +91,7 @@
#define D_FALSE "Nepravda"
#define D_FILE "Soubor"
#define D_FREE_MEMORY "Volná paměť"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Plyn"
#define D_GATEWAY "Výchozí brána"
#define D_GROUP "Skupina"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "hod"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/de-DE.h b/sonoff/language/de-DE.h
index b2ade5e2bd4b..d2808dd9c515 100644
--- a/sonoff/language/de-DE.h
+++ b/sonoff/language/de-DE.h
@@ -91,6 +91,7 @@
#define D_FALSE "falsch"
#define D_FILE "Datei"
#define D_FREE_MEMORY "Freier Arbeitsspeicher"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gas"
#define D_GATEWAY "Gateway"
#define D_GROUP "Gruppe"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "h"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/el-GR.h b/sonoff/language/el-GR.h
index e4280b0924fd..595281610300 100644
--- a/sonoff/language/el-GR.h
+++ b/sonoff/language/el-GR.h
@@ -91,6 +91,7 @@
#define D_FALSE "Λάθος"
#define D_FILE "Αρχείο"
#define D_FREE_MEMORY "Ελεύθερη Μνήμη"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Γκάζι"
#define D_GATEWAY "Πύλη"
#define D_GROUP "Ομάδα"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "Hr"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index ade787b9ebc7..32ca90460d37 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -91,6 +91,7 @@
#define D_FALSE "False"
#define D_FILE "File"
#define D_FREE_MEMORY "Free Memory"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gas"
#define D_GATEWAY "Gateway"
#define D_GROUP "Group"
@@ -453,6 +454,8 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
@@ -476,6 +479,7 @@
#define D_UNIT_VOLT "V"
#define D_UNIT_WATT "W"
#define D_UNIT_WATTHOUR "Wh"
+#define D_UNIT_HERTZ "Hz"
// Log message prefix
#define D_LOG_APPLICATION "APP: " // Application
diff --git a/sonoff/language/es-AR.h b/sonoff/language/es-AR.h
index ded21e8e7e9c..200af4e1ab5d 100644
--- a/sonoff/language/es-AR.h
+++ b/sonoff/language/es-AR.h
@@ -91,6 +91,7 @@
#define D_FALSE "Falso"
#define D_FILE "Archivo"
#define D_FREE_MEMORY "Memoria Libre"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gas"
#define D_GATEWAY "Gateway"
#define D_GROUP "Grupo"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "Hr"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/fr-FR.h b/sonoff/language/fr-FR.h
index a9211dab1852..b13e22418ee4 100644
--- a/sonoff/language/fr-FR.h
+++ b/sonoff/language/fr-FR.h
@@ -91,6 +91,7 @@
#define D_FALSE "Faux"
#define D_FILE "Fichier"
#define D_FREE_MEMORY "Mémoire libre"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gaz"
#define D_GATEWAY "Passerelle"
#define D_GROUP "Groupe"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "h"
#define D_UNIT_KILOOHM "kΩ"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/hu-HU.h b/sonoff/language/hu-HU.h
index 51d9e146fbdc..0a5c9a79cdb5 100644
--- a/sonoff/language/hu-HU.h
+++ b/sonoff/language/hu-HU.h
@@ -91,6 +91,7 @@
#define D_FALSE "Hamis"
#define D_FILE "File"
#define D_FREE_MEMORY "Szabad Memória"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gáz"
#define D_GATEWAY "Gateway"
#define D_GROUP "Csoport"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "ó"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/it-IT.h b/sonoff/language/it-IT.h
index e114c817684a..85f91a0a206c 100644
--- a/sonoff/language/it-IT.h
+++ b/sonoff/language/it-IT.h
@@ -91,6 +91,7 @@
#define D_FALSE "Falso"
#define D_FILE "File"
#define D_FREE_MEMORY "Memoria Libera"
+#define D_FREQUENCY "Frequenza"
#define D_GAS "Gas"
#define D_GATEWAY "Gateway"
#define D_GROUP "Gruppo"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "Hr"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index 5d3bcb9598a8..ba17c5db4bfe 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -91,6 +91,7 @@
#define D_FALSE "Onwaar"
#define D_FILE "Bestand"
#define D_FREE_MEMORY "Vrij geheugen"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gas"
#define D_GATEWAY "Gateway"
#define D_GROUP "Groep"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "h"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/pl-PL.h b/sonoff/language/pl-PL.h
index 19a27ebeb5f0..e1b1a5878707 100644
--- a/sonoff/language/pl-PL.h
+++ b/sonoff/language/pl-PL.h
@@ -91,6 +91,7 @@
#define D_FALSE "Fałsz"
#define D_FILE "Plik"
#define D_FREE_MEMORY "Wolna pamięć"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gas"
#define D_GATEWAY "Brama"
#define D_GROUP "Grupa"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "Godz"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/pt-BR.h b/sonoff/language/pt-BR.h
index a279782ebc57..83f53a165beb 100644
--- a/sonoff/language/pt-BR.h
+++ b/sonoff/language/pt-BR.h
@@ -91,6 +91,7 @@
#define D_FALSE "Falso"
#define D_FILE "Arquivo"
#define D_FREE_MEMORY "Memória Livre"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gás"
#define D_GATEWAY "Gateway"
#define D_GROUP "Grupo"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "H"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/pt-PT.h b/sonoff/language/pt-PT.h
index 149aeec31197..9765830bd023 100644
--- a/sonoff/language/pt-PT.h
+++ b/sonoff/language/pt-PT.h
@@ -91,6 +91,7 @@
#define D_FALSE "Falso"
#define D_FILE "Ficheiro"
#define D_FREE_MEMORY "Memoria Livre"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Gás"
#define D_GATEWAY "Gateway"
#define D_GROUP "Grupo"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "A"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "Hr"
#define D_UNIT_KILOOHM "kOhm"
#define D_UNIT_KILOWATTHOUR "kWh"
diff --git a/sonoff/language/ru-RU.h b/sonoff/language/ru-RU.h
index 96ad631ab9f0..c19eccbf1484 100644
--- a/sonoff/language/ru-RU.h
+++ b/sonoff/language/ru-RU.h
@@ -91,6 +91,7 @@
#define D_FALSE "Ложно"
#define D_FILE "Файл"
#define D_FREE_MEMORY "Свободная память"
+#define D_FREQUENCY "Frequency"
#define D_GAS "Газ"
#define D_GATEWAY "Шлюз"
#define D_GROUP "Группа"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "А"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "Ч"
#define D_UNIT_KILOOHM "кОм"
#define D_UNIT_KILOWATTHOUR "кВт"
diff --git a/sonoff/language/zh-CN.h b/sonoff/language/zh-CN.h
index b90ab7b1d833..c10cbdc16506 100644
--- a/sonoff/language/zh-CN.h
+++ b/sonoff/language/zh-CN.h
@@ -91,6 +91,7 @@
#define D_FALSE "False"
#define D_FILE "文件:"
#define D_FREE_MEMORY "空闲内存"
+#define D_FREQUENCY "Frequency"
#define D_GAS "气体"
#define D_GATEWAY "网关"
#define D_GROUP "组:"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "安"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "时"
#define D_UNIT_KILOOHM "千欧"
#define D_UNIT_KILOWATTHOUR "千瓦时"
diff --git a/sonoff/language/zh-TW.h b/sonoff/language/zh-TW.h
index b13f0ba04dad..e2c5b91931ac 100644
--- a/sonoff/language/zh-TW.h
+++ b/sonoff/language/zh-TW.h
@@ -91,6 +91,7 @@
#define D_FALSE "False"
#define D_FILE "文件:"
#define D_FREE_MEMORY "可用記憶體"
+#define D_FREQUENCY "Frequency"
#define D_GAS "氣體"
#define D_GATEWAY "網關"
#define D_GROUP "組:"
@@ -453,10 +454,13 @@
#define D_SENSOR_SBR_TX "SerBr Tx"
#define D_SENSOR_SR04_TRIG "SR04 Tri"
#define D_SENSOR_SR04_ECHO "SR04 Ech"
+#define D_SENSOR_SDM120_TX "SDM120 Tx"
+#define D_SENSOR_SDM120_RX "SDM120 Rx"
// Units
#define D_UNIT_AMPERE "安"
#define D_UNIT_CENTIMETER "cm"
+#define D_UNIT_HERTZ "Hz"
#define D_UNIT_HOUR "時"
#define D_UNIT_KILOOHM "千歐"
#define D_UNIT_KILOWATTHOUR "千瓦時"
diff --git a/sonoff/sonoff_template.h b/sonoff/sonoff_template.h
index dc0746ec768d..7eb4ce2252e2 100644
--- a/sonoff/sonoff_template.h
+++ b/sonoff/sonoff_template.h
@@ -93,6 +93,8 @@ enum UserSelectablePins {
GPIO_SBR_RX, // Serial Bridge Serial interface
GPIO_SR04_TRIG, // SR04 Trigger pin
GPIO_SR04_ECHO, // SR04 Echo pin
+ GPIO_SDM120_TX, // SDM120 Serial interface
+ GPIO_SDM120_RX, // SDM120 Serial interface
GPIO_SENSOR_END };
// Programmer selectable GPIO functionality offset by user selectable GPIOs
@@ -136,7 +138,8 @@ const char kSensorNames[] PROGMEM =
D_SENSOR_SPI_CS "|" D_SENSOR_SPI_DC "|" D_SENSOR_BACKLIGHT "|"
D_SENSOR_PMS5003 "|" D_SENSOR_SDS0X1 "|"
D_SENSOR_SBR_TX "|" D_SENSOR_SBR_RX "|"
- D_SENSOR_SR04_TRIG "|" D_SENSOR_SR04_ECHO;
+ D_SENSOR_SR04_TRIG "|" D_SENSOR_SR04_ECHO "|"
+ D_SENSOR_SDM120_TX "|" D_SENSOR_SDM120_RX;
/********************************************************************************************/
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index c8f4f4dbbe4f..5c57d447811f 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -280,6 +280,7 @@
#define USE_NOVA_SDS // Add support for SDS011 and SDS021 particle concentration sensor (+0k7 code)
#define USE_PZEM004T // Add support for PZEM004T Energy monitor (+2k code)
#define USE_SERIAL_BRIDGE // Add support for software Serial Bridge (+0k8 code)
+#define USE_SDM120 // Add support for Eastron SDM120-Modbus energy meter (+1k2 code)
// -- Low level interface devices -----------------
#define USE_IR_REMOTE // Send IR remote commands using library IRremoteESP8266 and ArduinoJson (+4k code, 0k3 mem, 48 iram)
diff --git a/sonoff/xsns_23_sdm120.ino b/sonoff/xsns_23_sdm120.ino
new file mode 100644
index 000000000000..108d530753b6
--- /dev/null
+++ b/sonoff/xsns_23_sdm120.ino
@@ -0,0 +1,282 @@
+/*
+ xsns_23_sdm120.ino - Eastron SDM120-Modbus energy meter support for Sonoff-Tasmota
+
+ Copyright (C) 2018 Gennaro Tortone
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+*/
+
+#ifdef USE_SDM120
+
+/*********************************************************************************************\
+ * Eastron SDM120-Modbus energy meter
+ *
+ * Based on: https://github.com/reaper7/SDM_Energy_Meter
+\*********************************************************************************************/
+
+#include
+
+TasmotaSerial *SDM120Serial;
+
+uint8_t sdm120_type = 1;
+uint8_t sdm120_state = 0;
+
+float sdm120_voltage = 0;
+float sdm120_current = 0;
+float sdm120_power = 0;
+float sdm120_power_factor = 0;
+float sdm120_frequency = 0;
+float sdm120_energy_total = 0;
+
+bool SDM_ModbusReceiveReady()
+{
+ return (SDM120Serial->available() > 1);
+}
+
+void SDM_ModbusSend(uint8_t function_code, uint16_t start_address, uint16_t register_count)
+{
+ uint8_t frame[8];
+
+ frame[0] = 0x01; // default SDM120 Modbus address
+ frame[1] = function_code;
+ frame[2] = (uint8_t)(start_address >> 8);
+ frame[3] = (uint8_t)(start_address);
+ frame[4] = (uint8_t)(register_count >> 8);
+ frame[5] = (uint8_t)(register_count);
+
+ uint16_t crc = SDM_calculateCRC(frame, 6); // calculate out crc only from first 6 bytes
+ frame[6] = lowByte(crc);
+ frame[7] = highByte(crc);
+
+ while (SDM120Serial->available() > 0) { // read serial if any old data is available
+ SDM120Serial->read();
+ }
+
+ SDM120Serial->flush();
+ SDM120Serial->write(frame, sizeof(frame));
+}
+
+uint8_t SDM_ModbusReceive(float *value)
+{
+ uint8_t buffer[9];
+
+ *value = NAN;
+ uint8_t len = 0;
+ while (SDM120Serial->available() > 0) {
+ buffer[len++] = (uint8_t)SDM120Serial->read();
+ }
+
+ if (len < 9)
+ return 3; // SDM_ERR_NOT_ENOUGHT_BYTES
+
+ if (len == 9) {
+
+ if (buffer[0] == 0x01 && buffer[1] == 0x04 && buffer[2] == 4) { // check node number, op code and reply bytes count
+
+ if((SDM_calculateCRC(buffer, 7)) == ((buffer[8] << 8) | buffer[7])) { //calculate crc from first 7 bytes and compare with received crc (bytes 7 & 8)
+
+ ((uint8_t*)value)[3] = buffer[3];
+ ((uint8_t*)value)[2] = buffer[4];
+ ((uint8_t*)value)[1] = buffer[5];
+ ((uint8_t*)value)[0] = buffer[6];
+
+ } else return 1; // SDM_ERR_CRC_ERROR
+
+ } else return 2; // SDM_ERR_WRONG_BYTES
+ }
+
+ return 0; // SDM_ERR_NO_ERROR
+}
+
+uint16_t SDM_calculateCRC(uint8_t *frame, uint8_t num)
+{
+ uint16_t crc, flag;
+ crc = 0xFFFF;
+ for (uint8_t i = 0; i < num; i++) {
+ crc ^= frame[i];
+ for (uint8_t j = 8; j; j--) {
+ if ((crc & 0x0001) != 0) { // If the LSB is set
+ crc >>= 1; // Shift right and XOR 0xA001
+ crc ^= 0xA001;
+ } else { // Else LSB is not set
+ crc >>= 1; // Just shift right
+ }
+ }
+ }
+ return crc;
+}
+
+/*********************************************************************************************/
+
+const uint16_t sdm_start_addresses[] {
+ 0x0000, // SDM120C_VOLTAGE [V]
+ 0x0006, // SDM120C_CURRENT [A]
+ 0x000C, // SDM120C_POWER [W]
+ 0x0012, // SDM120C_ACTIVE_APPARENT_POWER [VA]
+ 0x0018, // SDM120C_REACTIVE_APPARENT_POWER [VAR]
+ 0x001E, // SDM120C_POWER_FACTOR
+ 0x0046, // SDM120C_FREQUENCY [Hz]
+ 0x0048, // SDM120C_IMPORT_ACTIVE_ENERGY [Wh]
+ 0x004A, // SDM120C_EXPORT_ACTIVE_ENERGY [Wh]
+ 0x0156 // SDM120C_TOTAL_ACTIVE_ENERGY [Wh]
+};
+
+uint8_t sdm120_read_state = 0;
+uint8_t sdm120_send_retry = 0;
+
+void SDM12050ms() // Every 50 mSec
+{
+ sdm120_state++;
+ if (6 == sdm120_state) { // Every 300 mSec
+ sdm120_state = 0;
+
+ float value = 0;
+ bool data_ready = SDM_ModbusReceiveReady();
+
+ if (data_ready) {
+ uint8_t error = SDM_ModbusReceive(&value);
+ if (error) {
+ snprintf_P(log_data, sizeof(log_data), PSTR(D_LOG_DEBUG "SDM120 response error %d"), error);
+ AddLog(LOG_LEVEL_DEBUG);
+ } else {
+ switch(sdm120_read_state) {
+ case 0:
+ sdm120_voltage = value;
+ break;
+
+ case 1:
+ sdm120_current = value;
+ break;
+
+ case 2:
+ sdm120_power = value;
+ break;
+
+ case 5:
+ sdm120_power_factor = value;
+ break;
+
+ case 6:
+ sdm120_frequency = value;
+ break;
+
+ case 9:
+ sdm120_energy_total = value;
+ break;
+ } // end switch
+
+ sdm120_read_state++;
+
+ if (sizeof(sdm_start_addresses)/2 == sdm120_read_state) {
+ sdm120_read_state = 0;
+ }
+ }
+ } // end data ready
+
+ if (0 == sdm120_send_retry || data_ready) {
+ sdm120_send_retry = 5;
+ SDM_ModbusSend(0x04, sdm_start_addresses[sdm120_read_state], 2);
+ } else {
+ sdm120_send_retry--;
+ }
+ } // end 300 ms
+}
+
+void SDM120Init()
+{
+ sdm120_type = 0;
+ if ((pin[GPIO_SDM120_RX] < 99) && (pin[GPIO_SDM120_TX] < 99)) {
+ SDM120Serial = new TasmotaSerial(pin[GPIO_SDM120_RX], pin[GPIO_SDM120_TX], 1);
+ if (SDM120Serial->begin(9600)) {
+ if (SDM120Serial->hardwareSerial()) { ClaimSerial(); }
+ sdm120_type = 1;
+ }
+ }
+}
+
+#ifdef USE_WEBSERVER
+const char HTTP_SNS_SDM120_DATA[] PROGMEM = "%s"
+ "{s}SDM120 " D_VOLTAGE "{m}%s " D_UNIT_VOLT "{e}"
+ "{s}SDM120 " D_CURRENT "{m}%s " D_UNIT_AMPERE "{e}"
+ "{s}SDM120 " D_POWERUSAGE "{m}%s " D_UNIT_WATT "{e}"
+ "{s}SDM120 " D_POWER_FACTOR "{m}%s{e}"
+ "{s}SDM120 " D_FREQUENCY "{m}%s " D_UNIT_HERTZ "{e}"
+ "{s}SDM120 " D_ENERGY_TOTAL "{m}%s " D_UNIT_KILOWATTHOUR "{e}";
+#endif // USE_WEBSERVER
+
+void SDM120Show(boolean json)
+{
+ char voltage[10];
+ char current[10];
+ char power[10];
+ char power_factor[10];
+ char frequency[10];
+ char energy_total[10];
+
+ dtostrfd(sdm120_voltage, Settings.flag2.voltage_resolution, voltage);
+ dtostrfd(sdm120_current, Settings.flag2.current_resolution, current);
+ dtostrfd(sdm120_power, Settings.flag2.wattage_resolution, power);
+ dtostrfd(sdm120_power_factor, 2, power_factor);
+ dtostrfd(sdm120_frequency, 2, frequency);
+ dtostrfd(sdm120_energy_total, Settings.flag2.energy_resolution, energy_total);
+
+ if (json) {
+ snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"" D_RSLT_ENERGY "\":{\"" D_JSON_TOTAL "\":%s,\"" D_JSON_POWERUSAGE "\":%s,\"" D_JSON_FREQUENCY "\":%s,\"" D_JSON_POWERFACTOR "\":%s,\"" D_JSON_VOLTAGE "\":%s,\"" D_JSON_CURRENT "\":%s}"),
+ mqtt_data, energy_total, power, frequency, power_factor, voltage, current);
+#ifdef USE_DOMOTICZ
+ if (0 == tele_period) {
+ DomoticzSensor(DZ_VOLTAGE, voltage);
+ DomoticzSensor(DZ_CURRENT, current);
+ DomoticzSensorPowerEnergy((uint16_t)sdm120_power, energy_total);
+ }
+#endif // USE_DOMOTICZ
+#ifdef USE_WEBSERVER
+ } else {
+ snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_SDM120_DATA, mqtt_data, voltage, current, power, power_factor, frequency, energy_total);
+ }
+#endif // USE_WEBSERVER
+}
+
+/*********************************************************************************************\
+ * Interface
+\*********************************************************************************************/
+
+#define XSNS_23
+
+boolean Xsns23(byte function)
+{
+ boolean result = false;
+
+ if (sdm120_type) {
+ switch (function) {
+ case FUNC_INIT:
+ SDM120Init();
+ break;
+ case FUNC_EVERY_50_MSECOND:
+ SDM12050ms();
+ break;
+ case FUNC_JSON_APPEND:
+ SDM120Show(1);
+ break;
+#ifdef USE_WEBSERVER
+ case FUNC_WEB_APPEND:
+ SDM120Show(0);
+ break;
+#endif // USE_WEBSERVER
+ }
+ }
+ return result;
+}
+
+#endif // USE_SDM120
\ No newline at end of file