Add support for single wire LMT01

Add support for single wire LMT01 temperature Sensor by justifiably (#8713)
arendst · Jun 17, 2020 · 9345262 · 9345262
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Showing 9 changed files with 23 additions and 20 deletions.
diff --git a/BUILDS.md b/BUILDS.md
@@ -77,6 +77,7 @@
 | USE_MAX31855          | - | - | - | - | x | - | - |
 | USE_MAX31865          | - | - | - | - | - | - | - |
 | USE_THERMOSTAT        | - | - | - | - | - | - | - |
+| USE_LMT01             | - | - | - | - | x | - | - |
 |                       |   |   |   |   |   |   |   |
 | Feature or Sensor     | minimal | lite | tasmota | knx | sensors | ir | display | Remarks
 | USE_I2C               | - | - | x | x | x | - | x |

diff --git a/RELEASENOTES.md b/RELEASENOTES.md
@@ -84,3 +84,4 @@ The following binary downloads have been compiled with ESP8266/Arduino library c
 - Add support for Energy sensor (Denky) for French Smart Metering meter provided by global Energy Providers, need a adaptater. See dedicated full [blog](http://hallard.me/category/tinfo/) about French teleinformation stuff
 - Add Library to be used for decoding Teleinfo (French Metering Smart Meter)
 - Add basic support for ESP32 ethernet adding commands ``Wifi 0/1`` and ``Ethernet 0/1`` both default ON
+- Add support for single wire LMT01 temperature Sensor by justifiably (#8713)
diff --git a/tasmota/CHANGELOG.md b/tasmota/CHANGELOG.md
@@ -4,8 +4,8 @@
 
 - Add command ``Module2`` to configure fallback module on fast reboot (#8464)
 - Add support for Energy sensor (Denky) for French Smart Metering meter provided by global Energy Providers, need a adaptater. See dedicated full [blog](http://hallard.me/category/tinfo/) about French teleinformation stuff
-- Add Library to be used for decoding Teleinfo (French Metering Smart Meter)
-
+- Add library to be used for decoding Teleinfo (French Metering Smart Meter)
+- Add support for single wire LMT01 temperature Sensor by justifiably (#8713)
 
 ### 8.3.1.5 20200616
 

diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
@@ -635,7 +635,7 @@
   #define MAX31865_PTD_RES    100                // Nominal PTD resistance at 0°C (100Ω for a PT100, 1000Ω for a PT1000, YMMV!)
   #define MAX31865_REF_RES    430                // Reference resistor (Usually 430Ω for a PT100, 4300Ω for a PT1000)
   #define MAX31865_PTD_BIAS   0                  // To calibrate your not-so-good PTD
-//#define USE_LMT01				 // Add support for TI LMT01 temperature sensor, count pulses on single GPIO (+0k5 code)
+//#define USE_LMT01                                // Add support for TI LMT01 temperature sensor, count pulses on single GPIO (+0k5 code)
 
 // -- IR Remote features - all protocols from IRremoteESP8266 --------------------------
 // IR Full Protocols mode is activated through platform.io only.

diff --git a/tasmota/support_features.ino b/tasmota/support_features.ino
@@ -587,8 +587,9 @@ void GetFeatures(void)
 #ifdef USE_TELEINFO
   feature6 |= 0x00040000;  // xnrg_15_teleinfo.ino
 #endif
-
-//  feature6 |= 0x00080000;
+#ifdef USE_LMT01
+  feature6 |= 0x00080000;  // xsns_74_lmt01.ino
+#endif
 
 //  feature6 |= 0x00100000;
 //  feature6 |= 0x00200000;

diff --git a/tasmota/tasmota_template.h b/tasmota/tasmota_template.h
@@ -452,6 +452,9 @@ const uint8_t kGpioNiceList[] PROGMEM = {
   GPIO_DSB,            // Single wire DS18B20 or DS18S20
   GPIO_DSB_OUT,        // Pseudo Single wire DS18B20 or DS18S20
 #endif
+#ifdef USE_LMT01       // LMT01, count pulses on GPIO
+  GPIO_LMT01,
+#endif
 
 // Light
 #ifdef USE_LIGHT
@@ -698,9 +701,6 @@ const uint8_t kGpioNiceList[] PROGMEM = {
   GPIO_TELEINFO_RX,
   GPIO_TELEINFO_ENABLE,
 #endif
-#ifdef USE_LMT01       // LMT01, count pulses on GPIO
-  GPIO_LMT01,
-#endif
 };
 
 /********************************************************************************************/

diff --git a/tasmota/tasmota_template_ESP32.h b/tasmota/tasmota_template_ESP32.h
@@ -133,7 +133,7 @@ enum UserSelectablePins {
   GPIO_ETH_PHY_POWER, GPIO_ETH_PHY_MDC, GPIO_ETH_PHY_MDIO,  // Ethernet
   GPIO_TELEINFO_RX,                    // Teleinfo telemetry data receive pin
   GPIO_TELEINFO_ENABLE,                // Teleinfo Enable Receive Pin
-  GPIO_LMT01,			       // LMT01 input counting pin
+  GPIO_LMT01,                          // LMT01 input counting pin
   GPIO_SENSOR_END };
 
 enum ProgramSelectablePins {
@@ -226,7 +226,8 @@ const char kSensorNames[] PROGMEM =
   D_SENSOR_BL0940_RX "|"
   D_SENSOR_TCP_TXD "|" D_SENSOR_TCP_RXD "|"
   D_SENSOR_ETH_PHY_POWER "|" D_SENSOR_ETH_PHY_MDC "|" D_SENSOR_ETH_PHY_MDIO "|"
-  D_SENSOR_TELEINFO_RX "|" D_SENSOR_TELEINFO_ENABLE
+  D_SENSOR_TELEINFO_RX "|" D_SENSOR_TELEINFO_ENABLE "|"
+  D_SENSOR_LMT01_PULSE
   ;
 
 const char kSensorNamesFixed[] PROGMEM =
@@ -294,6 +295,9 @@ const uint16_t kGpioNiceList[] PROGMEM = {
   AGPIO(GPIO_DSB),            // Single wire DS18B20 or DS18S20
   AGPIO(GPIO_DSB_OUT),        // Pseudo Single wire DS18B20 or DS18S20
 #endif
+#ifdef USE_LMT01
+  AGPIO(GPIO_LMT01),          // LMT01, count pulses on GPIO
+#endif
 
 // Light
 #ifdef USE_LIGHT

diff --git a/tasmota/xsns_74_lmt01.ino b/tasmota/xsns_74_lmt01.ino
@@ -1,5 +1,5 @@
 /*
-  xns_74_lmt01.ino
+  xns_74_lmt01.ino - Support for single wire LMT01 Temperature Sensor
 
   Copyright (C) 2020  Theo Arends, Justifiably
 
@@ -20,13 +20,12 @@
 #ifdef USE_LMT01
 /*********************************************************************************************\
  * LMT01 - 0.5°C Accurate 2-Pin Digital Output Temperature Sensor With Pulse Count Interface
- * 
+ *
  * Uses fragments of public domain code LMT01_Example.ino released by Texas Instruments, July 10th 2017.
  * See https://training.ti.com/how-interface-lmt01-temperature-sensor-arduino
- * 
 \*********************************************************************************************/
 
-#define XSNS_74		74
+#define XSNS_74		      74
 
 #define LMT01_TIMEOUT   200   // ms timeout for a reading cycle
 
@@ -88,14 +87,12 @@ int LMT01_getPulses(void) {
   return -1;
 }
 
-
 void LMT01_Show(bool Json) {
   char temp[33];
   dtostrfd(lmt01_temperature, Settings.flag2.temperature_resolution, temp);
 
   if (Json) {
-    ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_TEMPERATURE "\":%s}"), \
-		     "LMT01", temp);
+    ResponseAppend_P(JSON_SNS_TEMP, "LMT01", temp);
 #ifdef USE_DOMOTICZ
     if (0 == tele_period) {
       DomoticzSensor(DZ_TEMP, temp);
@@ -113,7 +110,6 @@ void LMT01_Show(bool Json) {
   }
 }
 
-
 /*********************************************************************************************\
  * Interface
 \*********************************************************************************************/

diff --git a/tools/decode-status.py b/tools/decode-status.py
@@ -206,7 +206,7 @@
     "USE_IAQ","USE_DISPLAY_SEVENSEG","USE_AS3935","USE_PING",
     "USE_WINDMETER","USE_OPENTHERM","USE_THERMOSTAT","USE_VEML6075",
     "USE_VEML7700","USE_MCP9808","USE_BL0940","USE_TELEGRAM",
-    "USE_HP303B","USE_TCP_BRIDGE","USE_TELEINFO","",
+    "USE_HP303B","USE_TCP_BRIDGE","USE_TELEINFO","USE_LMT01",
     "","","","",
     "","","","",
     "","","USE_ETHERNET","USE_WEBCAM"
@@ -243,7 +243,7 @@
         obj = json.load(fp)
 
 def StartDecode():
-    print ("\n*** decode-status.py v20200611 by Theo Arends and Jacek Ziolkowski ***")
+    print ("\n*** decode-status.py v20200617 by Theo Arends and Jacek Ziolkowski ***")
 
 #    print("Decoding\n{}".format(obj))