flowtemp

CHANGELOG.md

@@ -5,14 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.7.0 dev] 2019-03-
+## [1.7.0 dev] 2019-04-07
 
 ### Added
 
 - Buderus Logamax plus
 - EMS+ support (thanks @GlennArens, @gl3nni3)
 - MQTT 'restart' topic to reboot ESP (thanks @balk77)
 - Support for multiple thermostat heating circuits like the HC1/HC2 on a RC35, also via MQTT (thanks @lobocobra)
+- `boiler flowtemp` command to set the flow temperature [(issue 59)](https://github.com/proddy/EMS-ESP/issues/59)
 
 ## [1.6.0] 2019-03-24
 

lib/MyESP/MyESP.h

@@ -32,7 +32,6 @@ void custom_crash_callback(struct rst_info *, uint32_t, uint32_t);
 #define ets_vsnprintf vsnprintf // added for ESP32
 #define OTA_PORT 8266
 #else
-//#include <ESP8266mDNS.h>
 #include <ESPAsyncTCP.h>
 #define OTA_PORT 3232
 #endif

src/ems-esp.cpp

@@ -118,6 +118,7 @@ command_t PROGMEM project_cmds[] = {
     {false, "boiler read <type ID>", "send read request to boiler"},
     {false, "boiler wwtemp <degrees>", "set boiler warm water temperature"},
     {false, "boiler tapwater <on | off>", "set boiler warm tap water on/off"},
+    {false, "boiler flowtemp <degrees>", "set boiler flow temperature"},
     {false, "boiler comfort <hot | eco | intelligent>", "set boiler warm water comfort setting"}
 
 };
@@ -1202,6 +1203,9 @@ void TelnetCommandCallback(uint8_t wc, const char * commandLine) {
                 ems_setWarmTapWaterActivated(false);
                 ok = true;
             }
+        } else if (strcmp(second_cmd, "flowtemp") == 0) {
+            ems_setFlowTemp(_readIntNumber());
+            ok = true;
         }
     }
 
@@ -1286,24 +1290,24 @@ void MQTTCallback(unsigned int type, const char * topic, const char * message) {
             float f     = strtof((char *)message, 0);
             char  s[10] = {0};
             myDebug("MQTT topic: new thermostat night temperature value %s", _float_to_char(s, f));
-            ems_setThermostatTemp(f,1);
+            ems_setThermostatTemp(f, 1);
         }
 
         // set daytemp value
         if (strcmp(topic, TOPIC_THERMOSTAT_CMD_DAYTEMP) == 0) {
             float f     = strtof((char *)message, 0);
             char  s[10] = {0};
             myDebug("MQTT topic: new thermostat day temperature value %s", _float_to_char(s, f));
-            ems_setThermostatTemp(f,2);
+            ems_setThermostatTemp(f, 2);
         }
 
         // set holiday value
         if (strcmp(topic, TOPIC_THERMOSTAT_CMD_HOLIDAYTEMP) == 0) {
             float f     = strtof((char *)message, 0);
             char  s[10] = {0};
             myDebug("MQTT topic: new thermostat holiday temperature value %s", _float_to_char(s, f));
-            ems_setThermostatTemp(f,3);
-        }   
+            ems_setThermostatTemp(f, 3);
+        }
 
         // wwActivated
         if (strcmp(topic, TOPIC_BOILER_WWACTIVATED) == 0) {

src/ems.cpp

@@ -1265,16 +1265,23 @@ void _process_SM10Monitor(uint8_t src, uint8_t * data, uint8_t length) {
  * UBASetPoint 0x1A
  */
 void _process_SetPoints(uint8_t src, uint8_t * data, uint8_t length) {
-    /*
+
     if (EMS_Sys_Status.emsLogging == EMS_SYS_LOGGING_VERBOSE) {
         if (length != 0) {
-            uint8_t setpoint = data[0];
-            uint8_t hk_power = data[1];
-            uint8_t ww_power = data[2];
-            myDebug(" SetPoint=%d, hk_power=%d, ww_power=%d", setpoint, hk_power, ww_power);
+            uint8_t setpoint = data[0]; // flow temp is * 2
+            uint8_t ww_power = data[2]; // power in %
+
+            char s[5];
+            char s2[5];
+            strlcpy(s, itoa(setpoint >> 1, s2, 10), 5);
+            strlcat(s, ".", sizeof(s));
+            strlcat(s, ((setpoint & 0x01) ? "5" : "0"), 5);
+
+            myDebug(" Boiler flow temp %s C, Warm Water power %d %", s, ww_power);
+
         }
     }
-    */
+
 }
 
 /**
@@ -1972,6 +1979,34 @@ void ems_setWarmWaterTemp(uint8_t temperature) {
     EMS_TxQueue.push(EMS_TxTelegram);
 }
 
+/**
+ * Set the boiler flow temp
+ */
+void ems_setFlowTemp(uint8_t temperature) {
+
+    myDebug("Setting boiler flow temperature to %d C", temperature);
+
+    _EMS_TxTelegram EMS_TxTelegram = EMS_TX_TELEGRAM_NEW; // create new Tx
+    EMS_TxTelegram.timestamp       = millis();            // set timestamp
+    EMS_Sys_Status.txRetryCount    = 0;                   // reset retry counter
+
+    EMS_TxTelegram.action    = EMS_TX_TELEGRAM_WRITE;
+    EMS_TxTelegram.dest      = EMS_Boiler.type_id;
+    EMS_TxTelegram.type      = EMS_TYPE_UBASetPoints;
+    EMS_TxTelegram.offset    = EMS_OFFSET_UBASetPoints_flowtemp;
+    EMS_TxTelegram.length    = EMS_MIN_TELEGRAM_LENGTH;
+    EMS_TxTelegram.dataValue = temperature; // value to compare against. must be a single int
+
+    EMS_TxTelegram.type_validate      = EMS_TYPE_UBASetPoints; // validate
+    EMS_TxTelegram.comparisonOffset   = EMS_OFFSET_UBASetPoints_flowtemp;
+    EMS_TxTelegram.comparisonValue    = temperature;
+    EMS_TxTelegram.comparisonPostRead = EMS_TYPE_UBASetPoints;
+    EMS_TxTelegram.forceRefresh       = false;
+
+    EMS_TxQueue.push(EMS_TxTelegram);
+
+}
+
 /**
  * Set the warm water mode to comfort to Eco/Comfort
  * 1 = Hot, 2 = Eco, 3 = Intelligent

src/ems.h

@@ -282,6 +282,7 @@ void ems_setThermostatTemp(float temperature, uint8_t temptype = 0);
 void ems_setThermostatMode(uint8_t mode);
 void ems_setThermostatHC(uint8_t hc);
 void ems_setWarmWaterTemp(uint8_t temperature);
+void ems_setFlowTemp(uint8_t temperature);
 void ems_setWarmWaterActivated(bool activated);
 void ems_setWarmTapWaterActivated(bool activated);
 void ems_setPoll(bool b);

src/ems_devices.h

@@ -39,6 +39,8 @@
 #define EMS_VALUE_UBAParameterWW_wwComfort_Eco 0xD8         // the value for eco
 #define EMS_VALUE_UBAParameterWW_wwComfort_Intelligent 0xEC // the value for intelligent
 
+#define EMS_OFFSET_UBASetPoints_flowtemp 0 // flow temp
+
 // Other
 #define EMS_TYPE_SM10Monitor 0x97 // SM10Monitor
 

src/version.h

@@ -6,5 +6,5 @@
 #pragma once
 
 #define APP_NAME "EMS-ESP"
-#define APP_VERSION "1.7.0b3"
+#define APP_VERSION "1.7.0b4"
 #define APP_HOSTNAME "ems-esp"