Add I2C bus2 support to LM75AD temperature sensor

CHANGELOG.md

@@ -12,6 +12,7 @@ All notable changes to this project will be documented in this file.
 - I2C bus2 support to SHTxX temperature and humidity sensor
 - I2C bus2 support to HYTxxx temperature and humidity sensor
 - I2C bus2 support to SI1145/6/7 Ultra violet index and light sensor
+- I2C bus2 support to LM75AD temperature sensor
 
 ### Breaking Changed
 

I2CDEVICES.md

@@ -40,7 +40,7 @@ Index | Define              | Driver   | Device   | Address(es) | Bus2 | Descrip
   19  | USE_SI1145          | xsns_24  | SI1145   | 0x60        | Yes  | Ultra violet index and light sensor
   19  | USE_SI1145          | xsns_24  | SI1146   | 0x60        | Yes  | Ultra violet index and light sensor
   19  | USE_SI1145          | xsns_24  | SI1147   | 0x60        | Yes  | Ultra violet index and light sensor
-  20  | USE_LM75AD          | xsns_26  | LM75AD   | 0x48 - 0x4F |      | Temperature sensor
+  20  | USE_LM75AD          | xsns_26  | LM75AD   | 0x48 - 0x4F | Yes  | Temperature sensor
   21  | USE_APDS9960        | xsns_27  | APDS9960 | 0x39        |      | Proximity ambient light RGB and gesture sensor
   22  | USE_MCP230xx        | xsns_29  | MCP23008 | 0x20 - 0x26 |      |  8-bit I/O expander
   22  | USE_MCP230xx        | xsns_29  | MCP23017 | 0x20 - 0x26 |      | 16-bit I/O expander

RELEASENOTES.md

@@ -120,6 +120,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - I2C bus2 support to SHTxX temperature and humidity sensor
 - I2C bus2 support to HYTxxx temperature and humidity sensor
 - I2C bus2 support to SI1145/6/7 Ultra violet index and light sensor
+- I2C bus2 support to LM75AD temperature sensor
 
 ### Breaking Changed
 

tasmota/tasmota_xsns_sensor/xsns_26_lm75ad.ino

@@ -47,31 +47,30 @@
 
 bool lm75ad_type = false;
 uint8_t lm75ad_address;
+uint8_t lm75ad_bus;
 uint8_t lm75ad_addresses[] = { LM75AD_ADDRESS1, LM75AD_ADDRESS2, LM75AD_ADDRESS3, LM75AD_ADDRESS4, LM75AD_ADDRESS5, LM75AD_ADDRESS6, LM75AD_ADDRESS7, LM75AD_ADDRESS8 };
 
-void LM75ADDetect(void)
+void LM75ADDetect(void) {
-{
+  for (lm75ad_bus = 0; lm75ad_bus < 2; lm75ad_bus++) {
-  for (uint32_t i = 0; i < sizeof(lm75ad_addresses); i++) {
+    for (uint32_t i = 0; i < sizeof(lm75ad_addresses); i++) {
-    lm75ad_address = lm75ad_addresses[i];
+      lm75ad_address = lm75ad_addresses[i];
-    if (!I2cSetDevice(lm75ad_address)) {
+      if (!I2cSetDevice(lm75ad_address, lm75ad_bus)) { continue; } // do not make the next step without a confirmed device on the bus
-      continue; // do not make the next step without a confirmed device on the bus
+      uint16_t buffer;
-    }
+      if (I2cValidRead16(&buffer, lm75ad_address, LM75_THYST_REGISTER, lm75ad_bus)) {
-    uint16_t buffer;
+        if (buffer == 0x4B00) {
-    if (I2cValidRead16(&buffer, lm75ad_address, LM75_THYST_REGISTER)) {
+          lm75ad_type = true;
-      if (buffer == 0x4B00) {
+          I2cSetActiveFound(lm75ad_address, "LM75AD", lm75ad_bus);
-        lm75ad_type = true;
+          return;
-        I2cSetActiveFound(lm75ad_address, "LM75AD");
+        }
-        break;
       }
     }
   }
 }
 
-float LM75ADGetTemp(void)
+float LM75ADGetTemp(void) {
-{
   int16_t sign = 1;
 
-  uint16_t t = I2cRead16(lm75ad_address, LM75_TEMP_REGISTER);
+  uint16_t t = I2cRead16(lm75ad_address, LM75_TEMP_REGISTER, lm75ad_bus);
   if (t & 0x8000) { // we are getting a negative temperature value
     t = (~t) +0x20;
     sign = -1;
@@ -80,14 +79,13 @@ float LM75ADGetTemp(void)
   return ConvertTemp(sign * t * 0.125f);
 }
 
-void LM75ADShow(bool json)
+void LM75ADShow(bool json) {
-{
   float t = LM75ADGetTemp();
 
   if (json) {
     ResponseAppend_P(JSON_SNS_F_TEMP, "LM75AD", Settings->flag2.temperature_resolution, &t);
 #ifdef USE_DOMOTICZ
-    if (0 == TasmotaGlobal.tele_period) DomoticzFloatSensor(DZ_TEMP, t);
+    if (0 == TasmotaGlobal.tele_period) { DomoticzFloatSensor(DZ_TEMP, t); }
 #endif  // USE_DOMOTICZ
 #ifdef USE_WEBSERVER
   } else {