Fixed i2c issue for some arduino compatible architectures

The library did not compile for ESP32 and AVR archtiacture due to Wire.requestFrom. I fixed it by casting the values to uint_8 (byte). Now the library compiles without warinings or errors.

Author: NilsMinor

examples/simple_test/simple_test.ino

@@ -29,7 +29,7 @@ void setup() {
   Serial.begin(115200);
 
   /* The default setup is :
-   *    Conversion mode = CONTINUOUS  ---> continuoss
+   *    Conversion mode = CONTINUOUS  ---> continuous
    *    Conversion time = C125mS      -|
    *    Averaging mode  = AVE8        -|-> new data every 125mS
    *    Alert mode      = data        ---> alert pin states that new data is available

library.properties

@@ -1,5 +1,5 @@
 name=TMP117-Arduino
-version=1.0.1
+version=1.0.2
 author=Nils Minor <[email protected]>
 maintainer=Nils Minor <[email protected]>
 sentence=Full-featured Arduino compatible TMP117 driver

src/TMP117.cpp

@@ -167,11 +167,15 @@ void      TMP117::setTargetTemperature ( double target ) {
     @return   uint16_t  read value of the configuration regsiter          
 */
 uint16_t  TMP117::readConfig (void) {
-  uint16_t reg_value = i2cRead2B ( TMP117_REG_CONFIGURATION );
-  bool high_alert = reg_value >> 15 & 1UL;
-  bool low_alert = reg_value >> 14 & 1UL;   
+  uint16_t reg_value = i2cRead2B ( TMP117_REG_CONFIGURATION );  
   bool data_ready = reg_value >> 13 & 1UL;   
-  bool eeprom_busy = reg_value >> 12 & 1UL;   
+
+  // following bits are a comment in order to not create compiler warnings 
+  // but might be used in the future for some purpose 
+  // bool eeprom_busy = reg_value >> 12 & 1UL;
+  // bool high_alert = reg_value >> 15 & 1UL; 
+  // bool low_alert = reg_value >> 14 & 1UL;    
+
 
   if (data_ready && newDataCallback != NULL)
     newDataCallback ();
@@ -324,7 +328,7 @@ uint16_t  TMP117::i2cRead2B (uint8_t reg) {
   Wire.beginTransmission(address); 
   Wire.write(reg); 
   Wire.endTransmission(); 
-  Wire.requestFrom(address, 2); 
+  Wire.requestFrom((uint8_t)address, (uint8_t)2); 
   if(Wire.available() <= 2){  
     data[0] = Wire.read(); 
     data[1] = Wire.read();