Merge pull request #8 from porrey/ESP-32-Support

Esp 32 support

library.properties

@@ -1,9 +1,9 @@
 name=MAX1704X
-version=1.2.1
-author=Daniel Porrey <[email protected]>
-maintainer=Daniel Porrey <[email protected]>
+version=1.2.2
+author=Daniel Porrey
+maintainer=Daniel Porrey
 sentence=Arduino library for MAX17043/MAX17044 lithium ion battery fuel gauge.
 paragraph=Provides a simple interface for monitoring battery charge levels. Works with any device using the Maxmim MAX17043 or MAX17044 chip such as the SparkFun LiPo Fuel Gauge.
 category=Sensors
 url=https://github.com/porrey/MAX1704X
-architectures=*
+architectures=*

src/MAX1704X.cpp

@@ -30,12 +30,14 @@ MAX1704X::MAX1704X(float voltageIncrement)
 
 void MAX1704X::begin()
 {
-  this->begin(true, I2C_DEFAULT_ADDRESS);
+  this->_address = I2C_DEFAULT_ADDRESS;
+  this->begin(true, this->_address);
 }
 
 void MAX1704X::begin(bool initializeWire)
 {
-  this->begin(initializeWire, I2C_DEFAULT_ADDRESS);
+  this->_address = I2C_DEFAULT_ADDRESS;
+  this->begin(initializeWire, this->_address);
 }
 
 void MAX1704X::begin(bool initializeWire, uint8_t address)
@@ -49,7 +51,7 @@ void MAX1704X::begin(bool initializeWire, uint8_t address)
   }
 }
 
-#if defined(ESP8266)
+#if defined(ESP8266) || defined(ESP32)
 void MAX1704X::begin(int sda, int scl)
 {
   Wire.begin(sda, scl);
@@ -130,6 +132,7 @@ bool MAX1704X::sleep()
   uint16_t value = this->readRegister16(REGISTER_CONFIG);
   setBit(value, 7);
   this->writeRegister16(REGISTER_CONFIG, value);
+  return this->isSleeping();
 }
 
 bool MAX1704X::isSleeping()
@@ -146,6 +149,7 @@ bool MAX1704X::wake()
   uint16_t value = this->readRegister16(REGISTER_CONFIG);
   clearBit(value, 7);
   this->writeRegister16(REGISTER_CONFIG, value);
+  return !this->isSleeping();
 }
 
 void MAX1704X::reset()

src/MAX1704X.h

@@ -50,17 +50,17 @@ class MAX1704X
     void begin();
     void begin(bool);
     void begin(bool, uint8_t);
-#if defined(ESP8266)
-    void begin(int sda, int scl);
-    void begin(int sda, int scl, uint8_t);
+#if defined(ESP8266) || defined(ESP32)
+    void begin(int, int);
+    void begin(int, int, uint8_t);
 #endif
     uint8_t address();
     uint16_t adc();
     float voltage();
     float percent();
     uint16_t version();
     uint8_t compensation();
-    void compensation(uint8_t data);
+    void compensation(uint8_t);
     bool sleep();
     bool isSleeping();
     bool wake();
@@ -69,16 +69,16 @@ class MAX1704X
     bool alertIsActive();
     void clearAlert();
     uint8_t getThreshold();
-    void setThreshold(uint8_t threshold);
+    void setThreshold(uint8_t);
 
   protected:
     TwoWire *_wire;
     uint8_t _address;
     float _voltageIncrement;
-    uint8_t thresholdToConfig(uint8_t threshold);
-    uint8_t configToThreshold(uint8_t config);
-    uint16_t readRegister16(uint8_t registerId);
-    void writeRegisterId(uint8_t registerId);
-    void writeRegister16(uint8_t registerId, uint16_t data);
+    uint8_t thresholdToConfig(uint8_t);
+    uint8_t configToThreshold(uint8_t);
+    uint16_t readRegister16(uint8_t);
+    void writeRegisterId(uint8_t);
+    void writeRegister16(uint8_t, uint16_t);
 };
 #endif