v1.0.4: add setDevice and setWirePort

setDevice allows the device type to be changed after instantiation, before .begin.
setWirePort allows the wire port to be set, so that isConnected can be called before .begin

Author: PaulZC

keywords.txt

@@ -12,6 +12,8 @@ SFE_MAX17043	KEYWORD1
 # Methods and Functions (KEYWORD2)
 #######################################
 
+setDevice	KEYWORD2
+setWirePort	KEYWORD2
 begin	KEYWORD2
 isConnected	KEYWORD2
 enableDebugging	KEYWORD2

library.properties

@@ -1,5 +1,5 @@
 name=SparkFun MAX1704x Fuel Gauge Arduino Library
-version=1.0.3
+version=1.0.4
 author=SparkFun Electronics <[email protected]>
 maintainer=SparkFun Electronics <sparkfun.com>
 sentence=Arduino library for the MAX17043/44/48/49 fuel gauges

src/SparkFun_MAX1704x_Fuel_Gauge_Arduino_Library.cpp

@@ -23,7 +23,12 @@ Distributed as-is; no warranty is given.
 SFE_MAX1704X::SFE_MAX1704X(sfe_max1704x_devices_e device)
 {
   // Constructor
+  setDevice(device);
+}
 
+// Change the device type if required. Do this after instantiation but before .begin
+void SFE_MAX1704X::setDevice(sfe_max1704x_devices_e device)
+{
   // Record the device type
   _device = device;
 
@@ -45,9 +50,9 @@ SFE_MAX1704X::SFE_MAX1704X(sfe_max1704x_devices_e device)
   }
 }
 
-boolean SFE_MAX1704X::begin(TwoWire &wirePort)
+bool SFE_MAX1704X::begin(TwoWire &wirePort)
 {
-  _i2cPort = &wirePort; //Grab which port the user wants us to use
+  setWirePort(wirePort); //Grab which port the user wants us to use
 
   if (isConnected() == false)
   {
@@ -63,8 +68,14 @@ boolean SFE_MAX1704X::begin(TwoWire &wirePort)
   return (true);
 }
 
+// Allow _i2CPort to be set manually, so that isConnected can be called before .begin if required
+void SFE_MAX1704X::setWirePort(TwoWire &wirePort)
+{
+  _i2cPort = &wirePort; //Grab which port the user wants us to use
+}
+
 //Returns true if device is present
-boolean SFE_MAX1704X::isConnected(void)
+bool SFE_MAX1704X::isConnected(void)
 {
   //Updated to resolve issue #4 Dec 27th 2021
   //Also avoid using the standard "if device answers on _deviceAddress" test

src/SparkFun_MAX1704x_Fuel_Gauge_Arduino_Library.h

@@ -133,11 +133,17 @@ class SFE_MAX1704X
 public:
   SFE_MAX1704X(sfe_max1704x_devices_e device = MAX1704X_MAX17043); // Default to the 5V MAX17043
 
+  // Change the device type if required. Do this after instantiation but before .begin
+  void setDevice(sfe_max1704x_devices_e device);
+
+  // Allow _i2CPort to be set manually, so that isConnected can be called before .begin if required
+  void setWirePort(TwoWire &wirePort);
+
   // begin() - Initializes the MAX17043.
-  boolean begin(TwoWire &wirePort = Wire); //Returns true if module is detected
+  bool begin(TwoWire &wirePort = Wire); //Returns true if module is detected
 
   //Returns true if device is present
-  boolean isConnected(void);
+  bool isConnected(void);
 
   // Debug
   void enableDebugging(Stream &debugPort = Serial); // enable debug messages
@@ -381,7 +387,7 @@ class SFE_MAX1704X
 
   #if MAX1704X_ENABLE_DEBUGLOG
   Stream *_debugPort;          //The stream to send debug messages to if enabled. Usually Serial.
-  boolean _printDebug = false; //Flag to print debugging variables
+  bool _printDebug = false; //Flag to print debugging variables
   #endif // if MAX1704X_ENABLE_DEBUGLOG
 
   // Clear the specified bit(s) in the MAX17048/49 status register