eggfly
diff --git a/‎libraries/Wire/src/Wire.cpp
Copy file name to clipboardExpand all lines: libraries/Wire/src/Wire.cpp
+11Lines changed: 11 additions & 0 deletions b/‎libraries/Wire/src/Wire.cpp
Copy file name to clipboardExpand all lines: libraries/Wire/src/Wire.cpp
+11Lines changed: 11 additions & 0 deletions
diff --git a/‎libraries/Wire/src/Wire.h
Copy file name to clipboardExpand all lines: libraries/Wire/src/Wire.h
+4-1Lines changed: 4 additions & 1 deletion b/‎libraries/Wire/src/Wire.h
Copy file name to clipboardExpand all lines: libraries/Wire/src/Wire.h
+4-1Lines changed: 4 additions & 1 deletion
@@ -58,6 +58,17 @@ TwoWire::~TwoWire()
     }
 }
 
+bool TwoWire::setPins(int sdaPin, int sclPin)
+{
+    if(i2c) {
+        log_e("can not set pins if begin was already called");
+        return false;
+    }
+    sda = sdaPin;
+    scl = sclPin;
+    return true;
+}
+
 bool TwoWire::begin(int sdaPin, int sclPin, uint32_t frequency)
 {
     if(sdaPin < 0) { // default param passed
 
@@ -67,8 +67,11 @@ class TwoWire: public Stream
 public:
     TwoWire(uint8_t bus_num);
     ~TwoWire();
+    
+    //call setPins() first, so that begin() can be called without arguments from libraries
+    bool setPins(int sda, int scl);
+    
     bool begin(int sda=-1, int scl=-1, uint32_t frequency=100000); // returns true, if successful init of i2c bus
-      // calling will attemp to recover hung bus
 
     void setClock(uint32_t frequency); // change bus clock without initing hardware
     size_t getClock(); // current bus clock rate in hz
Original file line number	Diff line number	Diff line change
`@@ -58,6 +58,17 @@ TwoWire::~TwoWire()`
`58`	`58`	`}`
`59`	`59`	`}`
`60`	`60`
	`61`	`+bool TwoWire::setPins(int sdaPin, int sclPin)`
	`62`	`+{`
	`63`	`+ if(i2c) {`
	`64`	`+ log_e("can not set pins if begin was already called");`
	`65`	`+ return false;`
	`66`	`+ }`
	`67`	`+ sda = sdaPin;`
	`68`	`+ scl = sclPin;`
	`69`	`+ return true;`
	`70`	`+}`
	`71`	`+`
`61`	`72`	`bool TwoWire::begin(int sdaPin, int sclPin, uint32_t frequency)`
`62`	`73`	`{`
`63`	`74`	`if(sdaPin < 0) { // default param passed`