Reducing excessive I2C communication timeout (added however the possibility to set the timeout to custom value)

Author: maidnl

libraries/Wire/Wire.cpp

@@ -191,7 +191,7 @@ TwoWire::TwoWire(int scl, int sda, WireAddressMode_t am /*= ADDRESS_MODE_7_BITS*
   is_master(true),
   is_sci(false),
   address_mode(am),
-  timeout(1000),
+  timeout(1),
   transmission_begun(false),
   data_too_long(false),
   rx_index(0),
@@ -835,7 +835,11 @@ void TwoWire::flush(void) {
   while(bus_status != WIRE_STATUS_TX_COMPLETED && bus_status != WIRE_STATUS_TRANSACTION_ABORTED) {}
 }
 
-
+/* -------------------------------------------------------------------------- */
+void TwoWire::setTimeout(unsigned int t) {
+/* -------------------------------------------------------------------------- */
+  timeout = t;
+}
 
 
 #if WIRE_HOWMANY > 0

libraries/Wire/Wire.h

@@ -125,6 +125,8 @@ class TwoWire : public arduino::HardwareI2C {
 
     void setBusStatus(WireStatus_t);
 
+    void setTimeout(unsigned int t);
+
     inline size_t write(unsigned long n) { return write((uint8_t)n); }
     inline size_t write(long n) { return write((uint8_t)n); }
     inline size_t write(unsigned int n) { return write((uint8_t)n); }