Clear RX buffer in TwoWire::requestFrom before reading

sandeepmistry · cmaglie · commit de71470f0658 · 2016-03-30T17:38:04.000+02:00
diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp
@@ -71,6 +71,8 @@ uint8_t TwoWire::requestFrom(uint8_t address, size_t quantity, bool stopBit)
 
   size_t byteRead = 0;
 
+  rxBuffer.clear();
+
   if(sercom->startTransmissionWIRE(address, WIRE_READ_FLAG))
   {
     // Read first data

Original file line number	Diff line number	Diff line change
`@@ -71,6 +71,8 @@ uint8_t TwoWire::requestFrom(uint8_t address, size_t quantity, bool stopBit)`
`71`	`71`
`72`	`72`	`size_t byteRead = 0;`
`73`	`73`
	`74`	`+ rxBuffer.clear();`
	`75`	`+`
`74`	`76`	`if(sercom->startTransmissionWIRE(address, WIRE_READ_FLAG))`
`75`	`77`	`{`
`76`	`78`	`// Read first data`