fix for Microsoft/pxt#961

2016-12-20 12:38:00 -08:00
parent 50f0e85884
commit 4ebe9f595a
1 changed files with 4 additions and 1 deletions
--- a/libs/core/serial.cpp
+++ b/libs/core/serial.cpp
@@ -92,7 +92,10 @@ namespace serial {
    //% blockId=serial_redirect block="serial|redirect to|TX %tx|RX %rx|at baud rate %rate"
    //% blockExternalInputs=1
    void redirect(SerialPin tx, SerialPin rx, BaudRate rate) {
-      uBit.serial.redirect((PinName)tx, (PinName)rx);
+      MicroBitPin* txp = getPin(tx); if (!tx) return;
+      MicroBitPin* rxp = getPin(rx); if (!rx) return;
+
+      uBit.serial.redirect(txp->name, rxp->name);
      uBit.serial.baud((int)rate);
    }
 }