Cast pins to signed integers to avoid Wtype-limits compile warning

1 files changed, 2 insertions, 2 deletions

diff --git a/libraries/SoftwareSerial/src/SoftwareSerial.cpp b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
index 474fe4a..3163d7a 100644
--- a/libraries/SoftwareSerial/src/SoftwareSerial.cpp
+++ b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
@@ -316,7 +316,7 @@ void SoftwareSerial::begin(long speed)
   _tx_delay = subtract_cap(bit_delay, 15 / 4);

 

   // Only setup rx when we have a valid PCINT for this pin

-  if (digitalPinToPCICR(_receivePin)) {

+  if (digitalPinToPCICR((int8_t)_receivePin)) {

     #if GCC_VERSION > 40800

     // Timings counted from gcc 4.8.2 output. This works up to 115200 on

     // 16Mhz and 57600 on 8Mhz.

@@ -357,7 +357,7 @@ void SoftwareSerial::begin(long speed)
     // Enable the PCINT for the entire port here, but never disable it

     // (others might also need it, so we disable the interrupt by using

     // the per-pin PCMSK register).

-    *digitalPinToPCICR(_receivePin) |= _BV(digitalPinToPCICRbit(_receivePin));

+    *digitalPinToPCICR((int8_t)_receivePin) |= _BV(digitalPinToPCICRbit(_receivePin));

     // Precalculate the pcint mask register and value, so setRxIntMask

     // can be used inside the ISR without costing too much time.

     _pcint_maskreg = digitalPinToPCMSK(_receivePin);