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authorCristian Maglie <c.maglie@bug.st>2012-06-27 13:51:16 +0200
committerCristian Maglie <c.maglie@bug.st>2012-06-27 13:51:16 +0200
commit2d2050eabeaff7109ba89fdd0100556c981cf373 (patch)
tree1f6d9725b59aa02e5400a8117eeec3206d88047d /cores/arduino/HardwareSerial.cpp
parent324023a67afd1691f12ead4388d7cdf1a9d1a6ef (diff)
parent31c24577835b0a9c7a1291ffbda1b61d96818511 (diff)
Merged master
Diffstat (limited to 'cores/arduino/HardwareSerial.cpp')
-rw-r--r--cores/arduino/HardwareSerial.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
index 1b1fa71..f40ddee 100644
--- a/cores/arduino/HardwareSerial.cpp
+++ b/cores/arduino/HardwareSerial.cpp
@@ -46,8 +46,8 @@
struct ring_buffer
{
unsigned char buffer[SERIAL_BUFFER_SIZE];
- volatile int head;
- volatile int tail;
+ volatile unsigned int head;
+ volatile unsigned int tail;
};
#if defined(USBCON)
@@ -398,6 +398,10 @@ size_t HardwareSerial::write(uint8_t c)
return 1;
}
+HardwareSerial::operator bool() {
+ return true;
+}
+
// Preinstantiate Objects //////////////////////////////////////////////////////
#if defined(UBRRH) && defined(UBRRL)