diff options
Diffstat (limited to 'wirish/HardwareSerial.cpp')
| -rw-r--r-- | wirish/HardwareSerial.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/wirish/HardwareSerial.cpp b/wirish/HardwareSerial.cpp index e78156d..3036983 100644 --- a/wirish/HardwareSerial.cpp +++ b/wirish/HardwareSerial.cpp @@ -118,6 +118,9 @@ void HardwareSerial::end(void) { */ uint8 HardwareSerial::read(void) { + // Block until a byte becomes available, to save user confusion. + while (!this->available()) + ; return usart_getc(this->usart_device); } |