diff options
| author | Zach Eveland <zeveland@blacklabel-development.com> | 2012-04-01 12:54:35 -0400 |
|---|---|---|
| committer | Zach Eveland <zeveland@blacklabel-development.com> | 2012-04-01 12:54:35 -0400 |
| commit | a984b581a8ad093b55ec9f2d4677afdd77bf4705 (patch) | |
| tree | c3f4c2119b2c2129d8948b872920a235286dbb40 /cores/arduino/USBAPI.h | |
| parent | 1534b2b730af952d836ecaf79563fa54f689720b (diff) | |
added Boolean operators to HardwareSerial and CDC to test whether the port is ready to send data.
Mostly useful for Leonardo - simple way to test whether the port is actually opened by an application and ready to receive data. For Serial objects attached to real UARTs always returns true.
Diffstat (limited to 'cores/arduino/USBAPI.h')
| -rw-r--r-- | cores/arduino/USBAPI.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h index 5169e65..f66cb16 100644 --- a/cores/arduino/USBAPI.h +++ b/cores/arduino/USBAPI.h @@ -39,6 +39,7 @@ public: virtual int read(void); virtual void flush(void); virtual size_t write(uint8_t); + operator bool(); }; extern Serial_ Serial; |