diff options
| -rw-r--r-- | cores/arduino/CDC.cpp | 5 | ||||
| -rw-r--r-- | cores/arduino/USBAPI.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp index 5e872c5..afbc65d 100644 --- a/cores/arduino/CDC.cpp +++ b/cores/arduino/CDC.cpp @@ -163,6 +163,11 @@ int Serial_::read(void) return USB_Recv(CDC_RX); } +int Serial_::availableForWrite(void) +{ + return USB_SendSpace(CDC_TX); +} + void Serial_::flush(void) { USB_Flush(CDC_TX); diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h index 3d355d2..5f4947e 100644 --- a/cores/arduino/USBAPI.h +++ b/cores/arduino/USBAPI.h @@ -92,6 +92,7 @@ public: virtual int available(void); virtual int peek(void); virtual int read(void); + int availableForWrite(void); virtual void flush(void); virtual size_t write(uint8_t); virtual size_t write(const uint8_t*, size_t); @@ -188,6 +189,7 @@ int USB_SendControl(uint8_t flags, const void* d, int len); int USB_RecvControl(void* d, int len); uint8_t USB_Available(uint8_t ep); +uint8_t USB_SendSpace(uint8_t ep); int USB_Send(uint8_t ep, const void* data, int len); // blocking int USB_Recv(uint8_t ep, void* data, int len); // non-blocking int USB_Recv(uint8_t ep); // non-blocking |