diff options
Diffstat (limited to 'cores/arduino/USBAPI.h')
| -rw-r--r-- | cores/arduino/USBAPI.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h index eb2e593..cabecf3 100644 --- a/cores/arduino/USBAPI.h +++ b/cores/arduino/USBAPI.h @@ -25,10 +25,16 @@ extern USBDevice_ USBDevice; //================================================================================ // Serial over CDC (Serial1 is the physical port) +struct ring_buffer; + +#if (RAMEND < 1000) +#define SERIAL_BUFFER_SIZE 16 +#else +#define SERIAL_BUFFER_SIZE 64 +#endif + class Serial_ : public Stream { -private: - ring_buffer *_cdc_rx_buffer; public: void begin(uint16_t baud_count); void end(void); @@ -41,6 +47,10 @@ public: virtual size_t write(uint8_t); using Print::write; // pull in write(str) and write(buf, size) from Print operator bool(); + + volatile uint8_t _rx_buffer_head; + volatile uint8_t _rx_buffer_tail; + unsigned char _rx_buffer[SERIAL_BUFFER_SIZE]; }; extern Serial_ Serial; @@ -193,4 +203,4 @@ void USB_Flush(uint8_t ep); #endif -#endif /* if defined(USBCON) */
\ No newline at end of file +#endif /* if defined(USBCON) */ |