DigistumpArduino/digistump-avr/libraries/DigisparkCDC/DigiCDC.h at 5d3ba410570d1b5d7434d2bc6abd8b1c1f4765cf · digistump/DigistumpArduino · GitHub

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/*

CDC Arduino Library by Ihsan Kehribar (kehribar.me)
and Digistump LLC (digistump.com)
- all changes made under the same license as V-USB


 */
#ifndef __DigiCDC_h__
#define __DigiCDC_h__
#include "usbdrv.h"


#include "Stream.h"
#include "ringBuffer.h"


#define HW_CDC_TX_BUF_SIZE     32
#define HW_CDC_RX_BUF_SIZE     32
#define HW_CDC_BULK_OUT_SIZE     8
#define HW_CDC_BULK_IN_SIZE      8


/* library functions and variables start */
static uint8_t tmp[HW_CDC_BULK_IN_SIZE];
static uint8_t index = 0;

static RingBuffer_t rxBuf;
static uint8_t      rxBuf_Data[HW_CDC_RX_BUF_SIZE];

static RingBuffer_t txBuf;
static uint8_t      txBuf_Data[HW_CDC_TX_BUF_SIZE];


class DigiCDCDevice  : public Stream {
    public:
        DigiCDCDevice();
        void begin(), begin(unsigned long x);
        void end();
        void refresh();
        void task();
        void delay(long milli);
        virtual int available(void);
        virtual int peek(void);
        virtual int read(void);
        virtual bool getDTR(void);
        virtual bool getRTS(void);
        virtual void flush(void);
        virtual size_t write(uint8_t);
        using Print::write;
        operator bool();
    private:
        void usbBegin();
        void usbPollWrapper();
 };


extern DigiCDCDevice SerialUSB;


#endif // __DigiCDC_h__