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SLIPEncodedUSBSerial.h
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SLIPEncodedUSBSerial.h
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/*
Extends the Serial class to encode SLIP over serial
*/
#include "Arduino.h"
#ifndef SLIPEncodedUSBSerial_h
#define SLIPEncodedUSBSerial_h
#include <Stream.h>
#if (defined(TEENSYDUINO) && defined(USB_SERIAL)) || (!defined(TEENSYDUINO) && defined(__AVR_ATmega32U4__)) || defined(__SAM3X8E__) || (defined(_USB) && defined(_USE_USB_FOR_SERIAL_)) || defined(_SAMD21_) || (defined(__PIC32MX__) || defined(__PIC32MZ__))
//import the serial USB object
#if defined(TEENSYDUINO) && defined (__arm__)
#if !defined(USB_HOST_TEENSY36_)
#include <usb_serial.h>
#endif
#elif defined(TEENSYDUINO) && defined (__AVR__)
#include <usb_api.h>
#elif defined(__SAM3X8E__) || defined(_SAMD21_)
#include <USB/USBAPI.h>
#elif (defined(__PIC32MX__) || defined(__PIC32MZ__))
#include <USB.h>
#elif defined(__AVR_ATmega32U4__)
#include "USBAPI.h"
#include <avr/wdt.h>
#else
#error Unknown USB port
#endif
class SLIPEncodedUSBSerial: public Stream{
private:
enum erstate {CHAR, FIRSTEOT, SECONDEOT, SLIPESC } rstate;
//different type for each platform
#if defined(CORE_TEENSY)
#if defined(USB_HOST_TEENSY36)
USBSerial
#else
usb_serial_class
#endif
#elif defined(__SAM3X8E__) || defined(__AVR_ATmega32U4__) || defined(_SAMD21_) || defined(__ARM__)
Serial_
#elif (defined(__PIC32MX__) || defined(__PIC32MZ__))
CDCACM
#else
#error Unknown USBserial type
#endif
* serial;
public:
SLIPEncodedUSBSerial(
//different constructor for each platform
#if defined(CORE_TEENSY)
#if defined(USB_HOST_TEENSY36)
USBSerial
#else
usb_serial_class
#endif
#elif defined(__SAM3X8E__) || defined(__AVR_ATmega32U4__) || defined(_SAMD21_) || defined(__ARM__)
Serial_
#elif (defined(__PIC32MX__) || defined(__PIC32MZ__))
CDCACM
#else
#error Unknown USBserial type
#endif
& );
int available();
int read();
int readBytes( uint8_t *buffer, size_t size);
int peek();
void flush();
//same as Serial.begin
void begin(unsigned long);
//SLIP specific method which begins a transmitted packet
void beginPacket();
//SLIP specific method which ends a transmittedpacket
void endPacket();
// SLIP specific method which indicates that an EOT was received
bool endofPacket();
//overrides the Stream's write function to encode SLIP
size_t write(uint8_t b);
size_t write(const uint8_t *buffer, size_t size);
//using Print::write;
};
#endif
#endif