Lab_interaccio/2015/OSC_Serial_LED/SLIPEncodedUSBSerial.h
2025-02-25 21:29:42 +01:00

99 lines
2.3 KiB
C++

/*
Extends the Serial class to encode SLIP over serial
*/
#include "Arduino.h"
#ifndef SLIPEncodedUSBSerial_h
#define SLIPEncodedUSBSerial_h
#include <Stream.h>
#if (defined(CORE_TEENSY) && defined(USB_SERIAL)) || (!defined(CORE_TEENSY) && defined(__AVR_ATmega32U4__)) || defined(__SAM3X8E__) || (defined(_USB) && defined(_USE_USB_FOR_SERIAL_)) || defined(BOARD_maple_mini)
//import the serial USB object
#if defined (__MK20DX128__) || defined (__MK20DX512__) || defined(BOARD_maple_mini) || defined(CORE_TEENSY)
#include <usb_serial.h>
#elif defined(__SAM3X8E__)
#include <USB/USBAPI.h>
#elif defined(__PIC32MX__)
#include "HardwareSerial.h"
#elif defined(__AVR_ATmega32U4__)
// leonardo
//#include "Platform.h"
#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)
usb_serial_class
#elif defined(__SAM3X8E__) || defined(__AVR_ATmega32U4__)
Serial_
#elif defined(__PIC32MX__) || defined(BOARD_maple_mini)
USBSerial
#else
#error Unknown USBserial type
#endif
* serial;
public:
SLIPEncodedUSBSerial(
//different constructor for each platform
#if defined(CORE_TEENSY)
usb_serial_class
#elif defined(__SAM3X8E__) || defined(__AVR_ATmega32U4__)
Serial_
#elif defined(__PIC32MX__) || defined(BOARD_maple_mini)
USBSerial
#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();
//the arduino and wiring libraries have different return types for the write function
#if defined(WIRING) || defined(BOARD_DEFS_H)
void write(uint8_t b);
void write(const uint8_t *buffer, size_t size);
#else
//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
#endif