You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
187 lines
6.4 KiB
187 lines
6.4 KiB
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
MarlinSerial.h - Hardware serial library for Wiring
|
|
Copyright (c) 2006 Nicholas Zambetti. All right reserved.
|
|
|
|
Modified 28 September 2010 by Mark Sproul
|
|
Modified 14 February 2016 by Andreas Hardtung (added tx buffer)
|
|
|
|
*/
|
|
|
|
#ifndef MarlinSerial_h
|
|
#define MarlinSerial_h
|
|
#include "Marlin.h"
|
|
|
|
#ifndef CRITICAL_SECTION_START
|
|
#define CRITICAL_SECTION_START unsigned char _sreg = SREG; cli();
|
|
#define CRITICAL_SECTION_END SREG = _sreg;
|
|
#endif
|
|
|
|
|
|
#ifndef SERIAL_PORT
|
|
#define SERIAL_PORT 0
|
|
#endif
|
|
|
|
// The presence of the UBRRH register is used to detect a UART.
|
|
#define UART_PRESENT(port) ((port == 0 && (defined(UBRRH) || defined(UBRR0H))) || \
|
|
(port == 1 && defined(UBRR1H)) || (port == 2 && defined(UBRR2H)) || \
|
|
(port == 3 && defined(UBRR3H)))
|
|
|
|
// These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor
|
|
// requires two levels of indirection to expand macro values properly)
|
|
#define SERIAL_REGNAME(registerbase,number,suffix) SERIAL_REGNAME_INTERNAL(registerbase,number,suffix)
|
|
#if SERIAL_PORT == 0 && (!defined(UBRR0H) || !defined(UDR0)) // use un-numbered registers if necessary
|
|
#define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##suffix
|
|
#else
|
|
#define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##number##suffix
|
|
#endif
|
|
|
|
// Registers used by MarlinSerial class (these are expanded
|
|
// depending on selected serial port
|
|
#define M_UCSRxA SERIAL_REGNAME(UCSR,SERIAL_PORT,A) // defines M_UCSRxA to be UCSRnA where n is the serial port number
|
|
#define M_UCSRxB SERIAL_REGNAME(UCSR,SERIAL_PORT,B)
|
|
#define M_RXENx SERIAL_REGNAME(RXEN,SERIAL_PORT,)
|
|
#define M_TXENx SERIAL_REGNAME(TXEN,SERIAL_PORT,)
|
|
#define M_TXCx SERIAL_REGNAME(TXC,SERIAL_PORT,)
|
|
#define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,)
|
|
#define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,)
|
|
#define M_UDRIEx SERIAL_REGNAME(UDRIE,SERIAL_PORT,)
|
|
#define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,)
|
|
#define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H)
|
|
#define M_UBRRxL SERIAL_REGNAME(UBRR,SERIAL_PORT,L)
|
|
#define M_RXCx SERIAL_REGNAME(RXC,SERIAL_PORT,)
|
|
#define M_USARTx_RX_vect SERIAL_REGNAME(USART,SERIAL_PORT,_RX_vect)
|
|
#define M_U2Xx SERIAL_REGNAME(U2X,SERIAL_PORT,)
|
|
#define M_USARTx_UDRE_vect SERIAL_REGNAME(USART,SERIAL_PORT,_UDRE_vect)
|
|
|
|
|
|
#define DEC 10
|
|
#define HEX 16
|
|
#define OCT 8
|
|
#define BIN 2
|
|
#define BYTE 0
|
|
|
|
|
|
#ifndef USBCON
|
|
// Define constants and variables for buffering incoming serial data. We're
|
|
// using a ring buffer (I think), in which rx_buffer_head is the index of the
|
|
// location to which to write the next incoming character and rx_buffer_tail
|
|
// is the index of the location from which to read.
|
|
// 256 is the max limit due to uint8_t head and tail. Use only powers of 2. (...,16,32,64,128,256)
|
|
#ifndef RX_BUFFER_SIZE
|
|
#define RX_BUFFER_SIZE 128
|
|
#endif
|
|
#ifndef TX_BUFFER_SIZE
|
|
#define TX_BUFFER_SIZE 32
|
|
#endif
|
|
#if !((RX_BUFFER_SIZE == 256) ||(RX_BUFFER_SIZE == 128) ||(RX_BUFFER_SIZE == 64) ||(RX_BUFFER_SIZE == 32) ||(RX_BUFFER_SIZE == 16) ||(RX_BUFFER_SIZE == 8) ||(RX_BUFFER_SIZE == 4) ||(RX_BUFFER_SIZE == 2))
|
|
#error "RX_BUFFER_SIZE has to be a power of 2 and >= 2"
|
|
#endif
|
|
#if !((TX_BUFFER_SIZE == 256) ||(TX_BUFFER_SIZE == 128) ||(TX_BUFFER_SIZE == 64) ||(TX_BUFFER_SIZE == 32) ||(TX_BUFFER_SIZE == 16) ||(TX_BUFFER_SIZE == 8) ||(TX_BUFFER_SIZE == 4) ||(TX_BUFFER_SIZE == 2) ||(TX_BUFFER_SIZE == 0))
|
|
#error TX_BUFFER_SIZE has to be a power of 2 or 0
|
|
#endif
|
|
|
|
struct ring_buffer_r {
|
|
unsigned char buffer[RX_BUFFER_SIZE];
|
|
volatile uint8_t head;
|
|
volatile uint8_t tail;
|
|
};
|
|
|
|
#if TX_BUFFER_SIZE > 0
|
|
struct ring_buffer_t {
|
|
unsigned char buffer[TX_BUFFER_SIZE];
|
|
volatile uint8_t head;
|
|
volatile uint8_t tail;
|
|
};
|
|
#endif
|
|
|
|
#if UART_PRESENT(SERIAL_PORT)
|
|
extern ring_buffer_r rx_buffer;
|
|
#if TX_BUFFER_SIZE > 0
|
|
extern ring_buffer_t tx_buffer;
|
|
#endif
|
|
#endif
|
|
|
|
#if ENABLED(EMERGENCY_PARSER)
|
|
#include "language.h"
|
|
void emergency_parser(unsigned char c);
|
|
#endif
|
|
|
|
class MarlinSerial { //: public Stream
|
|
|
|
public:
|
|
MarlinSerial();
|
|
void begin(long);
|
|
void end();
|
|
int peek(void);
|
|
int read(void);
|
|
void flush(void);
|
|
uint8_t available(void);
|
|
void checkRx(void);
|
|
void write(uint8_t c);
|
|
#if TX_BUFFER_SIZE > 0
|
|
uint8_t availableForWrite(void);
|
|
void flushTX(void);
|
|
#endif
|
|
|
|
private:
|
|
void printNumber(unsigned long, uint8_t);
|
|
void printFloat(double, uint8_t);
|
|
|
|
public:
|
|
FORCE_INLINE void write(const char* str) { while (*str) write(*str++); }
|
|
FORCE_INLINE void write(const uint8_t* buffer, size_t size) { while (size--) write(*buffer++); }
|
|
FORCE_INLINE void print(const String& s) { for (int i = 0; i < (int)s.length(); i++) write(s[i]); }
|
|
FORCE_INLINE void print(const char* str) { write(str); }
|
|
|
|
void print(char, int = BYTE);
|
|
void print(unsigned char, int = BYTE);
|
|
void print(int, int = DEC);
|
|
void print(unsigned int, int = DEC);
|
|
void print(long, int = DEC);
|
|
void print(unsigned long, int = DEC);
|
|
void print(double, int = 2);
|
|
|
|
void println(const String& s);
|
|
void println(const char[]);
|
|
void println(char, int = BYTE);
|
|
void println(unsigned char, int = BYTE);
|
|
void println(int, int = DEC);
|
|
void println(unsigned int, int = DEC);
|
|
void println(long, int = DEC);
|
|
void println(unsigned long, int = DEC);
|
|
void println(double, int = 2);
|
|
void println(void);
|
|
};
|
|
|
|
extern MarlinSerial customizedSerial;
|
|
#endif // !USBCON
|
|
|
|
// Use the UART for Bluetooth in AT90USB configurations
|
|
#if defined(USBCON) && ENABLED(BLUETOOTH)
|
|
extern HardwareSerial bluetoothSerial;
|
|
#endif
|
|
|
|
#endif
|