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- /**
- * 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_Due.h - Hardware serial library for Arduino DUE
- * Copyright (c) 2017 Eduardo José Tagle. All right reserved
- * Based on MarlinSerial for AVR, copyright (c) 2006 Nicholas Zambetti. All right reserved.
- */
-
- #ifndef MARLINSERIAL_DUE_H
- #define MARLINSERIAL_DUE_H
-
- #include "../../inc/MarlinConfig.h"
-
- #if SERIAL_PORT >= 0
-
- #include <WString.h>
-
- #define DEC 10
- #define HEX 16
- #define OCT 8
- #define BIN 2
-
- // 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 ENABLED(SERIAL_XON_XOFF) && RX_BUFFER_SIZE < 1024
- // #error "SERIAL_XON_XOFF requires RX_BUFFER_SIZE >= 1024 for reliable transfers without drops."
- //#elif RX_BUFFER_SIZE && (RX_BUFFER_SIZE < 2 || !IS_POWER_OF_2(RX_BUFFER_SIZE))
- // #error "RX_BUFFER_SIZE must be a power of 2 greater than 1."
- //#elif TX_BUFFER_SIZE && (TX_BUFFER_SIZE < 2 || TX_BUFFER_SIZE > 256 || !IS_POWER_OF_2(TX_BUFFER_SIZE))
- // #error "TX_BUFFER_SIZE must be 0, a power of 2 greater than 1, and no greater than 256."
- //#endif
-
- #if RX_BUFFER_SIZE > 256
- typedef uint16_t ring_buffer_pos_t;
- #else
- typedef uint8_t ring_buffer_pos_t;
- #endif
-
- #if ENABLED(SERIAL_STATS_DROPPED_RX)
- extern uint8_t rx_dropped_bytes;
- #endif
-
- #if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
- extern uint8_t rx_buffer_overruns;
- #endif
-
- #if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
- extern uint8_t rx_framing_errors;
- #endif
-
- #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
- extern ring_buffer_pos_t rx_max_enqueued;
- #endif
-
- class MarlinSerial {
-
- public:
- MarlinSerial() {};
- static void begin(const long);
- static void end();
- static int peek(void);
- static int read(void);
- static void flush(void);
- static ring_buffer_pos_t available(void);
- static void write(const uint8_t c);
- static void flushTX(void);
-
- #if ENABLED(SERIAL_STATS_DROPPED_RX)
- FORCE_INLINE static uint32_t dropped() { return rx_dropped_bytes; }
- #endif
-
- #if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
- FORCE_INLINE static uint32_t buffer_overruns() { return rx_buffer_overruns; }
- #endif
-
- #if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
- FORCE_INLINE static uint32_t framing_errors() { return rx_framing_errors; }
- #endif
-
- #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
- FORCE_INLINE static ring_buffer_pos_t rxMaxEnqueued() { return rx_max_enqueued; }
- #endif
-
- FORCE_INLINE static void write(const char* str) { while (*str) write(*str++); }
- FORCE_INLINE static void write(const uint8_t* buffer, size_t size) { while (size--) write(*buffer++); }
- FORCE_INLINE static void print(const String& s) { for (int i = 0; i < (int)s.length(); i++) write(s[i]); }
- FORCE_INLINE static void print(const char* str) { write(str); }
-
- static void print(char, int = 0);
- static void print(unsigned char, int = 0);
- static void print(int, int = DEC);
- static void print(unsigned int, int = DEC);
- static void print(long, int = DEC);
- static void print(unsigned long, int = DEC);
- static void print(double, int = 2);
-
- static void println(const String& s);
- static void println(const char[]);
- static void println(char, int = 0);
- static void println(unsigned char, int = 0);
- static void println(int, int = DEC);
- static void println(unsigned int, int = DEC);
- static void println(long, int = DEC);
- static void println(unsigned long, int = DEC);
- static void println(double, int = 2);
- static void println(void);
- operator bool() { return true; }
-
- private:
- static void printNumber(unsigned long, const uint8_t);
- static void printFloat(double, uint8_t);
- };
-
- extern MarlinSerial customizedSerial;
-
- #endif // SERIAL_PORT >= 0
-
- #endif // MARLINSERIAL_DUE_H
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