marlin/Marlin/src/core/serial.h

/**
 * 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/>.
 *
 */

#ifndef __SERIAL_H__
#define __SERIAL_H__

#include "../inc/MarlinConfig.h"

#if HAS_ABL && ENABLED(DEBUG_LEVELING_FEATURE)
  #include "../libs/vector_3.h"
#endif

/**
 * Define debug bit-masks
 */
enum DebugFlags {
  DEBUG_NONE          = 0,
  DEBUG_ECHO          = _BV(0), ///< Echo commands in order as they are processed
  DEBUG_INFO          = _BV(1), ///< Print messages for code that has debug output
  DEBUG_ERRORS        = _BV(2), ///< Not implemented
  DEBUG_DRYRUN        = _BV(3), ///< Ignore temperature setting and E movement commands
  DEBUG_COMMUNICATION = _BV(4), ///< Not implemented
  DEBUG_LEVELING      = _BV(5), ///< Print detailed output for homing and leveling
  DEBUG_MESH_ADJUST   = _BV(6), ///< UBL bed leveling
  DEBUG_ALL           = 0xFF
};

#if ENABLED(EMERGENCY_PARSER)
  enum e_parser_state {
    state_RESET,
    state_N,
    state_M,
    state_M1,
    state_M10,
    state_M108,
    state_M11,
    state_M112,
    state_M4,
    state_M41,
    state_M410,
    state_IGNORE // to '\n'
  };
#endif

//todo: HAL: breaks encapsulation
// For AVR only, define a serial interface based on configuration
#ifdef __AVR__
  #ifdef USBCON
    #include <HardwareSerial.h>
    #if ENABLED(BLUETOOTH)
      #define MYSERIAL bluetoothSerial
    #else
      #define MYSERIAL Serial
    #endif // BLUETOOTH
  #else
    #include "../HAL/HAL_AVR/MarlinSerial.h"
    #define MYSERIAL customizedSerial
  #endif
#endif

#ifdef ARDUINO_ARCH_SAM
  // To pull the Serial port definitions and overrides
  #include "../HAL/HAL_DUE/MarlinSerial_Due.h"
#endif

extern uint8_t marlin_debug_flags;
#define DEBUGGING(F) (marlin_debug_flags & (DEBUG_## F))

extern const char echomagic[] PROGMEM;
extern const char errormagic[] PROGMEM;

#define SERIAL_CHAR(x) ((void)MYSERIAL.write(x))
#define SERIAL_EOL() SERIAL_CHAR('\n')

#define SERIAL_PROTOCOLCHAR(x)              SERIAL_CHAR(x)
#define SERIAL_PROTOCOL(x)                  (MYSERIAL.print(x))
#define SERIAL_PROTOCOL_F(x,y)              (MYSERIAL.print(x,y))
#define SERIAL_PROTOCOLPGM(x)               (serialprintPGM(PSTR(x)))
#define SERIAL_PROTOCOLLN(x)                do{ MYSERIAL.print(x); SERIAL_EOL(); }while(0)
#define SERIAL_PROTOCOLLNPGM(x)             (serialprintPGM(PSTR(x "\n")))
#define SERIAL_PROTOCOLPAIR(pre, value)     (serial_echopair_P(PSTR(pre),(value)))
#define SERIAL_PROTOCOLLNPAIR(pre, value)   do{ SERIAL_PROTOCOLPAIR(pre, value); SERIAL_EOL(); }while(0)

#define SERIAL_ECHO_START()            (serialprintPGM(echomagic))
#define SERIAL_ECHO(x)                 SERIAL_PROTOCOL(x)
#define SERIAL_ECHOPGM(x)              SERIAL_PROTOCOLPGM(x)
#define SERIAL_ECHOLN(x)               SERIAL_PROTOCOLLN(x)
#define SERIAL_ECHOLNPGM(x)            SERIAL_PROTOCOLLNPGM(x)
#define SERIAL_ECHOPAIR(pre,value)     SERIAL_PROTOCOLPAIR(pre, value)
#define SERIAL_ECHOLNPAIR(pre, value)  SERIAL_PROTOCOLLNPAIR(pre, value)
#define SERIAL_ECHO_F(x,y)             SERIAL_PROTOCOL_F(x,y)

#define SERIAL_ERROR_START()           (serialprintPGM(errormagic))
#define SERIAL_ERROR(x)                SERIAL_PROTOCOL(x)
#define SERIAL_ERRORPGM(x)             SERIAL_PROTOCOLPGM(x)
#define SERIAL_ERRORLN(x)              SERIAL_PROTOCOLLN(x)
#define SERIAL_ERRORLNPGM(x)           SERIAL_PROTOCOLLNPGM(x)

// These macros compensate for float imprecision
#define SERIAL_PROTOCOLPAIR_F(pre, value)   SERIAL_PROTOCOLPAIR(pre, FIXFLOAT(value))
#define SERIAL_PROTOCOLLNPAIR_F(pre, value) SERIAL_PROTOCOLLNPAIR(pre, FIXFLOAT(value))
#define SERIAL_ECHOPAIR_F(pre,value)        SERIAL_ECHOPAIR(pre, FIXFLOAT(value))
#define SERIAL_ECHOLNPAIR_F(pre, value)     SERIAL_ECHOLNPAIR(pre, FIXFLOAT(value))

void serial_echopair_P(const char* s_P, const char *v);
void serial_echopair_P(const char* s_P, char v);
void serial_echopair_P(const char* s_P, int v);
void serial_echopair_P(const char* s_P, long v);
void serial_echopair_P(const char* s_P, float v);
void serial_echopair_P(const char* s_P, double v);
void serial_echopair_P(const char* s_P, unsigned int v);
void serial_echopair_P(const char* s_P, unsigned long v);
FORCE_INLINE void serial_echopair_P(const char* s_P, uint8_t v) { serial_echopair_P(s_P, (int)v); }
FORCE_INLINE void serial_echopair_P(const char* s_P, bool v) { serial_echopair_P(s_P, (int)v); }
FORCE_INLINE void serial_echopair_P(const char* s_P, void *v) { serial_echopair_P(s_P, (unsigned long)v); }

void serial_spaces(uint8_t count);
#define SERIAL_ECHO_SP(C)     serial_spaces(C)
#define SERIAL_ERROR_SP(C)    serial_spaces(C)
#define SERIAL_PROTOCOL_SP(C) serial_spaces(C)

//
// Functions for serial printing from PROGMEM. (Saves loads of SRAM.)
//
void serialprintPGM(const char* str);

#if ENABLED(DEBUG_LEVELING_FEATURE)
  void print_xyz(const char* prefix, const char* suffix, const float x, const float y, const float z);
  void print_xyz(const char* prefix, const char* suffix, const float xyz[]);
  #if HAS_ABL
    void print_xyz(const char* prefix, const char* suffix, const vector_3 &xyz);
  #endif
  #define DEBUG_POS(SUFFIX,VAR) do { \
    print_xyz(PSTR("  " STRINGIFY(VAR) "="), PSTR(" : " SUFFIX "\n"), VAR); }while(0)
#endif

#endif // __SERIAL_H__