341 lines
12 KiB
C++
341 lines
12 KiB
C++
/**
|
|
* 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/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* parser.h - Parser for a GCode line, providing a parameter interface.
|
|
* Codes like M149 control the way the GCode parser behaves,
|
|
* so settings for these codes are located in this class.
|
|
*/
|
|
|
|
#ifndef _PARSER_H_
|
|
#define _PARSER_H_
|
|
|
|
#include "enum.h"
|
|
#include "types.h"
|
|
#include "MarlinConfig.h"
|
|
|
|
//#define DEBUG_GCODE_PARSER
|
|
#if ENABLED(DEBUG_GCODE_PARSER)
|
|
#include "hex_print_routines.h"
|
|
#include "serial.h"
|
|
#endif
|
|
|
|
#define strtof strtod
|
|
|
|
/**
|
|
* GCode parser
|
|
*
|
|
* - Parse a single gcode line for its letter, code, subcode, and parameters
|
|
* - FASTER_GCODE_PARSER:
|
|
* - Flags existing params (1 bit each)
|
|
* - Stores value offsets (1 byte each)
|
|
* - Provide accessors for parameters:
|
|
* - Parameter exists
|
|
* - Parameter has value
|
|
* - Parameter value in different units and types
|
|
*/
|
|
class GCodeParser {
|
|
|
|
private:
|
|
static char *value_ptr; // Set by seen, used to fetch the value
|
|
|
|
#if ENABLED(FASTER_GCODE_PARSER)
|
|
static uint32_t codebits; // Parameters pre-scanned
|
|
static uint8_t param[26]; // For A-Z, offsets into command args
|
|
#else
|
|
static char *command_args; // Args start here, for slow scan
|
|
#endif
|
|
|
|
public:
|
|
|
|
// Global states for GCode-level units features
|
|
|
|
static bool volumetric_enabled;
|
|
|
|
#if ENABLED(INCH_MODE_SUPPORT)
|
|
static float linear_unit_factor, volumetric_unit_factor;
|
|
#endif
|
|
|
|
#if ENABLED(TEMPERATURE_UNITS_SUPPORT)
|
|
static TempUnit input_temp_units;
|
|
#endif
|
|
|
|
// Command line state
|
|
static char *command_ptr, // The command, so it can be echoed
|
|
*string_arg; // string of command line
|
|
|
|
static char command_letter; // G, M, or T
|
|
static int codenum; // 123
|
|
#if USE_GCODE_SUBCODES
|
|
static uint8_t subcode; // .1
|
|
#endif
|
|
|
|
#if ENABLED(DEBUG_GCODE_PARSER)
|
|
static void debug();
|
|
#endif
|
|
|
|
GCodeParser() {
|
|
#if ENABLED(INCH_MODE_SUPPORT)
|
|
set_input_linear_units(LINEARUNIT_MM);
|
|
#endif
|
|
}
|
|
|
|
// Reset is done before parsing
|
|
static void reset();
|
|
|
|
#define LETTER_BIT(N) ((N) - 'A')
|
|
|
|
FORCE_INLINE static bool valid_signless(const char * const p) {
|
|
return NUMERIC(p[0]) || (p[0] == '.' && NUMERIC(p[1])); // .?[0-9]
|
|
}
|
|
|
|
FORCE_INLINE static bool valid_float(const char * const p) {
|
|
return valid_signless(p) || ((p[0] == '-' || p[0] == '+') && valid_signless(&p[1])); // [-+]?.?[0-9]
|
|
}
|
|
|
|
#if ENABLED(FASTER_GCODE_PARSER)
|
|
|
|
FORCE_INLINE static bool valid_int(const char * const p) {
|
|
return NUMERIC(p[0]) || ((p[0] == '-' || p[0] == '+') && NUMERIC(p[1])); // [-+]?[0-9]
|
|
}
|
|
|
|
// Set the flag and pointer for a parameter
|
|
static void set(const char c, char * const ptr) {
|
|
const uint8_t ind = LETTER_BIT(c);
|
|
if (ind >= COUNT(param)) return; // Only A-Z
|
|
SBI32(codebits, ind); // parameter exists
|
|
param[ind] = ptr ? ptr - command_ptr : 0; // parameter offset or 0
|
|
#if ENABLED(DEBUG_GCODE_PARSER)
|
|
if (codenum == 800) {
|
|
SERIAL_ECHOPAIR("Set bit ", (int)ind);
|
|
SERIAL_ECHOPAIR(" of codebits (", hex_address((void*)(codebits >> 16)));
|
|
print_hex_word((uint16_t)(codebits & 0xFFFF));
|
|
SERIAL_ECHOLNPAIR(") | param = ", (int)param[ind]);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// Code seen bit was set. If not found, value_ptr is unchanged.
|
|
// This allows "if (seen('A')||seen('B'))" to use the last-found value.
|
|
static bool seen(const char c) {
|
|
const uint8_t ind = LETTER_BIT(c);
|
|
if (ind >= COUNT(param)) return false; // Only A-Z
|
|
const bool b = TEST32(codebits, ind);
|
|
if (b) {
|
|
#if ENABLED(DEBUG_GCODE_PARSER)
|
|
if (codenum == 800) {
|
|
SERIAL_CHAR('\''); SERIAL_CHAR(c); SERIAL_ECHOLNPGM("' is seen");
|
|
}
|
|
#endif
|
|
char * const ptr = command_ptr + param[ind];
|
|
value_ptr = param[ind] && valid_float(ptr) ? ptr : (char*)NULL;
|
|
}
|
|
return b;
|
|
}
|
|
|
|
static bool seen_any() { return !!codebits; }
|
|
|
|
#define SEEN_TEST(L) TEST32(codebits, LETTER_BIT(L))
|
|
|
|
#else // !FASTER_GCODE_PARSER
|
|
|
|
// Code is found in the string. If not found, value_ptr is unchanged.
|
|
// This allows "if (seen('A')||seen('B'))" to use the last-found value.
|
|
static bool seen(const char c) {
|
|
char *p = strchr(command_args, c);
|
|
const bool b = !!p;
|
|
if (b) value_ptr = valid_float(&p[1]) ? &p[1] : (char*)NULL;
|
|
return b;
|
|
}
|
|
|
|
static bool seen_any() { return *command_args == '\0'; }
|
|
|
|
#define SEEN_TEST(L) !!strchr(command_args, L)
|
|
|
|
#endif // !FASTER_GCODE_PARSER
|
|
|
|
// Seen any axis parameter
|
|
static bool seen_axis() {
|
|
return SEEN_TEST('X') || SEEN_TEST('Y') || SEEN_TEST('Z') || SEEN_TEST('E');
|
|
}
|
|
|
|
// Populate all fields by parsing a single line of GCode
|
|
// This uses 54 bytes of SRAM to speed up seen/value
|
|
static void parse(char * p);
|
|
|
|
#if ENABLED(CNC_COORDINATE_SYSTEMS)
|
|
// Parse the next parameter as a new command
|
|
static bool chain();
|
|
#endif
|
|
|
|
// The code value pointer was set
|
|
FORCE_INLINE static bool has_value() { return value_ptr != NULL; }
|
|
|
|
// Seen a parameter with a value
|
|
inline static bool seenval(const char c) { return seen(c) && has_value(); }
|
|
|
|
// Float removes 'E' to prevent scientific notation interpretation
|
|
inline static float value_float() {
|
|
if (value_ptr) {
|
|
char *e = value_ptr;
|
|
for (;;) {
|
|
const char c = *e;
|
|
if (c == '\0' || c == ' ') break;
|
|
if (c == 'E' || c == 'e') {
|
|
*e = '\0';
|
|
const float ret = strtof(value_ptr, NULL);
|
|
*e = c;
|
|
return ret;
|
|
}
|
|
++e;
|
|
}
|
|
return strtof(value_ptr, NULL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Code value as a long or ulong
|
|
inline static int32_t value_long() { return value_ptr ? strtol(value_ptr, NULL, 10) : 0L; }
|
|
inline static uint32_t value_ulong() { return value_ptr ? strtoul(value_ptr, NULL, 10) : 0UL; }
|
|
|
|
// Code value for use as time
|
|
FORCE_INLINE static millis_t value_millis() { return value_ulong(); }
|
|
FORCE_INLINE static millis_t value_millis_from_seconds() { return value_float() * 1000UL; }
|
|
|
|
// Reduce to fewer bits
|
|
FORCE_INLINE static int16_t value_int() { return (int16_t)value_long(); }
|
|
FORCE_INLINE static uint16_t value_ushort() { return (uint16_t)value_long(); }
|
|
inline static uint8_t value_byte() { return (uint8_t)constrain(value_long(), 0, 255); }
|
|
|
|
// Bool is true with no value or non-zero
|
|
inline static bool value_bool() { return !has_value() || !!value_byte(); }
|
|
|
|
// Units modes: Inches, Fahrenheit, Kelvin
|
|
|
|
#if ENABLED(INCH_MODE_SUPPORT)
|
|
|
|
inline static void set_input_linear_units(const LinearUnit units) {
|
|
switch (units) {
|
|
case LINEARUNIT_INCH:
|
|
linear_unit_factor = 25.4;
|
|
break;
|
|
case LINEARUNIT_MM:
|
|
default:
|
|
linear_unit_factor = 1.0;
|
|
break;
|
|
}
|
|
volumetric_unit_factor = POW(linear_unit_factor, 3.0);
|
|
}
|
|
|
|
inline static float axis_unit_factor(const AxisEnum axis) {
|
|
return (axis >= E_AXIS && volumetric_enabled ? volumetric_unit_factor : linear_unit_factor);
|
|
}
|
|
|
|
inline static float value_linear_units() { return value_float() * linear_unit_factor; }
|
|
inline static float value_axis_units(const AxisEnum axis) { return value_float() * axis_unit_factor(axis); }
|
|
inline static float value_per_axis_unit(const AxisEnum axis) { return value_float() / axis_unit_factor(axis); }
|
|
|
|
#else
|
|
|
|
FORCE_INLINE static float value_linear_units() { return value_float(); }
|
|
FORCE_INLINE static float value_axis_units(const AxisEnum a) { UNUSED(a); return value_float(); }
|
|
FORCE_INLINE static float value_per_axis_unit(const AxisEnum a) { UNUSED(a); return value_float(); }
|
|
|
|
#endif
|
|
|
|
#if ENABLED(TEMPERATURE_UNITS_SUPPORT)
|
|
|
|
inline static void set_input_temp_units(TempUnit units) { input_temp_units = units; }
|
|
|
|
#if ENABLED(ULTIPANEL) && DISABLED(DISABLE_M503)
|
|
|
|
FORCE_INLINE static char temp_units_code() {
|
|
return input_temp_units == TEMPUNIT_K ? 'K' : input_temp_units == TEMPUNIT_F ? 'F' : 'C';
|
|
}
|
|
FORCE_INLINE static const char* temp_units_name() {
|
|
return input_temp_units == TEMPUNIT_K ? PSTR("Kelvin") : input_temp_units == TEMPUNIT_F ? PSTR("Fahrenheit") : PSTR("Celsius");
|
|
}
|
|
inline static float to_temp_units(const float &f) {
|
|
switch (input_temp_units) {
|
|
case TEMPUNIT_F:
|
|
return f * 0.5555555556 + 32.0;
|
|
case TEMPUNIT_K:
|
|
return f + 273.15;
|
|
case TEMPUNIT_C:
|
|
default:
|
|
return f;
|
|
}
|
|
}
|
|
|
|
#endif // ULTIPANEL && !DISABLE_M503
|
|
|
|
inline static float value_celsius() {
|
|
const float f = value_float();
|
|
switch (input_temp_units) {
|
|
case TEMPUNIT_F:
|
|
return (f - 32.0) * 0.5555555556;
|
|
case TEMPUNIT_K:
|
|
return f - 273.15;
|
|
case TEMPUNIT_C:
|
|
default:
|
|
return f;
|
|
}
|
|
}
|
|
|
|
inline static float value_celsius_diff() {
|
|
switch (input_temp_units) {
|
|
case TEMPUNIT_F:
|
|
return value_float() * 0.5555555556;
|
|
case TEMPUNIT_C:
|
|
case TEMPUNIT_K:
|
|
default:
|
|
return value_float();
|
|
}
|
|
}
|
|
|
|
#else // !TEMPERATURE_UNITS_SUPPORT
|
|
|
|
FORCE_INLINE static float value_celsius() { return value_float(); }
|
|
FORCE_INLINE static float value_celsius_diff() { return value_float(); }
|
|
|
|
#endif // !TEMPERATURE_UNITS_SUPPORT
|
|
|
|
FORCE_INLINE static float value_feedrate() { return value_linear_units(); }
|
|
|
|
void unknown_command_error();
|
|
|
|
// Provide simple value accessors with default option
|
|
FORCE_INLINE static float floatval(const char c, const float dval=0.0) { return seenval(c) ? value_float() : dval; }
|
|
FORCE_INLINE static bool boolval(const char c, const bool dval=false) { return seenval(c) ? value_bool() : (seen(c) ? true : dval); }
|
|
FORCE_INLINE static uint8_t byteval(const char c, const uint8_t dval=0) { return seenval(c) ? value_byte() : dval; }
|
|
FORCE_INLINE static int16_t intval(const char c, const int16_t dval=0) { return seenval(c) ? value_int() : dval; }
|
|
FORCE_INLINE static uint16_t ushortval(const char c, const uint16_t dval=0) { return seenval(c) ? value_ushort() : dval; }
|
|
FORCE_INLINE static int32_t longval(const char c, const int32_t dval=0) { return seenval(c) ? value_long() : dval; }
|
|
FORCE_INLINE static uint32_t ulongval(const char c, const uint32_t dval=0) { return seenval(c) ? value_ulong() : dval; }
|
|
FORCE_INLINE static float linearval(const char c, const float dval=0.0) { return seenval(c) ? value_linear_units() : dval; }
|
|
FORCE_INLINE static float celsiusval(const char c, const float dval=0.0) { return seenval(c) ? value_celsius() : dval; }
|
|
|
|
};
|
|
|
|
extern GCodeParser parser;
|
|
|
|
#endif // _PARSER_H_
|