Commit | Line | Data |
---|---|---|
df27a6a3 | 1 | /* |
cd011f58 AW |
2 | This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl). |
3 | Smoothie 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. | |
4 | Smoothie 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. | |
df27a6a3 | 5 | You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>. |
cd011f58 AW |
6 | */ |
7 | ||
8 | ||
4cff3ded AW |
9 | #include <string> |
10 | using std::string; | |
11 | #include "Gcode.h" | |
838b33b4 | 12 | #include "libs/StreamOutput.h" |
adc927a8 | 13 | #include "utils.h" |
838b33b4 | 14 | |
838b33b4 | 15 | #include <stdlib.h> |
4cff3ded | 16 | |
edac9072 AW |
17 | // This is a gcode object. It reprensents a GCode string/command, an caches some important values about that command for the sake of performance. |
18 | // It gets passed around in events, and attached to the queue ( that'll change ) | |
00669816 | 19 | Gcode::Gcode(const string& command, StreamOutput* stream) : command(command), m(0), g(0), add_nl(false), stream(stream) { |
702023f3 | 20 | prepare_cached_values(); |
d149c730 | 21 | this->millimeters_of_travel = 0L; |
74b6303c | 22 | this->accepted_by_module=false; |
702023f3 | 23 | } |
4cff3ded | 24 | |
e55e3062 AW |
25 | Gcode::Gcode(const Gcode& to_copy){ |
26 | this->command.assign( to_copy.command ); | |
27 | this->millimeters_of_travel = to_copy.millimeters_of_travel; | |
28 | this->has_m = to_copy.has_m; | |
29 | this->has_g = to_copy.has_g; | |
30 | this->m = to_copy.m; | |
31 | this->g = to_copy.g; | |
32 | this->add_nl = to_copy.add_nl; | |
33 | this->stream = to_copy.stream; | |
74b6303c | 34 | this->accepted_by_module=false; |
e55e3062 AW |
35 | } |
36 | ||
37 | Gcode& Gcode::operator= (const Gcode& to_copy){ | |
38 | if( this != &to_copy ){ | |
39 | this->command.assign( to_copy.command ); | |
40 | this->millimeters_of_travel = to_copy.millimeters_of_travel; | |
41 | this->has_m = to_copy.has_m; | |
42 | this->has_g = to_copy.has_g; | |
43 | this->m = to_copy.m; | |
44 | this->g = to_copy.g; | |
45 | this->add_nl = to_copy.add_nl; | |
46 | this->stream = to_copy.stream; | |
47 | } | |
74b6303c | 48 | this->accepted_by_module=false; |
e55e3062 AW |
49 | return *this; |
50 | } | |
51 | ||
52 | ||
2bb8b390 | 53 | // Whether or not a Gcode has a letter |
4cff3ded | 54 | bool Gcode::has_letter( char letter ){ |
13e4a3f9 | 55 | //return ( this->command->find( letter ) != string::npos ); |
f36ddd7d BG |
56 | for (std::string::const_iterator c = this->command.cbegin(); c != this->command.cend(); c++) { |
57 | if( *c == letter ){ | |
13e4a3f9 AW |
58 | return true; |
59 | } | |
60 | } | |
61 | return false; | |
4cff3ded AW |
62 | } |
63 | ||
13e4a3f9 AW |
64 | // Retrieve the value for a given letter |
65 | // We don't use the high-level methods of std::string because they call malloc and it's very bad to do that inside of interrupts | |
4cff3ded | 66 | double Gcode::get_value( char letter ){ |
838b33b4 | 67 | //__disable_irq(); |
cf67ed1b MM |
68 | const char* cs = command.c_str(); |
69 | char* cn = NULL; | |
70 | for (; *cs; cs++){ | |
71 | if( letter == *cs ){ | |
72 | cs++; | |
73 | double r = strtod(cs, &cn); | |
74 | if (cn > cs) | |
75 | return r; | |
13e4a3f9 AW |
76 | } |
77 | } | |
838b33b4 | 78 | //__enable_irq(); |
df27a6a3 | 79 | return 0; |
4cff3ded | 80 | } |
e6b5ae25 | 81 | |
adc927a8 MM |
82 | int Gcode::get_int( char letter ) |
83 | { | |
105d8d3e MM |
84 | const char* cs = command.c_str(); |
85 | char* cn = NULL; | |
86 | for (; *cs; cs++){ | |
87 | if( letter == *cs ){ | |
88 | cs++; | |
89 | int r = strtol(cs, &cn, 10); | |
90 | if (cn > cs) | |
91 | return r; | |
adc927a8 MM |
92 | } |
93 | } | |
94 | return 0; | |
95 | } | |
96 | ||
d8f8bbf3 L |
97 | int Gcode::get_num_args(){ |
98 | int count = 0; | |
99 | for(size_t i=1; i<this->command.length(); i++){ | |
100 | if( this->command.at(i) >= 'A' && this->command.at(i) <= 'Z' ){ | |
101 | count++; | |
102 | } | |
103 | } | |
104 | return count; | |
105 | } | |
106 | ||
edac9072 | 107 | // Cache some of this command's properties, so we don't have to parse the string every time we want to look at them |
e6b5ae25 AW |
108 | void Gcode::prepare_cached_values(){ |
109 | if( this->has_letter('G') ){ | |
110 | this->has_g = true; | |
105d8d3e | 111 | this->g = this->get_int('G'); |
e6b5ae25 AW |
112 | }else{ |
113 | this->has_g = false; | |
114 | } | |
115 | if( this->has_letter('M') ){ | |
116 | this->has_m = true; | |
105d8d3e | 117 | this->m = this->get_int('M'); |
e6b5ae25 AW |
118 | }else{ |
119 | this->has_m = false; | |
120 | } | |
121 | } | |
74b6303c DD |
122 | |
123 | void Gcode::mark_as_taken(){ | |
124 | this->accepted_by_module = true; | |
125 | } |