| 1 | /* |
| 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. |
| 5 | You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>. |
| 6 | */ |
| 7 | |
| 8 | |
| 9 | #include "libs/Kernel.h" |
| 10 | #include "Player.h" |
| 11 | #include "libs/nuts_bolts.h" |
| 12 | #include "libs/utils.h" |
| 13 | #include "libs/SerialMessage.h" |
| 14 | #include "libs/StreamOutput.h" |
| 15 | #include "modules/robot/Conveyor.h" |
| 16 | |
| 17 | |
| 18 | void Player::on_module_loaded(){ |
| 19 | this->playing_file = false; |
| 20 | this->booted = false; |
| 21 | this->register_for_event(ON_CONSOLE_LINE_RECEIVED); |
| 22 | this->register_for_event(ON_MAIN_LOOP); |
| 23 | |
| 24 | this->on_boot_file_name = this->kernel->config->value(on_boot_gcode_checksum)->by_default("on_boot.gcode")->as_string(); |
| 25 | } |
| 26 | |
| 27 | // When a new line is received, check if it is a command, and if it is, act upon it |
| 28 | void Player::on_console_line_received( void* argument ){ |
| 29 | SerialMessage new_message = *static_cast<SerialMessage*>(argument); |
| 30 | string possible_command = new_message.message; |
| 31 | |
| 32 | //new_message.stream->printf("Received %s\r\n", possible_command.c_str()); |
| 33 | |
| 34 | // We don't compare to a string but to a checksum of that string, this saves some space in flash memory |
| 35 | unsigned short check_sum = get_checksum( possible_command.substr(0,possible_command.find_first_of(" \r\n")) ); // todo: put this method somewhere more convenient |
| 36 | |
| 37 | // Act depending on command |
| 38 | if (check_sum == play_command_checksum) |
| 39 | this->play_command( get_arguments(possible_command), new_message.stream ); |
| 40 | else if (check_sum == progress_command_checksum) |
| 41 | this->progress_command(get_arguments(possible_command),new_message.stream ); |
| 42 | else if (check_sum == abort_command_checksum) |
| 43 | this->abort_command(get_arguments(possible_command),new_message.stream ); |
| 44 | else if (check_sum == cd_command_checksum) |
| 45 | this->cd_command( get_arguments(possible_command), new_message.stream ); |
| 46 | } |
| 47 | |
| 48 | // Play a gcode file by considering each line as if it was received on the serial console |
| 49 | void Player::play_command( string parameters, StreamOutput* stream ){ |
| 50 | |
| 51 | // Get filename |
| 52 | string filename = this->absolute_from_relative(shift_parameter( parameters )); |
| 53 | stream->printf("Playing %s\r\n", filename.c_str()); |
| 54 | string options = shift_parameter( parameters ); |
| 55 | |
| 56 | this->current_file_handler = fopen( filename.c_str(), "r"); |
| 57 | if(this->current_file_handler == NULL){ |
| 58 | stream->printf("File not found: %s\r\n", filename.c_str()); |
| 59 | return; |
| 60 | } |
| 61 | |
| 62 | this->playing_file = true; |
| 63 | |
| 64 | // Do not output to any stream if we were passed the -q ( quiet ) option |
| 65 | if( options.find_first_of("Qq") == string::npos ){ |
| 66 | this->current_stream = stream; |
| 67 | }else{ |
| 68 | this->current_stream = &(StreamOutput::NullStream); |
| 69 | } |
| 70 | |
| 71 | // get size of file |
| 72 | int result = fseek(this->current_file_handler, 0, SEEK_END); |
| 73 | if (0 != result){ |
| 74 | stream->printf("WARNING - Could not get file size\r\n"); |
| 75 | file_size= -1; |
| 76 | }else{ |
| 77 | file_size= ftell(this->current_file_handler); |
| 78 | fseek(this->current_file_handler, 0, SEEK_SET); |
| 79 | stream->printf(" File size %ld\r\n", file_size); |
| 80 | } |
| 81 | played_cnt= 0; |
| 82 | |
| 83 | } |
| 84 | |
| 85 | void Player::progress_command( string parameters, StreamOutput* stream ){ |
| 86 | if(!playing_file) { |
| 87 | stream->printf("Not currently playing\r\n"); |
| 88 | return; |
| 89 | } |
| 90 | |
| 91 | if(file_size > 0) { |
| 92 | int pcnt= (file_size - (file_size - played_cnt)) * 100 / file_size; |
| 93 | stream->printf("%d %% complete\r\n", pcnt); |
| 94 | }else{ |
| 95 | stream->printf("File size is unknown\r\n"); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | void Player::abort_command( string parameters, StreamOutput* stream ){ |
| 100 | if(!playing_file) { |
| 101 | stream->printf("Not currently playing\r\n"); |
| 102 | return; |
| 103 | } |
| 104 | playing_file = false; |
| 105 | played_cnt= 0; |
| 106 | file_size= 0; |
| 107 | fclose(current_file_handler); |
| 108 | stream->printf("Aborted playing file\r\n"); |
| 109 | } |
| 110 | |
| 111 | // Convert a path indication ( absolute or relative ) into a path ( absolute ) |
| 112 | string Player::absolute_from_relative( string path ){ |
| 113 | if( path[0] == '/' ){ return path; } |
| 114 | if( path[0] == '.' ){ return this->current_path; } |
| 115 | return this->current_path + path; |
| 116 | } |
| 117 | |
| 118 | // Change current absolute path to provided path |
| 119 | void Player::cd_command( string parameters, StreamOutput* stream ){ |
| 120 | string folder = this->absolute_from_relative( parameters ); |
| 121 | if( folder[folder.length()-1] != '/' ){ folder += "/"; } |
| 122 | DIR *d; |
| 123 | d = opendir(folder.c_str()); |
| 124 | if(d == NULL) { |
| 125 | // stream->printf("Could not open directory %s \r\n", folder.c_str() ); |
| 126 | }else{ |
| 127 | this->current_path = folder; |
| 128 | closedir(d); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | void Player::on_main_loop(void* argument){ |
| 133 | if( !this->booted && this->on_boot_enable ){ |
| 134 | this->play_command(this->on_boot_file_name, this->kernel->serial); |
| 135 | this->booted = true; |
| 136 | } |
| 137 | |
| 138 | if( this->playing_file ){ |
| 139 | string buffer; |
| 140 | int c; |
| 141 | buffer.reserve(20); |
| 142 | // Print each line of the file |
| 143 | while ((c = fgetc(this->current_file_handler)) != EOF){ |
| 144 | if (c == '\n'){ |
| 145 | this->current_stream->printf("%s\n", buffer.c_str()); |
| 146 | struct SerialMessage message; |
| 147 | message.message = buffer; |
| 148 | message.stream = this->current_stream; |
| 149 | // wait for the queue to have enough room that a serial message could still be received before sending |
| 150 | this->kernel->conveyor->wait_for_queue(2); |
| 151 | this->kernel->call_event(ON_CONSOLE_LINE_RECEIVED, &message); |
| 152 | played_cnt += buffer.size(); |
| 153 | buffer.clear(); |
| 154 | return; |
| 155 | }else{ |
| 156 | buffer += c; |
| 157 | } |
| 158 | }; |
| 159 | this->playing_file = false; |
| 160 | played_cnt= 0; |
| 161 | file_size= 0; |
| 162 | fclose(this->current_file_handler); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | /* |
| 167 | void Player::on_main_loop(void* argument){ |
| 168 | if( !this->on_booted ){ |
| 169 | this->play_command(this->on_boot_file_name, new StreamOutput()); |
| 170 | this->on_booted = true; |
| 171 | } |
| 172 | if( this->playing_file ){ |
| 173 | string buffer; |
| 174 | int c; |
| 175 | // Print each line of the file |
| 176 | while ((c = fgetc(this->current_file_handler)) != EOF){ |
| 177 | if (c == '\n'){ |
| 178 | this->current_stream->printf("%s\n", buffer.c_str()); |
| 179 | struct SerialMessage message; |
| 180 | message.message = buffer; |
| 181 | message.stream = this->current_stream; |
| 182 | // wait for the queue to have enough room that a serial message could still be received before sending |
| 183 | this->kernel->conveyor->wait_for_queue(2); |
| 184 | this->kernel->call_event(ON_CONSOLE_LINE_RECEIVED, &message); |
| 185 | buffer.clear(); |
| 186 | return; |
| 187 | }else{ |
| 188 | buffer += c; |
| 189 | } |
| 190 | }; |
| 191 | |
| 192 | fclose(this->current_file_handler); |
| 193 | this->playing_file = false; |
| 194 | } |
| 195 | } |
| 196 | */ |
| 197 | |