2018-02-04 06:39:01 +00:00
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* malyanlcd.cpp
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*
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* LCD implementation for Malyan's LCD, a separate ESP8266 MCU running
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* on Serial1 for the M200 board. This module outputs a pseudo-gcode
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* wrapped in curly braces which the LCD implementation translates into
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* actual G-code commands.
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*
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* Added to Marlin for Mini/Malyan M200
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* Unknown commands as of Jan 2018: {H:}
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* Not currently implemented:
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* {E:} when sent by LCD. Meaning unknown.
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*
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* Notes for connecting to boards that are not Malyan:
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* The LCD is 3.3v, so if powering from a RAMPS 1.4 board or
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* other 5v/12v board, use a buck converter to power the LCD and
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* the 3.3v side of a logic level shifter. Aux1 on the RAMPS board
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* has Serial1 and 12v, making it perfect for this.
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* Copyright (c) 2017 Jason Nelson (xC0000005)
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*/
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#include "../inc/MarlinConfig.h"
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2018-02-09 03:59:53 +00:00
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#if ENABLED(MALYAN_LCD)
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2018-02-04 06:39:01 +00:00
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#include "../sd/cardreader.h"
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#include "../sd/SdFatConfig.h"
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#include "../module/temperature.h"
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#include "../module/planner.h"
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#include "../module/stepper.h"
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#include "../module/motion.h"
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#include "../module/probe.h"
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#include "../libs/duration_t.h"
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#include "../module/printcounter.h"
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#include "../gcode/gcode.h"
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#include "../gcode/queue.h"
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#include "../module/configuration_store.h"
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#include "../Marlin.h"
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// On the Malyan M200, this will be Serial1. On a RAMPS board,
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// it might not be.
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#define LCD_SERIAL Serial1
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// This is based on longest sys command + a filename, plus some buffer
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// in case we encounter some data we don't recognize
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2018-02-20 11:37:38 +00:00
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// There is no evidence a line will ever be this long, but better safe than sorry
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2018-02-04 06:39:01 +00:00
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#define MAX_CURLY_COMMAND (32 + LONG_FILENAME_LENGTH) * 2
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// Track incoming command bytes from the LCD
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int inbound_count;
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// Everything written needs the high bit set.
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void write_to_lcd_P(const char * const message) {
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char encoded_message[MAX_CURLY_COMMAND];
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uint8_t message_length = min(strlen_P(message), sizeof(encoded_message));
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for (uint8_t i = 0; i < message_length; i++)
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2018-02-20 11:37:38 +00:00
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encoded_message[i] = pgm_read_byte(&message[i]) | 0x80;
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2018-02-04 06:39:01 +00:00
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LCD_SERIAL.Print::write(encoded_message, message_length);
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}
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void write_to_lcd(const char * const message) {
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char encoded_message[MAX_CURLY_COMMAND];
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const uint8_t message_length = min(strlen(message), sizeof(encoded_message));
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for (uint8_t i = 0; i < message_length; i++)
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encoded_message[i] = message[i] | 0x80;
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LCD_SERIAL.Print::write(encoded_message, message_length);
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}
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/**
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* Process an LCD 'C' command.
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* These are currently all temperature commands
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* {C:T0190}
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* Set temp for hotend to 190
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* {C:P050}
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* Set temp for bed to 50
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2018-02-11 01:25:34 +00:00
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*
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2018-02-04 06:39:01 +00:00
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* the command portion begins after the :
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*/
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void process_lcd_c_command(const char* command) {
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switch (command[0]) {
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case 'T': {
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// M104 S<temperature>
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char cmd[20];
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sprintf_P(cmd, PSTR("M104 S%s"), command + 1);
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enqueue_and_echo_command_now(cmd, false);
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} break;
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case 'P': {
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// M140 S<temperature>
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char cmd[20];
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sprintf_P(cmd, PSTR("M140 S%s"), command + 1);
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enqueue_and_echo_command_now(cmd, false);
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} break;
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default:
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SERIAL_ECHOLNPAIR("UNKNOWN C COMMAND", command);
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return;
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}
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}
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/**
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* Process an LCD 'B' command.
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* {B:0} results in: {T0:008/195}{T1:000/000}{TP:000/000}{TQ:000C}{TT:000000}
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* T0/T1 are hot end temperatures, TP is bed, TQ is percent, and TT is probably
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* time remaining (HH:MM:SS). The UI can't handle displaying a second hotend,
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* but the stock firmware always sends it, and it's always zero.
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*/
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void process_lcd_eb_command(const char* command) {
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char elapsed_buffer[10];
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duration_t elapsed;
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bool has_days;
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uint8_t len;
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switch (command[0]) {
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case '0': {
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elapsed = print_job_timer.duration();
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sprintf_P(elapsed_buffer, PSTR("%02u%02u%02u"), uint16_t(elapsed.hour()), uint16_t(elapsed.minute()) % 60UL, elapsed.second());
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char message_buffer[MAX_CURLY_COMMAND];
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sprintf_P(message_buffer,
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PSTR("{T0:%03.0f/%03i}{T1:000/000}{TP:%03.0f/%03i}{TQ:%03i}{TT:%s}"),
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thermalManager.degHotend(0),
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thermalManager.degTargetHotend(0),
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thermalManager.degBed(),
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thermalManager.degTargetBed(),
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card.percentDone(),
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elapsed_buffer);
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write_to_lcd(message_buffer);
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} break;
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default:
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SERIAL_ECHOLNPAIR("UNKNOWN E/B COMMAND", command);
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return;
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}
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}
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/**
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* Process an LCD 'J' command.
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* These are currently all movement commands.
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* The command portion begins after the :
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* Move X Axis
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2018-02-11 01:25:34 +00:00
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*
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2018-02-04 06:39:01 +00:00
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* {J:E}{J:X-200}{J:E}
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* {J:E}{J:X+200}{J:E}
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* X, Y, Z, A (extruder)
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*/
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void process_lcd_j_command(const char* command) {
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static bool steppers_enabled = false;
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char axis = command[0];
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switch (axis) {
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case 'E':
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// enable or disable steppers
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// switch to relative
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enqueue_and_echo_command_now("G91");
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enqueue_and_echo_command_now(steppers_enabled ? "M18" : "M17");
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steppers_enabled = !steppers_enabled;
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break;
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case 'A':
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axis = 'E';
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// fallthru
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case 'Y':
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case 'Z':
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case 'X': {
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// G0 <AXIS><distance>
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// The M200 class UI seems to send movement in .1mm values.
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char cmd[20];
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sprintf_P(cmd, PSTR("G1 %c%03.1f"), axis, atof(command + 1) / 10.0);
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enqueue_and_echo_command_now(cmd);
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} break;
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default:
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SERIAL_ECHOLNPAIR("UNKNOWN J COMMAND", command);
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return;
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}
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}
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/**
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* Process an LCD 'P' command, related to homing and printing.
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* Cancel:
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* {P:X}
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2018-02-11 01:25:34 +00:00
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*
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2018-02-04 06:39:01 +00:00
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* Home all axes:
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* {P:H}
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2018-02-11 01:25:34 +00:00
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*
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2018-02-04 06:39:01 +00:00
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* Print a file:
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* {P:000}
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* The File number is specified as a three digit value.
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* Printer responds with:
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* {PRINTFILE:Mini_SNES_Bottom.gcode}
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* {SYS:BUILD}echo:Now fresh file: Mini_SNES_Bottom.gcode
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* File opened: Mini_SNES_Bottom.gcode Size: 5805813
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* File selected
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* {SYS:BUILD}
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* T:-2526.8 E:0
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* T:-2533.0 E:0
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* T:-2537.4 E:0
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* Note only the curly brace stuff matters.
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*/
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void process_lcd_p_command(const char* command) {
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switch (command[0]) {
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case 'X':
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// cancel print
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write_to_lcd_P(PSTR("{SYS:CANCELING}"));
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2018-02-23 19:42:15 +00:00
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card.stopSDPrint();
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2018-02-04 06:39:01 +00:00
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clear_command_queue();
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quickstop_stepper();
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print_job_timer.stop();
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thermalManager.disable_all_heaters();
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#if FAN_COUNT > 0
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for (uint8_t i = 0; i < FAN_COUNT; i++) fanSpeeds[i] = 0;
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#endif
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wait_for_heatup = false;
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write_to_lcd_P(PSTR("{SYS:STARTED}"));
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break;
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case 'H':
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// Home all axis
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enqueue_and_echo_command_now("G28");
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break;
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default: {
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// Print file 000 - a three digit number indicating which
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// file to print in the SD card. If it's a directory,
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// then switch to the directory.
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// Find the name of the file to print.
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// It's needed to echo the PRINTFILE option.
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// The {S:L} command should've ensured the SD card was mounted.
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card.getfilename(atoi(command));
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// There may be a difference in how V1 and V2 LCDs handle subdirectory
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// prints. Investigate more. This matches the V1 motion controller actions
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// but the V2 LCD switches to "print" mode on {SYS:DIR} response.
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if (card.filenameIsDir) {
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card.chdir(card.filename);
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write_to_lcd_P(PSTR("{SYS:DIR}"));
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}
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else {
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char message_buffer[MAX_CURLY_COMMAND];
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sprintf_P(message_buffer, PSTR("{PRINTFILE:%s}"), card.filename);
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write_to_lcd(message_buffer);
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write_to_lcd_P(PSTR("{SYS:BUILD}"));
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card.openAndPrintFile(card.filename);
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}
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} break; // default
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} // switch
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}
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/**
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* Handle an lcd 'S' command
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* {S:I} - Temperature request
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* {T0:999/000}{T1:000/000}{TP:004/000}
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2018-02-11 01:25:34 +00:00
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*
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2018-02-04 06:39:01 +00:00
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* {S:L} - File Listing request
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* Printer Response:
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* {FILE:buttons.gcode}
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* {FILE:update.bin}
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* {FILE:nupdate.bin}
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* {FILE:fcupdate.flg}
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* {SYS:OK}
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*/
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void process_lcd_s_command(const char* command) {
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switch (command[0]) {
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case 'I': {
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// temperature information
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char message_buffer[MAX_CURLY_COMMAND];
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sprintf_P(message_buffer, PSTR("{T0:%03.0f/%03i}{T1:000/000}{TP:%03.0f/%03i}"),
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thermalManager.degHotend(0), thermalManager.degTargetHotend(0),
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thermalManager.degBed(), thermalManager.degTargetBed()
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);
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write_to_lcd(message_buffer);
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} break;
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case 'H':
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// Home all axis
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enqueue_and_echo_command("G28", false);
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break;
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case 'L': {
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if (!card.cardOK) card.initsd();
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// A more efficient way to do this would be to
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// implement a callback in the ls_SerialPrint code, but
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// that requires changes to the core cardreader class that
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// would not benefit the majority of users. Since one can't
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// select a file for printing during a print, there's
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// little reason not to do it this way.
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char message_buffer[MAX_CURLY_COMMAND];
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uint16_t file_count = card.get_num_Files();
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for (uint16_t i = 0; i < file_count; i++) {
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card.getfilename(i);
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sprintf_P(message_buffer, card.filenameIsDir ? PSTR("{DIR:%s}") : PSTR("{FILE:%s}"), card.filename);
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write_to_lcd(message_buffer);
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}
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write_to_lcd_P(PSTR("{SYS:OK}"));
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} break;
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default:
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SERIAL_ECHOLNPAIR("UNKNOWN S COMMAND", command);
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return;
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}
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}
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/**
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* Receive a curly brace command and translate to G-code.
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* Currently {E:0} is not handled. Its function is unknown,
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* but it occurs during the temp window after a sys build.
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*/
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void process_lcd_command(const char* command) {
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const char *current = command;
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current++; // skip the leading {. The trailing one is already gone.
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byte command_code = *current++;
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if (*current != ':') {
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SERIAL_ECHOLNPAIR("UNKNOWN COMMAND FORMAT", command);
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return;
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}
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current++; // skip the :
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switch (command_code) {
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case 'S':
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process_lcd_s_command(current);
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|
break;
|
|
|
|
case 'J':
|
|
|
|
process_lcd_j_command(current);
|
|
|
|
break;
|
|
|
|
case 'P':
|
|
|
|
process_lcd_p_command(current);
|
|
|
|
break;
|
|
|
|
case 'C':
|
|
|
|
process_lcd_c_command(current);
|
|
|
|
break;
|
|
|
|
case 'B':
|
|
|
|
case 'E':
|
|
|
|
process_lcd_eb_command(current);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
SERIAL_ECHOLNPAIR("UNKNOWN COMMAND", command);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* UC means connected.
|
|
|
|
* UD means disconnected
|
|
|
|
* The stock firmware considers USB initialied as "connected."
|
|
|
|
*/
|
|
|
|
void update_usb_status(const bool forceUpdate) {
|
|
|
|
static bool last_usb_connected_status = false;
|
|
|
|
// This is mildly different than stock, which
|
|
|
|
// appears to use the usb discovery status.
|
|
|
|
// This is more logical.
|
|
|
|
if (last_usb_connected_status != Serial || forceUpdate) {
|
|
|
|
last_usb_connected_status = Serial;
|
|
|
|
write_to_lcd_P(last_usb_connected_status ? PSTR("{R:UC}\r\n") : PSTR("{R:UD}\r\n"));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* - from printer on startup:
|
|
|
|
* {SYS:STARTED}{VER:29}{SYS:STARTED}{R:UD}
|
|
|
|
* The optimize attribute fixes a register Compile
|
|
|
|
* error for amtel.
|
|
|
|
*/
|
|
|
|
void lcd_update() _O2 {
|
|
|
|
static char inbound_buffer[MAX_CURLY_COMMAND];
|
|
|
|
|
|
|
|
// First report USB status.
|
|
|
|
update_usb_status(false);
|
|
|
|
|
|
|
|
// now drain commands...
|
|
|
|
while (LCD_SERIAL.available()) {
|
|
|
|
const byte b = (byte)LCD_SERIAL.read() & 0x7F;
|
|
|
|
inbound_buffer[inbound_count++] = b;
|
|
|
|
if (b == '}' || inbound_count == sizeof(inbound_buffer) - 1) {
|
|
|
|
inbound_buffer[inbound_count - 1] = '\0';
|
|
|
|
process_lcd_command(inbound_buffer);
|
|
|
|
inbound_count = 0;
|
|
|
|
inbound_buffer[0] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// If there's a print in progress, we need to emit the status as
|
|
|
|
// {TQ:<PERCENT>}
|
|
|
|
if (card.sdprinting) {
|
|
|
|
// We also need to send: T:-2538.0 E:0
|
|
|
|
// I have no idea what this means.
|
|
|
|
char message_buffer[10];
|
|
|
|
sprintf_P(message_buffer, PSTR("{TQ:%03i}"), card.percentDone());
|
|
|
|
write_to_lcd(message_buffer);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* The Malyan LCD actually runs as a separate MCU on Serial 1.
|
|
|
|
* This code's job is to siphon the weird curly-brace commands from
|
|
|
|
* it and translate into gcode, which then gets injected into
|
|
|
|
* the command queue where possible.
|
|
|
|
*/
|
|
|
|
void lcd_init() {
|
|
|
|
inbound_count = 0;
|
|
|
|
LCD_SERIAL.begin(500000);
|
|
|
|
|
|
|
|
// Signal init
|
|
|
|
write_to_lcd_P(PSTR("{SYS:STARTED}\r\n"));
|
|
|
|
|
2018-02-05 21:57:29 +00:00
|
|
|
// send a version that says "unsupported"
|
2018-02-20 11:37:38 +00:00
|
|
|
write_to_lcd_P(PSTR("{VER:99}\r\n"));
|
2018-02-04 06:39:01 +00:00
|
|
|
|
|
|
|
// No idea why it does this twice.
|
|
|
|
write_to_lcd_P(PSTR("{SYS:STARTED}\r\n"));
|
|
|
|
update_usb_status(true);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set an alert.
|
|
|
|
*/
|
|
|
|
void lcd_setalertstatusPGM(const char* message) {
|
|
|
|
char message_buffer[MAX_CURLY_COMMAND];
|
|
|
|
sprintf_P(message_buffer, PSTR("{E:%s}"), message);
|
|
|
|
write_to_lcd(message_buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif // Malyan LCD
|