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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
*
*/
#include "../../../inc/MarlinConfigPre.h"
#if ENABLED(MAX7219_GCODE)
#include "../../gcode.h"
#include "../../../feature/max7219.h"
/**
* M7219: Control the Max7219 LED matrix
*
* I - Initialize (clear) the matrix
* F - Fill the matrix (set all bits)
* P - Dump the led_line[] array values
* C<column> - Set a column to the bitmask given by 'V' (Units 0-3 in portrait layout)
* R<row> - Set a row to the bitmask given by 'V' (Units 0-3 in landscape layout)
* X<pos> - X index of an LED to set or toggle
* Y<pos> - Y index of an LED to set or toggle
* V<value> - LED on/off state or row/column bitmask (8, 16, 24, or 32-bits)
* ('C' / 'R' can be used to update up to 4 units at once)
*
* Directly set a native matrix row to the 8-bit value 'V':
* D<line> - Display line (0..7)
* U<unit> - Unit index (0..MAX7219_NUMBER_UNITS-1)
*/
void GcodeSuite::M7219() {
if (parser.seen('I')) {
max7219.register_setup();
max7219.clear();
}
if (parser.seen('F')) max7219.fill();
const uint32_t v = parser.ulongval('V');
if (parser.seenval('R')) {
const uint8_t r = parser.value_byte();
max7219.set_row(r, v);
}
else if (parser.seenval('C')) {
const uint8_t c = parser.value_byte();
max7219.set_column(c, v);
}
else if (parser.seenval('X') || parser.seenval('Y')) {
const uint8_t x = parser.byteval('X'), y = parser.byteval('Y');
if (parser.seenval('V'))
max7219.led_set(x, y, v > 0);
else
max7219.led_toggle(x, y);
}
else if (parser.seen('D')) {
const uint8_t uline = parser.value_byte() & 0x7,
line = uline + (parser.byteval('U') << 3);
if (line < MAX7219_LINES) {
max7219.led_line[line] = v;
return max7219.refresh_line(line);
}
}
if (parser.seen('P')) {
LOOP_L_N(r, MAX7219_LINES) {
SERIAL_ECHOPGM("led_line[");
if (r < 10) SERIAL_CHAR(' ');
SERIAL_ECHO(int(r));
SERIAL_ECHOPGM("]=");
for (uint8_t b = 8; b--;) SERIAL_CHAR('0' + TEST(max7219.led_line[r], b));
SERIAL_EOL();
}
}
}
#endif // MAX7219_GCODE
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