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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 <http://www.gnu.org/licenses/>.
- *
- */
-
- #include "../../../inc/MarlinConfig.h"
-
- #if ENABLED(EXPERIMENTAL_I2CBUS)
-
- #include "../../gcode.h"
-
- #include "../../../MarlinCore.h" // for i2c
-
- /**
- * M260: Send data to a I2C slave device
- *
- * This is a PoC, the formatting and arguments for the GCODE will
- * change to be more compatible, the current proposal is:
- *
- * M260 A<slave device address base 10> ; Sets the I2C slave address the data will be sent to
- *
- * M260 B<byte-1 value in base 10>
- * M260 B<byte-2 value in base 10>
- * M260 B<byte-3 value in base 10>
- *
- * M260 S1 ; Send the buffered data and reset the buffer
- * M260 R1 ; Reset the buffer without sending data
- *
- */
- void GcodeSuite::M260() {
- // Set the target address
- if (parser.seen('A')) i2c.address(parser.value_byte());
-
- // Add a new byte to the buffer
- if (parser.seen('B')) i2c.addbyte(parser.value_byte());
-
- // Flush the buffer to the bus
- if (parser.seen('S')) i2c.send();
-
- // Reset and rewind the buffer
- else if (parser.seen('R')) i2c.reset();
- }
-
- /**
- * M261: Request X bytes from I2C slave device
- *
- * Usage: M261 A<slave device address base 10> B<number of bytes>
- */
- void GcodeSuite::M261() {
- if (parser.seen('A')) i2c.address(parser.value_byte());
-
- uint8_t bytes = parser.byteval('B', 1);
-
- if (i2c.addr && bytes && bytes <= TWIBUS_BUFFER_SIZE)
- i2c.relay(bytes);
- else
- SERIAL_ERROR_MSG("Bad i2c request");
- }
-
- #endif
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