81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2016 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 "../../../Marlin.h" // for i2c
|
|
|
|
/**
|
|
* M260: Send data to a I2C slave device
|
|
*
|
|
* This is a PoC, the formating 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_START();
|
|
SERIAL_ERRORLNPGM("Bad i2c request");
|
|
}
|
|
}
|
|
|
|
#endif
|