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@ -214,6 +214,8 @@
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* M226 - Wait until a pin is in a given state: "M226 P<pin> S<state>"
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* M240 - Trigger a camera to take a photograph. (Requires CHDK or PHOTOGRAPH_PIN)
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* M250 - Set LCD contrast: "M250 C<contrast>" (0-63). (Requires LCD support)
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* M260 - i2c Send Data (Requires EXPERIMENTAL_I2CBUS)
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* M261 - i2c Request Data (Requires EXPERIMENTAL_I2CBUS)
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* M280 - Set servo position absolute: "M280 P<index> S<angle|µs>". (Requires servos)
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* M300 - Play beep sound S<frequency Hz> P<duration ms>
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* M301 - Set PID parameters P I and D. (Requires PIDTEMP)
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@ -5783,59 +5785,6 @@ inline void gcode_M121() { endstops.enable_globally(false); }
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#endif // BLINKM
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#if ENABLED(EXPERIMENTAL_I2CBUS)
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/**
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* M155: Send data to a I2C slave device
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*
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* This is a PoC, the formating and arguments for the GCODE will
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* change to be more compatible, the current proposal is:
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*
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* M155 A<slave device address base 10> ; Sets the I2C slave address the data will be sent to
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*
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* M155 B<byte-1 value in base 10>
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* M155 B<byte-2 value in base 10>
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* M155 B<byte-3 value in base 10>
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*
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* M155 S1 ; Send the buffered data and reset the buffer
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* M155 R1 ; Reset the buffer without sending data
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*
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*/
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inline void gcode_M155() {
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// Set the target address
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if (code_seen('A')) i2c.address(code_value_byte());
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// Add a new byte to the buffer
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if (code_seen('B')) i2c.addbyte(code_value_byte());
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// Flush the buffer to the bus
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if (code_seen('S')) i2c.send();
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// Reset and rewind the buffer
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else if (code_seen('R')) i2c.reset();
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}
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/**
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* M156: Request X bytes from I2C slave device
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*
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* Usage: M156 A<slave device address base 10> B<number of bytes>
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*/
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inline void gcode_M156() {
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if (code_seen('A')) i2c.address(code_value_byte());
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uint8_t bytes = code_seen('B') ? code_value_byte() : 1;
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if (i2c.addr && bytes && bytes <= TWIBUS_BUFFER_SIZE) {
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i2c.relay(bytes);
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}
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else {
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SERIAL_ERROR_START;
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SERIAL_ERRORLN("Bad i2c request");
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}
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}
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#endif // EXPERIMENTAL_I2CBUS
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/**
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* M200: Set filament diameter and set E axis units to cubic units
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*
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@ -6182,6 +6131,59 @@ inline void gcode_M226() {
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} // code_seen('P')
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}
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#if ENABLED(EXPERIMENTAL_I2CBUS)
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/**
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* M260: Send data to a I2C slave device
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*
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* This is a PoC, the formating and arguments for the GCODE will
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* change to be more compatible, the current proposal is:
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*
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* M260 A<slave device address base 10> ; Sets the I2C slave address the data will be sent to
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*
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* M260 B<byte-1 value in base 10>
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* M260 B<byte-2 value in base 10>
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* M260 B<byte-3 value in base 10>
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*
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* M260 S1 ; Send the buffered data and reset the buffer
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* M260 R1 ; Reset the buffer without sending data
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*
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*/
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inline void gcode_M260() {
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// Set the target address
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if (code_seen('A')) i2c.address(code_value_byte());
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// Add a new byte to the buffer
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if (code_seen('B')) i2c.addbyte(code_value_byte());
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// Flush the buffer to the bus
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if (code_seen('S')) i2c.send();
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// Reset and rewind the buffer
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else if (code_seen('R')) i2c.reset();
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}
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/**
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* M261: Request X bytes from I2C slave device
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*
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* Usage: M261 A<slave device address base 10> B<number of bytes>
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*/
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inline void gcode_M261() {
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if (code_seen('A')) i2c.address(code_value_byte());
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uint8_t bytes = code_seen('B') ? code_value_byte() : 1;
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if (i2c.addr && bytes && bytes <= TWIBUS_BUFFER_SIZE) {
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i2c.relay(bytes);
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}
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else {
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SERIAL_ERROR_START;
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SERIAL_ERRORLN("Bad i2c request");
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}
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}
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#endif // EXPERIMENTAL_I2CBUS
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#if HAS_SERVOS
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/**
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@ -7948,18 +7950,6 @@ void process_next_command() {
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#endif // BLINKM
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#if ENABLED(EXPERIMENTAL_I2CBUS)
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case 155: // M155: Send data to an i2c slave
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gcode_M155();
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break;
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case 156: // M156: Request data from an i2c slave
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gcode_M156();
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break;
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#endif //EXPERIMENTAL_I2CBUS
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#if ENABLED(MIXING_EXTRUDER)
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case 163: // M163: Set a component weight for mixing extruder
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gcode_M163();
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@ -8082,6 +8072,18 @@ void process_next_command() {
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break;
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#endif // HAS_LCD_CONTRAST
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#if ENABLED(EXPERIMENTAL_I2CBUS)
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case 260: // M260: Send data to an i2c slave
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gcode_M260();
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break;
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case 261: // M261: Request data from an i2c slave
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gcode_M261();
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break;
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#endif // EXPERIMENTAL_I2CBUS
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#if ENABLED(PREVENT_COLD_EXTRUSION)
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case 302: // M302: Allow cold extrudes (set the minimum extrude temperature)
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gcode_M302();
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Scott Lahteine
8 years ago