EXPERIMENTAL_I2CBUS is just skeleton code

Author: thinkyhead

Marlin/Configuration_adv.h

@@ -3233,8 +3233,9 @@
 /**
  * TWI/I2C BUS
  *
- * Enabling this will allow you to send and receive I2C data from slave devices
- * on the bus.
+ * This feature is an EXPERIMENTAL feature so it shall not be used on production
+ * machines. Enabling this will allow you to send and receive I2C data from slave
+ * devices on the bus.
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
@@ -3257,8 +3258,8 @@
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
-//#define I2CBUS
-#if ENABLED(I2CBUS)
+//#define EXPERIMENTAL_I2CBUS
+#if ENABLED(EXPERIMENTAL_I2CBUS)
   #define I2C_SLAVE_ADDRESS  0  // Set a value from 8 to 127 to act as a slave
 #endif
 

Marlin/src/HAL/LPC1768/inc/SanityCheck.h

@@ -191,7 +191,7 @@ static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported o
 //
 // Flag any i2c pin conflicts
 //
-#if ANY(HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC, I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
+#if ANY(HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
   #define USEDI2CDEV_M 1  // <Arduino>/Wire.cpp
 
   #if USEDI2CDEV_M == 0         // P0_27 [D57] (AUX-1) .......... P0_28 [D58] (AUX-1)

Marlin/src/MarlinCore.cpp

@@ -137,7 +137,7 @@
   #include "feature/dac/stepper_dac.h"
 #endif
 
-#if ENABLED(I2CBUS)
+#if ENABLED(EXPERIMENTAL_I2CBUS)
   #include "feature/twibus.h"
 #endif
 
@@ -1532,7 +1532,7 @@ void setup() {
     SETUP_RUN(I2CPEM.init());
   #endif
 
-  #if ENABLED(I2CBUS) && I2C_SLAVE_ADDRESS > 0
+  #if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
     SETUP_LOG("i2c...");
     i2c.onReceive(i2c_on_receive);
     i2c.onRequest(i2c_on_request);

Marlin/src/feature/twibus.cpp

@@ -22,7 +22,7 @@
 
 #include "../inc/MarlinConfig.h"
 
-#if ENABLED(I2CBUS)
+#if ENABLED(EXPERIMENTAL_I2CBUS)
 
 #include "twibus.h"
 
@@ -234,4 +234,4 @@ void TWIBus::flush() {
 
 #endif
 
-#endif // I2CBUS
+#endif // EXPERIMENTAL_I2CBUS

Marlin/src/gcode/feature/i2c/M260_M261.cpp

@@ -22,7 +22,7 @@
 
 #include "../../../inc/MarlinConfig.h"
 
-#if ENABLED(I2CBUS)
+#if ENABLED(EXPERIMENTAL_I2CBUS)
 
 #include "../../gcode.h"
 

Marlin/src/gcode/gcode.cpp

@@ -803,7 +803,7 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
         case 256: M256(); break;                                  // M256: Set LCD brightness
       #endif
 
-      #if ENABLED(I2CBUS)
+      #if ENABLED(EXPERIMENTAL_I2CBUS)
         case 260: M260(); break;                                  // M260: Send data to an i2c slave
         case 261: M261(); break;                                  // M261: Request data from an i2c slave
       #endif

Marlin/src/gcode/gcode.h

@@ -206,8 +206,8 @@
  * M250 - Set LCD contrast: "M250 C<contrast>" (0-63). (Requires LCD support)
  * M255 - Set LCD sleep time: "M255 S<minutes>" (0-99). (Requires an LCD with brightness or sleep/wake)
  * M256 - Set LCD brightness: "M256 B<brightness>" (0-255). (Requires an LCD with brightness control)
- * M260 - i2c Send Data (Requires I2CBUS)
- * M261 - i2c Request Data (Requires I2CBUS)
+ * M260 - i2c Send Data (Requires EXPERIMENTAL_I2CBUS)
+ * M261 - i2c Request Data (Requires EXPERIMENTAL_I2CBUS)
  * M280 - Set servo position absolute: "M280 P<index> S<angle|µs>". (Requires servos)
  * M281 - Set servo min|max position: "M281 P<index> L<min> U<max>". (Requires EDITABLE_SERVO_ANGLES)
  * M282 - Detach servo: "M282 P<index>". (Requires SERVO_DETACH_GCODE)
@@ -902,7 +902,7 @@ class GcodeSuite {
     static void M256_report(const bool forReplay=true);
   #endif
 
-  #if ENABLED(I2CBUS)
+  #if ENABLED(EXPERIMENTAL_I2CBUS)
     static void M260();
     static void M261();
   #endif

Marlin/src/inc/SanityCheck.h

@@ -668,8 +668,6 @@
   #error "MILLISECONDS_PREHEAT_TIME is now PREHEAT_TIME_HOTEND_MS."
 #elif defined(EXPERIMENTAL_SCURVE)
   #error "EXPERIMENTAL_SCURVE is no longer needed and should be removed."
-#elif defined(EXPERIMENTAL_I2CBUS)
-  #error "EXPERIMENTAL_I2CBUS is now I2CBUS."
 #endif
 
 // L64xx stepper drivers have been removed
@@ -2888,7 +2886,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 /**
  * I2C bus
  */
-#if ENABLED(I2CBUS) && I2C_SLAVE_ADDRESS > 0
+#if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
   #if I2C_SLAVE_ADDRESS < 8
     #error "I2C_SLAVE_ADDRESS can't be less than 8. (Addresses 0 - 7 are reserved.)"
   #elif I2C_SLAVE_ADDRESS > 127

buildroot/tests/LPC1769

@@ -47,7 +47,7 @@ opt_set MOTHERBOARD BOARD_COHESION3D_REMIX \
 opt_enable AUTO_BED_LEVELING_BILINEAR EEPROM_SETTINGS EEPROM_CHITCHAT MECHANICAL_GANTRY_CALIBRATION \
            TMC_USE_SW_SPI MONITOR_DRIVER_STATUS STEALTHCHOP_XY STEALTHCHOP_Z HYBRID_THRESHOLD \
            SENSORLESS_PROBING Z_SAFE_HOMING X_STALL_SENSITIVITY Y_STALL_SENSITIVITY Z_STALL_SENSITIVITY TMC_DEBUG \
-           I2CBUS
+           EXPERIMENTAL_I2CBUS
 opt_disable PSU_CONTROL Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
 exec_test $1 $2 "Cohesion3D Remix DELTA + ABL Bilinear + EEPROM + SENSORLESS_PROBING" "$3"
 

buildroot/tests/rambo

@@ -94,7 +94,7 @@ opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CO
           SDSUPPORT PCA9632 SOUND_MENU_ITEM GCODE_REPEAT_MARKERS \
           AUTO_BED_LEVELING_LINEAR PROBE_MANUALLY LCD_BED_LEVELING \
           LIN_ADVANCE ADVANCE_K_EXTRA \
-          INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT I2CBUS M100_FREE_MEMORY_WATCHER \
+          INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT EXPERIMENTAL_I2CBUS M100_FREE_MEMORY_WATCHER \
           NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE \
           ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE ADVANCED_PAUSE_CONTINUOUS_PURGE FILAMENT_LOAD_UNLOAD_GCODES \
           PRINTCOUNTER SERVICE_NAME_1 SERVICE_INTERVAL_1 M114_DETAIL

buildroot/tests/teensy31

@@ -31,7 +31,7 @@ opt_enable EEPROM_SETTINGS FILAMENT_WIDTH_SENSOR CALIBRATION_GCODE BAUD_RATE_GCO
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET PRINTCOUNTER SLOW_PWM_HEATERS PIDTEMPBED \
            INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT M100_FREE_MEMORY_WATCHER \
            NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE PARK_HEAD_ON_PAUSE \
-           ARC_SUPPORT BEZIER_CURVE_SUPPORT I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES \
+           ARC_SUPPORT BEZIER_CURVE_SUPPORT EXPERIMENTAL_I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES \
            PHOTO_GCODE PHOTO_POSITION PHOTO_SWITCH_POSITION PHOTO_SWITCH_MS PHOTO_DELAY_MS PHOTO_RETRACT_MM \
            HOST_ACTION_COMMANDS HOST_PROMPT_SUPPORT
 exec_test $1 $2 "Teensy3.1 with many features" "$3"

buildroot/tests/teensy35

@@ -26,7 +26,7 @@ opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT SDCARD_SORT_A
            FIX_MOUNTED_PROBE Z_SAFE_HOMING AUTO_BED_LEVELING_BILINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT M100_FREE_MEMORY_WATCHER \
-           ADVANCED_PAUSE_FEATURE ARC_SUPPORT BEZIER_CURVE_SUPPORT I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES PARK_HEAD_ON_PAUSE \
+           ADVANCED_PAUSE_FEATURE ARC_SUPPORT BEZIER_CURVE_SUPPORT EXPERIMENTAL_I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES PARK_HEAD_ON_PAUSE \
            PHOTO_GCODE PHOTO_POSITION PHOTO_SWITCH_POSITION PHOTO_SWITCH_MS PHOTO_DELAY_MS PHOTO_RETRACT_MM \
            HOST_ACTION_COMMANDS HOST_PROMPT_SUPPORT
 exec_test $1 $2 "Teensy3.5 with many features" "$3"

buildroot/tests/teensy41

@@ -26,7 +26,7 @@ opt_enable MAX31865_SENSOR_OHMS_0 MAX31865_CALIBRATION_OHMS_0 \
            FIX_MOUNTED_PROBE Z_SAFE_HOMING AUTO_BED_LEVELING_BILINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT \
-           ADVANCED_PAUSE_FEATURE ARC_SUPPORT BEZIER_CURVE_SUPPORT I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES PARK_HEAD_ON_PAUSE \
+           ADVANCED_PAUSE_FEATURE ARC_SUPPORT BEZIER_CURVE_SUPPORT EXPERIMENTAL_I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES PARK_HEAD_ON_PAUSE \
            PHOTO_GCODE PHOTO_POSITION PHOTO_SWITCH_POSITION PHOTO_SWITCH_MS PHOTO_DELAY_MS PHOTO_RETRACT_MM \
            HOST_ACTION_COMMANDS HOST_PROMPT_SUPPORT
 opt_add EXTUI_EXAMPLE

ini/features.ini

@@ -151,7 +151,7 @@ HAS_FILAMENT_SENSOR                    = src_filter=+<src/feature/runout.cpp> +<
 MK2_MULTIPLEXER                        = src_filter=+<src/feature/snmm.cpp>
 HAS_CUTTER                             = src_filter=+<src/feature/spindle_laser.cpp> +<src/gcode/control/M3-M5.cpp>
 HAS_DRIVER_SAFE_POWER_PROTECT          = src_filter=+<src/feature/stepper_driver_safety.cpp>
-I2CBUS                                 = src_filter=+<src/feature/twibus.cpp> +<src/gcode/feature/i2c>
+EXPERIMENTAL_I2CBUS                    = src_filter=+<src/feature/twibus.cpp> +<src/gcode/feature/i2c>
 G26_MESH_VALIDATION                    = src_filter=+<src/gcode/bedlevel/G26.cpp>
 ASSISTED_TRAMMING                      = src_filter=+<src/feature/tramming.cpp> +<src/gcode/bedlevel/G35.cpp>
 HAS_MESH                               = src_filter=+<src/gcode/bedlevel/G42.cpp>