Merge pull request MarlinFirmware#3 from MarlinFirmware/bugfix-2.0.x

Bugfix 2.0.x

Marlin/Configuration.h

@@ -447,6 +447,10 @@
 #define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
 #define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
+#define TEMP_CHAMBER_RESIDENCY_TIME 10  // (seconds) Time to wait for chamber to "settle" in M191
+#define TEMP_CHAMBER_WINDOW      1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_CHAMBER_HYSTERESIS  3  // (°C) Temperature proximity considered "close enough" to the target
+
 // Below this temperature the heater will be switched off
 // because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
@@ -458,6 +462,7 @@
 #define HEATER_6_MINTEMP   5
 #define HEATER_7_MINTEMP   5
 #define BED_MINTEMP        5
+#define CHAMBER_MINTEMP    5
 
 // Above this temperature the heater will be switched off.
 // This can protect components from overheating, but NOT from shorts and failures.
@@ -471,6 +476,7 @@
 #define HEATER_6_MAXTEMP 275
 #define HEATER_7_MAXTEMP 275
 #define BED_MAXTEMP      150
+#define CHAMBER_MAXTEMP  60
 
 //===========================================================================
 //============================= PID Settings ================================
@@ -544,7 +550,51 @@
   // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
-#if EITHER(PIDTEMP, PIDTEMPBED)
+//===========================================================================
+//==================== PID > Chamber Temperature Control ====================
+//===========================================================================
+
+/**
+ * PID Chamber Heating
+ *
+ * If this option is enabled set PID constants below.
+ * If this option is disabled, bang-bang will be used and CHAMBER_LIMIT_SWITCHING will enable
+ * hysteresis.
+ *
+ * The PID frequency will be the same as the extruder PWM.
+ * If PID_dT is the default, and correct for the hardware/configuration, that means 7.689Hz,
+ * which is fine for driving a square wave into a resistive load and does not significantly
+ * impact FET heating. This also works fine on a Fotek SSR-10DA Solid State Relay into a 200W
+ * heater. If your configuration is significantly different than this and you don't understand
+ * the issues involved, don't use chamber PID until someone else verifies that your hardware works.
+ */
+//#define PIDTEMPCHAMBER
+//#define CHAMBER_LIMIT_SWITCHING
+
+/**
+ * Max Chamber Power
+ * Applies to all forms of chamber control (PID, bang-bang, and bang-bang with hysteresis).
+ * When set to any value below 255, enables a form of PWM to the chamber heater that acts like a divider
+ * so don't use it unless you are OK with PWM on your heater. (See the comment on enabling PIDTEMPCHAMBER)
+ */
+#define MAX_CHAMBER_POWER 255 // limits duty cycle to chamber heater; 255=full current
+
+#if ENABLED(PIDTEMPCHAMBER)
+  #define MIN_CHAMBER_POWER 0
+  //#define PID_CHAMBER_DEBUG // Sends debug data to the serial port.
+
+  // Lasko "MyHeat Personal Heater" (200w) modified with a Fotek SSR-10DA to control only the heating element
+  // and placed inside the small Creality printer enclosure tent.
+  //
+  #define DEFAULT_chamberKp 37.04
+  #define DEFAULT_chamberKi 1.40
+  #define DEFAULT_chamberKd 655.17
+  // M309 P37.04 I1.04 D655.17
+
+  // FIND YOUR OWN: "M303 E-2 C8 S50" to run autotune on the chamber at 50 degreesC for 8 cycles.
+#endif // PIDTEMPCHAMBER
+
+#if ANY(PIDTEMP, PIDTEMPBED, PIDTEMPCHAMBER)
   //#define PID_DEBUG             // Sends debug data to the serial port. Use 'M303 D' to toggle activation.
   //#define PID_OPENLOOP          // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
   //#define SLOW_PWM_HEATERS      // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
@@ -1088,6 +1138,7 @@
 //#define PROBING_HEATERS_OFF       // Turn heaters off when probing
 #if ENABLED(PROBING_HEATERS_OFF)
   //#define WAIT_FOR_BED_HEATER     // Wait for bed to heat back up between probes (to improve accuracy)
+  //#define WAIT_FOR_HOTEND         // Wait for hotend to heat back up between probes (to improve accuracy & prevent cold extrude)
 #endif
 //#define PROBING_FANS_OFF          // Turn fans off when probing
 //#define PROBING_STEPPERS_OFF      // Turn steppers off (unless needed to hold position) when probing
@@ -1144,7 +1195,13 @@
 
 //#define NO_MOTION_BEFORE_HOMING // Inhibit movement until all axes have been homed. Also enable HOME_AFTER_DEACTIVATE for extra safety.
 //#define HOME_AFTER_DEACTIVATE   // Require rehoming after steppers are deactivated. Also enable NO_MOTION_BEFORE_HOMING for extra safety.
-//#define UNKNOWN_Z_NO_RAISE      // Don't raise Z (lower the bed) if Z is "unknown." For beds that fall when Z is powered off.
+
+/**
+ * Set Z_IDLE_HEIGHT if the Z-Axis moves on its own when steppers are disabled.
+ *  - Use a low value (i.e., Z_MIN_POS) if the nozzle falls down to the bed.
+ *  - Use a large value (i.e., Z_MAX_POS) if the bed falls down, away from the nozzle.
+ */
+//#define Z_IDLE_HEIGHT Z_HOME_POS
 
 //#define Z_HOMING_HEIGHT  4      // (mm) Minimal Z height before homing (G28) for Z clearance above the bed, clamps, ...
                                   // Be sure to have this much clearance over your Z_MAX_POS to prevent grinding.
@@ -1624,11 +1681,13 @@
 #define PREHEAT_1_LABEL       "PLA"
 #define PREHEAT_1_TEMP_HOTEND 180
 #define PREHEAT_1_TEMP_BED     70
+#define PREHEAT_1_TEMP_CHAMBER 35
 #define PREHEAT_1_FAN_SPEED     0 // Value from 0 to 255
 
 #define PREHEAT_2_LABEL       "ABS"
 #define PREHEAT_2_TEMP_HOTEND 240
 #define PREHEAT_2_TEMP_BED    110
+#define PREHEAT_2_TEMP_CHAMBER 35
 #define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
 
 /**

Marlin/Configuration_adv.h

@@ -143,13 +143,17 @@
 //
 // Heated Chamber options
 //
+#if DISABLED(PIDTEMPCHAMBER)
+  #define CHAMBER_CHECK_INTERVAL 5000   // (ms) Interval between checks in bang-bang control
+  #if ENABLED(CHAMBER_LIMIT_SWITCHING)
+    #define CHAMBER_HYSTERESIS 2        // (°C) Only set the relevant heater state when ABS(T-target) > CHAMBER_HYSTERESIS
+  #endif
+#endif
+
 #if TEMP_SENSOR_CHAMBER
-  #define CHAMBER_MINTEMP             5
-  #define CHAMBER_MAXTEMP            60
-  #define TEMP_CHAMBER_HYSTERESIS     1   // (°C) Temperature proximity considered "close enough" to the target
-  //#define CHAMBER_LIMIT_SWITCHING
-  //#define HEATER_CHAMBER_PIN       44   // Chamber heater on/off pin
+  //#define HEATER_CHAMBER_PIN      P2_04   // Required heater on/off pin (example: SKR 1.4 Turbo HE1 plug)
   //#define HEATER_CHAMBER_INVERTING false
+  //#define FAN1_PIN                   -1   // Remove the fan signal on pin P2_04 (example: SKR 1.4 Turbo HE1 plug)
 
   //#define CHAMBER_FAN               // Enable a fan on the chamber
   #if ENABLED(CHAMBER_FAN)
@@ -515,7 +519,7 @@
   #define INVERT_CASE_LIGHT false             // Set true if Case Light is ON when pin is LOW
   #define CASE_LIGHT_DEFAULT_ON true          // Set default power-up state on
   #define CASE_LIGHT_DEFAULT_BRIGHTNESS 105   // Set default power-up brightness (0-255, requires PWM pin)
-  //#define CASE_LIGHT_MAX_PWM 128            // Limit pwm
+  //#define CASE_LIGHT_MAX_PWM 128            // Limit PWM duty cycle (0-255)
   //#define CASE_LIGHT_MENU                   // Add Case Light options to the LCD menu
   //#define CASE_LIGHT_NO_BRIGHTNESS          // Disable brightness control. Enable for non-PWM lighting.
   //#define CASE_LIGHT_USE_NEOPIXEL           // Use NeoPixel LED as case light, requires NEOPIXEL_LED.
@@ -736,8 +740,8 @@
   /**
    * Use "HIGH SPEED" mode for probing.
    * Danger: Disable if your probe sometimes fails. Only suitable for stable well-adjusted systems.
-   * This feature was designed for Delta's with very fast Z moves however higher speed cartesians may function
-   * If the machine cannot raise the probe fast enough after a trigger, it may enter a fault state.
+   * This feature was designed for Deltabots with very fast Z moves; however, higher speed Cartesians
+   * might be able to use it. If the machine can't raise Z fast enough the BLTouch may go into ALARM.
    */
   //#define BLTOUCH_HS_MODE
 
@@ -862,9 +866,6 @@
 #define DISABLE_INACTIVE_Z true  // Set 'false' if the nozzle could fall onto your printed part!
 #define DISABLE_INACTIVE_E true
 
-// If the Nozzle or Bed falls when the Z stepper is disabled, set its resting position here.
-//#define Z_AFTER_DEACTIVATE Z_HOME_POS
-
 // Default Minimum Feedrates for printing and travel moves
 #define DEFAULT_MINIMUMFEEDRATE       0.0     // (mm/s) Minimum feedrate. Set with M205 S.
 #define DEFAULT_MINTRAVELFEEDRATE     0.0     // (mm/s) Minimum travel feedrate. Set with M205 T.
@@ -1143,6 +1144,9 @@
     #endif
   #endif
 
+  // Insert a menu for preheating at the top level to allow for quick access
+  //#define PREHEAT_SHORTCUT_MENU_ITEM
+
 #endif // HAS_LCD_MENU
 
 #if HAS_DISPLAY
@@ -3732,3 +3736,10 @@
 
 // Enable Marlin dev mode which adds some special commands
 //#define MARLIN_DEV_MODE
+
+/**
+ * Postmortem Debugging captures misbehavior and outputs the CPU status and backtrace to serial.
+ * When running in the debugger it will break for debugging. This is useful to help understand
+ * a crash from a remote location. Requires ~400 bytes of SRAM and 5Kb of flash.
+ */
+//#define POSTMORTEM_DEBUGGING

Marlin/Makefile

@@ -323,6 +323,8 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1203)
 else ifeq ($(HARDWARE_MOTHERBOARD),1204)
 # abee Scoovo X9H
 else ifeq ($(HARDWARE_MOTHERBOARD),1205)
+# Rambo ThinkerV2
+else ifeq ($(HARDWARE_MOTHERBOARD),1206)
 
 #
 # Other ATmega1280, ATmega2560

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

@@ -56,3 +56,10 @@
 #if BOTH(HAS_TMC_SW_SERIAL, MONITOR_DRIVER_STATUS)
   #error "MONITOR_DRIVER_STATUS causes performance issues when used with SoftwareSerial-connected drivers. Disable MONITOR_DRIVER_STATUS or use hardware serial to continue."
 #endif
+
+/**
+ * Postmortem debugging
+ */
+#if ENABLED(POSTMORTEM_DEBUGGING)
+  #error "POSTMORTEM_DEBUGGING is not supported on AVR boards."
+#endif