Anycubic Mega Zero custom changes

Marlin/Marlin.h

@@ -44,6 +44,10 @@
 #include "utility.h"
 #include "serial.h"
 
+extern char TFTpausingFlag ;
+
+
+
 void idle(
   #if ENABLED(ADVANCED_PAUSE_FEATURE)
     bool no_stepper_sleep = false  // pass true to keep steppers from disabling on timeout

Marlin/Marlin_main.cpp

@@ -412,6 +412,15 @@ uint8_t axis_homed, axis_known_position; // = 0
  */
 static long gcode_N, gcode_LastN, Stopped_gcode_LastN = 0;
 
+bool is_resume = false ;
+char flag_adjusted_level = 0 ;
+
+
+char TFTpausingFlag=0;//for return a flag that buffer carry out
+
+
+
+
 /**
  * GCode Command Queue
  * A simple ring buffer of BUFSIZE command strings.
@@ -3235,8 +3244,11 @@ static void do_homing_move(const AxisEnum axis, const float distance, const floa
     planner.buffer_line(line_lengths[A_AXIS], line_lengths[B_AXIS], line_lengths[C_AXIS], line_lengths[D_AXIS], current_position[E_CART], fr_mm_s ? fr_mm_s : homing_feedrate(axis), active_extruder);
   #else
     sync_plan_position();
+  if(axis != Z_AXIS ||(axis == Z_AXIS && is_resume==false )) //daxiong dnot go z_home
+  	{
     current_position[axis] = distance; // Set delta/cartesian axes directly
     planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_CART], fr_mm_s ? fr_mm_s : homing_feedrate(axis), active_extruder);
+  	}
   #endif
 
   planner.synchronize();
@@ -3247,7 +3259,10 @@ static void do_homing_move(const AxisEnum axis, const float distance, const floa
       if (axis == Z_AXIS) probing_pause(false);
     #endif
 
-    endstops.validate_homing_move();
+	if(axis != Z_AXIS ||(axis == Z_AXIS && is_resume==false )) //daxiong dnot go z_home
+	  {
+       endstops.validate_homing_move();
+	  }
 
     // Re-enable stealthChop if used. Disable diag1 pin on driver.
     #if ENABLED(SENSORLESS_HOMING)
@@ -3614,6 +3629,8 @@ inline void gcode_G0_G1(
     bool fast_move=false
   #endif
 ) {
+	  flag_adjusted_level = 1 ;
+
   if (IsRunning() && G0_G1_CONDITION) {
     gcode_get_destination(); // For X Y Z E F
 
@@ -4510,7 +4527,7 @@ inline void gcode_G28(const bool always_home_all) {
           (parser.seenval('R') ? parser.value_linear_units() : Z_HOMING_HEIGHT)
     );
 
-    if (z_homing_height && (home_all || homeX || homeY)) {
+    if (is_resume==false&&z_homing_height && (home_all || homeX || homeY)) {
       // Raise Z before homing any other axes and z is not already high enough (never lower z)
       destination[Z_AXIS] = z_homing_height;
       if (destination[Z_AXIS] > current_position[Z_AXIS]) {
@@ -4520,7 +4537,7 @@ inline void gcode_G28(const bool always_home_all) {
             SERIAL_ECHOLNPAIR("Raise Z (before homing) to ", destination[Z_AXIS]);
         #endif
 
-        do_blocking_move_to_z(destination[Z_AXIS]);
+        do_blocking_move_to_z(destination[Z_AXIS]); 
       }
     }
 
@@ -4638,6 +4655,13 @@ inline void gcode_G28(const bool always_home_all) {
   #if ENABLED(DEBUG_LEVELING_FEATURE)
     if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("<<< G28");
   #endif
+
+	if(is_resume==true)
+	{
+	  homeaxis(Z_AXIS);
+	  is_resume=false ;
+	}
+  flag_adjusted_level = 0 ;
 } // G28
 
 void home_all_axes() { gcode_G28(true); }
@@ -8435,7 +8459,8 @@ inline void gcode_M104() {
   #endif
 
   if (parser.seenval('S')) {
-    const int16_t temp = parser.value_celsius();
+     int16_t temp = parser.value_celsius();
+	if(temp>HEATER_0_MAXTEMP)temp = HEATER_0_MAXTEMP;
     thermalManager.setTargetHotend(temp, target_extruder);
 
     #if ENABLED(DUAL_X_CARRIAGE)
@@ -15444,7 +15469,7 @@ void setup() {
   #endif
 
   #if ENABLED(POWER_LOSS_RECOVERY)
-    check_print_job_recovery();
+    check_print_job_recovery(); //查看是否有断电续打的文件
   #endif
 
   #if ENABLED(USE_WATCHDOG)
@@ -15463,6 +15488,20 @@ void setup() {
   #endif
 }
 
+
+void pauseCMDsend()
+{
+static char temp=0;
+ if(commands_in_queue < BUFSIZE)
+ { 
+   temp++;
+   if(temp==1)enqueue_and_echo_commands_P(PSTR("G91"));
+   if(temp==2){enqueue_and_echo_commands_P(PSTR("G1 Z+20")); TFTpausingFlag = 3 ;temp=0;} 
+ }
+}
+
+
+
 /**
  * The main Marlin program loop
  *
@@ -15476,6 +15515,12 @@ void setup() {
  */
 void loop() {
 
+
+//暂停 抬高的步�?//1,首先停止SD卡，不允许读新的指令
+//2，等待缓存区的指令执行结�?，然后嵌入G91 Z20.0 两个指令
+  if(TFTpausingFlag==2)pauseCMDsend();//when pause,i need rase z axis,but if i use enquecommand_P,it maybe lose cmd,very dangerous,so i need sent cmd one by one
+
+
   #if ENABLED(SDSUPPORT)
 
     card.checkautostart();
@@ -15494,6 +15539,12 @@ void loop() {
         for (uint8_t i = 0; i < FAN_COUNT; i++) fanSpeeds[i] = 0;
       #endif
       wait_for_heatup = false;
+
+      enqueue_and_echo_commands_P(PSTR("G91"));
+      enqueue_and_echo_commands_P(PSTR("G1 E-5 F1000")); //缩一下料
+      enqueue_and_echo_commands_P(PSTR("G1 Z20 F6000")); //抬高20mm
+      enqueue_and_echo_commands_P(PSTR("M84")); //关闭步进电机
+
       #if ENABLED(POWER_LOSS_RECOVERY)
         card.removeJobRecoveryFile();
       #endif
@@ -15537,7 +15588,7 @@ void loop() {
       else {
         process_next_command();
         #if ENABLED(POWER_LOSS_RECOVERY)
-          if (card.cardOK && card.sdprinting) save_job_recovery_info();
+          if (card.cardOK && card.sdprinting) save_job_recovery_info(current_position[2]);
         #endif
       }
 
@@ -15555,4 +15606,11 @@ void loop() {
   }
   endstops.event_handler();
   idle();
+
+
+    if(TFTpausingFlag==1) //when pause sd printing,send "ok"to tft as read buffer carry out
+  {
+    planner.synchronize();
+    TFTpausingFlag=2;
+  } 
 }

Marlin/boards.h

@@ -127,6 +127,8 @@
 #define BOARD_STB_11            64    // STB V1.1
 #define BOARD_AZTEEG_X1         65    // Azteeg X1
 #define BOARD_ANET_10           69    // Anet 1.0 (Melzi clone)
+#define BOARD_ANYCUBIC_Mega_Zero       61    // MELZI_ANYCUBIC_M7      
+
 
 //
 // Other ATmega644P, ATmega644, ATmega1284P

Marlin/pins.h

@@ -215,8 +215,9 @@
   #include "pins_STB_11.h"            // ATmega644P, ATmega1284P                    env:sanguino_atmega644p env:sanguino_atmega1284p
 #elif MB(AZTEEG_X1)
   #include "pins_AZTEEG_X1.h"         // ATmega644P, ATmega1284P                    env:sanguino_atmega644p env:sanguino_atmega1284p
+#elif MB(ANYCUBIC_Mega_Zero)
+  #include "pins_ANYCUBIC_M7.h"    // ATmega644P, ATmega1284P                    env:sanguino_atmega644p env:sanguino_atmega1284p
 
-//
 // Other ATmega644P, ATmega644, ATmega1284P
 //
 

Marlin/pins_ANYCUBIC_M7.h

@@ -0,0 +1,117 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * Melzi (Anycubic) pin assignments
+ *
+ * The Anycubic board needs a bootloader installed before Marlin can be uploaded.
+ * If you don't have a chip programmer you can use a spare Arduino plus a few
+ * electronic components to write the bootloader.
+ *
+ * See http://www.instructables.com/id/Burn-Arduino-Bootloader-with-Arduino-MEGA/
+ */
+
+#define BOARD_NAME "Melzi (Anycubic)"
+
+#include "pins_MELZI.h"
+
+// For the stock CR-10 use the REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+//   option for the display in Configuration.h
+
+#undef LCD_SDSS
+#undef LED_PIN
+#undef LCD_PINS_RS
+#undef LCD_PINS_ENABLE
+#undef LCD_PINS_D4
+#undef LCD_PINS_D5
+#undef LCD_PINS_D6
+#undef LCD_PINS_D7
+#undef FIL_RUNOUT_PIN
+
+#define LCD_SDSS           31   // Smart Controller SD card reader (rather than the Melzi)
+#define LCD_PINS_RS        28   // ST9720 CS
+#define LCD_PINS_ENABLE    17   // ST9720 DAT
+#define LCD_PINS_D4        30   // ST9720 CLK
+#define FIL_RUNOUT_PIN     -1   // Uses Beeper/LED Pin Pulled to GND
+
+// Alter timing for graphical display
+#ifndef ST7920_DELAY_1
+  #define ST7920_DELAY_1 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_2
+  #define ST7920_DELAY_2 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_3
+  #define ST7920_DELAY_3 DELAY_NS(125)
+#endif
+
+#if ENABLED(MINIPANEL)
+  #undef DOGLCD_CS
+  #define DOGLCD_CS        LCD_PINS_RS
+#endif
+
+/**
+  PIN:   0   Port: B0        E0_DIR_PIN                  protected
+  PIN:   1   Port: B1        E0_STEP_PIN                 protected
+  PIN:   2   Port: B2        Z_DIR_PIN                   protected
+  PIN:   3   Port: B3        Z_STEP_PIN                  protected
+  PIN:   4   Port: B4        AVR_SS_PIN                  protected
+  .                          FAN_PIN                     protected
+  .                          SS_PIN                      protected
+  PIN:   5   Port: B5        AVR_MOSI_PIN                Output = 1
+  .                          MOSI_PIN                    Output = 1
+  PIN:   6   Port: B6        AVR_MISO_PIN                Input  = 0    TIMER3A   PWM:     0    WGM: 1    COM3A: 0    CS: 3    TCCR3A: 1    TCCR3B: 3    TIMSK3: 0
+  .                          MISO_PIN                    Input  = 0
+  PIN:   7   Port: B7        AVR_SCK_PIN                 Output = 0    TIMER3B   PWM:     0    WGM: 1    COM3B: 0    CS: 3    TCCR3A: 1    TCCR3B: 3    TIMSK3: 0
+  .                          SCK_PIN                     Output = 0
+  PIN:   8   Port: D0        RXD                         Input  = 1
+  PIN:   9   Port: D1        TXD                         Input  = 0
+  PIN:  10   Port: D2        BTN_EN2                     Input  = 1
+  PIN:  11   Port: D3        BTN_EN1                     Input  = 1
+  PIN:  12   Port: D4        HEATER_BED_PIN              protected
+  PIN:  13   Port: D5        HEATER_0_PIN                protected
+  PIN:  14   Port: D6        E0_ENABLE_PIN               protected
+  .                          X_ENABLE_PIN                protected
+  .                          Y_ENABLE_PIN                protected
+  PIN:  15   Port: D7        X_STEP_PIN                  protected
+  PIN:  16   Port: C0        BTN_ENC                     Input  = 1
+  .                          SCL                         Input  = 1
+  PIN:  17   Port: C1        LCD_PINS_ENABLE             Output = 0
+  .                          SDA                         Output = 0
+  PIN:  18   Port: C2        X_MIN_PIN                   protected
+  .                          X_STOP_PIN                  protected
+  PIN:  19   Port: C3        Y_MIN_PIN                   protected
+  .                          Y_STOP_PIN                  protected
+  PIN:  20   Port: C4        Z_MIN_PIN                   protected
+  .                          Z_STOP_PIN                  protected
+  PIN:  21   Port: C5        X_DIR_PIN                   protected
+  PIN:  22   Port: C6        Y_STEP_PIN                  protected
+  PIN:  23   Port: C7        Y_DIR_PIN                   protected
+  PIN:  24   Port: A7        TEMP_0_PIN                  protected
+  PIN:  25   Port: A6        TEMP_BED_PIN                protected
+  PIN:  26   Port: A5        Z_ENABLE_PIN                protected
+  PIN:  27   Port: A4        BEEPER_PIN                  Output = 0
+  PIN:  28   Port: A3        LCD_PINS_RS                 Output = 0
+  PIN:  29   Port: A2        <unused/unknown>            Input  = 0
+  PIN:  30   Port: A1        LCD_PINS_D4                 Output = 1
+  PIN:  31   Port: A0        SDSS                        Output = 1
+*/

Marlin/pins_SANGUINOLOLU_12.h

@@ -31,6 +31,7 @@
  *  MELZI_MAKR3D
  *  SANGUINOLOLU_12
  *  STB_11
+ *  ANYCUBIC_M7
  */
 
 #ifndef BOARD_NAME