Creality3D Power-Loss Recovery

Marlin/src/feature/power_loss_recovery.h

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+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * power_loss_recovery.h - Resume an SD print after power-loss
+ */
+
+#ifndef _POWER_LOSS_RECOVERY_H_
+#define _POWER_LOSS_RECOVERY_H_
+
+#include "../sd/cardreader.h"
+#include "../core/types.h"
+#include "../inc/MarlinConfigPre.h"
+
+#define SAVE_INFO_INTERVAL_MS 0
+//#define SAVE_EACH_CMD_MODE
+//#define DEBUG_POWER_LOSS_RECOVERY
+
+typedef struct {
+  uint8_t valid_head;
+
+  // Machine state
+  float current_position[NUM_AXIS], feedrate;
+  int16_t target_temperature[HOTENDS],
+          target_temperature_bed,
+          fanSpeeds[FAN_COUNT];
+
+  #if HAS_LEVELING
+    bool leveling;
+    float fade;
+  #endif
+
+  // Command queue
+  uint8_t cmd_queue_index_r, commands_in_queue;
+  char command_queue[BUFSIZE][MAX_CMD_SIZE];
+
+  // SD File position
+  uint32_t sdpos;
+
+  // Job elapsed time
+  millis_t print_job_elapsed;
+
+  uint8_t valid_foot;
+} job_recovery_info_t;
+
+extern job_recovery_info_t job_recovery_info;
+
+enum JobRecoveryPhase : unsigned char {
+  JOB_RECOVERY_IDLE,
+  JOB_RECOVERY_MAYBE,
+  JOB_RECOVERY_YES
+};
+extern JobRecoveryPhase job_recovery_phase;
+
+#if HAS_LEVELING
+  #define APPEND_CMD_COUNT 7
+#else
+  #define APPEND_CMD_COUNT 5
+#endif
+
+extern char job_recovery_commands[BUFSIZE + APPEND_CMD_COUNT][MAX_CMD_SIZE];
+extern uint8_t job_recovery_commands_count;
+
+void do_print_job_recovery();
+void save_job_recovery_info();
+
+#endif // _POWER_LOSS_RECOVERY_H_