96 lines
3.7 KiB
C
96 lines
3.7 KiB
C
#ifndef CMDQUEUE_H
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#define CMDQUEUE_H
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#include "Marlin.h"
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#include "language.h"
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// String circular buffer. Commands may be pushed to the buffer from both sides:
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// Chained commands will be pushed to the front, interactive (from LCD menu)
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// and printing commands (from serial line or from SD card) are pushed to the tail.
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// First character of each entry indicates the type of the entry:
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#define CMDBUFFER_CURRENT_TYPE_UNKNOWN 0
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// Command in cmdbuffer was sent over USB.
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#define CMDBUFFER_CURRENT_TYPE_USB 1
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// Command in cmdbuffer was read from SDCARD.
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#define CMDBUFFER_CURRENT_TYPE_SDCARD 2
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// Command in cmdbuffer was generated by the UI.
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#define CMDBUFFER_CURRENT_TYPE_UI 3
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// Command in cmdbuffer was generated by another G-code.
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#define CMDBUFFER_CURRENT_TYPE_CHAINED 4
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// Command has been processed and its SD card length has been possibly pushed
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// to the planner queue, but not yet removed from the cmdqueue.
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// This is a temporary state to reduce stepper interrupt locking time.
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#define CMDBUFFER_CURRENT_TYPE_TO_BE_REMOVED 5
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//Command in cmdbuffer was sent over USB and contains line number
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#define CMDBUFFER_CURRENT_TYPE_USB_WITH_LINENR 6
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// How much space to reserve for the chained commands
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// of type CMDBUFFER_CURRENT_TYPE_CHAINED,
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// which are pushed to the front of the queue?
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// Maximum 5 commands of max length 20 + null terminator.
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#define CMDBUFFER_RESERVE_FRONT (5*21)
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extern char cmdbuffer[BUFSIZE * (MAX_CMD_SIZE + 1) + CMDBUFFER_RESERVE_FRONT];
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extern int bufindr;
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extern int bufindw;
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extern int buflen;
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extern bool cmdbuffer_front_already_processed;
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// Type of a command, which is to be executed right now.
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#define CMDBUFFER_CURRENT_TYPE (cmdbuffer[bufindr])
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// String of a command, which is to be executed right now.
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#define CMDBUFFER_CURRENT_STRING (cmdbuffer+bufindr+CMDHDRSIZE)
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// Enable debugging of the command buffer.
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// Debugging information will be sent to serial line.
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//#define CMDBUFFER_DEBUG
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extern int serial_count;
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extern boolean comment_mode;
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extern char *strchr_pointer;
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extern unsigned long TimeSent;
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extern unsigned long TimeNow;
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extern long gcode_N;
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extern long gcode_LastN;
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extern long Stopped_gcode_LastN;
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extern bool cmdqueue_pop_front();
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extern void cmdqueue_reset();
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extern bool cmdqueue_could_enqueue_front(int len_asked);
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extern bool cmdqueue_could_enqueue_back(int len_asked, bool atomic_update = false);
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#ifdef CMDBUFFER_DEBUG
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extern void cmdqueue_dump_to_serial_single_line(int nr, const char *p);
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extern void cmdqueue_dump_to_serial();
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#endif /* CMDBUFFER_DEBUG */
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extern bool cmd_buffer_empty();
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extern void enquecommand(const char *cmd, bool from_progmem);
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extern void enquecommand_front(const char *cmd, bool from_progmem);
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extern void repeatcommand_front();
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extern bool is_buffer_empty();
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extern void get_command();
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extern uint16_t cmdqueue_calc_sd_length();
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// Return True if a character was found
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static inline bool code_seen(char code) { return (strchr_pointer = strchr(CMDBUFFER_CURRENT_STRING, code)) != NULL; }
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static inline bool code_seen(const char *code) { return (strchr_pointer = strstr(CMDBUFFER_CURRENT_STRING, code)) != NULL; }
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static inline float code_value() { return strtod(strchr_pointer+1, NULL);}
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static inline long code_value_long() { return strtol(strchr_pointer+1, NULL, 10); }
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static inline int16_t code_value_short() { return int16_t(strtol(strchr_pointer+1, NULL, 10)); };
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static inline uint8_t code_value_uint8() { return uint8_t(strtol(strchr_pointer+1, NULL, 10)); };
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static inline float code_value_float()
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{
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char* e = strchr(strchr_pointer, 'E');
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if (!e) return strtod(strchr_pointer + 1, NULL);
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*e = 0;
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float ret = strtod(strchr_pointer + 1, NULL);
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*e = 'E';
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return ret;
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}
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#endif //CMDQUEUE_H
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