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power panic: Add two functions 

These functions should be able to be re-used during a power panic

- save_print_file_state
- restore_print_file_state

No functional change at the moment.
This commit is contained in:
Guðni Már Gilbert 2023-06-25 16:12:42 +00:00 committed by DRracer
parent 526a1dcc63
commit 2902fcaa71
1 changed files with 56 additions and 49 deletions
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105
Firmware/Marlin_main.cpp
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@ -10335,43 +10335,31 @@ void serialecho_temperatures() {
SERIAL_PROTOCOLLN();
}
//! @brief Immediately stop print moves
//!
//! Immediately stop print moves, save current extruder temperature and position to RAM.
//! If printing from sd card, position in file is saved.
//! If printing from USB, line number is saved.
//!
//! @param z_move
//! @param e_move
void stop_and_save_print_to_ram(float z_move, float e_move)
{
if (saved_printing) return;
unsigned char nlines;
uint16_t sdlen_planner;
uint16_t sdlen_cmdqueue;
void save_print_file_state() {
uint8_t nlines;
uint16_t sdlen_cmdqueue;
uint16_t sdlen_planner;
cli();
if (card.sdprinting) {
saved_sdpos = sdpos_atomic; //atomic sd position of last command added in queue
sdlen_planner = planner_calc_sd_length(); //length of sd commands in planner
saved_sdpos -= sdlen_planner;
sdlen_cmdqueue = cmdqueue_calc_sd_length(); //length of sd commands in cmdqueue
saved_sdpos -= sdlen_cmdqueue;
saved_printing_type = PRINTING_TYPE_SD;
}
else if (usb_timer.running()) { //reuse saved_sdpos for storing line number
saved_sdpos = gcode_LastN; //start with line number of command added recently to cmd queue
//reuse planner_calc_sd_length function for getting number of lines of commands in planner:
nlines = planner_calc_sd_length(); //number of lines of commands in planner
saved_sdpos -= nlines;
saved_sdpos -= buflen; //number of blocks in cmd buffer
saved_printing_type = PRINTING_TYPE_USB;
}
else {
saved_printing_type = PRINTING_TYPE_NONE;
//not sd printing nor usb printing
}
if (card.sdprinting) {
saved_sdpos = sdpos_atomic; //atomic sd position of last command added in queue
sdlen_planner = planner_calc_sd_length(); //length of sd commands in planner
saved_sdpos -= sdlen_planner;
sdlen_cmdqueue = cmdqueue_calc_sd_length(); //length of sd commands in cmdqueue
saved_sdpos -= sdlen_cmdqueue;
saved_printing_type = PRINTING_TYPE_SD;
}
else if (usb_timer.running()) { //reuse saved_sdpos for storing line number
saved_sdpos = gcode_LastN; //start with line number of command added recently to cmd queue
//reuse planner_calc_sd_length function for getting number of lines of commands in planner:
nlines = planner_calc_sd_length(); //number of lines of commands in planner
saved_sdpos -= nlines;
saved_sdpos -= buflen; //number of blocks in cmd buffer
saved_printing_type = PRINTING_TYPE_USB;
}
else {
saved_printing_type = PRINTING_TYPE_NONE;
//not sd printing nor usb printing
}
#if 0
SERIAL_ECHOPGM("SDPOS_ATOMIC="); MYSERIAL.println(sdpos_atomic, DEC);
@ -10460,6 +10448,36 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
}
}
#endif
}
void restore_print_file_state() {
if (saved_printing_type == PRINTING_TYPE_SD) { //was sd printing
card.setIndex(saved_sdpos);
sdpos_atomic = saved_sdpos;
card.sdprinting = true;
} else if (saved_printing_type == PRINTING_TYPE_USB) { //was usb printing
gcode_LastN = saved_sdpos; //saved_sdpos was reused for storing line number when usb printing
serial_count = 0;
FlushSerialRequestResend();
} else {
//not sd printing nor usb printing
}
}
//! @brief Immediately stop print moves
//!
//! Immediately stop print moves, save current extruder temperature and position to RAM.
//! If printing from sd card, position in file is saved.
//! If printing from USB, line number is saved.
//!
//! @param z_move
//! @param e_move
void stop_and_save_print_to_ram(float z_move, float e_move)
{
if (saved_printing) return;
cli();
save_print_file_state();
// save the global state at planning time
bool pos_invalid = mesh_bed_leveling_flag || homing_flag;
@ -10599,19 +10617,8 @@ void restore_print_from_ram_and_continue(float e_move)
memcpy(current_position, saved_pos, sizeof(saved_pos));
set_destination_to_current();
if (saved_printing_type == PRINTING_TYPE_SD) { //was sd printing
card.setIndex(saved_sdpos);
sdpos_atomic = saved_sdpos;
card.sdprinting = true;
}
else if (saved_printing_type == PRINTING_TYPE_USB) { //was usb printing
gcode_LastN = saved_sdpos; //saved_sdpos was reused for storing line number when usb printing
serial_count = 0;
FlushSerialRequestResend();
}
else {
//not sd printing nor usb printing
}
restore_print_file_state();
lcd_setstatuspgm(MSG_WELCOME);
saved_printing_type = PRINTING_TYPE_NONE;