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Grbl learning (II)
2022-04-23 15:55:00 【Sola_ Ex】
GRBL Study
config.h file
You can know from the beginning of the file , This file is used to configure for different machines . Yes GRBL Come on , If the motherboard is replaced , Use 2560 or 128P If these chips , Ignore the configuration of this file directly . But I don't use this 、、
EEOROM Use default configuration after reset
#define DEFAULTS_GENERIC
Baud rate
#define BAUD_RATE 115200
The use of Arduino chip
#define CPU_MAP_ATMEGA328P // Arduino Uno CPU
in the light of GRBL The command parses characters
#define CMD_STATUS_REPORT '?'
#define CMD_FEED_HOLD '!'
#define CMD_CYCLE_START '~'
#define CMD_RESET 0x18 // ctrl-x.
#define CMD_SAFETY_DOOR '@'
The motor is locked when powered on ; This function seems strange , In fact, this is GRBL A protection function for laser engraving , Normal use GRBL When , After power on , Can't directly control XY The mobile , here GRBL Will send a prompt in the serial port , Let you unlock , And you need to send a X Of finger Make to G R B L , Explain lock after only can just often fuck do electric machine . too cheng in meet To police newspaper , also Meeting production raw On lock shape state , Same as sample yes send use X Give instructions to GRBL, The motor can be operated normally only after unlocking . An alarm was encountered in the process , It will also produce a locked state , Also use X Of finger Make to GRBL, Explain lock after only can just often fuck do electric machine . too cheng in meet To police newspaper , also Meeting production raw On lock shape state , Same as sample yes send use X This command can be used normally . After all, the power of the laser head is no joke ...
#define HOMING_INIT_LOCK
The control pin is here , in the light of CNC Only some
#define HOMING_CYCLE_0 (1<<Z_AXIS)
#define HOMING_CYCLE_1 ((1<<X_AXIS)|(1<<Y_AXIS))
The number of times the limit is touched when returning to zero
#define N_HOMING_LOCATE_CYCLE 1
GRBL in the light of CNC The floating point type of the display ( In real time, this is for 8 Floating point operation processing of bit single chip microcomputer , If replaced 32 Bit with floating point operation , You can optimize here )
#define N_DECIMAL_COORDVALUE_INCH 4
#define N_DECIMAL_COORDVALUE_MM 3
#define N_DECIMAL_RATEVALUE_INCH 1
#define N_DECIMAL_RATEVALUE_MM 0
#define N_DECIMAL_SETTINGVALUE 3
Coordinate information feedback , When disabled, only the last set of coordinate information can be obtained ( This should be used together with the upper computer )
#define MESSAGE_PROBE_COORDINATES
Safety delay time after safety switch switching
#define SAFETY_DOOR_SPINDLE_DELAY 4000
#define SAFETY_DOOR_COOLANT_DELAY 1000
Offset Set enable
#define TOOL_LENGTH_OFFSET_AXIS Z_AXIS
Variable spindle enable
#define VARIABLE_SPINDLE
belt S The order of ,S The latter is worth the scope , Such as M3 S255
#define SPINDLE_MAX_RPM 1000.0
#define SPINDLE_MIN_RPM 0.0
Minimum cross speed setting
#define MINIMUM_JUNCTION_SPEED 0.0 // (mm/min)
Minimum printing speed
#define MINIMUM_FEED_RATE 1.0 // (mm/min)
Radian correction value ( The setting of the value here is similar to GRBL Print related ,GRBL Algorithm for printing arcs )
#define N_ARC_CORRECTION 12
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本文为[Sola_ Ex]所创,转载请带上原文链接,感谢
https://yzsam.com/2022/04/202204231554163679.html
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