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Using the SD Card
All commands can be in the $ format like $SD/List or the older [ESP...] format, like [ESP210]. The $ format is detailed on this page. You can get a list of all $ commands by sending $Cmd. The [ESP...] format is described in this document.
Note: If you have authentication enabled (which is not the default), you will need to supply a password for some of the commands. Example $SD/List pwd=admin (this assumes you are using the default password of "admin")
$SD/Status
$SD/Status
Show all the files. This is recursive and will search all subdirectories. Each file will print like this...
[FILE:/FOO.NC|SIZE:29547]
...where /FOO.NC is the filename. including the directory. In this case the directory is the root. The number following the file name is the file size.
There is no filter, all files and folders are reported. Senders, WebUI, etc should handle this.
$SD/Run
$#D/Run=/Foo.nc This will run file /Foo.nc
Note: If in alarm mode, this command will fail with error 9
You can remove the card and use a PC to add files or you can upload them via the WebUI.
Pause/Restart
Just use the normal grbl cycle start and feedhold commands
Stop/Quit a file
Use Grbl Reset. The best way to do this is to do a feed hold then a Grbl Reset. The last line will be reported.
Keep in mind that the feedhold will have stopped a move in progress and there will be more moves in the buffer. Restarting and reseting all the modal things is very tricky and left to the sender.
Errors
Any gcode errors in the SD card file will terminate the job. The offending line number of the file will be reported.
Status
When an SD card job is running, the percent complete is appended to the status string. This is simply percent of bytes read from the file.
<Idle|WPos:195.000,144.000,19.000|Bf:15,128|FS:0.000,0.000|Pn:P|WCO:-195.000,-144.000,-19.000|SD:45.5>
The firmware uses the Arduino SD library. This is limited to 4G cards.
Some people have trouble when SD cards have been formatted by Windows, but were able to solve the problem by formatting with SD Card Formater
- Home
- Hardware
- ESP32 Dev Kit Versions
- Compiling with Arduino IDE
- Compiling with PlatformIO
- Using the Serial Port
- Grbl_ESP32 Settings
- Controlling Grbl_ESP32
- Setting Up the I/O pins
- Spindle Types
- Basic Kinematics
- Custom Machine Functions
- Home/Limit Switches
- Machine Work Space
- Stepper Motor Drivers
- Trinamic Drivers
- Axis Squaring and Ganging
- Settings
- SD Card
- Bluetooth
- Wifi
- WebUI
- Using Telnet
- Servo Axis
- Push notifications
- Switches
- Stepper Drivers
- Spindle options
- Other Ouputs
Testing public edit