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Code Issues Releases Wiki Activity

Updated Readme with status

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bdring
2018-08-02 07:01:42 -05:00
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@@ -22,7 +22,7 @@ This is a port of [Grbl](https://github.com/gnea/grbl) for the ESP32. The ESP32
### Issues / Changes ### Issues / Changes
1. **Direction pin delay** - Not implemented yet. Some drivers require a couple of microseconds after the direction pin is set before you start the step pulse. The original plan was to [use the RMT feature](http://www.buildlog.net/blog/?s=rmt), but that has issues when trying to use it in an Interrupt. 1. **Direction pin delay** - Not implemented yet. Some drivers require a couple of microseconds after the direction pin is set before you start the step pulse. The original plan was to [use the RMT feature](http://www.buildlog.net/blog/?s=rmt), but that has issues when trying to use it in an Interrupt. **This is typically a option in Grbl that is not used.**
2. **Limit Switch debouncing** is not supported yet. It does not seem to be a problem on my test rigs. It might be better to us an R/C filter for now. 2. **Limit Switch debouncing** is not supported yet. It does not seem to be a problem on my test rigs. It might be better to us an R/C filter for now.
### Using It ### Using It
@@ -33,12 +33,12 @@ I use the NodeMCU 32S version of the ESP32. I suggest starting with that if you
For basic instructions on using Grbl use the [gnea/grbl wiki](https://github.com/gnea/grbl/wiki). That is the Arduino version of Grbl, so keep that in mind regarding hardware setup. If you have questions ask via the GitHub issue system for this project. For basic instructions on using Grbl use the [gnea/grbl wiki](https://github.com/gnea/grbl/wiki). That is the Arduino version of Grbl, so keep that in mind regarding hardware setup. If you have questions ask via the GitHub issue system for this project.
Note: Unlike Grbl on Arduinos, the controller does not reboot when you connect to it via USB. Note: Unlike Grbl on Arduinos, the controller does not reboot when you connect to it via USB. This may cause confusion on some older senders. Most modern Grbl senders will send a reset (Ctrl-X or 0x18) instead of relying on the reboot. I do not plan on changing this. It is better to do reboot when a connection is opened.
### TODO List ### TODO List
- RMT. The RMT feature is a ideal for direction and step features, but apparently has issues working in interrupts. See [this forum post](https://www.esp32.com/viewtopic.php?f=19&t=6397&hilit=grbl) and [this blog post](http://www.buildlog.net/blog/?s=rmt). It would be great to get it working. - RMT. The RMT feature is a ideal for direction and step features, but apparently has issues working in interrupts. See [this forum post](https://www.esp32.com/viewtopic.php?f=19&t=6397&hilit=grbl) and [this blog post](http://www.buildlog.net/blog/?s=rmt). It would be great to get it working.
- Add spindle enable and direction. - Add spindle enable and direction.
- [Bluetooth](https://github.com/bdring/Grbl_Esp32/issues/3) - Add it so phones and PCs can use it to stream gcode. It would be great if it looks like a bluetooth serial port, that helps with compatibility with existing apps. ([Android Grbl Controller](https://play.google.com/store/apps/details?id=in.co.gorest.grblcontroller&hl=en_US) is best!) - [Bluetooth](https://github.com/bdring/Grbl_Esp32/issues/3) - Add it so phones and PCs can use it to stream gcode. It would be great if it looks like a bluetooth serial port, that helps with compatibility with existing apps. ([Android Grbl Controller](https://play.google.com/store/apps/details?id=in.co.gorest.grblcontroller&hl=en_US) is best!)
### Credits ### Credits