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Hi Dan, thanks for sharing.
Regarding your question
if it would be possible to add a field to OpenSprinkler’s Preferences page to switch between default behavior (using rayshobby server) and another URL (e.g. the server on the raspi)?
this can be done by adding an string option that stores the prefix to the Javascript path.
If you have a write-up, I would be happy to post it on my blog. Is it possible to share just the changes/files you made, instead of the entire linux image file? I assume a user would want to install the default Raspi image first, and then follow the change you made.
I am not sure, you should check GitHub. But I believe you can do a ‘git checkout’ followed by the commit hash code (the number shown on each commit record, such as 63d40b62c5).
Sure, we’ve just started working on this using the weather API provided by Wunderground. Hopefully we can release the work in progress soon. There are still a lot of unknowns we need to experiment with. Any help would be appreciated.
GitHub keeps the entire commit history. You can go to the history list and download a previous version of the repository. Here is the direct link:
https://github.com/rayshobby/opensprinkler/commits/master/OpenSprinkler%20Controller/software
I think the version committed on June 19, 2012 should still work with FTDI programmer. However, since you have an ISP programmer, I would recommend you to upgrade to the latest firmware (1.8.2). You need to solder a 2×3 pin header to your v1.0 board, and then you can upload a .hex file using your ISP programmer.The LCD module can be turned off in software, but the backlight is hard wired and cannot be turned off in software. To turn off the backlight would require an additional microcontroller pin. This will certainly be considered for the next hardware upgrade.
Thanks for sharing, Dan. It’s great to know that you modified OpenSprinkler firmware to work with Raspi. I’ve got my first Pi recently and am very happy with it. I think a lot of home automation projects will move towards embedded linux in the future. It will lower the programming barrier for users who are less familiar with microcontroller programs but more familiar with script languages. Keep us updated on your progress. Thanks.
