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Forum Index : Electronics : datalogger project
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RifRaf Newbie  Joined: 15/10/2006 Location: AustraliaPosts: 32 |
Hi all, have been away lost on other projects for a while now, but bumped into an old project this morning and wondering if anyone has any motivation to assist with completing it or maybe something else has been developed that means I can let it go. Is based on the PicLogger app though was rewritten in C for Atmel AVR. Have started to make a new GUI with Pyqt today but would like to dig out some hardware and play with windmills again after putting then away after a storm broke the pvc blades. Link to projects and details AVR Data Logger Someone that is familiar with C and python would be great to work with cause they are the skills i lack most. Can make all the hardware, electronics, pcbs etc and have prototypes to dig out if someone is interested in a project. Would be a good excuse for me to get these 2 old F&P mills back in action. |
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| davef Guru  Joined: 14/05/2006 Location: New ZealandPosts: 499 |
I developed my own datalogger on the ATmega32 using a SD card interface (WinAVR)and TinyFS. I used the JEDmicro development board. I also wrote a Python/TKinter GUI for very simple control of the AVR chip, a few years ago. I would update this to wxPyton . . . if I did it again. Currently working on a web server version using PHP so that hopefully I could monitor and control things via the Internet. Is PyQt similar to wxPython? I also made some ATmega88 double-sided PTH dev boards. You are welcome to one or two boards, if you want. Cheers, davef |
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| davef Guru Joined: 14/05/2006 Location: New ZealandPosts: 499 |
Had a quick look through one of your files and I don't understand your comment to the effect "lacking in C programming skills". Looks like you have a pretty good understanding! |
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| davef Guru Joined: 14/05/2006 Location: New ZealandPosts: 499 |
Email me at <dave_festing at hotmail dot com> if you want further information. |
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| RifRaf Newbie Joined: 15/10/2006 Location: AustraliaPosts: 32 |
G'day dave, thanks for reply, have fought with C for a few years and not sure how i made that code but was with help from others am sure. I find it way too time consuming for the amount i get done, would much rather deal with the hardware side of it. Will email you as am interested to see the board you made, have just homebrewed the pcbs here so far, much prefer the hardware and mechanical side of things. Not familiar with wxPython though after a quick google seems similar idea yep. PyQt's designer module is a simple way to create a GUI it seems that can be cross platform compatible, am still new to it and hopefully will know a bit more after this weekend. The actual python code is what i still need to learn better though. Will dig out me datalogger stuff on weekend and see where its up to, did have some sort of internet control for projects but need to brush up memory |
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| davef Guru Joined: 14/05/2006 Location: New ZealandPosts: 499 |
Your PCBs look much more complex then mine. Fortunately, I was able to get mine PTHed through my previous company. It is quite basic with PCB positions for RS232 and RS485 chips. I saw the struct and the typedef struct in your code and thought this guy knows a fair bit. One comment on your functions set_time() and set_date(), I assume you meant to "fall-thru" on most of the case statements. As it is not "normal" to do that, a comment to the effect you wanted to makes your intention obvious. I have made a lot of effort to abstract away as much as possible, in an effort to made main() read like a story-book. However, each system requires a lot of hand-crafting because everybody wants to do something different. I would like to work towards the point of someone needing to do as little as possible in main() and have libraries of hardware drivers that would do the real work. Unfortunately, you still need to be able to program in C! Be interested in hearing what you did for internet control. Cheers, Dave |
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