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2014-01-27
, 22:57
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Posts: 562 |
Thanked: 2,744 times |
Joined on Dec 2013
@ Espoo, Finland
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#2
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NOTE This is outdated design - please look Devaamo V1.20
Files in my github: https://github.com/kimmoli/devaamoMyhalf
Additional to the software, there is also hardware available.
Old version eagle files also in https://github.com/kimmoli/myhalf
bill of materials in readme
You can easily order this board from OSHPark - 3 pcs for $17.50
Last edited by kimmoli; 2014-03-15 at 08:55.
Files in my github: https://github.com/kimmoli/devaamoMyhalf
Additional to the software, there is also hardware available.
Old version eagle files also in https://github.com/kimmoli/myhalf
bill of materials in readme
You can easily order this board from OSHPark - 3 pcs for $17.50
__________________
TOH ideas, concepts and creations since 2013 toholed tohuart toheink Heebo tohIRi i2ctool tohmm LeTOH FMTOH
TOH ideas, concepts and creations since 2013 toholed tohuart toheink Heebo tohIRi i2ctool tohmm LeTOH FMTOH
Last edited by kimmoli; 2014-03-15 at 08:55.
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2014-02-02
, 22:50
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Posts: 100 |
Thanked: 389 times |
Joined on Dec 2013
@ Finland
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#3
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I was wondering... can the GPIO pin be pulled up/down via software? I'll probably need that kind of functionality at some point. And btw, this tool is great for debugging 
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2014-02-03
, 22:10
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Posts: 562 |
Thanked: 2,744 times |
Joined on Dec 2013
@ Espoo, Finland
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#4
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GPIO... hm... at least it didn't complain anything when setting direction as out and writing a value.
have to check does it really toggle state of the pin.
If it does, i can add control of it to the i2ctool.
have to check does it really toggle state of the pin.
If it does, i can add control of it to the i2ctool.
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2014-02-05
, 17:44
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Posts: 562 |
Thanked: 2,744 times |
Joined on Dec 2013
@ Espoo, Finland
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#5
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ok. GPIO (INT) seems to work as output.
Picture below is from making pulse from command line
echo 1 > value ; echo 0 > value
and the other one is from setting it back to input, it goes "slowly" up as it is pulled high with pull-up resistor.
echo in > direction
Code:
echo 67 > /sys/class/gpio/export echo out > /sys/class/gpio/gpio67/direction # changing direction will set output to low echo 0 > /sys/class/gpio/gpio67/value echo 1 > /sys/class/gpio/gpio67/value
echo 1 > value ; echo 0 > value
and the other one is from setting it back to input, it goes "slowly" up as it is pulled high with pull-up resistor.
echo in > direction
| The Following 5 Users Say Thank You to kimmoli For This Useful Post: | ||
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2014-02-05
, 18:57
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Posts: 562 |
Thanked: 2,744 times |
Joined on Dec 2013
@ Espoo, Finland
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#6
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Added quick GPIO control to the i2ctool
| The Following 5 Users Say Thank You to kimmoli For This Useful Post: | ||
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2014-02-13
, 08:53
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Posts: 562 |
Thanked: 2,744 times |
Joined on Dec 2013
@ Espoo, Finland
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#8
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Gen 2 pcb just arrived
| The Following 5 Users Say Thank You to kimmoli For This Useful Post: | ||
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2014-02-13
, 12:04
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Posts: 123 |
Thanked: 268 times |
Joined on Dec 2009
@ Helsinki, Finland
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#9
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Very much appreciated. I have just ordered a set of these. if I can invest the time for tinkering, I will report back with anything I am able to discover.
Most of the time I'm just a wanna be tinkerer, but I have 3 Jollas waiting for my itching fingers...
Most of the time I'm just a wanna be tinkerer, but I have 3 Jollas waiting for my itching fingers...
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2014-02-20
, 10:11
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Posts: 12 |
Thanked: 24 times |
Joined on Feb 2014
@ Espoo, Finland
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#10
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Any chance you have any extra ones to sell? I would rather buy just 1 and not 3. I live in espoo too so if you're willing to sell one we can meetup.
NOTICE:
Devaamo has lots of unassembled myhalf PCBs (maybe some component-kits too).
Please approach them if you need only one (or two)
Clip to attach Devaamo board (0.8mm) can be printed from this STL file:
https://github.com/kimmoli/myhalf/bl...-clip-08mm.stl
NEW Devaamo modified design V1.20 in my github now
https://github.com/kimmoli/devaamoMyhalf
The tool for probing and debugging I2C bus of Jolla.
Installer package: Download here
Source code: github
I2C addressing used is the correct 7-bit (so don't mind the read/write bit)
If you start i2ctool from command line, it provides messages also there.
Last edited by kimmoli; 2014-04-07 at 13:49.