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Elias Bakken avatarElias Bakken
This version is working, but still unstable. Making a tag for CircuitCo and others
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v0.1
Elias Bakken avatarElias Bakken
Finally the PRU is working for all steppers. I did a dry run before committing this and it seems promising. Need to change all stepper pins to Bank 1 for pcb rev 1 in order to speed up the toggle operations. Also, must start adding some queuing to the path planner to keep from stopping for every move and also calculate speed through corners
Elias Bakken avatarElias Bakken
Added a gerber ffor rev 1
Elias Bakken avatarElias Bakken
A working example of pru0 getting data from DDR. However, the amount of memory available is limited to 0x4000 Bytes, not nearly enough to have continous operation for 10 cm or more... How can more memory be made available? It seems that cat /sys/class/uio/uio0/maps/map2/size has a large chunk..
Elias Bakken avatarElias Bakken
Rendered new version using eagleUp
Elias Bakken avatarElias Bakken
Did some work on PCB rev 1, see changelog for details
Elias Bakken avatarElias Bakken
Cleaned up a bit. Adding data to the DDR and reading it back in the PRU now works, but when it tries to wrap at the end of the memory, it crashes...
Elias Bakken avatarElias Bakken
Fixed that annoying ascii art bug
Elias Bakken avatarElias Bakken
Merged in farmckon/replicape (pull request #1)
Far McKon avatarFar McKon
renamed folder misspelling for literature. Added BeagleBone as optional on Rev1 BOM
Elias Bakken avatarElias Bakken
A lot of work with managing PRU data, slicing up into manageble packages and braiding together for the case of two steppers in one PRU. All G1 commands now go through the path planner. There is an error with the position. Seems that on offset is added at certain times - screws up all prints.
Elias Bakken avatarElias Bakken
Worked a lot on integrating the PRU. Still not working correctly, need to feed the 'actual travelled' distance back to each path element, so the next path segment can add the error to its path..
Elias Bakken avatarElias Bakken
Did a lot of testing with the PRU. Acceleration is on test in the Replicape firmware,but still needs work. Must find a way to pre load paths, perhaps by chopping long runs up
Elias Bakken avatarElias Bakken
Semi working PyPRUSS
Elias Bakken avatarElias Bakken
Added a library for interfacing with the PRU with Python bindings
Elias Bakken avatarElias Bakken
Just a backup before moving on in the PRU interface
Elias Bakken avatarElias Bakken
Started working on a simple PRU interface for the steppers. Using a cmd, delay structure it should be easy to have each of the PRUs step the SMDs at predefined intervals.
Elias Bakken avatarElias Bakken
Commit before starting work on the PRU
Elias Bakken avatarElias Bakken
Cleaned up some of the G1-code, added microstepping as G-code M30
Elias Bakken avatarElias Bakken
Have tried a first print, but the results are not very good yet. This might be due to problems with the QU-BD extruder that a lot of other people are having trouble with. Ordered new heating element, so that will probably help once it arrives.
Elias Bakken avatarElias Bakken
Well, it seems to work with a test-cube (dry run). Must implement path planning so X and Y axis moves at the same time.
Elias Bakken avatarElias Bakken
All stepper OK, must fix PID and implement the remaining G and M codes. New temp charts for QU-BD thermistor and Makerbot MK4 thermistor
Elias Bakken avatarElias Bakken
Added new temp chart
Elias Bakken avatarElias Bakken
Working P controller and communication with Pronterface
Elias Bakken avatarElias Bakken
Hopefully working spidev2.0 and spidev2.1. Lot of work with setting up environment for kernel coding.
Elias Bakken avatarElias Bakken
Added an early eagleUp version of rev 1
Elias Bakken avatarElias Bakken
Added a capacitor to the board
Elias Bakken avatarElias Bakken
temperature reading script
Elias Bakken avatarElias Bakken
A lot of work on Rev 1 of the shcematic and layout. Still some DRC-issues. Also a pinout SVG
Elias Bakken avatarElias Bakken
cleaned up some code, added support for reading thermistors, but need a convertiontable to get readouts in degrees
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