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GSoC Project Report: VGA capture expansion board for HDMI2USB on Digilent Atlys

GSoC Project Report: VGA capture expansion board for HDMI2USB on Digilent AtlysGSoC Result SummaryOriginal GoalsThe goal of this project was to develop a VGA Capture expansion board for HDMI2USB on...

Aug 30, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Monday, 18th August 2014:Tested VGA Capture code using Rev02 PCB.My initial code (non-FIFO implementation) is working excellent!But ironically, the FIFO implementation is not working on new PCB! Originally posted on...

Aug 18, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Sunday, 17th August 2014: Soldered the remaining components like Bypass caps and VHDCI connector.IC is responding to I2C Hurray! :) Originally posted on Dreams eXtrinsic

Aug 17, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Monday, 11th August, 2014:Tried using replacing the IC on assembled PCB from my spare AD9984A IC. In the process a pad on PCB got broken! :( Will have to do...

Aug 13, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Sunday, 10th August, 2014:Assembling completed. One PCB got damaged, due to its pad getting broken. (Either the PCB is slightly delicate or I’ve forgotten my soldering techniques :/ )Power supplies...

Aug 10, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Saturday, 9th August 2014:Received the PCBs! Went shopping for some out-of-stock passives for assembling the PCBs. 10nf, 100nf, 22uF and 47uF SMD caps and 4.7K SMD resistorsStarted assembling a PCB...

Aug 9, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Friday, 8th August 2014:Went to college. Wasn’t able to do any work Originally posted on Dreams eXtrinsic

Aug 8, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Thursday, 7th August 2014:Went to college. Wasn’t able to do any work Originally posted on Dreams eXtrinsic

Aug 7, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Wednesday, 6th August 2014:Went to college. Wasn’t able to do any work. Originally posted on Dreams eXtrinsic

Aug 6, 2014 • Rohit (VGA Extension)
[GSoC Weekly Overview]

This week although started great, ended becoming most unsatisfactory and least productive week of my GSoC duration!I2C & VGA CaptureAs mentioned in previous weekly overview, PCBs, have been sent for...

Aug 5, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Sunday, 3rd August 2014:Simulating the 2-FIFO implementation. Problem in switching FIFO. Will have to look at code againUpdate: Okay. It was the testbench’s fault;  never lowered down the reset! Silly...

Aug 3, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Saturday, 2nd August, 2014:Completed assignment, went to college for its submission Originally posted on Dreams eXtrinsic

Aug 2, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Friday, 1st August, 2014:Did the pending college assignment Originally posted on Dreams eXtrinsic

Aug 1, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Thursday, 31st July 2014:Worked on 2-FIFO implementation Originally posted on Dreams eXtrinsic

Jul 31, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]: Fixed I2C Problems in VHDL

Wednesday, 30th July 2014:Fixed I2C problem with code. Also, tried I2C using Picoblaze softcore processor. Seems good. Uses similar resources. Originally posted on Dreams eXtrinsic

Jul 30, 2014 • Rohit (VGA Extension)
[GSoC Weekly Overview]: PCB sent for Fab!

The biggest news of this week was PCB being sent for Fab to Hackvana!Here is the design sent to Fab: http://gerblook.org/pcb/JB6z7ixXL2hbVSKhU6CjCkKiCad Design files are on the repository: https://github.com/rohit91/HDMI2USB-vmodvgaPictures:Front:PCB FrontBack:  PCB...

Jul 29, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]

Saturday, 26th July 2014:Felt unwell. (Maybe due to drinking chilled water in monsoons? This one gets added to my ‘Things to avoid’ list). Slept a lot. Originally posted on Dreams...

Jul 26, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]:

Thursday, 24th July 2014:Looked on various ways to do length-matching. Tried Freerouter. Unsuccessful. Patched KiCad’s source with code from https://bugs.launchpad.net/kicad/+bug/594089. Compilation (make clean)  failed 3 times. Succeeded on last try....

Jul 24, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]:

Wednesday, 23rd July 2014:PCB Design started from scratch. Changed components placement, PCB dimensions, and layout. Initial routing 40% done. Without length-matching.Fixed some issues listed on github Originally posted on Dreams...

Jul 23, 2014 • Rohit (VGA Extension)
[GSoC Weekly Overview]: PCB!

This week was all about PCBs. Although I did work first 2 days of the week on VGA Capture code, but once the components ordered from Mouser arrived, I had...

Jul 22, 2014 • Rohit (VGA Extension)
[GSoC Daily Log]:

Monday, 21st July 2014:PCB Routing complete. Ready for review. Some minor changes & tweaks may be done before sending for Fab. Github Originally posted on Dreams eXtrinsic

Jul 21, 2014 • Rohit (VGA Extension)