RISCY BUSINESS - Day 2: Getting the HiFive1 Working





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Published on Dec 28, 2016

Livestream: https://twitch.tv/miotatsu
Archive: http://riscy.tv
Schedule: http://twitter.com/hmn_riscy
Support the series: http://patreon.com/miotatsu

0:06 Recap and set the stage for the day
1:36 Consult the HiFive1 forums: https://forums.sifive.com/t/arch-linu...
4:02 Determine to switch the IOREF jumper to 5v
4:57 Show the HiFive1 Founders Edition
5:42 Plug in the HiFive1 and consult lsusb and dmesg to see errors
7:09 Disconnect the HiFive1 and move the IOREF jumper to 5v
8:06 Plug it back in and again consult lsusb and dmesg
9:04 Try it in a different USB port
9:24 I'm just going to unplug my mouse
9:53 Show the HiFive1 running a program
11:13 Chat comment: "It's confirmed: unplugging our mice solves all our problems"
12:34 Consult lsusb to see our HiFive1 showing up
12:48 Chat comment: "Haha, yeah. You now have a tablet for drawing, though"
13:35 Run screen on /dev/ttyUSB1 and see a blank window
14:09 Consult the documentation to see what we're supposed to see: https://dev.sifive.com/hifive1/hifive...
15:52 Investigate why we're not seeing what we should
18:50 Consider the possibility that it's still an issue with the USB port, and try a different one
19:30 Chat comment: "Do you need to press the "reset" button once you're screen'd into it?"
21:34 Chat comment: "That was also /dev/ttyUSB0. Did you also try /dev/ttyUSB1? (Apologies for not paying closer attention!)"
22:06 Try running screen on /dev/ttyUSB1 and pressing the reset button to see what happens
23:12 Play with the demo program
24:18 Plug the mouse back in and continue exploring the documentation
25:00 Chat comment: "if(Input == 'y') { printf("PASS");} else { printf("FAIL"); }"
25:21 Play with the demo program some more
26:06 I'm too giddy to do that
26:36 Clone the Freedom E SDK repo
27:47 Consider ordering the GinSing speech synthesis shield in order to read out the chat: http://www.ginsingsound.com/
31:39 What the HiFive1 supports
36:36 Chat comment: "So does "compressed" essentially mean you end up with smaller binaries?"
37:31 Consult the User-Level ISA Specification v2.1: https://riscv.org/specifications
42:32 Play 'DOG HEAVEN' by SNCKPCK and let in the dog: https://snckpck.bandcamp.com/track/do...
44:10 Return and let the song play to completion
46:58 Write the udev rules for the HiFive1
51:13 Chat comment: "Olimex debugger?"
52:10 Research the Olimex debugger
53:47 Research uucp vs plugdev
54:53 Chat comment: "Did you replug it after the udev change?"
55:37 Replug the HiFive1 to see if the udev rule takes effect
57:04 Chat comment: "I wonder if there's any reason not to just add ourselves to the uucp group..."
57:50 Chat comment: "¯\_(ツ)_/¯"
59:08 Find that we're still pulling in the Freedom E SDK, and call it a day with a glimpse into the future
1:00:45 Chat comment: "How about Hello, World! in Morse code?"

Annotated by Miblo - https://handmade.network/m/Miblo


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