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xobs | mithro: I was planning to use the pll from the Raspberry Pi's 19.2 MHz clock. Which is another useful test. | 00:19 |
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mithro | tannewt: Any thoughts on https://github.com/adafruit/usb_descriptor ? | 02:17 |
tpb | Title: GitHub - adafruit/usb_descriptor: Python library for generating USB Descriptor byte strings using `struct` only. (at github.com) | 02:17 |
tannewt | I moved the example | 02:18 |
tannewt | https://github.com/adafruit/circuitpython/blob/master/tools/gen_usb_descriptor.py | 02:18 |
tpb | Title: circuitpython/gen_usb_descriptor.py at master · adafruit/circuitpython · GitHub (at github.com) | 02:18 |
mithro | tannewt: Was looking for a quick way to generate the data for these USB packets... | 02:19 |
tannewt | I'd suggest getting the tinyusb example going | 02:21 |
tannewt | unless you are trying to do it from python | 02:21 |
mithro | tannewt: I need something for in the python test bench | 02:21 |
tannewt | ah, then that should work | 02:21 |
mithro | tannewt: Well, I'm currently construction the bytes by hand, so ya know it might be easier to use something like this :-P | 02:23 |
tannewt | definitely | 02:23 |
mithro | CarlFK[m]: I noticed this yesterday -> https://photos.app.goo.gl/NcKCrtWAdSfc7TBE6 | 02:53 |
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CarlFK | mithro: should I bring a little sheet mettle nibbler ? | 04:53 |
mithro | CarlFK: maybe... | 04:54 |
* CarlFK[m] uploaded an image: VectorImage_2018-11-19_105459.jpg (3549KB) < https://matrix.org/_matrix/media/v1/download/matrix.org/qcfSKMkIIMJGbfZNmEvtBAAG > | 05:01 | |
CarlFK | mithro: do you think that tool will be ok cutting opsis case? | 05:01 |
CarlFK | and if we break it, will you buy PS1 a new nibbler? | 05:02 |
CarlFK | im off to burito house | 05:58 |
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xobs | Fun fact about the ICE40: The "SPI_SI" and "SPI_SO" pins swap assignments when you treat it as a slave. Kind of obvious in retrospect, but it means I'll need to bitbang SPI on the Raspberry Pi, because now I need to send data out the "MOSI" pin (to talk to the SPI flash), as well as the "MISO" pin (to talk to the ICE40 when it's in slave mode). | 12:24 |
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cr1901_modern | xobs: The SI pin is always the "Serial In" pin. And SO pin is always the "Serial Out" pin. Only way it makes sense for me :P. | 15:11 |
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