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<_whitenotifier-3> [glasgow] electroniceel synchronize pull request #159: Add applet gpio.pca953x - https://git.io/JeG5u
<_whitenotifier-3> [glasgow] electroniceel commented on pull request #159: Add applet gpio.pca953x - https://git.io/Jv2ey
<_whitenotifier-3> [glasgow] electroniceel opened issue #187: applet.interface.i2c_initiator: timeout & error message when SCL stuck low - https://git.io/Jv2vC
<hl> can Glasgow emulate SPI flashes?
<electronic_eel> hl: the current Glasgow revisions don't have enough ram for that
<hl> ah
<electronic_eel> spi flash emulation means there is some other spi master that is driving the clock, your emulator has to be fast enough to answer in that clock time
<hl> yeah
<electronic_eel> even if you have enough ram, timing can become quite tight
* jn__ mentions https://github.com/osresearch/spispy in case hl doesn't know it yet
<tnt> hl: do you know what your master clock is ?
<hl> let's say at most 20MHz
<hl> trouble is, size would be probably 64 or 128M
<tnt> And you need to change the content dynamically ?
<electronic_eel> what do you want to accomplish? quickly change contents without rewiring?
<tnt> if most of it is constant you could potentially pass through most of it and just change some stuff.
<hl> Was thinking it would be convenient for development, yeah. Not a big deal, I can use other means than SPI emulation
<hl> Was wondering if SPI emulation was becoming more accessible
<electronic_eel> I was already thinking of creating a mux addon for glasgow - a mux for 4 pins and glasgow port pins go to both sides
<electronic_eel> you would stick a matching flash or eeprom behind the mux and would be able to program it from glasgow when the mux is off
<electronic_eel> would require that you have one sample of the flash/eeprom you want to emulate though
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<gruetzkopf> https://gruetzkopf.org/screenshot/Bildschirmfoto%20zu%202020-03-01%2022-45-17.png what exactly did the TI people smoke when building their usb core
<gruetzkopf> (ti cc2531 / cc2540 LS/FS usb core)