apollo_fpga: Add optional timeout to `ApolloDebugger._find_device`

greatscottgadgets / apollo

microcontroller-based FPGA / JTAG programmer

BSD 3-Clause "New" or "Revised" License

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apollo_fpga: Add optional timeout to `ApolloDebugger._find_device` #106

Closed mndza closed 1 month ago

mndza commented 2 months ago

As PyUSB does not provide a way to wait for a device, we simulate it with periodic sleeps. If we move to libusb1 at some point we can get rid of this.

Fixes greatscottgadgets/cynthion#142.