Squishy Rev1 Bootloader

class squishy.gateware.bootloader.rev1.Rev1(*args: Any, src_loc_at: int = 0, **kwargs: Any)

Parameters:

fifo (AsyncFIFO | None) – The storage FIFO.

Variables:

• trigger_reboot (Signal) – Input: FPGA reboot trigger from DFU.

• slot_selection (Signal(2)) – Input: Flash slot destination from DFU alt-mode.

• dl_start (Signal) – Input: Start of a DFU transfer.

• dl_finish (Signal) – Input: An acknowledgement of the dl_done signal

• dl_ready (Signal) – Output: If the backing storage is ready for data.

• dl_done (Signal) – Output: When the backing storage is done storing the data.

• dl_size (Signal(16)) – Input: The size of the DFU transfer into the the FIFO

• slot_changed (Signal) – Input: Raised when the DFU alt-mode is changed.

• slot_ack (Signal) – Output: When the slot_changed signal was acted on.