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litex_term: keep and reduce inter-frame delay to 1e-5. 

Removing it completely would require revisiting the gateware/firmware code of the
UART. Since this is use for test purpose only and already allow > 600KB/s upload
speed, keeping it is acceptable.
This commit is contained in:
Florent Kermarrec 2020-06-23 17:20:12 +02:00
parent 64589cfd2b
commit 309eda4246
1 changed files with 1 additions and 1 deletions
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litex/tools/litex_term.py
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@ -224,7 +224,7 @@ class LiteXTerm:
current_address += len(frame_data) current_address += len(frame_data)
position += len(frame_data) position += len(frame_data)
remaining -= len(frame_data) remaining -= len(frame_data)
time.sleep(1e-4) # FIXME: small delay needed with FT245 FIFO ("usb_fifo"), understand why. time.sleep(1e-5) # Inter-frame delay for fast UARTs (ex: FT245).
end = time.time() end = time.time()
elapsed = end - start elapsed = end - start
f.close() f.close()