8000 tests/serial_test.py: Allow up to 2 seconds between bytes. · micropython/micropython@2762fe6 · GitHub
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tests/serial_test.py: Allow up to 2 seconds between bytes.
Only a problem when UART TX is also enabled and goes first (i.e. esp32 port) as sending 16384 bytes in one go triggers the timeout. This work was funded through GitHub Sponsors. Signed-off-by: Angus Gratton <angus@redyak.com.au>
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‎tests/serial_test.py‎

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -103,6 +103,11 @@ def read_test(ser_repl, ser_data, bufsize, nbuf):
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assert bufsize % 256 == 0 # for verify to work
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# how long to wait for data from device
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# (if UART TX is also enabled then it can take 1.4s to send
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# out a 16KB butter at 115200bps)
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READ_TIMEOUT_S = 2
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# Load and run the read_test_script.
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ser_repl.write(b"\x03\x01\x04") # break, raw-repl, soft-reboot
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drain_input(ser_repl)
@@ -121,7 +126,7 @@ def read_test(ser_repl, ser_data, bufsize, nbuf):
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while remain:
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t0 = time.monotonic_ns()
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while ser_data.inWaiting() == 0:
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if time.monotonic_ns() - t0 > 1e9:
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if time.monotonic_ns() - t0 > READ_TIMEOUT_S * 1e9:
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# timeout waiting for data from device
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break
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time.sleep(0.0001)

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