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4 Commits
Author | SHA1 | Message | Date | |
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037f2dad72 |
tests: Update UART and SPI tests to work on Alif boards.
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Signed-off-by: Damien George <damien@micropython.org> |
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3f54e5dff2 |
tests/extmod: Support esp32,mimxrt,stm32,samd ports in UART TX test.
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Getting this test running on stm32- and mimxrt-based boards requires adding a small delay after constructing the UART so that the initial idle frame has time to be transmitted before the test starts. Also, the timing margin needs to account for an additional 1-bit worth of time on some MCUs. Thanks to @robert-hh for the esp32, mimxrt and samd settings. Signed-off-by: Damien George <damien@micropython.org> |
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97af1001ae |
rp2/machine_uart: Make it so TX is done only when no longer busy.
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Prior to this commit, when flushing a UART on the rp2 port, it returns just before the last character is sent out the wire. Fix this by waiting until the BUSY flag is cleared. This also fixes the behaviour of `UART.txdone()` to return `True` only when the last byte has gone out. Updated docs and tests to match. The test now checks that UART TX time is very close to the expected time (prior, it was just testing that the TX time was less than the expected time). Signed-off-by: Damien George <damien@micropython.org> |
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c41b421d48 |
tests/extmod/machine_uart_tx.py: Add a test for timing of UART.flush().
Currently only runs on rp2 but could be extended to run on other targets. Signed-off-by: robert-hh <robert@hammelrath.com> |