[U(S)ART] hardware flow control support #1634
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void setRts(_rts); void setCts(_cts); void setRtsCts(_rts, _cts); These APIs accept either uint32_t pin number or PinName.
ScreenshotsCTS controlThe external devices's RTS signal (STM32's CTS input) rises every 4 characters, and the STM32 stops transmitting. (460800bps)
RTS controlDisable the STM32's RX interrupt every 10 character reception, and the RTS signal keeps HIGH while stopping receiving. (460800bps)
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fpistm
reviewed
Jan 31, 2022
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Fixes #394 |
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Summary
Add hardware flow control configuration APIs for U(S)ART. (list item of #1418)
You can enable flow control on RTS/CTS separately, or enable both.
These APIs accept either uint32_t pin number or PinName.
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