davids5 opened a new pull request #2471:
URL: https://github.com/apache/incubator-nuttx/pull/2471
## Summary
- Updated to Apache License
- imxrt:imxrt_lowputc Fixed parity settings.
imxrt UART must be placed in 9 bit mode (M=1) with when 8 bit
data with parity is required. If left in 8 bit mode (M=0) with
parity then D7 of the TX/RX register becomes parity bit. Hence
what is called 9-bit or 8-bit Mode Select is a misnomer.
8 bit mode when parity is enabled is realy 7 bit with parity.
- imxrt:serial support single-wire mode
## Impact
We loose our individual attribution.
The LPUARTs will work correctly when parity is set to O or E.
None: The LPUARTs will support single wire mode now. But the defeult is
IMXRT_LPUART_SINGLEWIRE off.
## Testing
nxp_fmurt1062-v1 rev B. Using PX4 SBUS.
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