Ian Lepore 5508dc2afe Make PPS ASSERT/CLEAR events match the RS-232 signal levels as per RFC 2783. ... Previously the polarity was for TTL levels, which are the reverse of RS-232. Also add handling of the UART_PPS_INVERT_PULSE option bit in the sysctl value, the same as was recently added to uart(4), so that people using TTL level connections can request a logical inverting of the signal. Use the named constants from the new dev/uart/uart_ppstypes.h for the pps capture modes and option bits.		2016-01-17 21:19:45 +00:00
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u3g.c
uark.c
ubsa.c
ubser.c
uchcom.c
ucycom.c
ufoma.c
uftdi_reg.h
uftdi.c
ugensa.c
uipaq.c
ulpt.c
umcs.c
umcs.h
umct.c
umodem.c
umoscom.c
uplcom.c
usb_serial.c	Make PPS ASSERT/CLEAR events match the RS-232 signal levels as per RFC 2783.	2016-01-17 21:19:45 +00:00
usb_serial.h
uslcom.c
uvisor.c
uvscom.c