On Sat, Feb 18, 2017 at 8:35 AM, Maarten Brock <m.brock@xxxxxxxxxxxxx> wrote: > So setting the SER_RS485_RTS_ON_SEND flag sets CTS_B active high during > send. Yes, correct. > And setting the SER_RS485_RTS_AFTER_SEND flag sets CTS_B active low after > send ? No, when SER_RS485_RTS_AFTER_SEND is cleared, the CTS_B is low after send. > > I don't get it. First, isn't CTS an input instead of an output? On i.MX CTS is an output. I know this sounds confusing and I will submit a readme entry about it to help clarify it. > And if I follow this through and want CTS_B high during a transmit only then > I > must set both SER_RS485_RTS_ON_SEND and SER_RS485_RTS_AFTER_SEND. In this case you need: SER_RS485_RTS_ON_SEND set SER_RS485_RTS_AFTER_SEND cleared. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
