On July 8, 2008 11:53:32 am Chris Doré wrote:
> I'd probably just add an IOCTL allowing the feature to be enabled/disabled
> by an app. You may have to worry about other code touching that register
> and wiping out your RTSTX bit, depending on if that code blindly writes
> values to the reg or if it caches/read-writes it.
That is the exact correct way to do it. I did not do it quite so nicely. :-)
in transmit_chars() of mcfserial.c, I hack it in thusly:
if (info->x_char) {
// ABK: assert RTS, transmitter should turn it off automatically when !CRTSCTS
uartp[MCFUART_UOP1] = MCFUART_UOP_RTS;
-A.
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