Hi Stuart, Le Thu, 17 Jul 2014 15:51:37 +1000, Stuart Longland <[email protected]> a écrit : > Not sure if this is the place to ask or not, I'm currently in search for > the upstream project that looks after the i.MX port of the mainline > Linux kernel. > > We're busy building a device for polling energy meters over RS-485, and > one of my colleagues asked if it were possible to use the activity LED > on the unit to indicate RS-485 activity. > > Presently, I use it to indicate mmc0 activity. I'm not sure if there's > an equivalent for serial ports. > > I did a bit of searching, both for general purpose serial triggers > through to auart-related triggers, nothing seemed to show up. > you're right and you will need to add a serial leg trigger and the right hooks in the driver or the serial core depending the information you want to show on the leds.
> On a related note, the FlexCAN driver supports turning on/off regulators > when someone brings up or down a CAN interface. Is there an equivalent > facility on mxs-auart that would turn on a regulator when someone opens > a serial port? > you need to add the right hooks in the serial driver similar to what is done in the CAN driver. Best regards, Eric -- _______________________________________________ meta-freescale mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-freescale
