Linux – Kernel This forum is for all discussion relating to the Linux kernel. Join our community today! Introduction to Linux – A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. All times are GMT Have you turned on crtscts?

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Separating amba-pl device driver from linux kernel. You are currently viewing LQ as a guest.

Linux Kernel Driver DataBase: CONFIG_SERIAL_AMBA_PL ARM AMBA PL serial port support

By basically taking the software delay designed to skip the stop bit and multiplying by 2, I can ignore the 9th bit. Click Here to receive this Complete Guide absolutely free.

For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. Select all [ 0. Find More Posts by smallpond. Could you guide me to the correct lines in the driver code to add delay? Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.


We developed a customized hardware board based on an ARM processor. This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant. Is there any chance to add a short delay to the driver e.

After modifying the uart clock in cmdline. I’ve already read that by modifying one of the system clocks, the baud rate can be changed to something non standard. RTS seems to yart too late. Visit the following links: Dear all, I hope you can help me. Board index All times are UTC.

I’ve also been able uatt pass the 9th bit on the output data, but so far it has not appeared useful. The oscilloscope reveals that RTS is set to active i. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.


CONFIG_SERIAL_AMBA_PL011: ARM AMBA PL011 serial port support

By combining these techniques you can ignore up to two junk bits before the stop bit. We use kernel 3. View LQ Wiki Contributions. Registration is quick, simple and absolutely free. Any help would be ambs much appreciated!

9 bit serial – Raspberry Pi Forums

This is the relevant part of libbt: FYI, we use libbt to connect to the Broadcom-based bluetooth device. Join our community today! Linux Power User Bundle. It does not appear to be a problem if the stop bits received are at the wrong level. Having a problem logging in? I’ve got it working now. Flow control none is not working as expected after we change flow control software. The interrupt bit appears after ambs 8 bits of data, but before the stop bit.