AMBA PL011 UART DRIVER

FYI, we use libbt to connect to the Broadcom-based bluetooth device. After modifying the uart clock in cmdline. Any help would be very much appreciated! 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. Find More Posts by smallpond.

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View LQ Wiki Contributions. Separating amba-pl device driver from linux kernel. Linux – Kernel This forum is for all discussion relating to the Linux kernel. All times are GMT Now if I cat the device file, I get the expected output. The oscilloscope reveals that RTS is set to active i. Click Here to receive this Complete Guide absolutely free.

I’ve also been able to pass the 9th bit on the output data, but so far it has not appeared useful. Registration is quick, simple and absolutely free. The time now is They hope these examples will help you to get a better ll011 of the Linux system and that you feel encouraged to try out things on your own.

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This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant.

By combining these techniques you can ignore up to two junk bits before the stop bit. Visit the following links: Board index All times are UTC. This is the relevant part of ambq Have you turned on crtscts?

serial: amba-pl Add basic rs support – Patchwork

Find More Posts by smallpond. By basically taking the software delay designed to skip the stop bit and multiplying by 2, I can ignore the 9th bit. Are you new to LinuxQuestions. I read that the pl uart can possibly do 2 stop bits, but it appears that maybe that isn’t readily available on the GPIO pins without some amga hacking?

I can always fall aurt on the arduino “software serial” interface method, but it would be nice to be able to interface directly through the pi with a simple C program or perl script.

In other words, RTS signal comes too late. We use kernel 3. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Could you guide me to the correct lines in the driver code to add delay?

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Note that registered members see fewer ads, and ContentLink is completely disabled once you log in. I’ve got it working now. Dear all, I hope you can help me. Join our community today!

CONFIG_SERIAL_AMBA_PL011: ARM AMBA PL011 serial port support

Open Source Consulting Domain Registration. This thread discusses non standard baud rates by adjusting the UART clock.

BB code is On. Any help would be very much appreciated! Find More Posts by Michael It does not appear to be a problem if the stop bits received are at the wrong level.