AMBA PL011 UART DRIVER

Dear all, I hope you can help me. 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. Is there any chance to add a short delay to the driver e. Flow control none is not working as expected after we change flow control software. In other words, RTS signal comes too late. I’ve got it working now. Have you turned on crtscts?

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Any help would be very much appreciated! Find More Posts by smallpond.

Registration is quick, simple and absolutely free. 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. Are you new to LinuxQuestions. This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant. Let me explain the background: Have you turned on crtscts?

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Separating amba-pl device driver from linux kernel. It does not appear to be a problem if the stop bits received are at the wrong level. I can always fall back 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. Visit the following links: BB code is On. Linux Power User Bundle.

9 bit serial – Raspberry Pi Forums

In other words, RTS signal comes too late. Note that registered members see fewer ads, and ContentLink is completely disabled once you log in. View LQ Wiki Contributions. Please visit this page to clear all LQ-related cookies. The required hardware flow control is causing headaches. The oscilloscope reveals that RTS is set to active i.

We developed a customized hardware board based on an ARM ambaa. By combining these techniques you can ignore up to two junk bits before the stop bit. 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.

Flow control none is not working as expected after we change flow control software. If you need to reset your password, click here. All times are GMT Is there any chance to add a short delay to the driver e. This is the relevant part of libbt: Board index All times are UTC.

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CONFIG_SERIAL_AMBA_PL011: ARM AMBA PL011 serial port support

I’ve already read that by modifying one of the system clocks, the baud rate can be changed to something non standard. Linux – Kernel This forum is for all discussion relating to the Linux kernel. Wmba are currently viewing LQ as a guest.

Open Source Consulting Domain Registration. I’ve got it working now. 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 serious hacking? I’ve also been able to pass the urat bit on the output data, but so far it has not appeared useful. Find More Posts by Michael