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Oliver_I_Sedlacek's avatar
Oliver_I_Sedlacek
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2 years ago
Solved

Unhooking stdio from JTAG UART

In my world of deeply embedded real time systems stdin and stdout are more of a hinderance than a help, so I usually leave them as stubs. What I need instead is relatively low level access to UARTs s...
  • KellyJialin_Goh's avatar
    KellyJialin_Goh
    2 years ago

    Hi,

    Greetings and welcome to Intel's forum.


    The Intel-provided driver implements a HAL character-mode device driver that integrates into the HAL system library for Nios® II and Nios® V processors systems. HAL users should access the JTAG UART via the familiar HAL API and the ANSI C standard library, rather than accessing the JTAG UART registers. ioctl() requests are defined that allow HAL users to control the hardware-dependent aspects of the JTAG UART.

    As the HAL and JTAG UART are co-related, there is no way to separate both operations and carry out only one of the operations. Here is the link for more information on the JTAG UART IP core with software programming model for your reference: https://www.intel.com/content/www/us/en/docs/programmable/683130/21-4/software-programming-model-16085.html


    Hope this clarify your doubts.

    Thank you.


    Regards,

    Kelly



KellyJialin_Goh's avatar
KellyJialin_Goh
Icon for Frequent Contributor rankFrequent Contributor
2 years ago

Hi,

Any updates from your side? Is there any further help needed from my end?


Thank you.

Regards,

Kelly