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Added by Mary Frantz about 12 years ago

I am a linux newbie and have gotten as far as "Hello World" and "Hello DSP".

Is there any documentation for the functions that can be called from an application, like a programmer's reference? For this particular distribution? and for the hardware drivers for this particular board (Industrial I/O)?

I need information for the following tasks:

Set CPU speed to 456 MHz. Yes, I saw the wiki entry "echo 456000> /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed " but this is not permanent. Can this be done with bootargs? or at run time? I just need to set it at startup.

Create a TCP/IP socket, listen, connect, read, write, etc.

Create a task, use semaphores.

Configure hardware, mostly through SPI ports (probably in the FPGA).

Save/retrieve persistent parameters to flash.

Are there any examples?

Thanks,
Mary


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