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Function rc_pru_start

Function Documentation

int rc_pru_start(int ch, const char *fw_name)

Starts a single specified PRU core running a provided firmware name.

This function requires root privileges and your custom firmware must exist in “/lib/firmware/”. The default name for the two firmwares are “am335x-pru0-fw” and “am335x-pru1-fw”, please don’t overwrite these if they exist. Name your firmware image something like “am335x-pru0-mycustom-fw”.

Parameters

  • ch – [in] pru core to start (0 or 1)

  • fw_name – [in] The firmware image name, e.g. “am335x-pru0-fw”, do not include ‘/lib/firmware’ in the path, only the file name.

Returns

0 on success, -1 on failure.