Get Firmware String

Trying to get the firmware version from a SA44B. Spike says it is 2.12. I must be doing something wrong….

I’m using C# and this code, but I’m only getting Zeros:

 public static string saGetFirmwareString(int device)
    {
        char[] firmware_version = new char[16];
        if (saGetFirmwareString(device, firmware_version) == saStatus.saNoError)
            return new string(firmware_version);
        return "";
    }

 [DllImport("sa_api.dll", CallingConvention = CallingConvention.Cdecl)]
    public static extern saStatus saGetFirmwareString(int device, char[] version);

Hello Mallaug,

Since Spike also uses the API to retrieve the firmware string and is working for you, it would lead me to believe the issue is probably in the C# interop.

Hopefully someone here has enough C# experience to answer your question. You might also try searching online with search terms like “PInvoke char pointer parameter” or similar. It seems to bring up a lot of relevant results.

Regards,
Andrew

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