Method Init

cpp/hal/sbc_version.cpp:77–107

--------------------------------------------------------------------------- Determine which version of single board computer (Pi) is being used based upon the device tree model string. ---------------------------------------------------------------------------

//
//---------------------------------------------------------------------------
void SBC_Version::Init()
{
    ifstream input_stream(SBC_Version::m_device_tree_model_path);

    if (input_stream.fail()) {
#if defined(__x86_64__) || defined(__X86__)
        // We expect this to fail on x86
    	spdlog::warn("Detected " + GetAsString());
        sbc_version = sbc_version_type::sbc_unknown;
        return;
#else
        spdlog::error("Failed to open " + SBC_Version::m_device_tree_model_path + ". Are you running as root?");
        throw invalid_argument("Failed to open /proc/device-tree/model");
#endif
    }

    stringstream str_buffer;
    str_buffer << input_stream.rdbuf();
    const string device_tree_model = str_buffer.str();

    for (const auto& [key, value] : proc_device_tree_mapping) {
    	if (device_tree_model.starts_with(key)) {
    		sbc_version = value;
    		spdlog::info("Detected " + GetAsString());
    		return;
    	}
    }

    sbc_version = sbc_version_type::sbc_raspberry_pi_4;
    spdlog::error("Unable to determine single board computer type. Defaulting to Raspberry Pi 4");
}

bool SBC_Version::IsRaspberryPi()
{