send_feature_report()

int MayaFlux::Core::HIDBackend::send_feature_report	(	uint32_t	device_id,
		std::span< const uint8_t >	data
	)

Send a feature report to a device.

Parameters

device_id	Target device
data	Report data (first byte is report ID)

Returns

Number of bytes sent, or -1 on error

Definition at line 359 of file HIDBackend.cpp.

{
    std::lock_guard lock(m_devices_mutex);
    auto it = m_open_devices.find(device_id);
    if (it == m_open_devices.end() || !it->second->handle) {
        return -1;
    }
    return hid_send_feature_report(it->second->handle, data.data(), data.size());
}

References m_devices_mutex, and m_open_devices.