hyperion.ng/libsrc/leddevice/LedDeviceLightpack.h
redPanther 5aac2be702 Leddevice refactoring the next next part (#263)
* switch rs232 provider to completly async transfer

* start of implementing a seperate init function for leddevices

* rename setconfig to init

* more fixes

* implement missing code

* fix code style

* remove debug  code

* remove  debug stuff

* set loglevel to original state
2016-10-08 08:14:36 +02:00

132 lines
2.8 KiB
C++

#pragma once
// stl includes
#include <cstdint>
// libusb include
#include <libusb.h>
// Hyperion includes
#include <leddevice/LedDevice.h>
///
/// LedDevice implementation for a lightpack device (http://code.google.com/p/light-pack/)
///
class LedDeviceLightpack : public LedDevice
{
public:
///
/// Constructs the LedDeviceLightpack
///
/// @param serialNumber serial output device
///
LedDeviceLightpack(const std::string & serialNumber = "");
///
/// Constructs specific LedDevice
///
/// @param deviceConfig json device config
///
LedDeviceLightpack(const Json::Value &deviceConfig);
///
/// Sets configuration
///
/// @param deviceConfig the json device config
/// @return true if success
bool init(const Json::Value &deviceConfig);
/// constructs leddevice
static LedDevice* construct(const Json::Value &deviceConfig);
///
/// Destructor of the LedDevice; closes the output device if it is open
///
virtual ~LedDeviceLightpack();
///
/// Opens and configures the output device
///
/// @return Zero on succes else negative
///
int open();
///
/// Writes the RGB-Color values to the leds.
///
/// @param[in] ledValues Array of RGB values
/// @param[in] size The number of RGB values
///
/// @return Zero on success else negative
///
int write(const ColorRgb * ledValues, int size);
///
/// Switch the leds off
///
/// @return Zero on success else negative
///
virtual int switchOff();
/// Get the serial of the Lightpack
const std::string & getSerialNumber() const;
/// Get the number of leds
int getLedCount() const;
private:
///
/// Writes the RGB-Color values to the leds.
///
/// @param[in] ledValues The RGB-color per led
///
/// @return Zero on success else negative
///
virtual int write(const std::vector<ColorRgb>& ledValues);
///
/// Test if the device is a (or the) lightpack we are looking for
///
/// @return Zero on succes else negative
///
int testAndOpen(libusb_device * device, const std::string & requestedSerialNumber);
/// write bytes to the device
int writeBytes(uint8_t *data, int size);
/// Disable the internal smoothing on the Lightpack device
int disableSmoothing();
struct Version
{
int majorVersion;
int minorVersion;
};
static libusb_device_handle * openDevice(libusb_device * device);
static std::string getString(libusb_device * device, int stringDescriptorIndex);
/// libusb context
libusb_context * _libusbContext;
/// libusb device handle
libusb_device_handle * _deviceHandle;
/// harware bus number
int _busNumber;
/// hardware address number
int _addressNumber;
/// device serial number
std::string _serialNumber;
/// firmware version of the device
Version _firmwareVersion;
/// the number of bits per channel
int _bitsPerChannel;
/// count of real hardware leds
int _hwLedCount;
};