hyperion.ng/libsrc/leddevice/LedDeviceTinkerforge.h
Bjoern Bilger 2b683fdfaa add support for tinkerforge
Former-commit-id: 8dbd3d915f70ace8d1b27602f0d76a2a546ac043
2014-03-04 20:38:54 +01:00

83 lines
1.7 KiB
C++

#pragma once
// STL includes
#include <cstdio>
// Hyperion-Leddevice includes
#include <leddevice/LedDevice.h>
extern "C" {
#include <tinkerforge/ip_connection.h>
#include <tinkerforge/bricklet_led_strip.h>
}
class LedDeviceTinkerforge : public LedDevice
{
public:
LedDeviceTinkerforge(const std::string &host, uint16_t port, const std::string &uid, const unsigned interval);
virtual ~LedDeviceTinkerforge();
///
/// Attempts to open a connection to the master bricklet and the led strip bricklet.
///
/// @return Zero on succes else negative
///
int open();
///
/// Writes the colors to the led strip bricklet
///
/// @param ledValues The color value for each led
///
/// @return Zero on success else negative
///
virtual int write(const std::vector<ColorRgb> &ledValues);
///
/// Switches off the leds
///
/// @return Zero on success else negative
///
virtual int switchOff();
private:
///
/// Writes the data to the led strip blicklet
int transferLedData(LEDStrip *ledstrip, unsigned int index, unsigned int length, uint8_t *redChannel, uint8_t *greenChannel, uint8_t *blueChannel);
/// The host of the master brick
const std::string _host;
/// The port of the master brick
const uint16_t _port;
/// The uid of the led strip bricklet
const std::string _uid;
/// The interval/rate
const unsigned _interval;
/// ip connection handle
IPConnection *_ipConnection;
/// led strip handle
LEDStrip *_ledStrip;
/// buffer for red channel led data
std::vector<uint8_t> _redChannel;
/// buffer for red channel led data
std::vector<uint8_t> _greenChannel;
/// buffer for red channel led data
std::vector<uint8_t> _blueChannel;
/// buffer size of the color channels
unsigned int _colorChannelSize;
};