hyperion.ng/libsrc/leddevice/LedDevicePiBlaster.h
redPanther d6a34edfb2 Leddevice refactoring the next part (#253)
* add general switchOff

* refactoring of leddevices regarding ledcount and switchoff

* remove obsolete includes
2016-09-23 08:49:22 +02:00

56 lines
1.2 KiB
C++

#pragma once
// Hyperion-Leddevice includes
#include <leddevice/LedDevice.h>
class LedDevicePiBlaster : public LedDevice
{
public:
///
/// Constructs specific LedDevice
///
/// @param deviceConfig json device config
///
LedDevicePiBlaster(const Json::Value &deviceConfig);
virtual ~LedDevicePiBlaster();
///
/// Sets configuration
///
/// @param deviceConfig the json device config
/// @return true if success
bool setConfig(const Json::Value &deviceConfig);
/// constructs leddevice
static LedDevice* construct(const Json::Value &deviceConfig);
///
/// Attempts to open the piblaster-device. This will only succeed if the device is not yet open
/// and the device is available.
///
/// @return Zero on succes else negative
///
int open();
private:
///
/// Writes the colors to the PiBlaster device
///
/// @param ledValues The color value for each led
///
/// @return Zero on success else negative
///
int write(const std::vector<ColorRgb> &ledValues);
/// The name of the output device (very likely '/dev/pi-blaster')
std::string _deviceName;
int _gpio_to_led[64];
char _gpio_to_color[64];
/// File-Pointer to the PiBlaster device
FILE * _fid;
};