Added Raw HID device

Former-commit-id: bd36530b6b63959ee4d83693e396cbb0af70ddb3
This commit is contained in:
NicoHood 2015-11-08 16:31:18 +01:00
parent 4d80fcb0f3
commit 29d3209d7d
4 changed files with 125 additions and 0 deletions

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@ -18,6 +18,8 @@ SET(Leddevice_QT_HEADERS
${CURRENT_SOURCE_DIR}/LedDeviceAdalightApa102.h
${CURRENT_SOURCE_DIR}/LedDeviceAmbiLed.h
${CURRENT_SOURCE_DIR}/LedDevicePhilipsHue.h
${CURRENT_SOURCE_DIR}/LedHIDDevice.h
${CURRENT_SOURCE_DIR}/LedDeviceRawHID.h
)
SET(Leddevice_HEADERS
@ -39,10 +41,12 @@ SET(Leddevice_SOURCES
${CURRENT_SOURCE_DIR}/LedDeviceFactory.cpp
${CURRENT_SOURCE_DIR}/LedRs232Device.cpp
${CURRENT_SOURCE_DIR}/LedHIDDevice.cpp
${CURRENT_SOURCE_DIR}/LedDeviceAdalight.cpp
${CURRENT_SOURCE_DIR}/LedDeviceAdalightApa102.cpp
${CURRENT_SOURCE_DIR}/LedDeviceAmbiLed.cpp
${CURRENT_SOURCE_DIR}/LedDeviceRawHID.cpp
${CURRENT_SOURCE_DIR}/LedDeviceLightpack.cpp
${CURRENT_SOURCE_DIR}/LedDeviceMultiLightpack.cpp
${CURRENT_SOURCE_DIR}/LedDevicePaintpack.cpp

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@ -23,6 +23,7 @@
#include "LedDeviceAdalight.h"
#include "LedDeviceAmbiLed.h"
#include "LedDeviceRawHID.h"
#include "LedDeviceLightpack.h"
#include "LedDeviceMultiLightpack.h"
#include "LedDevicePaintpack.h"
@ -147,6 +148,21 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
device = deviceTinkerforge;
}
#endif
else if (type == "rawhid")
{
const int delay_ms = deviceConfig["delayAfterConnect"].asInt();
auto VendorIdString = deviceConfig.get("VID", "0x2341").asString();
auto ProductIdString = deviceConfig.get("PID", "0x8036").asString();
// Convert HEX values to integer
auto VendorId = std::stoul(VendorIdString, nullptr, 16);
auto ProductId = std::stoul(ProductIdString, nullptr, 16);
LedDeviceRawHID* deviceHID = new LedDeviceRawHID(VendorId, ProductId, delay_ms);
deviceHID->open();
device = deviceHID;
}
else if (type == "lightpack")
{
const std::string output = deviceConfig.get("output", "").asString();

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@ -0,0 +1,57 @@
// STL includes
#include <cstring>
#include <cstdio>
#include <iostream>
// Linux includes
#include <fcntl.h>
#include <sys/ioctl.h>
// hyperion local includes
#include "LedDeviceRawHID.h"
// Use feature report HID device
LedDeviceRawHID::LedDeviceRawHID(const unsigned short VendorId, const unsigned short ProductId, int delayAfterConnect_ms) :
LedHIDDevice(VendorId, ProductId, delayAfterConnect_ms, true),
_ledBuffer(0),
_timer()
{
// setup the timer
_timer.setSingleShot(false);
_timer.setInterval(5000);
connect(&_timer, SIGNAL(timeout()), this, SLOT(rewriteLeds()));
// start the timer
_timer.start();
}
int LedDeviceRawHID::write(const std::vector<ColorRgb> & ledValues)
{
// Resize buffer if required
if (_ledBuffer.size() < ledValues.size() * 3) {
_ledBuffer.resize(3 * ledValues.size());
}
// restart the timer
_timer.start();
// write data
memcpy(_ledBuffer.data(), ledValues.data(), ledValues.size() * 3);
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}
int LedDeviceRawHID::switchOff()
{
// restart the timer
_timer.start();
// write data
std::fill(_ledBuffer.begin(), _ledBuffer.end(), uint8_t(0));
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}
void LedDeviceRawHID::rewriteLeds()
{
writeBytes(_ledBuffer.size(), _ledBuffer.data());
}

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@ -0,0 +1,48 @@
#pragma once
// STL includes
#include <string>
// Qt includes
#include <QTimer>
// hyperion include
#include "LedHIDDevice.h"
///
/// Implementation of the LedDevice interface for writing to an RawHID led device.
///
class LedDeviceRawHID : public LedHIDDevice
{
Q_OBJECT
public:
///
/// Constructs the LedDevice for attached RawHID device
///
LedDeviceRawHID(const unsigned short VendorId, const unsigned short ProductId, int delayAfterConnect_ms);
///
/// Writes the led color values to the led-device
///
/// @param ledValues The color-value per led
/// @return Zero on succes else negative
///
virtual int write(const std::vector<ColorRgb> & ledValues);
/// Switch the leds off
virtual int switchOff();
private slots:
/// Write the last data to the leds again
void rewriteLeds();
private:
/// The buffer containing the packed RGB values
std::vector<uint8_t> _ledBuffer;
/// Timer object which makes sure that led data is written at a minimum rate
/// The RawHID device will switch off when it does not receive data at least
/// every 15 seconds
QTimer _timer;
};