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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| #include "LedDeviceAPA102_ftdi.h" | ||
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| #define LED_HEADER 0b11100000 | ||
| #define LED_BRIGHTNESS_FULL 31 | ||
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| LedDeviceAPA102_ftdi::LedDeviceAPA102_ftdi(const QJsonObject &deviceConfig) : ProviderFtdi(deviceConfig) | ||
| { | ||
| } | ||
|
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| LedDevice *LedDeviceAPA102_ftdi::construct(const QJsonObject &deviceConfig) | ||
| { | ||
| return new LedDeviceAPA102_ftdi(deviceConfig); | ||
| } | ||
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| bool LedDeviceAPA102_ftdi::init(const QJsonObject &deviceConfig) | ||
| { | ||
| bool isInitOK = false; | ||
|
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| // Initialise sub-class | ||
| if (ProviderFtdi::init(deviceConfig)) | ||
| { | ||
| _brightnessControlMaxLevel = deviceConfig["brightnessControlMaxLevel"].toInt(LED_BRIGHTNESS_FULL); | ||
| Info(_log, "[%s] Setting maximum brightness to [%d] = %d%%", QSTRING_CSTR(_activeDeviceType), _brightnessControlMaxLevel, _brightnessControlMaxLevel * 100 / LED_BRIGHTNESS_FULL); | ||
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| CreateHeader(); | ||
| isInitOK = true; | ||
| } | ||
| return isInitOK; | ||
| } | ||
|
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| void LedDeviceAPA102_ftdi::CreateHeader() | ||
| { | ||
| const unsigned int startFrameSize = 4; | ||
| // Endframe, add additional 4 bytes to cover SK9922 Reset frame (in case SK9922 were sold as AP102) - has no effect on APA102 | ||
| const unsigned int endFrameSize = (_ledCount / 32) * 4 + 4; | ||
| const unsigned int APAbufferSize = (_ledCount * 4) + startFrameSize + endFrameSize; | ||
| _ledBuffer.resize(APAbufferSize, 0); | ||
| Debug(_log, "APA102 buffer created. Led's number: %d", _ledCount); | ||
| } | ||
|
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| int LedDeviceAPA102_ftdi::write(const std::vector<ColorRgb> &ledValues) | ||
| { | ||
| for (signed iLed = 0; iLed < static_cast<int>(_ledCount); ++iLed) | ||
| { | ||
| const ColorRgb &rgb = ledValues[iLed]; | ||
| _ledBuffer[4 + iLed * 4 + 0] = LED_HEADER | _brightnessControlMaxLevel; | ||
| _ledBuffer[4 + iLed * 4 + 1] = rgb.red; | ||
| _ledBuffer[4 + iLed * 4 + 2] = rgb.green; | ||
| _ledBuffer[4 + iLed * 4 + 3] = rgb.blue; | ||
| } | ||
|
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| return writeBytes(_ledBuffer.size(), _ledBuffer.data()); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| #ifndef LEDEVICET_APA102_H | ||
| #define LEDEVICET_APA102_H | ||
| #include "ProviderFtdi.h" | ||
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| class LedDeviceAPA102_ftdi : public ProviderFtdi | ||
| { | ||
| Q_OBJECT | ||
|
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| public: | ||
|
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| /// | ||
| /// @brief Constructs an APA102 LED-device | ||
| /// | ||
| /// @param deviceConfig Device's configuration as JSON-Object | ||
| /// | ||
| explicit LedDeviceAPA102_ftdi(const QJsonObject& deviceConfig); | ||
|
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| /// | ||
| /// @brief Constructs the LED-device | ||
| /// | ||
| /// @param[in] deviceConfig Device's configuration as JSON-Object | ||
| /// @return LedDevice constructed | ||
| static LedDevice* construct(const QJsonObject& deviceConfig); | ||
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| private: | ||
|
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| /// | ||
| /// @brief Initialise the device's configuration | ||
| /// | ||
| /// @param[in] deviceConfig the JSON device configuration | ||
| /// @return True, if success | ||
| /// | ||
| bool init(const QJsonObject& deviceConfig) override; | ||
|
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| void CreateHeader(); | ||
|
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| /// | ||
| /// @brief Writes the RGB-Color values to the LEDs. | ||
| /// | ||
| /// @param[in] ledValues The RGB-color per LED | ||
| /// @return Zero on success, else negative | ||
| /// | ||
| int write(const std::vector<ColorRgb>& ledValues) override; | ||
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| /// The brighness level. Possibile values 1 .. 31. | ||
| int _brightnessControlMaxLevel; | ||
|
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| }; | ||
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| #endif // LEDEVICET_APA102_H |
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