[API v1]: Add support for I2C Output Components #751
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tyeth
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May 16, 2025
tyeth
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| https://github.com/adafruit/Adafruit_LED_Backpack.git | ||
| https://github.com/adafruit/Adafruit_PM25AQI.git |
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Both of these are in the platformIO registry:
https://registry.platformio.org/libraries/adafruit/Adafruit%20LED%20Backpack%20Library
https://registry.platformio.org/libraries/adafruit/Adafruit%20PM25%20AQI%20Sensor
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This pull request enhances core I2C functionality by adding support for I2C output devices. This is a backport of #749 to work with the v1 WipperSnapper Protocol Buffer API.
The following I2C Output Devices are supported by this pull request:
Addresses: adafruit/Wippersnapper_Protobuf#144
Resolves: #742
Full Diff (Automatically Generated using Copilot Summary)
Support for New I2C Output Devices:
WipperSnapper_I2C_Driver_Out,WipperSnapper_I2C_Driver_Out_QuadAlphaNum, andWipperSnapper_I2C_Driver_Out_CharLcd. These classes encapsulate the functionality required to interact with these devices. (src/components/i2c/drivers/WipperSnapper_I2C_Driver_Out.h,src/components/i2c/drivers/WipperSnapper_I2C_Driver_Out_CharLcd.h) [1] [2]Updates to I2C Initialization and Deinitialization:
initI2CDeviceto initialize the new output devices (quadalphanumandcharlcd) with specific configurations such as brightness and alignment for LED backpacks and row/column setup for character LCDs. (src/components/i2c/WipperSnapper_I2C.cpp)deinitI2CDeviceto properly handle the removal of output drivers, ensuring compatibility with both ESP-IDF and Arduino architectures. (src/components/i2c/WipperSnapper_I2C.cpp)Handling I2C Output Operations:
Handle_I2cDeviceOutputWriteto process messages for output devices, including writing text or numeric values to LED backpacks and character LCDs. (src/components/i2c/WipperSnapper_I2C.cpp,src/components/i2c/WipperSnapper_I2C.h) [1] [2]Dependency Updates:
library.propertiesandplatformio.inito include new dependencies for the Adafruit LED Backpack and LiquidCrystal libraries, ensuring the required libraries are available for the new functionality. (library.properties,platformio.ini) [1] [2]Debugging and Logging:
src/Wippersnapper.cpp,src/components/i2c/WipperSnapper_I2C.cpp) [1] [2]These changes significantly expand the WipperSnapper framework's capabilities, enabling support for a broader range of I2C devices and improving the overall robustness of the I2C handling logic.