github.com/dcarley/as1130
Package as1130 is a library for controlling the AS1130 LED driver, as used by The Matrix from Boldport. The device is configured using registers. Each register is represented as a struct with descriptive field names, comments, and default values. The struct can be passed to the corresponding Set method. You may also wish to refer to the datasheet: http://ams.com/eng/content/download/185846/834724/105034 To connect using the default device path and address: If you need to use another path or address: It's advisable to reset the device before using it: After which you must choose how many blink and PWM sets you want to use and perform the startup sequence. There's a helper method to make this easier: Or you can call SetConfig(), SetCurrentSource() and SetDisplayOption() yourself if you need more control. Frames are defined as grayscale images. They can be manipulated using standard Go image libraries: Each frame is associated with blink and PWM set, which defines flashing and intensity for individual LEDs. You should set the first (default) blink and PWM set at a minimum: An individual frame can be displayed in picture mode: Multiple frames can be displayed in movie mode: When you have finished setting all of the frames you can turn on the display: Have a look at the as1130ctl sub-package for more complete examples.
Readme
Go library for the AS1130 LED driver, as used by The Matrix from Boldport.
It can be used from hardware that supports I²C such as a Raspberry Pi.
To fetch the library:
go get -u github.com/dcarley/as1130
Refer to godoc for documentation and examples.
The as1130ctl command line utility lets you:
To fetch and install it:
go get -u github.com/dcarley/as1130/as1130ctl
To see detailed usage information:
as1130ctl --help
FAQs
Package as1130 is a library for controlling the AS1130 LED driver, as used by The Matrix from Boldport. The device is configured using registers. Each register is represented as a struct with descriptive field names, comments, and default values. The struct can be passed to the corresponding Set method. You may also wish to refer to the datasheet: http://ams.com/eng/content/download/185846/834724/105034 To connect using the default device path and address: If you need to use another path or address: It's advisable to reset the device before using it: After which you must choose how many blink and PWM sets you want to use and perform the startup sequence. There's a helper method to make this easier: Or you can call SetConfig(), SetCurrentSource() and SetDisplayOption() yourself if you need more control. Frames are defined as grayscale images. They can be manipulated using standard Go image libraries: Each frame is associated with blink and PWM set, which defines flashing and intensity for individual LEDs. You should set the first (default) blink and PWM set at a minimum: An individual frame can be displayed in picture mode: Multiple frames can be displayed in movie mode: When you have finished setting all of the frames you can turn on the display: Have a look at the as1130ctl sub-package for more complete examples.
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