The localbehavior1.py example sets up a watchdog timer and calibrates the touch with the display, then enters a loop where it manages the state of five on-screen buttons labeled "A" through "E." Each button is drawn at the bottom of the screen, and its color changes depending on whether it is toggled on or off. The example continuously checks for touch input using the REG_TOUCH_TAG register, and when a button is pressed, it toggles the corresponding state. The display is updated in real time to reflect any changes, providing an interactive user interface with five toggle buttons that respond to touch.
The localbehavior2.py defines a Builder class that helps construct a command buffer for the EVE graphics co-processor, allowing for conditional logic and control flow (like if/else/endif and loops) in the display list. In the localbehavior_2 function, it sets up a watchdog timer and calibrates the touch with the display, then uses the Builder to create a display list that draws five toggle buttons labeled "A" through "E" at the bottom of the screen. The state of each button is stored in memory, and the button color changes based on its state. When a button is touched, its state toggles between on and off. The display list is written to the EVE device and executed in a loop. This display list is trigger by CMD_CALLLIST and provides an interactive UI with persistent button states managed in memory, similar to localbehavior1.py but implemented using a more advanced, buffer-based approach.
localbehavior1
localbehavior2
The format of the command call to run localbehavior1 is as follows:
MPSSE example
python localbehavior1.py --connector ft232h
FT4222 example in single mode (--mode 0)
python localbehavior1.py --connector ft4222module
FT4222 example in dual mode (--mode 1) or quad mode (--mode 2)
python localbehavior1.py --connector ft4222module --mode 2
The example contains two files which comprises all the demo functionality.
| File/Folder | Description |
|---|---|
| localbehavior1.py | Example source code file |
| localbehavior2.py | Example source code file |
| docs | Documentation support files |