wayland/text-lcd-i2c@0.0.2
License: AGPL-3.0
Nodes to drive common text liquid crystal displays with I²C interfaces (based on https://xod.io/libs/xod-dev/text-lcd/). User can specify I²C bus. Compatible with I²C multiplexers (example patch provided).
| Node | Description |
|---|---|
| clear | Clears the LCD screen and positions the cursor in the upper-left corner. |
| init | Initialise the text-lcd-i2c-device. |
| print-at | Prints a text on the LCD screen in the allocated area, specified by `ROW` index, position at the row and length.
The text trims to the allocated area length. If the text is shorter — the rest of the allocated area will be cleared (replaced with whitespaces). |
| set-backlight | Turns on or off the backlight of the I²C text LCD. |
| text-lcd-i2c-16x2 | A quick-start node drives a text LCD screen with a PCF8574 or PCA8574 I²C expander module. Usually have a value in range 0x20-0x27 or 0x38-0x3F. Consult LCD/expander documentation to know the exact value. |
| text-lcd-i2c-20x4 | A quick-start node drives a text LCD screen with a PCF8574 or PCA8574 I²C expander module. Usually have a value in range 0x20-0x27 or 0x38-0x3F. Consult LCD/expander documentation to know the exact value. |
| text-lcd-i2c-device | Text LCD I²C device. |
| example-16x2 | Patch to test text-lcd-i2c-16x2 node. Run in debugger. |
| example-i2c-multiplex | Example to demonstrate use of tca9548a-i2c-mux to control two lcd devices with the same I²C address on a single I²C bus. |