sharp-drm-driver-radxa-zero/README.md

# Sharp Memory LCD Kernel Driver

DRM kernel driver for 2.7" 400x240 Sharp memory LCD panel.

## Cleaning old drivers

The `bbqX0kbd` driver has been renamed to `beepy-kbd`, and `sharp` to `sharp-drm`.

Driver packages will detect if one of these old modules is installed and cancel installation of the package.

Remove the following files:

* `/lib/modules/<uname>/extra/bbqX0kbd.ko*`
* `/lib/modules/<uname>/extra/sharp.ko*`
* `/boot/overlays/i2c-bbqX0kbd.dtbo`
* `/boot/overlays/sharp.dtbo`

Rebuild the module list:

* `depmod -a`

Remove the following lines from `/boot/config.txt`:

* `dtoverlay=bbqX0kbd,irq_pin=4`
* `dtoverlay=sharp`

Remove the following lines from `/etc/modules`:

* `bbqX0kbd`
* `sharp`

## Installation

Install the Linux kernel headers

	sudo apt-get install raspberrypi-kernel-headers


To build, install, and enable the kernel module:

    make
    sudo make install

To remove:

    sudo make uninstall


## [Original fbdev module readme with pinouts and build instructions](https://github.com/w4ilun/Sharp-Memory-LCD-Kernel-Driver/blob/master/README.md)

## References

Original SPI and GPIO kernel driver at:

	https://github.com/w4ilun/Sharp-Memory-LCD-Kernel-Driver

Sharp datasheet:

	https://www.sharpsde.com/fileadmin/products/Displays/2016_SDE_App_Note_for_Memory_LCD_programming_V1.3.pdf