diff --git a/README.md b/README.md index befe242..58f19e5 100644 --- a/README.md +++ b/README.md @@ -2,6 +2,7 @@ **Note**: I did not write this driver. I only modified it to clean up compiler warnings/errors. The original can be found here: (http://www.librecalc.com/en/wp-content/uploads/sites/4/2014/10/sharp.c) + More information can be found here: (http://www.librecalc.com/en/downloads/) @@ -9,29 +10,38 @@ This driver is for the LS027B7DH01. It *should* work with other Sharp Mem LCD di ## Hookup Guide Connect the following pins: -| Display | RasPi | -| ------- | --------- | -| VIN | 3.3V | -| 3V3 | N/C | -| GND | GND | -| SCLK | 11 (SCLK) | -| MOSI | 10 (MOSI) | -| CS | 23 | -| EXTMD | 3.3V | -| DISP | 24 | -| EXTIN | 25 | + +Display | RasPi +------- | --------- +VIN | 3.3V +3V3 | N/C +GND | GND +SCLK | 11 (SCLK) +MOSI | 10 (MOSI) +CS | 23 +EXTMD | 3.3V +DISP | 24 +EXTIN | 25 ## Compile/Install the driver Verify that you have the linux kernel headers for your platform. For the RasPi these can be obtained by: -```sudo apt-get install raspberrypi-kernel-headers``` +``` +sudo apt-get install raspberrypi-kernel-headers +``` or more generally: -```sudo apt-get install linux-headers-$(uname -r)``` +``` +sudo apt-get install linux-headers-$(uname -r) +``` To compile the driver, run: -```make``` +``` +make +``` To install the driver, run: -```sudo make modules_install``` +``` +sudo make modules_install +``` If you want the module to load at boot you'll need to add it to the /etc/modules file, like: ``` @@ -43,20 +53,28 @@ sharp ## Compile/Install the Device Tree Overlay The included sharp.dts file is for the Raspberry Pi Zero W. To compile it, run: -```dtc -@ -I dts -O dtb -o sharp.dtbo sharp.dts``` +``` +dtc -@ -I dts -O dtb -o sharp.dtbo sharp.dts +``` To load it at runtime, copy it to /boot/overlays: -```sudo cp sharp.dtbo /boot/overlays``` +``` +sudo cp sharp.dtbo /boot/overlays +``` And then add the following line to /boot/config.txt: -```dtoverlay=sharp``` +``` +dtoverlay=sharp +``` ## Console on Display If you want the boot console to show up on the display, you'll need to append `fbcon=map:10` to /boot/cmdline.txt after *rootwait*, like: -```... rootwait ... fbcon=map:10``` +``` +... rootwait ... fbcon=map:10 +``` To make sure the console fits on screen, uncomment the following lines in /boot/config.txt and set the resolution appropriately: ``` framebuffer_width=400 framebuffer_height=240 -``` \ No newline at end of file +```