How to drive a LCD on ARM based linux System


 
Thread Tools Search this Thread
Operating Systems Linux How to drive a LCD on ARM based linux System
# 1  
Old 12-18-2007
Bug How to drive a LCD on ARM based linux System

Hello sir,

I am Vijay Manohar. I am a writing a device driver for LCD frame buffer device. In this , LCD has been mapped at physical address 0x3000000. Now I want to implement mmap entry point. I have two questions regarding this

Can I use this physical address as one of the parameters to remap_pfn_range.

How to use DMA, in order to transfer data to the specified address. Firstly I it possible this sort of transfer.

Help is highly appreciated Smilie,

Regards,
Vijay Manohar
Login or Register to Ask a Question

Previous Thread | Next Thread

5 More Discussions You Might Find Interesting

1. Programming

IDE's for the ARM processor on Linux

Hello everyone. I am running Debian on an ARM7 Device (aka my android phone). Everything is great. Works well. I would love to use it for Development. Mainly my interests are in Web Development, and Java development. So far the only useful IDE for debian arm is Netbeans. Which is pretty... (0 Replies)
Discussion started by: CDevelop
0 Replies

2. What is on Your Mind?

Raspberry Pi - An ARM GNU/Linux box for $25. Take a byte!

Raspberry Pi An ARM GNU/Linux box for $25. Take a byte! FAQs What's a Raspberry Pi? The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. It's a capable little PC which can be used for many of the things that your desktop PC does, like spreadsheets,... (5 Replies)
Discussion started by: Neo
5 Replies

3. UNIX for Dummies Questions & Answers

setserial not working on linux running on Beagleboard (ARM development board)

Hi, I'm trying to develop an application to work with serial infra-red module, but I'm having difficulties to even get my module started. My HW is Beagleboard, which has 1 UART serial port, normally used for console, which I have disabled (I re-created the boot.scr, without the console... (0 Replies)
Discussion started by: julumme
0 Replies

4. News, Links, Events and Announcements

ARM Based Community oriented to Job

Hi everybody, I write this small news in order to inform you an ARM network has been created around job opportunities and Vocational TRaining for student. This open group is coming together design, hardware software domains on ARM RISC Architecture. With more than 1,500 users from great... (0 Replies)
Discussion started by: ARMBasedGroup
0 Replies

5. UNIX and Linux Applications

Linux based Open Source ERP System - CK-ERP

Hi, folks, I have developed CK-ERP, which is an open source accounting / MRP / ERP / CRM system that runs on top of multiple middlewares. It provides accounting and back office functionalities to SMEs and utilizes the underlying middleware to administer accounts/groups. Details about and... (0 Replies)
Discussion started by: chiukay
0 Replies
Login or Register to Ask a Question
PROCMETER3-LCD(1)					      General Commands Manual						 PROCMETER3-LCD(1)

NAME
procmeter3-lcd - A system monitoring program with LCDproc display. SYNOPSIS
procmeter3-lcd [-h|--help] [--rc=<filename>] [--...] [...] DESCRIPTION
ProcMeter Displays one or more pieces of information about the operating system and other resources. Most of the information that is dis- played comes from the /proc filesystem. The program is modular and very configurable. OPTIONS
The command line options are described below. -h Provides a help message listing the available outputs. This will be different for different computers depending on the Linux kernel version that is being used and the hardware/software that is configured. --rc=<filename> Load the specified .procmeterrc file in stead of the searching in the usual places. --... A list of configuration file options that will override the values in the .procmeterrc file. The format of these options is (for example) --LCD.host=localhost which is equivalent to the entry in the .procmeterrc file of [LCD] host = localhost All spaces around the equal sign must be removed and if spaces are required in the value on the right hand side then quotes must be used around the entire command line option. ... A list of names of outputs that are to be displayed. This can include any of the outputs that are available (see the -h option). For the CPU usage is in a module named Statistics with an output named CPU and there are graph (-g), text (-t) and bar (-b) options. To display the CPU usage graph you would use the command line option Statistics.CPU-g USAGE
When started the program will display on an attached LCD display using the LCDd daemon program (from http://lcdproc.omnipotent.net). The outputs that are displayed are those from the command line and those from the .procmeterrc configuration file. MODULES
The modules that are available for procmeter3-lcd are described in the procmeter3_modules(1) manual page. SEE ALSO
procmeterrc(5) procmeter3_modules(1) AUTHOR
Andrew M. Bishop 1998-2007 July 3, 2010 PROCMETER3-LCD(1)