embedded-linux

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embedded system design: partitioning resources

I want to design a device that supports both cellular connectivity ((ie. HSDPA/HSUPA) for high-speed downloads/uploads and telephony) and heavy multimedia applications (like playing streaming video in[详细]

2023-01-30 22:02 分类：问答
How to create a large file on a VFAT partition efficiently in embedded Linux

I\'m trying to create a large empty file on a VFAT partition by using the `dd\' command in an embedded linux box:[详细]

2023-01-29 09:03 分类：问答
Driver not found error when using examples with Qt 4.7 and QVFb?

I\'m trying to get started with embedded linu开发者_如何学Cx Qt Development, and I\'ve built Qt for embedded linux, and built QVFb but when I launch any of the example programs I get an error that a d[详细]

2023-01-25 13:45 分类：问答
Do files in /proc/PID directory have their own proc_dir_entry instance?

Do files in /proc/PID directory (including /proc/PID ) have their own proc_dir_entry instance? As I known, each normal file in /proc including /proc has their proc_dir_entry instance.[详细]

2023-01-25 02:05 分类：问答
Function caller in linux kernel

Is there a way to get function caller in linux kernel? I know __func__ returns the function name wh开发者_如何学JAVAich is executing. I am looking for the function which called \"__func__\"You can get[详细]

2023-01-24 02:42 分类：问答
back trace for ulibc in arm

I wanted to know if any porting is available for back trace implementation for uclibc in arm that I can use in my signal handler to debug segmentation faults.[详细]

2023-01-22 19:03 分类：问答
Is there a way to prevent sh/bash from performing command substitution?

From a C program I want to call a shell script with a filename as a parameter.Users can control the filename.The C is something like (initialization/error 开发者_如何学编程checking omitted):[详细]

2023-01-22 02:18 分类：问答
Using the check test unit framework in an embedded device?

Has anyone used check as the unit test framework in an embedded device which also requires cross-compilation?[详细]

2023-01-20 20:16 分类：问答
What is the L_* macro in busybox?

I am trying to cross-compile busybox but I am getting \'undefined reference\' at the linking stage.Using nm, the symbol were in fact missing from the library file (libbb.a in my case.)Looking into the[详细]

2023-01-20 19:49 分类：问答
ALSA: Looping Sound Problem

I have written a small program that tests the ALSA library on an Embedded Linux board. The program configures ALSA, plays a single sound and then waits 1 minute before exiting.[详细]

2023-01-18 10:53 分类：问答