Start code analysis of eCos learning notes
I checked the startup code of eCos a few days ago, made some notes, and published them here to increase the popularity of space.Since the target board I used is MIPS, I only analyzed the startup
Recently, I am working on NAND boot in uboot and have been struggling with a problem. Now I have clarified this issue. I think there are still many brothers struggling in a dark corner or in front of a computer, so I should write it down for
This article from http://blog.csdn.net/hellogv/, reference must indicate the source!
I wrote a demo of playing opensurf in C # last time. This time I wrote how to port opencv1.10 to wince/Wm. If you know how to crop opencv, you can play more and
========================================================== ====Author: yuanlulu
Http://blog.csdn.net/yuanlulu
No copyright, but please keep this statement for reprinting========================================================== ====
Finally,
Reprint Address: http://mrfu.me/android/2015/07/17/New_Android_Gradle_Build_Tools/
Translator Address: "Turn" list of new Android Gradle build tools: New DSL structure and Gradle 2.5
Original: First look at new Android Gradle
A.txt
#4072.0## #52.19### #72 # #
2#38705.8# # # 51.73## #70 # #
372## #389.0# #51.80# #19.77# # 72#####
4# #59.71#3715.45# #71 ######
With a # and a space as a separator, the last column is multiplied by 7, and the rest is unchanged.
The known
From the Ucous-ii contact with the operating system, understand the basic operating system concepts and work flow after the start of contact with the osal system, the first operating system of the workflow as shown below
This system is not mentioned
Some programs are debugging, compatibility, in situations like platform porting, you might want to generate a different software by simply setting some parameters, which, of course, can be done with variable settings, write all the possible code,
Uboot start-up process: Look at a picture:
1. Phase I: Content of Start.s:
Click (here) to collapse or open #include @ The file was created when the Mkconfig file was executed in the second step. Include/config.h #include #include @ in the Include
To write some scripts that simplify administrative operations, here is one of the underlying scripts.For a person who has never used a Perl script, it is still a bit difficult for me to go directly to the code.This script is used to send the remote
ChingOriginal address: http://blog.csdn.net/qingdujun/article/details/40154077In this paper, a complete example is presented to show the polygon effective edge table filling algorithm.1) Create Caet classHeader file: AET.hAet.h:interface for the
file contains
——————————————————————————————————————Symbolic meaning——————————————————————————————————————Static 1. Inside a function, the value of the variable is persisted between invocations2. At the level of the function, it means that the
Press power key to slow down the screen speed problem
Causes and solutions:
The delay in the resume function of each driver, and the delay of the thread inside the charging driver need to be re-viewed, compared with the original code, except for
Solve the problem that OracleDBConsoleorcl cannot be started. manually execute emctl. bat, so start the console and execute emctl. bat istart dbconsole, error reported. ORACLE_SID is not defined. Enable emctl. bat. Here is the place where the
When uboot start, dispaly following info:
U-boot 1.1.6 (Mar 19 2008-14:02:12)
So Google and find,
Means nothing wrong, but need some environment variables for uboot when booting.
, And "The message will go away as soon as you save the envrionment
As previously analyzed, a renderprocess corresponds to the renerprocesshost in a master process. When is renderprocess created? The answer is to create it during renerprocesshos initialization. The corresponding process is implemented in the
Today, I am familiar with some gpio applications. The simplest is the control of LED lights.
The following example uses L5 to describe it.
Sysctlperipheralenable (sysctl_periph_gpiob); // enable gpio B
Gpiopintypegpiooutput (gpio_portb_base,
Happy shrimp http://blog.csdn.net/lights_joy/lights@hb165.com this article applies to ADI bf561 DSPuclinux-2008r1-rc8 (transplanted to vdsp5) Visual DSP ++ 5.0 welcome reprint, but please keep the author information
1.1 Related global variables
1.1.
Jump from the Assembly startup code and go to the start_armboot function void start_armboot (void) in \ u-boot-1.1.4 \ lib_arm \ board. c)
{
Declare_global_data_ptr; ulong size;
Init_fnc_t ** init_fnc_ptr;
Char * s;
# If defined (config_vfd) |
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