Home piano lessons (3)

yesterday was the girl's first 16 piano lesson, just a mess in this lesson. For some reason, the teacher was in class with a bad mood. When a question could not be answered, he would not continue to give lectures, and the tone was harsh. The

Implement_dyncreate's strange problem

Today, I encountered a very strange problem. It was developed based on MFC in vs2005. Program If you place the implement_dyncreate macro at the beginning of the CPP file, there are a bunch of errors during the runtime, but there is no problem if

Home has wonderful quotations (12)

quick girl 4 when I am a year old, I often hear amazing words. One day, I took the girl to see the model room. The girl sat on another's sofa, and the waiter stopped her: "This cannot be sat .", The little girl replied, "I just have a rest."

Home has wonderful quotes (15)

The little girl is more than four years old. She is very clever and often makes her grandmother very happy. Because the little girl's grandmother felt that she had made a copy of the word, she was not called "grandma" since she was a child, but

Call a console program and obtain its output

And other console programs, and the output of these programs can be displayed in the IDE. I was confused about the implementation of this function. I realized it only one day when I saw the following reference code. Everything was so simple, but I

Haha, U-boot finally worked on the bf561 board.

Today, U-boot finally ran on my bf561 board, which is recorded here for your reference. 1. Install the cross compiler on the fc6 i386 Linux platform, mainly including the following two RPM

Machine_mode in gcc4.1

1 DefinitionFor machine_mode, GCC internals explains this as follows: A machine mode describes a size of data object and the representation used for it. in the C code, machine modes are represented by an enumeration type, Enum machine_mode, defined

Transplantation of u-boot-1.1.6 (bf561) for vdsp

1. Development EnvironmentOnly for visual DSP 4.5Debugging is performed, but 5.0 does not. 2. directory structure1. During the transplantation process, the original directory structure is basically retained. 2. A new vdsp subdirectory is created

Double-chain table in uclinux2.6

A double-stranded table is a data structure that is used in the uclinux2.6 kernel. It separates the data and operations of the double-stranded table, so that some operations of the double-stranded table do not involve specific data. The examples in

Interest classes with thousands of RMB

When the girl was over four years old, she started to work in the middle class. Suddenly I found that the girl had a lot more interest classes. Piano, however, I like to recognize words. The name and lyrics of the songs in the book are never

Custom stack and heap in vdsp (bf561)

1. Custom StackThe two AB cores have different stacks. The following definitions are only for the core. 1. Define the memory block to be used in LDF mem_l2_stack {type (RAM) Start (0xfeb10000) end (0xfeb17fff) width (8 )} 2. Delete the original

Happy shrimp toolbox-0.0.2

After some time of study, I finally understood most of cygwin's operating mechanisms, but I am sorry that the details of its signal key technologies have not been fully grasped, so that programs dependent on the signal mechanism have not been

Minimum environment variables required by CreateProcess

For CreateProcess, there are more detailed documents in msdn, but the lpenvironment parameter is not detailed. It only tells us how to use this parameter, however, the content that can be passed by this parameter is closed, so what kind of

Use NAND flash in U-boot for bf561

In the u-boot_1.1.6 support a large number of nandflash chip, but because of the various nandflash in different systems can have different implementation methods, so in the u-boot_1.1.6 must be self-implemented on nandflash some low-level operations,

Compiling uClinux in vdsp (1): impossible tasks?

After searching online materials for a few days, I have never seen uClinux compiled under vdsp. It is estimated that, on the one hand, the compiler technology is different, and on the other hand, there is no such requirement. However, if the uClinux

The story of the treasure ball

The little girl is almost 4 years old and is very active in thinking. In the evening, according to the rules, the little girl first tells a story, and then Dad tells two stories. "I will tell you a story about the ball .........". "Once upon a time,

Compiling uClinux in vdsp (3): Differences in compilers

Although vdsp and gcc3.2 have good compatibility, there are still some differences. The following lists some differences and solutions: 1 , _ Builtin_exact CT (exp, Val) :This is a built-in function of GCC, and vdsp does not have this function. It

Bootmem Analysis in uclinux2.6 (bf561) (4): alloc_bootmem_pages

This is a defined macro used to allocate memory: # define alloc_bootmem_pages (X)/_ alloc_bootmem (x, page_size, _ Pa (max_dma_address). max_dma_address is defined: # define max_dma_address page_offset while page_offset is defined as 0. _ Pa: #

Bootmem Analysis in uclinux2.6 (bf561) (3): init_bootmem_node

The implementation of this function is in mm/bootmem. c:/** called once to set up the Allocator itself. */static unsigned long _ init partition (pg_data_t * pgdat, unsigned long mapstart, unsigned long start, unsigned long end) {bootmem_data_t *

Running dxe files in uClinux: a relatively simple method

In the previous two articles (debugging dxe files in uClinux) and converting dxe files to flat files), the methods of dynamically loading dxe files are used. The obvious disadvantage of this method is that several addresses in the dxe file need to

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