#arm7

[dervenmorlo]

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[enixstechnologyindia-blog]

Enixs provides low cost highly futuristic ARM7 development board with real-time operating system (RTOS)support.

http://enixs.in/index.php/featured/rudra

[feedbackloopchannel]

M-Audio Axiom Pro 49 repair

Another case of "blue screen of death". It happened to be entirely different problem from the previous one (see link below). After some exploration and an unsuccessful attempt to extract firmware from a piece of code for OS X, the right firmware was found and programmed into the chip. What a luck! Too many details about hex dumps, check sums and such? Let me know if you think so. Forum on EEVBlog: http://www.eevblog.com/forum/repair/m-audio-axiom-pro-49-keyboard-repair-%28firmware-reflashing%29/ LPC214x family manual: http://www.nxp.com/documents/user_manual/UM10139.pdf Previous case of blue screen of death: https://youtu.be/GAeNwjgq0Qw Topic on the M-Audio site, where I found the firmware: http://community.m-audio.com/m-audio/topics/axiom_pro_61_blue_screen

[kotadev-blog-blog-blog]

We have collision I have a few more tests to do tomorrow with it but it seems to be working fine. Its also not limited to a 32x32 collision box (which it is running with in the images) it also it not limited to a 4kb map file as the offset for the map array is worked out before the data it taken from the array so not limited by the ldr max of a 4kb offset. Just animation and then I can call it quits until gamejam and I can turn up with my swiss army knife of tools also the assembly for the collision stuff is ~600 line with comments so guessing around 300-400 without. I also upload all the code once the gamejam is over

[kotadev-blog-blog-blog]

Baby's first ASM I have just finished writing a very basic ASM function for AABB collision detection between two boxes (or rectangles). In the test seen in the images both boxes are 32x32 but they can be any size. Still need to do collision check with the map (which is going to be fun) and Circular collision all in ASM to try and optimise it a bit more (though I could end up making it slower haha) Also have an animation manager in design and should only take a short amount of time to implement

[knowyourapi]

Fooled around with assembly on an ARM7 today. It was all fun and games: accidentily bubble-sorted half of the memory...

[letshackit]

É isso ai, resolvi finalmente soldar o ARM em sua placa adaptadora. Fiz todas as ligações de Vcc e GND já por baixo da placa para não precisar me preocupar com isso. Coloquei todos os capacitores de decoupling de 100nF e parece que está tudo certo! Agora é só ter paciência e tentar programa-lo com JTAG :D

[boncostick-blog]

On the basis of ARM7 microprocessor Chinese liquid crystal display technology

A foreword

Liquid crystal display " >The liquid crystal display LCD " >LCD, as a kind of low power dissipation, small, does not have radiative display device, are widely used in the embedded electronic product of all kinds in recent years, LCD" >LCD can be divided into the section type, charactering type and lattice three kinds, among them, section type LCD " >LCD and character type LCD " >LCD can only be used in the character sum numberically to reveal briefly, can't meet the curve of figure and expicity requirement of Chinese character, and lattice LCD " >LCD not only all right display character, figure, can also reveal various figures, curves and Chinese characters, and can realize the screen rolls cartoon function, functions such as the windowing of subregion, reversal, glimmering,etc. from side to side from head to foot, the use is very extensive, in order to simplify the design and application of the LCD circuit, manufacturer usually liquid crystal display " >Liquid crystal display element, display control unit, reveal the memory and reveal the driving circuit etc. to assemble together, make into liquid crystal display " >The liquid crystal display module LCD " >LCD Module( LCM) [1]. LCM offers normal data, control interface and control command to the outside, this text takes TM12864C as examples, the liquid crystal display of the control driver ST7920 of continuing bringing " >ARM7 microcontroller LPC2214 interface design and programming method of liquid crystal display module and Philips Company, and in the detailed introduction of this foundation is in liquid crystal display " >Reveal Chinese menu and menu item that can roll continuously on the liquid crystal display and choose the expicity design method in vain instead, and discuss the question that how to solve the gash appearing in the course of Chinese display.

2 hardware implementation

ATM12864C is the Chinese liquid crystal display of roc's production of electronics Co., Ltd. of the money of Guangdong " >Liquid crystal display module, this sincere liquid crystal display " >The liquid crystal display module adopts the control driver ST7920 of the dot matrix of Chinese word pattern, include 8192 times 16 in him