toggled led

First, intelligent and functional LED display features:1, the intelligent display usually does not need to connect the upper machine,LED Electronic screenThere is a built-in CPU, can be lost power to save multiple images can be separated from the host computer to run independently. Some screen and clock chips, which automatically display the date and time. When the display content needs to be modified, the

Hybrid Equipment LED Driver Analysis/********************************* Miscellaneous device driver: Miscdevice*majior=10;** *****************************/#include #include #include #include #include #include ---------IOCTL------------#include ---------Misc_register----#include ----------Cdev--------------#include ----------Delay-------------#include ----------GPIO---------------#include #include #include #define S3c_gpio_special_mark (0XFFFFFFF0)#defi

"The original post must look, otherwise you can not understand this post"Single chip microcomputer coded wireless module sending and receiving program"description":[Send side]:LED on-off following send statusSend string "Abcdefghijklmnop"Send the process, with "Brother Chun" GBK code to the string XOR operation encryptionData verification: The use of anti-code verification, first send the source code, and then send anti-code, anti-jamming[Receiving en

LED programming1. Writing kernel modules2. Build a character-driven framework3. Implement the Device methodHeader fileWritel ()Leddev.h// Device Commands #define Led_magic ' L ' //LED magic number #define led_on _io (led_magic, 0) // Turn on LED#define led_off _io (led_magic, 1) // turn off ledLeddev.c/*****************************************

LED Drive Implementation ExperienceThe realization principle of LED driveAlthough the Linux driver deals directly with hardware, it is not the Linux driver that writes data directly to the memory in the hardware, but interacts with the native I/O memory. The so-called I/O memory is mapped in host memory through various interfaces (PCI USB Bluetooth Ethernet ports) that are connected to the host (PC phone) h

the structure of the surface light source first has the following information:1. Aluminum Structureappearance structure, and the main structure of the LED heat dissipation-usually using AL6063, aluminum extrusion die, the upfront cost of low investment, the appearance of beautiful treatment, heat dissipation, the previous days to see the exhibition also found that there are manufacturers to do die-casting structure, so the IP level can do a higher poi

OverviewFrom point to line, from line to face. Now began to come to a piece of LED, a big splash LED is coming!Sample ProgramSince there are no ready-made modules at hand, there are only 595 at hand, so each of these sample programs uses the 74HC595 extension IO port. No more notes in the back.Ready-made modules and other special driver chip, the program is more simple to write, according to the specific dr

I have already introduced a lot of things about LEDs on the LED street lamp website. I hope you can learn more about LEDs, the ultimate goal is to hope that everyone can identify led street lamps or that people in this line can produce high-quality LED street lamps, but any line of work is inseparable from relevant industry standards. In the

Reprinted please indicate the source: http://blog.csdn.net/lihaoweiV Li haowei's csdn blog Simple LED driver on Samsung smdkc210 Development Board Steps: 1. the lighting and removal of LED lights are controlled by gpio. We can find from the schematics diagram of the smdkc210 board that the gpio port corresponding to led4 is gpx1_4, for more information, see my other le