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PIC32MZ Tutorial--Blinky LED

Today I finish the "Blinky LED" application on PIC32MZ Starter Kit. This application to LED1 blink with 0.5HZ frequence. The pseudo code is like LOOP : ledon1 second led OFF 1 SecondIt uses Timer1 to control the delay time. So first I implement the three Timer1 functions./** */voidTmr1_open (void) {T1con=0x8010; PR1=0xFFFF;}//Comme

Nobel Prize for Physics announces: LED lights will light up the whole 21st century

Prize in Physics awards 7th in the Swedish capital of Stockholm announced the news when it was decided. 3 winners invented a blue light emitting diode (LED). Help people get a white light source in a more energy-efficient way. The LED lights, which are based on this principle, "will illuminate the entire 21st century."Blu-ray

Raspberry PI Series--bare metal illuminated LED lights

Raspberry PI Series--bare metal illuminated LED lightsBackgroundRecently just bought Raspberry PI B +, configured to run the official Raspbian system, tossing a week Linux system, feel no meaning, so try to understand the bottom of the start process, through a few days of research, It is found that the boot of the lowest part is performed by the official Bootcore.bin and start.elf files (which should be the initialization of hardware devices, such as

Embedded bootloader development of nine----keyboard interrupt control LED lights (Tiny 6410) __ Embedded Arm-bootloader

. In addition, to configure the interrupt allow Register EINT0 enable, so that the hardware can emit interrupt signal, the specific configuration code as follows: void Key_init (void) { Gpncon = ~ (0x3); Gpncon |= (0x2),//set to external interrupt gpnpud-= (0x3 );// Eint0con0 = ~ (0x7) ; Eint0con0 |= 0x2;//falling-edge Trigger eint0mask = ~ (0x1);//enable EINT0 } From the key to the circuit connection diagram can be seen when the key is not pressed when the high, pressed when low, so se

Iot security: multiple security vulnerabilities in LED lights

Iot security: multiple security vulnerabilities in LED lights Recently, a foreign security expert found that Zengge's Wi-Fi LED lamp has multiple security vulnerabilities. ZENGGE is a high-tech company integrating LED Controller Product R D, manufacturing, sales and engineering design, installation and service. Wi-Fi

Embedded Linux Learning Primer: Control LED Lights

#defineGpfcon (* (volatile unsigned long *) 0x56000050)2 #defineGpfdat (* (volatile unsigned long *) 0x56000054)3 4 5 intMainvoid)6 {7UnsignedLongi =0;8 9Gpfcon =0x00001500;//set the GPF4 GPF5 GPF6 to outputTen One while(1) A { - -Gpfdat =0x00000060;//control GPF4 output low level, LED1 bright the for(i=0; i30000; i++);//Delay - -Gpfdat =0x00000050;//control GPF5 output low level, LED2 bright - for(i=0; i30000; i++); + -Gpfdat =0x00000030;//control GPF6 output lo

Beaglebone Black-Controls the LED lights on the BBB board

without the code Snippet plugin ...) ) First Pinmode set output,led to it high with digitalwrite write in can. Cycle four lights to make them all light. Give it low,led and extinguish. Give it a try. The code is written so that it runs directly on the Run button above. Then is flashing, JS is a setinterval only: var B = require (' Bonescript '); var leds = ["USR

Timer Application---Query mode---Let 8 LED lights, left and right each of 4

The application of the timer, query method. Let 8 LED lights, left and right each of the 4 to light back and forthCode: /********************** Query method is the main program continuous query is interrupted, and do not need to prepare the sub-program ***********************/#include#defineLED P1#defineCOUNT 50000//50000 * 1us = 0.05s 50000 counts several times#defineTH_M1 (65536-count)%256//MODE 1 is assi

Microcontroller Remote Control stepper motor, LED lights and buzzer

Microcontroller Remote Control stepper motor, LED lights and buzzer The stepping motor module, LED lamp and buzzer module of the single-chip microcomputer are controlled by the C # language to enable the stepping motor to perform forward, reverse, and stop and control the speed; the LED lamp module performs selective b

Class 1 lights up the first LED light

+ 0x00) = 0x5555; * (Unsigned short *) (0x8000d000 + 0x04) = 0x5555; * (Unsigned short *) (0x8000d000 + 0x08) = 0 xfffe; } Void led_on (unsigned short Val) { * (Unsigned short *) (0x8000d000 + 0x0c) = (Val 0 xfffe ); } Void led_off (unsigned short Val) { * (Unsigned short *) (0x8000d000 + 0x0c) = (Val | 0x0001 ); }8.3 conclusion This course is mainly about programming. The problem is not difficult. It is generally the first program of embedded entry-light emitting diode, I have a general und

17th: The basic driver of the two-piece 74hc595 drive 16 LED Lights

power instantaneous OE port for a short period of time is in high state, during this period, As soon as possible through the software to 74hc595 all the output low. 2nd: The working process of the two Cascade 74hc595: Each 74hc595 has a 8-bit register and two cascade up to two registers. The St pin is equivalent to a flush signal pin, when the ST pin generates a rising edge signal, the register value is output to the output pin of the 74hc595 and locked up, the DS is the data pin, and SH is the

The seventh chapter is mainly about the control of light emitting diode driver, used to control the Development Board of the 4 LED lights

file using the Device_create functionUninstalling the LED driver's file requires calling the Device_destroy, Class_destroy, and Unregister_chrdev_region methods in turn.You must know how to set the register before controlling the LED light on or off.LED drivers can use two ways to control LED lights:1. Control the LED

The flashing and extinguishing of LED lights has also become a iptables target, strong sweat

As long as there is a compliance packet arrives, LED lights on XY, this effect how to achieve?I have a lot of ways to compare this: use log target to send kernel log, rsyslogd intercept, redirect to filter, invoke shell operation LED light. It's a lot of fun, but isn't that what UNIX advocates?What is the most direct way? I think it should be to write an event ta

The blinking and extinction of LED lights have also become an iptables target, powerful sweat, and lediptables

The blinking and extinction of LED lights have also become an iptables target, powerful sweat, and lediptablesAs long as a data packet that complies with the rules arrives, the LED light will be XY. How can this effect be achieved?There are many ways to do this: Use LOG target to send kernel logs, intercept rsyslogd, redirect to filter, and call shell to operate

Bare metal program for lighting LED lights with tq2440 buttons

correspond to gpb5, gpb6, gpb7, and gpb8 */# definegpb5_out (1 I will not talk about the specific principles and hardware analysis here. I have previously written an analysis called "tq2440 key-light LED driver, the difference is that in Linux, LEDs are terminated by keys, while bare metal programs are not interrupted by keys, we only treat the pins connected by the buttons as a general gpio port, and set the level of the

Raspberry Pi lights up an LED.

1. Visit the website: http://www.airspayce.com/mikem/bcm2835/, the website provides a library file for the Raspberry Pi: Click to download click to download. Follow the prompts to install.2. In the example folder in bcm2835-1.4.2, which is the history file, open the Bink folder, and use Gcc-o blink blink-l bcm2835 to generate blink execution files.3. In the Blink.c file, prompt to control the pin17 pin, that is, the green GPIO0 in the figure, connect the positive pole of the

How to disable LED lights after safely removing USB devices

After you safely delete the USB device from the system, you will find that the LED on the USB device is still on. In fact, this effect was changed only when the Vistaa system was used. The previous XP system was safely deleted and LED lights would be destroyed. At that time, Microsoft made a change to the system and used it until now. If you think that after you

A simple arm program that allows LED lights to shine. what's the problem?

A simple arm program that allows LED lights to shine. what's the problem? -- Linux general technology-Linux programming and kernel information. The following is a detailed description. A simple arm program with LED lights shining . Text . Global _ start _ Start: LDR R0, = 0x56000010 @; GPBCON Set Mov r1, #0x0001

Lights up an LED light.

1 /*********************************2 code function: Light an LED light3 using functions:4 Pinmode (PIN number, mode);5 Digitalwrite (PIN number, level state); Default low level (or floating space)6 creation time: 2016*10*077 Author Email: [Email protected]8 ********************************/9 intLED = -;//LED pin SettingTen voidSetup ()//initialization section (single execution) One { APinmode (

Re-pick the first day of single-chip LED lights

bright1, 2, 3 bright1, 2, 3, 4 bright。。。。。。1, 2, 3 ..... 8 All Bright——————————————————————————————————————————————————————————————————————————————————————————————Marquee Program code:1#include 2#include 3 #defineUchar8 unsigned char4 #defineuint16 unsigned int5 #defineLED P16 /*****************************/7 //function Name: delayms ()8 //function function: Delay9 //entry function: Delay millisecondTen //export function: None One /********* *******************/ A voiddelayms (uint16 val) - { -

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