ANANTHAKRISHNAN U S krishnan793

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krishnan793 / GPIO_Blink_LED.C

Last active August 29, 2015 14:16

This program will blink an LED connected to gpio23 of BeagleBoneBlack Board. Inorder for the code to work first set gpio port 23 as output. (echo 23 > /sys/class/gpio/export && echo out > /sys/class/gpio/gpio23/direction))

	#include<stdio.h>
	#include <unistd.h>

	int main(int argc, char* argv[])
	{
	if(argc!=3){
	printf("Syntax: %s <no_of_times_to_blink> <delay_us>\n",argv[0]);
	return 0;
	}
	int delay=atoi(argv[2]);

krishnan793 / BeagleBoneBlack_PushButton_LED.C

Last active August 29, 2015 14:16

BeagleBoneBlack Push Button + LED

	#include<stdio.h>
	#include<unistd.h>

	void Read(char switch_value, char val);
	void Write(char switch_value, char val);
	void Blink(char *led_value, int delay);

	int main()
	{
	char *led_direction="/sys/class/gpio/gpio23/direction";

krishnan793 / ADC_bash.sh

Last active August 29, 2015 14:16

Print ADC value

	value=$(cat /sys/bus/iio/devices/iio:device0/in_voltage0_raw)
	value=$(echo $value*0.0004394 \| bc)
	echo "$value V"

krishnan793 / view_picture.cpp

Created April 30, 2015 06:50

Program reads a picture file called boy.jpg in the current folder and displays it. After 1 second it will change to grey scale.

	#include<highgui.h>
	#include<cv.h>

	using namespace cv;

	int main()
	{
	Mat A,B;
	A=imread("boy.jpg"); //Read the image file
	namedWindow("Boy", CV_WINDOW_AUTOSIZE ); //Create a new window to show the image. Name the window as "boy"

krishnan793 / ESP8266_NodeMCU.ino

Created September 12, 2016 16:19

	int RED_LED = 12;
	int BLUE_LED = 13;
	int GREEN_LED = 14;


	void setup() {
	// Initialisation
	pinMode(RED_LED,OUTPUT);
	pinMode(BLUE_LED,OUTPUT);
	pinMode(GREEN_LED,OUTPUT);

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