#include <linux/init.h>
#include <linux/module.h>
#include <asm/io.h>
#include <mach/platform.h>
#include <linux/timer.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <asm/uaccess.h>

MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("First kernel module");
MODULE_AUTHOR("SUNIL");

static int value = 170;
static int major;
static char msg[200];
static int times = 0;

static int dev_open(struct inode *, struct file *);
static int dev_rls(struct inode *, struct file *);
static ssize_t dev_read(struct file *, char *, size_t , loff_t *);
static ssize_t dev_write(struct file *, const char *, size_t, loff_t *);

struct GpioRegisters
{
uint32_t GPFSEL[6];
uint32_t Reserved1;
uint32_t GPSET[2];
uint32_t Reserved2;
uint32_t GPCLR[2];
};

struct GpioRegisters *s_pGpioRegs;

static void SetGPIOFunction(struct GpioRegisters *s_pGpioRegisters, int GPIO, int functionCode)
{
int registerIndex = GPIO / 10;
int bit = (GPIO % 10) * 3;

1.) In the circuit below, the voltage source has been for a long ti...