NXC C programs, A description of each function used in the program. Theree programs: /*, Other Subject

NXC C programs, Other Subject

Assignment Help:

A description of each function used in the program.

Theree programs:

/* HiTechnic Experimenter''s Kit Program

Experiment - 6 Reaction Time Measurement

This program measures the time taken to press a button switch after an LED is turned on.

(c) HiTechnic 2009

*/
#include "NXCDefs.h"

#define PROTO_PORT IN_1

int currtime;
int deltatime;
int randomtime;
int inputdata;
int outputdata;
int count;
byte cmndbuf[]; // buffer for outbound I2C command
byte respbuf[]; // buffer for inbound I2C response

/* protoboard I/O map
42,43 - A0 input
44,45 - A1 input
46,47 - A2 input
48,49 - A3 input
4A,4B - A4 input
4C - B inputs
4D - B outputs
4E - B controls
*/

void readdata()
{
ArrayInit(cmndbuf, 0, 2); // set the buffer to hold 2 values
cmndbuf[0] = 0x02; // set write to channel
cmndbuf[1] = 0x4C; // to set read address
count=1; // 1 byte to read
I2CBytes(PROTO_PORT, cmndbuf, count, respbuf); // issue I2C write command and read the byte back
inputdata=respbuf[0]&0x03;
}

void writedata()
{
ArrayInit(cmndbuf, 0, 3); // set the buffer to hold 3 values
cmndbuf[0] = 0x02; // set write to channel
cmndbuf[1] = 0x4D; // to set write address
cmndbuf[2] = outputdata; // to set write data
count=0; // no bytes to read
I2CBytes(PROTO_PORT, cmndbuf, count, respbuf); // issue I2C write command and read the byte back
}

task main()
{
SetSensorLowspeed(PROTO_PORT); // set sensor port 1 to low speed serial (I2C)
Wait(100);

ArrayInit(cmndbuf, 0, 3); // set the buffer to hold 3 values
cmndbuf[0] = 0x02; // set write to channel
cmndbuf[1] = 0x4E; // to set write address
cmndbuf[2] = 0x30; // to write 001111
count=0; // no bytes to read
I2CBytes(PROTO_PORT, cmndbuf, count, respbuf); // issue I2C write command
Wait(100);

while (TRUE)
{
outputdata=0;
writedata();
ClearScreen();
TextOut(20, LCD_LINE2, "running");
randomtime=Random(5000)+5000;
Wait(randomtime);

outputdata=0x10;
writedata();
currtime=CurrentTick();

inputdata=0x00;
while(inputdata!=0x01)
{
readdata();
}
deltatime=CurrentTick()-currtime;
ClearScreen();
NumOut(20, LCD_LINE2, deltatime);

inputdata=0x00;
while(inputdata!=0x03)
{
readdata();
}
}
}

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages

NXC C programs, Other Subject

Related Discussions:- NXC C programs

Fire prevention, introduction topic for fire prevention

Show the main agents of socialisation, Question 1: (a) What is culture...

Card based electronic fund transfer, CARD BASED EFT EFT may be begun by...

Explain the social and religious differences in suicide, Problem 1: In ...

Post world war 1, Describe the agreements made during the war that shaped t...

Entrepreneurship, WHAT ARE THE CONTRIBUTIONS OF ENTREPRENEURS IN ECONOMIC D...

Online real time systems , what are the internal controls of online real ti...

B2g e-commerce, WHAT IS B2G E-COMMERCE? Business-to-government e-commer...

#title.utility, what is the relationship between utility, justice, rights, ...

OK, WHEN WERE AFRICAN AMERICANS REMOVED FROM OFFICE IN GEORGIA .

Write Your Message!

Featured Services

Online Tutoring

Project Development

Exam Preparation

Course Help

Assignment Help

Popular Subjects

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT