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

Social and structural determinants of population health, Social and Structu...

How internet relevant to e-commerce, HOW IS THE INTERNET RELEVANT TO E-COMM...

#title.education and society., what are factors affecting wastage and stagn...

Strength perspective in social work, strength perspective

Public administration, Public Administration: It is a branch of political ...

Managerial Analysis, 1.Define APV. How does it differ from NPV? 2.Identify ...

Business environment, privatisation of indian economy

Portal -engine business unit, Project Name : Portal -Engine Business Unit, ...

Bert''s Bonsai, Bert’s Bonsai is a small company, started by a retired plan...

Advantages of client -server architecture, Advantages In mainly case...

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