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Engagement
  • Author Author: Former Member
  • Date Created: 25 Mar 2014 10:54 PM Date Created
  • Views 320 views
  • Likes 0 likes
  • Comments 0 comments
  • digit
  • segment
  • display
  • 7
  • 4
Related
Recommended

I would like some help

Former Member
Former Member
25 Mar 2014

I am using a MSP430

Can you please tell me

How can i put the correct numbers that i want to be on the 4 digit 7 segment display

////////////////////////////////////////////////

int digit1 = 2; //PWM Display pin 1

int digit2 = 10; //PWM Display pin 2

int digit3 = 14; //PWM Display pin 6

int digit4 = 19; //PWM Display pin 8

 

 

int segA = 5; //Display pin 14

int segB = 6; //Display pin 16

int segC = 7; //Display pin 13

int segD = 8; //Display pin 3

int segE = 18; //Display pin 5

int segF = 15; //Display pin 11

int segG = 11; //Display pin 15

int num=0;

void setup() {

pinMode(segA, OUTPUT);

pinMode(segB, OUTPUT);

pinMode(segC, OUTPUT);

pinMode(segD, OUTPUT);

pinMode(segE, OUTPUT);

pinMode(segF, OUTPUT);

pinMode(segG, OUTPUT);

pinMode(digit1, OUTPUT);

pinMode(digit2, OUTPUT);

pinMode(digit3, OUTPUT);

pinMode(digit4, OUTPUT);

Serial.begin(9600);

pinMode(13, OUTPUT);

}

void loop()

{

 

 

if(Serial.available()>0)

{

num = Serial.read();

}

dispNumber(num);

}

void dispNumber(byte toDisplay) {

#define DISPLAY_BRIGHTNESS 600

#define DIGIT_ON HIGH

#define DIGIT_OFF LOW

long beginTime = millis();

for(int digit = 4 ; digit > 0 ; digit--) {

//Turn on a digit for a short amount of time

switch(digit) {

case 1:

digitalWrite(digit1, DIGIT_ON);

break;

case 2:

digitalWrite(digit2, DIGIT_ON);

break;

case 3:

digitalWrite(digit3, DIGIT_ON);

break;

case 4:

digitalWrite(digit4, DIGIT_ON);

break;

}

//Turn on the right segments for this digit

ligNumber(toDisplay % 10);

toDisplay /= 10;

delayMicroseconds(DISPLAY_BRIGHTNESS); //Display this digit for a fraction of a second

//Turn off all segments

ligNumber(10);

//Turn off all digits

digitalWrite(digit1, DIGIT_OFF);

digitalWrite(digit2, DIGIT_OFF);

digitalWrite(digit3, DIGIT_OFF);

digitalWrite(digit4, DIGIT_OFF);

}

while( (millis() - beginTime) < 10) ; //Wait for 20ms to pass before we paint the display again

}

void ligNumber(int numToDisplay) {

#define SEGMENT_ON LOW

#define SEGMENT_OFF HIGH

switch (numToDisplay){

case 0:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_ON);

digitalWrite(segF, SEGMENT_ON);

digitalWrite(segG, SEGMENT_OFF);

break;

case 1:

digitalWrite(segA, SEGMENT_OFF);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_OFF);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_OFF);

digitalWrite(segG, SEGMENT_OFF);

break;

case 2:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_OFF);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_ON);

digitalWrite(segF, SEGMENT_OFF);

digitalWrite(segG, SEGMENT_ON);

break;

case 3:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_OFF);

digitalWrite(segG, SEGMENT_ON);

break;

case 4:

digitalWrite(segA, SEGMENT_OFF);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_OFF);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_ON);

digitalWrite(segG, SEGMENT_ON);

break;

case 5:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_OFF);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_ON);

digitalWrite(segG, SEGMENT_ON);

break;

case 6:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_OFF);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_ON);

digitalWrite(segF, SEGMENT_ON);

digitalWrite(segG, SEGMENT_ON);

break;

case 7:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_OFF);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_OFF);

digitalWrite(segG, SEGMENT_OFF);

break;

case 8:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_ON);

digitalWrite(segF, SEGMENT_ON);

digitalWrite(segG, SEGMENT_ON);

break;

case 9:

digitalWrite(segA, SEGMENT_ON);

digitalWrite(segB, SEGMENT_ON);

digitalWrite(segC, SEGMENT_ON);

digitalWrite(segD, SEGMENT_ON);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_ON);

digitalWrite(segG, SEGMENT_ON);

break;

case 10:

digitalWrite(segA, SEGMENT_OFF);

digitalWrite(segB, SEGMENT_OFF);

digitalWrite(segC, SEGMENT_OFF);

digitalWrite(segD, SEGMENT_OFF);

digitalWrite(segE, SEGMENT_OFF);

digitalWrite(segF, SEGMENT_OFF);

digitalWrite(segG, SEGMENT_OFF);

break;

}

}

/////////////////////////////

Thank you.

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