TVZ Mechatronics Team / SevenSegmentDisplay

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

SevenSegmentDisplay.cpp

Committer:
tbjazic
Date:
2014-12-11
Revision:
0:9378fe6db796

File content as of revision 0:9378fe6db796:

#include "SevenSegmentDisplay.h"

SevenSegmentDisplay::SevenSegmentDisplay(PinName a, 
                                         PinName b, 
                                         PinName c, 
                                         PinName d, 
                                         PinName e, 
                                         PinName f, 
                                         PinName g, 
                                         PinName dp,
                                         ConnectionMode mode):
                           display(dp, g, f, e, d, c, b, a) 
{
    display.output();
    if (mode == CommonAnode)
        display.mode(OpenDrain);
    this->mode = mode;
    init();
}

void SevenSegmentDisplay::init() {
    if (mode == CommonAnode)
        display = 0xFF;
    else
        display = 0x00;
}

void SevenSegmentDisplay::turnOn(int disp) {
    if (mode == CommonAnode)
        display = disp;
    else
        display = ~disp;
}

void SevenSegmentDisplay::print(char c) {
    switch(c) {              // a b c d  e f g dp 
    case '0':
        turnOn(0x03);        // 0 0 0 0  0 0 1 1 (CommonAnode, ~CommonCathode)
        break;
    case '1':
        turnOn(0x9F);        // 1 0 0 1  1 1 1 1 (CommonAnode, ~CommonCathode)
        break;
    case '2':
        turnOn(0x25);        // 0 0 1 0  0 1 0 1 (CommonAnode, ~CommonCathode)
        break;
    case '3':
        turnOn(0x0D);        // 0 0 0 0  1 1 0 1 (CommonAnode, ~CommonCathode)
        break;
    case '4':
        turnOn(0x99);        // 1 0 0 1  1 0 0 1 (CommonAnode, ~CommonCathode)
        break;
    case '5':
        turnOn(0x49);        // 0 1 0 0  1 0 0 1 (CommonAnode, ~CommonCathode)
        break;
    case '6':
        turnOn(0x41);        // 0 1 0 0  0 0 0 1 (CommonAnode, ~CommonCathode)
        break;
    case '7':
        turnOn(0x1F);        // 0 0 0 1  1 1 1 1 (CommonAnode, ~CommonCathode)
        break;
    case '8':
        turnOn(0x01);        // 0 0 0 0  0 0 0 1 (CommonAnode, ~CommonCathode)
        break;
    case '9':
        turnOn(0x09);        // 0 0 0 0  1 0 0 1 (CommonAnode, ~CommonCathode)
        break;
    default:
        init();
    }
}