Jon Fuge / Mbed 2 deprecated RenBuggy

Driver for controlling Renishaw RenBuggy

Dependencies:   SevenSegmentDisplay DCMotorDrive mbed MotorController

main.cpp@1:919b214c583c, 2013-12-24 (annotated)

Committer:
jf1452
Date:
Tue Dec 24 11:06:30 2013 +0000
Revision:
1:919b214c583c
Parent:
0:ae927e3c7264
Child:
2:4180acdfa77a
Some more comments added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jf1452 0:ae927e3c7264 1 /*******************************************************************************
jf1452 0:ae927e3c7264 2 * This program demonstrates how to drive the seven segment display *
jf1452 0:ae927e3c7264 3 * *
jf1452 0:ae927e3c7264 4 * Jon Fuge *
jf1452 0:ae927e3c7264 5 * V1.0 24/12/2013 First issue of code *
jf1452 0:ae927e3c7264 6 *******************************************************************************/
jf1452 0:ae927e3c7264 7
jf1452 0:ae927e3c7264 8 #include "mbed.h"
jf1452 0:ae927e3c7264 9 #include "SevenSegmentDisplay.h"
jf1452 0:ae927e3c7264 10
jf1452 0:ae927e3c7264 11 uint8_t ui8Tens = 0, ui8Units = 0;
jf1452 0:ae927e3c7264 12
jf1452 1:919b214c583c 13 // Options to instantiate SevenSegmentDisplay are...
jf1452 1:919b214c583c 14 // FADE: causes the number changes to fade in smoothly
jf1452 1:919b214c583c 15 // INSTANT: causes the an instant number change
jf1452 1:919b214c583c 16 // + FLASH: causes the display to flash
jf1452 1:919b214c583c 17 SevenSegmentDisplay segmentled( FADE );
jf1452 0:ae927e3c7264 18
jf1452 0:ae927e3c7264 19 void attimeout(); //declare prototype for timeout handler.
jf1452 0:ae927e3c7264 20
jf1452 0:ae927e3c7264 21 Ticker timeout; //Create an instance of class Ticker called timeout.
jf1452 0:ae927e3c7264 22
jf1452 0:ae927e3c7264 23 int main()
jf1452 0:ae927e3c7264 24 {
jf1452 1:919b214c583c 25 //segmentled.FlashRate(100); //Sets the flash rate to every 100ms
jf1452 1:919b214c583c 26 //segmentled.FadeMode(FADE + FLASH); //Changes display mode to fade with flash
jf1452 1:919b214c583c 27 //segmentled.FadeRate(10); // Sets the fade rate to 10ms intervals
jf1452 0:ae927e3c7264 28
jf1452 1:919b214c583c 29 // Set up interrupt to call attimeout() every half a second.
jf1452 1:919b214c583c 30 timeout.attach_us(&attimeout, 500000);
jf1452 1:919b214c583c 31
jf1452 1:919b214c583c 32 for(;;) {} // Loop forever (all the program uses interrupts.
jf1452 0:ae927e3c7264 33 }
jf1452 0:ae927e3c7264 34
jf1452 1:919b214c583c 35 void attimeout()
jf1452 0:ae927e3c7264 36 {
jf1452 0:ae927e3c7264 37 ui8Units ^= 0x80;
jf1452 0:ae927e3c7264 38 if ((ui8Units & 0x80) == 0) {
jf1452 1:919b214c583c 39 ui8Units++; // "units"
jf1452 1:919b214c583c 40 if (ui8Units > 36) { // cycle through entire range 0 -> 9, A -> Z
jf1452 0:ae927e3c7264 41 ui8Units = 0; // Reset the "units" to 0
jf1452 0:ae927e3c7264 42 ui8Tens++; // Increment "tens" digit
jf1452 1:919b214c583c 43 if (ui8Tens > 36) { // cycle through entire range 0 -> 9, A -> Z
jf1452 0:ae927e3c7264 44 ui8Tens = 0; // Reset the "tens" to 0
jf1452 0:ae927e3c7264 45 }
jf1452 0:ae927e3c7264 46 }
jf1452 0:ae927e3c7264 47 }
jf1452 1:919b214c583c 48 // Updates display with new values.
jf1452 1:919b214c583c 49 segmentled.SevenSegmentDisplayChange(ui8Tens, ui8Units);
jf1452 1:919b214c583c 50 }