Jason Garner / registers-example

My attempt at using the mbed without the mbed libraries.

Dependencies:   ARM registers

Here is a main.cpp, that uses the registers library.

main.cpp@6:d40cd917854d, 2013-01-03 (annotated)

Committer:
elevatorguy
Date:
Thu Jan 03 05:10:49 2013 +0000
Revision:
6:d40cd917854d
Parent:
4:6ed8900881e8
Child:
7:411ae6b21c9b
better timeout example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elevatorguy 2:e26c096f1946 1 #include "registers.h"
elevatorguy 3:88da6c0412b0 2 DigitalOut led1(p20);
elevatorguy 6:d40cd917854d 3 DigitalOut led2(LED2);
elevatorguy 2:e26c096f1946 4 DigitalOut led3(LED3);
elevatorguy 2:e26c096f1946 5 DigitalOut led4(LED4);
elevatorguy 0:5fa5046f2ff5 6 DigitalIn switch1(p21);
elevatorguy 0:5fa5046f2ff5 7
elevatorguy 3:88da6c0412b0 8 Serial pc(115200);
elevatorguy 2:e26c096f1946 9 Timer t(1000); //ms resolution for a serial stopwatch demo
elevatorguy 2:e26c096f1946 10
elevatorguy 4:6ed8900881e8 11 Timeout tock;
elevatorguy 3:88da6c0412b0 12 Ticker tock2;
elevatorguy 3:88da6c0412b0 13
elevatorguy 6:d40cd917854d 14 extern "C" void turnOff(void) {
elevatorguy 6:d40cd917854d 15 led1 = 0;
elevatorguy 3:88da6c0412b0 16 }
elevatorguy 3:88da6c0412b0 17
elevatorguy 6:d40cd917854d 18 extern "C" void turnOn(void) {
elevatorguy 6:d40cd917854d 19 led1 = 1;
elevatorguy 6:d40cd917854d 20 tock.attach(&turnOff, 0.05);
elevatorguy 3:88da6c0412b0 21 }
elevatorguy 3:88da6c0412b0 22
elevatorguy 3:88da6c0412b0 23 int main() { //Timer and Ticker demonstration
elevatorguy 0:5fa5046f2ff5 24 switch1.mode(PULLDOWN);
elevatorguy 2:e26c096f1946 25 t.start();
elevatorguy 6:d40cd917854d 26 tock2.attach(&turnOn, 0.5);
elevatorguy 2:e26c096f1946 27 while(1)
elevatorguy 2:e26c096f1946 28 {
elevatorguy 2:e26c096f1946 29 double time = t;
elevatorguy 2:e26c096f1946 30 int h = 0;
elevatorguy 2:e26c096f1946 31 int m = 0;
elevatorguy 2:e26c096f1946 32 while(time > 3600)
elevatorguy 2:e26c096f1946 33 {
elevatorguy 2:e26c096f1946 34 time = time - 3600;
elevatorguy 2:e26c096f1946 35 h = h + 1;
elevatorguy 2:e26c096f1946 36 }
elevatorguy 2:e26c096f1946 37 while(time > 60)
elevatorguy 2:e26c096f1946 38 {
elevatorguy 2:e26c096f1946 39 time = time - 60;
elevatorguy 2:e26c096f1946 40 m = m + 1;
elevatorguy 2:e26c096f1946 41 }
elevatorguy 2:e26c096f1946 42 if(h < 10.0)
elevatorguy 2:e26c096f1946 43 {
elevatorguy 2:e26c096f1946 44 pc.putc('0');
elevatorguy 2:e26c096f1946 45 }
elevatorguy 2:e26c096f1946 46 if(h != 0)
elevatorguy 2:e26c096f1946 47 {
elevatorguy 2:e26c096f1946 48 pc.printf(h);
elevatorguy 2:e26c096f1946 49 }
elevatorguy 2:e26c096f1946 50 else
elevatorguy 2:e26c096f1946 51 {
elevatorguy 2:e26c096f1946 52 pc.putc('0');
elevatorguy 2:e26c096f1946 53 }
elevatorguy 2:e26c096f1946 54 pc.putc(':');
elevatorguy 2:e26c096f1946 55 if(m < 10.0)
elevatorguy 2:e26c096f1946 56 {
elevatorguy 2:e26c096f1946 57 pc.putc('0');
elevatorguy 2:e26c096f1946 58 }
elevatorguy 2:e26c096f1946 59 if(m != 0)
elevatorguy 2:e26c096f1946 60 {
elevatorguy 2:e26c096f1946 61 pc.printf(m);
elevatorguy 2:e26c096f1946 62 }
elevatorguy 2:e26c096f1946 63 else
elevatorguy 2:e26c096f1946 64 {
elevatorguy 2:e26c096f1946 65 pc.putc('0');
elevatorguy 2:e26c096f1946 66 }
elevatorguy 2:e26c096f1946 67 pc.putc(':');
elevatorguy 2:e26c096f1946 68 if(time < 10.0)
elevatorguy 2:e26c096f1946 69 {
elevatorguy 2:e26c096f1946 70 pc.putc('0');
elevatorguy 2:e26c096f1946 71 }
elevatorguy 2:e26c096f1946 72 if(time < 1.0)
elevatorguy 2:e26c096f1946 73 {
elevatorguy 2:e26c096f1946 74 pc.putc('0');
elevatorguy 2:e26c096f1946 75 }
elevatorguy 2:e26c096f1946 76 pc.printf(time, 100);
elevatorguy 2:e26c096f1946 77 int timeAsInt = time;
elevatorguy 2:e26c096f1946 78 if((time-timeAsInt)*100 < 10.0)
elevatorguy 2:e26c096f1946 79 {
elevatorguy 2:e26c096f1946 80 pc.putc('0');
elevatorguy 2:e26c096f1946 81 }
elevatorguy 2:e26c096f1946 82 if((time-timeAsInt)*100 < 1.0)
elevatorguy 2:e26c096f1946 83 {
elevatorguy 2:e26c096f1946 84 pc.putc('0');
elevatorguy 2:e26c096f1946 85 }
elevatorguy 2:e26c096f1946 86 pc.printf("\r\n");
elevatorguy 0:5fa5046f2ff5 87 }
elevatorguy 0:5fa5046f2ff5 88 }