Applied engineering Team
/
programskiZadatak
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Dependencies: mbed
Revision 0:7f642f42dec0, committed 2016-12-13
- Comitter:
- dfraj
- Date:
- Tue Dec 13 19:37:48 2016 +0000
- Commit message:
- Ultrazvucno mjerenje udaljenosti sa prikazom na dva sedam segmentna displeja
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 7f642f42dec0 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Dec 13 19:37:48 2016 +0000
@@ -0,0 +1,154 @@
+#include "mbed.h"
+
+Ticker osvjezavanje;
+Serial pc(USBTX, USBRX);
+DigitalOut trig (p29);
+DigitalIn echo (p30);
+PwmOut led(p21);
+int alarm;
+BusInOut inputSW(p24, p25, p26, p27);
+DigitalOut Dis1(p19);
+DigitalOut Dis2(p20);
+BusOut Seg(p5,p6,p7,p8,p9,p10,p11,p12);
+int prikaz;
+int Znak1;
+int Znak2;
+int brojac;
+Timer tmr;
+double pulsedur, distance;
+char SegConvert(char SegValue);
+void displays();
+
+int main()
+{
+ inputSW.mode(PullUp);
+ led.period(0.001);
+ osvjezavanje.attach(&displays, 0.005);
+ while(1) {
+ tmr.reset();
+ trig = 1;
+ wait_us(10);
+ trig = 0;
+
+ while (!echo);
+ tmr.start();
+
+ while (echo);
+ tmr.stop();
+
+ pulsedur = tmr.read_us();
+ distance = pulsedur/58;
+ pc.printf("pulsedur=%8.2f\n\r", distance);
+ switch(inputSW) {
+ case 0x1:
+ alarm=4;
+ break;
+ case 0x2:
+ alarm=6;
+ break;
+ case 0x3:
+ alarm=8;
+ break;
+ case 0x4:
+ alarm=10;
+ break;
+ case 0x5:
+ alarm=12;
+ break;
+ case 0x6:
+ alarm=14;
+ break;
+ case 0x7:
+ alarm=16;
+ break;
+ case 0x8:
+ alarm=18;
+ break;
+ case 0x9:
+ alarm=20;
+ break;
+ case 0xA:
+ alarm=22;
+ break;
+ case 0xB:
+ alarm=24;
+ break;
+ case 0xC:
+ alarm=26;
+ break;
+ case 0xD:
+ alarm=28;
+ break;
+ case 0xE:
+ alarm=30;
+ break;
+ case 0xF:
+ alarm=32;
+ break;
+ default :
+ alarm=2;
+ }
+ if (alarm>distance) {
+ led=0.5;
+ } else {
+ led=0.0;
+ }
+ prikaz = distance*100;
+ Znak1 = prikaz/1000;
+ Znak2 = (prikaz/100)%10;
+ wait(0.5);
+ }
+}
+
+void displays(){
+ switch (++brojac) {
+ case 1:
+ Dis1=1;
+ Dis2=0;
+ Seg=SegConvert(Znak1);
+ break;
+ case 2:
+ Dis1=0;
+ Dis2=1;
+ Seg=SegConvert(Znak2);
+ brojac=0;
+ break;
+ }
+}
+
+char SegConvert(char SegValue){
+ char SegByte=0x00;
+ switch (SegValue) {
+ case 0 :
+ SegByte = 0x3F;
+ break;
+ case 1 :
+ SegByte = 0x06;
+ break;
+ case 2 :
+ SegByte = 0x5B;
+ break;
+ case 3 :
+ SegByte = 0x4F;
+ break;
+ case 4 :
+ SegByte = 0x66;
+ break;
+ case 5 :
+ SegByte = 0x6D;
+ break;
+ case 6 :
+ SegByte = 0x7D;
+ break;
+ case 7 :
+ SegByte = 0x07;
+ break;
+ case 8 :
+ SegByte = 0x7F;
+ break;
+ case 9 :
+ SegByte = 0x6F;
+ break;
+ }
+ return SegByte;
+}
\ No newline at end of file
diff -r 000000000000 -r 7f642f42dec0 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Dec 13 19:37:48 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/d75b3fe1f5cb \ No newline at end of file