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Dependencies:   mbed

test.cpp@4:179695a6d7fd, 2020-01-13 (annotated)

Committer:
robertbuc
Date:
Mon Jan 13 17:39:15 2020 +0000
Revision:
4:179695a6d7fd
Parent:
3:380bc168e247
Child:
5:d0e564605224
nibble,printb und lauflicht

Who changed what in which revision?

UserRevisionLine numberNew contents of line
robertbuc 0:136627249b57 1 /*
robertbuc 0:136627249b57 2 weitere viele Beispiele in meinem WIKI
robertbuc 1:06d6570e52bc 3
robertbuc 1:06d6570e52bc 4 */
robertbuc 2:db4c700f1898 5
robertbuc 1:06d6570e52bc 6 #include "mbed.h"
robertbuc 1:06d6570e52bc 7 //#define BUTTON1 p14
robertbuc 1:06d6570e52bc 8 //#define BUTTON1 A1
robertbuc 0:136627249b57 9
robertbuc 0:136627249b57 10
robertbuc 1:06d6570e52bc 11 void nibbleLeds(int value);
robertbuc 2:db4c700f1898 12 void printb(uint8_t x);
robertbuc 4:179695a6d7fd 13 int lauflicht(bool richtung, int time, int &anz);
robertbuc 0:136627249b57 14
robertbuc 1:06d6570e52bc 15 BusOut myleds(LED1,LED2,LED3,LED4);
robertbuc 0:136627249b57 16 DigitalIn button(BUTTON1);
robertbuc 0:136627249b57 17
robertbuc 0:136627249b57 18 const int INIT=0x03;
robertbuc 0:136627249b57 19
robertbuc 0:136627249b57 20 int main()
robertbuc 0:136627249b57 21 {
robertbuc 1:06d6570e52bc 22 int anzahl,anz;
robertbuc 1:06d6570e52bc 23 uint8_t value=INIT;
robertbuc 4:179695a6d7fd 24
robertbuc 4:179695a6d7fd 25 anzahl=lauflicht(true,400,anz=0);
robertbuc 4:179695a6d7fd 26 printf("anzahl= %d\n",anzahl);
robertbuc 1:06d6570e52bc 27
robertbuc 1:06d6570e52bc 28 nibbleLeds(value);
robertbuc 2:db4c700f1898 29 printb(value);
robertbuc 1:06d6570e52bc 30 wait(0.1);
robertbuc 1:06d6570e52bc 31 }
robertbuc 1:06d6570e52bc 32
robertbuc 4:179695a6d7fd 33 int lauflicht(bool richtung, int time, int &anz)
robertbuc 4:179695a6d7fd 34 {
robertbuc 4:179695a6d7fd 35 int i;
robertbuc 4:179695a6d7fd 36 uint8_t lauf=0x01;
robertbuc 4:179695a6d7fd 37
robertbuc 4:179695a6d7fd 38 if(!richtung)
robertbuc 4:179695a6d7fd 39 {
robertbuc 4:179695a6d7fd 40 lauf=0x08;
robertbuc 4:179695a6d7fd 41 }
robertbuc 4:179695a6d7fd 42 while(1)
robertbuc 4:179695a6d7fd 43 {
robertbuc 4:179695a6d7fd 44 nibbleLeds(lauf&0x0F);
robertbuc 4:179695a6d7fd 45 if(richtung)
robertbuc 4:179695a6d7fd 46 {
robertbuc 4:179695a6d7fd 47 lauf=lauf<<1;
robertbuc 4:179695a6d7fd 48 if(lauf>8)
robertbuc 4:179695a6d7fd 49 lauf=0x01;
robertbuc 4:179695a6d7fd 50 }
robertbuc 4:179695a6d7fd 51 else
robertbuc 4:179695a6d7fd 52 {
robertbuc 4:179695a6d7fd 53 lauf=lauf>>1;
robertbuc 4:179695a6d7fd 54 if(lauf==0)
robertbuc 4:179695a6d7fd 55 {
robertbuc 4:179695a6d7fd 56 lauf==0x08;
robertbuc 4:179695a6d7fd 57 }
robertbuc 4:179695a6d7fd 58 }
robertbuc 4:179695a6d7fd 59 if(button)
robertbuc 4:179695a6d7fd 60 break;
robertbuc 4:179695a6d7fd 61 wait_ms(time);
robertbuc 4:179695a6d7fd 62 anz++;
robertbuc 4:179695a6d7fd 63 }
robertbuc 4:179695a6d7fd 64 return anz;
robertbuc 4:179695a6d7fd 65 }
robertbuc 4:179695a6d7fd 66
robertbuc 4:179695a6d7fd 67
robertbuc 4:179695a6d7fd 68
robertbuc 2:db4c700f1898 69 void printb(uint8_t x)
robertbuc 1:06d6570e52bc 70 {
robertbuc 2:db4c700f1898 71 for(int i=sizeof(x)<<3;i;i--)
robertbuc 2:db4c700f1898 72 putchar('0'+((x>>(i-1))&1));
robertbuc 2:db4c700f1898 73 printf("\n");
robertbuc 2:db4c700f1898 74 }
robertbuc 3:380bc168e247 75
robertbuc 3:380bc168e247 76 void nibbleLeds(int value)
robertbuc 3:380bc168e247 77 {
robertbuc 3:380bc168e247 78 myleds=value%16;
robertbuc 3:380bc168e247 79 }