Sandro Djuric / Mbed 2 deprecated Test1_SandroDjuric

funktionen

Dependencies:   mbed

main.cpp@8:2637f87eccde, 2020-01-13 (annotated)

Committer:
sandrodjuric
Date:
Mon Jan 13 17:24:31 2020 +0000
Revision:
8:2637f87eccde
Parent:
7:39a959781934
Child:
9:6b36cc59d72c
main

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sandrodjuric 0:8c6f1d850a3c 1 #include "mbed.h"
sandrodjuric 0:8c6f1d850a3c 2
sandrodjuric 8:2637f87eccde 3 #define BUTTON1 A1
sandrodjuric 2:5b052d18a113 4
sandrodjuric 1:2beb3ea0c40f 5 int modifyBit(int x, unsigned char position, bool State);
sandrodjuric 1:2beb3ea0c40f 6 int lauflicht(bool richtung, int time, int &anz);
sandrodjuric 1:2beb3ea0c40f 7 void nibbleLeds(int value);
sandrodjuric 2:5b052d18a113 8 void printb(uint8_t x);
sandrodjuric 2:5b052d18a113 9
sandrodjuric 2:5b052d18a113 10 BusOut myleds(LED1,LED2,LED3,LED4);
sandrodjuric 2:5b052d18a113 11 DigitalIn button(BUTTON1);
sandrodjuric 2:5b052d18a113 12
sandrodjuric 2:5b052d18a113 13 const int INIT = 0x03;
sandrodjuric 3:57ccaba4a24d 14
sandrodjuric 3:57ccaba4a24d 15 int main(){
sandrodjuric 3:57ccaba4a24d 16 int anzahl,anz;
sandrodjuric 3:57ccaba4a24d 17 uint8_t value = INIT;
sandrodjuric 7:39a959781934 18
sandrodjuric 7:39a959781934 19 anzahl= lauflicht(true, 400, anz=0);
sandrodjuric 7:39a959781934 20 printf("anzahl= %d\n", anzahl);
sandrodjuric 7:39a959781934 21
sandrodjuric 7:39a959781934 22 nibbleLeds(value);
sandrodjuric 7:39a959781934 23 printb(value);
sandrodjuric 7:39a959781934 24 value=modifyBit(value,2,1);
sandrodjuric 7:39a959781934 25 printb(myleds);
sandrodjuric 7:39a959781934 26 printb(modifyBit(INIT,3,1));
sandrodjuric 7:39a959781934 27 wait(0.1);
sandrodjuric 3:57ccaba4a24d 28 }
sandrodjuric 3:57ccaba4a24d 29
sandrodjuric 3:57ccaba4a24d 30 int modifyBit(int x, unsigned char position, bool State)
sandrodjuric 3:57ccaba4a24d 31 {
sandrodjuric 3:57ccaba4a24d 32 int mask = 1 << position;
sandrodjuric 3:57ccaba4a24d 33 int state = int(State);
sandrodjuric 3:57ccaba4a24d 34 return (x & ~mask)|((state << position) & mask);
sandrodjuric 4:25e070866cf0 35 }
sandrodjuric 4:25e070866cf0 36
sandrodjuric 4:25e070866cf0 37 int lauflicht(bool richtung, int time, int &anz)
sandrodjuric 4:25e070866cf0 38 {
sandrodjuric 4:25e070866cf0 39 int i;
sandrodjuric 4:25e070866cf0 40 uint8_t lauf = 0x01;
sandrodjuric 4:25e070866cf0 41
sandrodjuric 4:25e070866cf0 42 if(!richtung)
sandrodjuric 4:25e070866cf0 43 lauf = 0x08;
sandrodjuric 4:25e070866cf0 44 while(1){
sandrodjuric 4:25e070866cf0 45 nibbleLeds(lauf&0x0F);
sandrodjuric 4:25e070866cf0 46 if(richtung){
sandrodjuric 4:25e070866cf0 47 lauf = lauf<<1;
sandrodjuric 4:25e070866cf0 48 if(lauf>8)
sandrodjuric 4:25e070866cf0 49 lauf=0x01;
sandrodjuric 4:25e070866cf0 50 }
sandrodjuric 4:25e070866cf0 51 else{
sandrodjuric 4:25e070866cf0 52 lauf=lauf >> 1;
sandrodjuric 4:25e070866cf0 53 if(lauf==0)
sandrodjuric 4:25e070866cf0 54 lauf=0x08;
sandrodjuric 4:25e070866cf0 55 }
sandrodjuric 4:25e070866cf0 56 if(button)
sandrodjuric 4:25e070866cf0 57 break;
sandrodjuric 4:25e070866cf0 58 wait_ms(time);
sandrodjuric 4:25e070866cf0 59 anz++;
sandrodjuric 4:25e070866cf0 60 }
sandrodjuric 4:25e070866cf0 61 return anz;
sandrodjuric 5:0b09788019ab 62 }
sandrodjuric 5:0b09788019ab 63
sandrodjuric 5:0b09788019ab 64 void printb(uint8_t x)
sandrodjuric 5:0b09788019ab 65 {
sandrodjuric 5:0b09788019ab 66 for(int i=sizeof(x)<<3;i;i--)
sandrodjuric 5:0b09788019ab 67 putchar('0'+((x>>(i-1))&1));
sandrodjuric 5:0b09788019ab 68 printf("\n");
sandrodjuric 6:de6ff5fc4192 69 }
sandrodjuric 6:de6ff5fc4192 70
sandrodjuric 6:de6ff5fc4192 71 void nibbleLeds(int value)
sandrodjuric 6:de6ff5fc4192 72 {
sandrodjuric 6:de6ff5fc4192 73 myleds=value%16;
sandrodjuric 5:0b09788019ab 74 }