![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
initial commit and publish
main.cpp@5:c7b761205cd6, 2020-01-13 (annotated)
- Committer:
- kafka
- Date:
- Mon Jan 13 18:11:55 2020 +0000
- Revision:
- 5:c7b761205cd6
- Parent:
- 4:a1b882076f41
fehler behoben!
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kafka | 0:886ff6a91b2c | 1 | #include "mbed.h" |
kafka | 5:c7b761205cd6 | 2 | //#define BUTTON1 A1 |
kafka | 5:c7b761205cd6 | 3 | //#define BUTTON1 p14 |
kafka | 4:a1b882076f41 | 4 | BusOut myleds(LED1,LED2,LED3,LED4); |
kafka | 0:886ff6a91b2c | 5 | DigitalIn button(BUTTON1); |
kafka | 0:886ff6a91b2c | 6 | |
kafka | 0:886ff6a91b2c | 7 | void nibbleLeds(int value); |
kafka | 1:dcfefb503be4 | 8 | void printb(uint8_t x); |
kafka | 2:6a2101a16cef | 9 | int modifyBit(int x, uint8_t position, bool State); |
kafka | 3:c1dee77b3e02 | 10 | int lauflicht(bool richtung, int time, int &anz); |
kafka | 0:886ff6a91b2c | 11 | const int INIT = 0x03; |
kafka | 0:886ff6a91b2c | 12 | |
kafka | 0:886ff6a91b2c | 13 | |
kafka | 0:886ff6a91b2c | 14 | int main() { |
kafka | 0:886ff6a91b2c | 15 | int anzahl, anz; |
kafka | 0:886ff6a91b2c | 16 | uint8_t value = INIT; |
kafka | 3:c1dee77b3e02 | 17 | anzahl = lauflicht(true, 400, anz = 0); |
kafka | 0:886ff6a91b2c | 18 | |
kafka | 0:886ff6a91b2c | 19 | printf("anzahl = %d\n", anzahl); |
kafka | 0:886ff6a91b2c | 20 | nibbleLeds(value); |
kafka | 1:dcfefb503be4 | 21 | printb(myleds); |
kafka | 2:6a2101a16cef | 22 | value = modifyBit(value, 2, 1); |
kafka | 2:6a2101a16cef | 23 | printb(myleds); |
kafka | 2:6a2101a16cef | 24 | printb(modifyBit(value, 3, 1)); |
kafka | 0:886ff6a91b2c | 25 | wait(0.1); |
kafka | 1:dcfefb503be4 | 26 | } |
kafka | 0:886ff6a91b2c | 27 | |
kafka | 1:dcfefb503be4 | 28 | void nibbleLeds(int value) { |
kafka | 4:a1b882076f41 | 29 | myleds = value % 16; |
kafka | 0:886ff6a91b2c | 30 | } |
kafka | 1:dcfefb503be4 | 31 | |
kafka | 1:dcfefb503be4 | 32 | void printb(uint8_t x){ |
kafka | 4:a1b882076f41 | 33 | for(int i = sizeof(x) << 3; i; i--) |
kafka | 1:dcfefb503be4 | 34 | putchar('0' + ((x >> (i - 1)) & 1)); |
kafka | 1:dcfefb503be4 | 35 | printf("\n"); |
kafka | 2:6a2101a16cef | 36 | } |
kafka | 2:6a2101a16cef | 37 | |
kafka | 2:6a2101a16cef | 38 | int modifyBit(int x, uint8_t position, bool State){ |
kafka | 2:6a2101a16cef | 39 | int mask = 1 << position; |
kafka | 2:6a2101a16cef | 40 | int state = int(State); |
kafka | 2:6a2101a16cef | 41 | return (x & ~mask) | ((state << position) & mask); |
kafka | 2:6a2101a16cef | 42 | } |
kafka | 3:c1dee77b3e02 | 43 | |
kafka | 3:c1dee77b3e02 | 44 | int lauflicht(bool richtung, int time, int &anz){ |
kafka | 5:c7b761205cd6 | 45 | int i; |
kafka | 3:c1dee77b3e02 | 46 | uint8_t lauf = 0x01; |
kafka | 3:c1dee77b3e02 | 47 | |
kafka | 3:c1dee77b3e02 | 48 | if(!richtung) |
kafka | 3:c1dee77b3e02 | 49 | lauf = 0x08; |
kafka | 3:c1dee77b3e02 | 50 | while(1) { |
kafka | 3:c1dee77b3e02 | 51 | nibbleLeds(lauf & 0x0f); |
kafka | 3:c1dee77b3e02 | 52 | if(richtung){ |
kafka | 3:c1dee77b3e02 | 53 | lauf = lauf << 1; |
kafka | 3:c1dee77b3e02 | 54 | if (lauf > 8) |
kafka | 5:c7b761205cd6 | 55 | lauf = 0x01; |
kafka | 3:c1dee77b3e02 | 56 | } |
kafka | 3:c1dee77b3e02 | 57 | else { |
kafka | 3:c1dee77b3e02 | 58 | lauf = lauf >> 1; |
kafka | 5:c7b761205cd6 | 59 | if (lauf == 0) |
kafka | 3:c1dee77b3e02 | 60 | lauf = 0x08; |
kafka | 3:c1dee77b3e02 | 61 | } |
kafka | 3:c1dee77b3e02 | 62 | if (button) |
kafka | 3:c1dee77b3e02 | 63 | break; |
kafka | 3:c1dee77b3e02 | 64 | wait_ms(time); |
kafka | 3:c1dee77b3e02 | 65 | anz++; |
kafka | 3:c1dee77b3e02 | 66 | } |
kafka | 3:c1dee77b3e02 | 67 | return anz; |
kafka | 3:c1dee77b3e02 | 68 | } |