Tina Dokic
/
Test_13_01_
-1_modifyBit_return_mask
main.cpp@1:cb2dac24de1b, 2020-01-13 (annotated)
- Committer:
- tina_dokic
- Date:
- Mon Jan 13 17:30:20 2020 +0000
- Revision:
- 1:cb2dac24de1b
- Parent:
- 0:d87fdef72565
- Child:
- 2:11a1722e34a4
2_modififyBit_return(mask---)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tina_dokic | 0:d87fdef72565 | 1 | #include "mbed.h" |
tina_dokic | 0:d87fdef72565 | 2 | // #define BUTTON1 pl4// M3:pusch joystick pin |
tina_dokic | 0:d87fdef72565 | 3 | // #define BUTTON1 A1//NUCLEO:Taster A1 |
tina_dokic | 0:d87fdef72565 | 4 | |
tina_dokic | 0:d87fdef72565 | 5 | int modifyBit(int x,unsigned char position, bool State); |
tina_dokic | 0:d87fdef72565 | 6 | int lauflicht(bool richtung, int time, int &anz); |
tina_dokic | 0:d87fdef72565 | 7 | void nibbleLeds(int value); |
tina_dokic | 0:d87fdef72565 | 8 | void printb(uint8_t x); |
tina_dokic | 0:d87fdef72565 | 9 | |
tina_dokic | 0:d87fdef72565 | 10 | BusOut myleds(LED1,LED2,LED3,LED4); |
tina_dokic | 0:d87fdef72565 | 11 | DigitalIn button(BUTTON1); |
tina_dokic | 0:d87fdef72565 | 12 | |
tina_dokic | 0:d87fdef72565 | 13 | const int INIT= 0x03; |
tina_dokic | 0:d87fdef72565 | 14 | |
tina_dokic | 0:d87fdef72565 | 15 | |
tina_dokic | 0:d87fdef72565 | 16 | int main() { |
tina_dokic | 0:d87fdef72565 | 17 | int anzahl, anz; |
tina_dokic | 0:d87fdef72565 | 18 | uint8_t value=INIT; |
tina_dokic | 0:d87fdef72565 | 19 | |
tina_dokic | 0:d87fdef72565 | 20 | anzahl=lauflicht(true,400,anz=0); |
tina_dokic | 0:d87fdef72565 | 21 | printf("anzahl=%d\n", anzahl); |
tina_dokic | 0:d87fdef72565 | 22 | |
tina_dokic | 0:d87fdef72565 | 23 | nibbleLeds(value); |
tina_dokic | 0:d87fdef72565 | 24 | printb(value); |
tina_dokic | 0:d87fdef72565 | 25 | value=modifyBit(value,2,1); |
tina_dokic | 0:d87fdef72565 | 26 | printb(modifyBit(INIT,3,1)); |
tina_dokic | 0:d87fdef72565 | 27 | wait(0.1); |
tina_dokic | 0:d87fdef72565 | 28 | } |
tina_dokic | 1:cb2dac24de1b | 29 | int modifyBit(int x,unsigned char position, bool State){ |
tina_dokic | 1:cb2dac24de1b | 30 | int mask=1<<position; |
tina_dokic | 1:cb2dac24de1b | 31 | int state=int(State); |
tina_dokic | 1:cb2dac24de1b | 32 | return (x & ~mask) | ((state << position) & mask); |
tina_dokic | 1:cb2dac24de1b | 33 | |
tina_dokic | 1:cb2dac24de1b | 34 | } |