Dominic Harg / Mbed 2 deprecated 02_TINF_Bitmanipulation

Bitmanipulation mit Stick

Dependencies:   mbed

main.cpp@0:da2c2685a56c, 2019-12-02 (annotated)

Committer:
haunsi
Date:
Mon Dec 02 18:28:53 2019 +0000
Revision:
0:da2c2685a56c
Child:
1:d2cce2700a45
Bitmanipulation mit Stick

Who changed what in which revision?

UserRevisionLine numberNew contents of line
haunsi 0:da2c2685a56c 1 #include "mbed.h"
haunsi 0:da2c2685a56c 2
haunsi 0:da2c2685a56c 3 BusOut leds(LED1, LED2, LED3, LED4);
haunsi 0:da2c2685a56c 4 DigitalIn btndown(p12);
haunsi 0:da2c2685a56c 5 DigitalIn btnleft(p13);
haunsi 0:da2c2685a56c 6 DigitalIn btnpush(p14);
haunsi 0:da2c2685a56c 7 DigitalIn btnup(p15);
haunsi 0:da2c2685a56c 8 DigitalIn btnright(p16);
haunsi 0:da2c2685a56c 9
haunsi 0:da2c2685a56c 10 void ledsreset(uint8_t mask);
haunsi 0:da2c2685a56c 11 void shiftlinks();
haunsi 0:da2c2685a56c 12
haunsi 0:da2c2685a56c 13 int main()
haunsi 0:da2c2685a56c 14 {
haunsi 0:da2c2685a56c 15 uint8_t mask = 0b00001111;
haunsi 0:da2c2685a56c 16 uint8_t value = 0b01010101;
haunsi 0:da2c2685a56c 17 while(1)
haunsi 0:da2c2685a56c 18 {
haunsi 0:da2c2685a56c 19 //leds = mask & value;
haunsi 0:da2c2685a56c 20 ledsreset(mask);
haunsi 0:da2c2685a56c 21
haunsi 0:da2c2685a56c 22 if(btnleft)
haunsi 0:da2c2685a56c 23 {
haunsi 0:da2c2685a56c 24 shiftlinks();
haunsi 0:da2c2685a56c 25 }
haunsi 0:da2c2685a56c 26 }
haunsi 0:da2c2685a56c 27 }
haunsi 0:da2c2685a56c 28 void ledsreset(uint8_t mask)
haunsi 0:da2c2685a56c 29 {
haunsi 0:da2c2685a56c 30 if(btnpush == 1)
haunsi 0:da2c2685a56c 31 {
haunsi 0:da2c2685a56c 32 leds = mask;
haunsi 0:da2c2685a56c 33 }
haunsi 0:da2c2685a56c 34 }
haunsi 0:da2c2685a56c 35 void shiftlinks()
haunsi 0:da2c2685a56c 36 {
haunsi 0:da2c2685a56c 37 leds = leds << 1;
haunsi 0:da2c2685a56c 38 wait_ms(500);
haunsi 0:da2c2685a56c 39 }