10 for(i = 16; i < 20; i++)
13 for(i = 8; i < 16; i++)
17 void btn_read(char *line)
19 static uint8_t shiftdata = 0;
20 uint8_t led = B10001 << (shiftdata++ & 3);
21 sprintf(line, "BTN:%c%c%c%c%c%c%c SW:%c%c%c%c LED:%c%c%c%c%c%c%c%c\n",
22 digitalRead(0) ? '_' : '0',
23 digitalRead(1) ? '1' : '_',
24 digitalRead(2) ? '2' : '_',
25 digitalRead(3) ? '3' : '_',
26 digitalRead(4) ? '4' : '_',
27 digitalRead(5) ? '5' : '_',
28 digitalRead(6) ? '6' : '_',
29 digitalRead(16) ? '1' : '_',
30 digitalRead(17) ? '2' : '_',
31 digitalRead(18) ? '3' : '_',
32 digitalRead(19) ? '4' : '_',
33 led & B10000000 ? '7' : '_',
34 led & B01000000 ? '6' : '_',
35 led & B00100000 ? '5' : '_',
36 led & B00010000 ? '4' : '_',
37 led & B00001000 ? '3' : '_',
38 led & B00000100 ? '2' : '_',
39 led & B00000010 ? '1' : '_',
40 led & B00000001 ? '0' : '_'
42 for(int i = 0; i < 8; i++)
43 digitalWrite(8+i, led & (1<<i) ? 1 : 0);