tim008 tim008 / Mbed 2 deprecated lab3_grupa2_tim008_z2

Adnan Mehanovic Faruk Mustafic

Dependencies:   mbed

main.cpp@0:2144396e0e9b, 2014-03-17 (annotated)

Committer:
tim008
Date:
Mon Mar 17 10:50:49 2014 +0000
Revision:
0:2144396e0e9b
PAI_grupa2_tim008_lab3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tim008 0:2144396e0e9b 1 #include "mbed.h"
tim008 0:2144396e0e9b 2
tim008 0:2144396e0e9b 3 #include <cmath>
tim008 0:2144396e0e9b 4
tim008 0:2144396e0e9b 5 #define EYE_WAIT_TIME 10 // microseconds
tim008 0:2144396e0e9b 6 #define DEBOUNCE_TIME 100
tim008 0:2144396e0e9b 7
tim008 0:2144396e0e9b 8 #define HIGH 1 // xD
tim008 0:2144396e0e9b 9 #define LOW 0
tim008 0:2144396e0e9b 10
tim008 0:2144396e0e9b 11 int counter = 0;
tim008 0:2144396e0e9b 12
tim008 0:2144396e0e9b 13 BusOut segments(dp2, dp1, dp28, dp6, dp5, dp27, dp26);
tim008 0:2144396e0e9b 14 BusOut digit(dp23, dp24, dp25);
tim008 0:2144396e0e9b 15 DigitalOut decimal_point(dp4);
tim008 0:2144396e0e9b 16
tim008 0:2144396e0e9b 17 BusIn columns(dp9,dp10,dp11,dp13);
tim008 0:2144396e0e9b 18 BusOut rows(dp16, dp15, dp17, dp18);
tim008 0:2144396e0e9b 19
tim008 0:2144396e0e9b 20 int digit_buffer[3] = {1, 2, 3};
tim008 0:2144396e0e9b 21 unsigned int predefined_segments[19] = {0x01, 0x4f, 0x12, 0x06, 0x4c,
tim008 0:2144396e0e9b 22 0x24, 0x20, 0x0f, 0x00, 0x04,
tim008 0:2144396e0e9b 23 0x08,0x60,0x31,0x42,0x30,0x38,
tim008 0:2144396e0e9b 24 ~(0x01), 0x36, ~0};
tim008 0:2144396e0e9b 25
tim008 0:2144396e0e9b 26 int pressed_button() {
tim008 0:2144396e0e9b 27
tim008 0:2144396e0e9b 28 if(counter > 5) {
tim008 0:2144396e0e9b 29 counter = 0;
tim008 0:2144396e0e9b 30 } else {
tim008 0:2144396e0e9b 31 counter++;
tim008 0:2144396e0e9b 32 return -1;
tim008 0:2144396e0e9b 33 }
tim008 0:2144396e0e9b 34
tim008 0:2144396e0e9b 35 int lookup[] = {1, 2, 3, 10, 4, 5, 6, 11,
tim008 0:2144396e0e9b 36 7, 8, 9, 12, 16, 0, 17, 13};
tim008 0:2144396e0e9b 37
tim008 0:2144396e0e9b 38 for(int i = 0; i <= 3; i++) {
tim008 0:2144396e0e9b 39 rows = (1 << i); // probe a row
tim008 0:2144396e0e9b 40 for(int j = 0; j <= 3; j++)
tim008 0:2144396e0e9b 41 if(columns == (1 << j))
tim008 0:2144396e0e9b 42 return lookup[ i * 4 + j ];
tim008 0:2144396e0e9b 43 }
tim008 0:2144396e0e9b 44
tim008 0:2144396e0e9b 45 return -1;
tim008 0:2144396e0e9b 46 }
tim008 0:2144396e0e9b 47
tim008 0:2144396e0e9b 48 void display_digit_buffer() {
tim008 0:2144396e0e9b 49 if(digit_buffer[2] == 12) {
tim008 0:2144396e0e9b 50 digit_buffer[0] = 18;
tim008 0:2144396e0e9b 51 digit_buffer[1] = 18;
tim008 0:2144396e0e9b 52 digit_buffer[2] = 18;
tim008 0:2144396e0e9b 53 }
tim008 0:2144396e0e9b 54 for(int i = 1; i <= 4; i = i * 2) { // ne moze *=
tim008 0:2144396e0e9b 55 digit = ~i;
tim008 0:2144396e0e9b 56 segments = predefined_segments[ digit_buffer[i / 2] ];
tim008 0:2144396e0e9b 57 decimal_point = 1;
tim008 0:2144396e0e9b 58 wait_ms(EYE_WAIT_TIME);
tim008 0:2144396e0e9b 59 }
tim008 0:2144396e0e9b 60 }
tim008 0:2144396e0e9b 61
tim008 0:2144396e0e9b 62 void buffer(int button) {
tim008 0:2144396e0e9b 63 if(button == -1) return;
tim008 0:2144396e0e9b 64
tim008 0:2144396e0e9b 65 for(int i = 0; i <= 1; i++)
tim008 0:2144396e0e9b 66 digit_buffer[i] = digit_buffer[i + 1];
tim008 0:2144396e0e9b 67
tim008 0:2144396e0e9b 68 digit_buffer[2] = button;
tim008 0:2144396e0e9b 69 }
tim008 0:2144396e0e9b 70
tim008 0:2144396e0e9b 71 int main() {
tim008 0:2144396e0e9b 72
tim008 0:2144396e0e9b 73 while(true) {
tim008 0:2144396e0e9b 74 buffer(pressed_button());
tim008 0:2144396e0e9b 75 display_digit_buffer();
tim008 0:2144396e0e9b 76 //wait_ms(50);
tim008 0:2144396e0e9b 77 }
tim008 0:2144396e0e9b 78
tim008 0:2144396e0e9b 79 return 0;
tim008 0:2144396e0e9b 80 }