IR_Blaster/display.cpp at master · EEScott/IR_Blaster · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151


#include "display.h"

void Display::init(){
	Serial.println("Initializing Display.");
	// segments:
	pinMode(DISP0, OUTPUT);
	pinMode(DISP1, OUTPUT);
	pinMode(DISP2, OUTPUT);
	pinMode(DISP3, OUTPUT);
	pinMode(DISP4, OUTPUT);
	pinMode(DISP5, OUTPUT);
	pinMode(DISP6, OUTPUT);
	// digit select:
	pinMode(ONES_DIGIT_PIN, OUTPUT);
	pinMode(TENS_DIGIT_PIN, OUTPUT);
	digitalWrite(ONES_DIGIT_PIN, HIGH);
	digitalWrite(TENS_DIGIT_PIN, HIGH);
	blink = false;
}

void Display::delay_with_refresh(int delay_length){
	delay_length /= 2;
	for (int i = 0; i < delay_length; i++){
		refresh();
	}
}

void Display::write_digit(int number, int digit){
	clear_display();

	// turn off digits
	digitalWrite(ONES_DIGIT_PIN,HIGH);
	digitalWrite(TENS_DIGIT_PIN,HIGH);

	switch(number) {
			case 0:
				digitalWrite(DISP0,HIGH);
				digitalWrite(DISP1,HIGH);
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP5,HIGH);
				break;
			case 1:
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				break;
			case 2:
				digitalWrite(DISP0,HIGH);
				digitalWrite(DISP1,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
			case 3:
				digitalWrite(DISP1,HIGH);
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
			case 4:
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP5,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
			case 5:
				digitalWrite(DISP1,HIGH);
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP5,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
			case 6:
				digitalWrite(DISP0,HIGH);
				digitalWrite(DISP1,HIGH);
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP5,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
			case 7:
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP4,HIGH);
				break;
			case 8:
				digitalWrite(DISP0,HIGH);
				digitalWrite(DISP1,HIGH);
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP5,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
			case 9:
				digitalWrite(DISP2,HIGH);
				digitalWrite(DISP3,HIGH);
				digitalWrite(DISP4,HIGH);
				digitalWrite(DISP5,HIGH);
				digitalWrite(DISP6,HIGH);
				break;
	}
	// Turn on digit
	switch(digit){
			case 10:
				digitalWrite(TENS_DIGIT_PIN,LOW);
				break;
			case 1:
				digitalWrite(ONES_DIGIT_PIN,LOW);
				break;
	}
}

void Display::write_number(int number){
	first_digit = number/10;
	second_digit = number%10;
	delay_with_refresh(200);
}

void Display::refresh(){
	if (blink_count < 400) {
		// FLASH BOTH DIGITS
		write_digit(first_digit, 10);
		delay(1);
		write_digit(second_digit, 1);
	} else {
		clear_display();
	}
	if (blink && (blink_count++ > 550)){
		blink_count=0;
	}
	delay(1);
}

void Display::set_blink(bool blinking){
	blink = blinking;
}

void Display::clear_display(){
	digitalWrite(DISP0,LOW);
	digitalWrite(DISP1,LOW);
	digitalWrite(DISP2,LOW);
	digitalWrite(DISP3,LOW);
	digitalWrite(DISP4,LOW);
	digitalWrite(DISP5,LOW);
	digitalWrite(DISP6,LOW);
}