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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* final_project.c
*
* Created: 4/3/2024 10:08:56 AM
* Author : bsw9xd
*/
#define F_CPU 16000000UL
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdbool.h>
#include "serial.h"
#include "clock.h"
volatile int seconds_remaining; //will be used by ISR
#define SPEAKER_PORT PORTE
#define SPEAKER_PIN 4 //rename?
#define ELEMENT_COUNT 7
//TODO get_button and display_element unnecessarily complex
uint8_t get_button() {
if(~PINE & (1 << 6)) return (1 << 2);
return ((~PINA) & ~(0b1100)); //TODO clean up
}
void display_element(uint8_t element, unsigned int time) {
uint8_t portd_state = 0;
uint8_t porte_state = 0;
if(element & (1 << 2)) porte_state = (1<<5);
portd_state = element & ~(0b1100);
PORTD ^= portd_state;
PORTE ^= porte_state;
beep(329.63, .25);
_delay_ms(time * 1000);
PORTD ^= portd_state;
PORTE ^= porte_state;
}
void init_io() {
DDRA = 0x00;
PORTA = 0xff;
DDRD = 0xff;
PORTD = 0xff;
DDRE = (1 << 4) | (1 << 5);
PORTE = 0xff;
}
void test_timer() {
for(;;) {
usart_txstr("timer test\n");
start_timer();
while(!timer_done());
stop_timer();
}
}
int main(void) {
cli();
timer_init_ctc();
init_io();
usart_init();
while(1) {
int level = 0;
//get level
usart_txstr(
"SIMON GAME\n"
"Enter your starting difficulty level:\n"
"1. Easy\n"
"2. Moderate\n"
"3. Give me pain.");
while((level > 3) || (level < 1)) level = (int)(usart_rxt_blocking() - '0');
//main simon game
while(level < 3) {
int display_time;
int sets;
int response_time;
int elements_min;
int elements_max;
double score;
uint8_t element_list[5]; // TODO
switch(level) {
case 1:
sets = 3;
display_time = 3;
response_time = 5;
elements_min = 3;
elements_max = 5;
break;
case 2:
sets = 4;
display_time = 2;
response_time = 7;
elements_min = 3;
elements_max = 10;
break;
case 3:
sets = 5;
display_time = 1;
response_time = 10;
elements_min = 5;
elements_max = 15;
break;
}
//main level
int max_score = 0;
int current_score = 0;
for(int set = 0; set < sets; set++) {
int elements = elements_min + ceil(((elements_max - elements_min) / (float)(sets - 1)) * set);
//generate, display elements
for(int element = 0; element < elements; element++) {
uint8_t element_bit = (rand() % ELEMENT_COUNT);
if(element_bit == 3) element_bit = 7;
uint8_t this_element = 1 << element_bit;
usart_txt('\n');
usart_txt(element_bit + '0');
usart_txt('\n');
element_list[element] = this_element; // could optimize
display_element(this_element, display_time);
}
//get elements
seconds_remaining = response_time;
start_timer();
uint16_t guess;
for(int element = 0; element < elements; element++) {
usart_txstr("\ngot element, waiting...\n");
do {
if(timer_done()) {
seconds_remaining--;
stop_timer(); //TODO only need one function
start_timer();
beep(261.63, .1);
}
else { guess = get_button(); }
} while((!guess) && (seconds_remaining > 0));
_delay_ms(250); //prevent double press
max_score++;
if(guess == element_list[element]) {
current_score++;
correct_beep();
}
else {
incorrect_beep();
}
}
}
score = (float)current_score / max_score;
if(score >= .8) {
level++;
usart_txstr("\nnext level\n");
}
else {
loose();
break;
}
}
if(level >= 3) win();
}
}
//timer interrupt
ISR(TIMER1_COMPA_vect) {
if(seconds_remaining-- > 0) return;
for(;;) {
beep();
}
}
void correct_beep() {
usart_txstr("\nCorrect!\n");
beep(440.0, .1);
}
void incorrect_beep() {
usart_txstr("\nIncorrect guess.\n");
beep(261.62, .2);
_delay_ms(25);
beep(261.62, .2);
}
void win() {
usart_txstr("\nYou beat the game!\n");
beep(262., .5);
beep(392., .5);
}
void loose() {
usart_txstr("\nYou loose, try again?\n");
beep(330., .5);
beep(294., .5);
}
//TODO move somewhere else
void beep(double frequency, double durientation) {
double speaker_ms = ((1.0 / frequency) / 2.0) * 1000.0; //TODO clean up
int loop_count = durientation / (1.0 / frequency);
for(unsigned int i = 0; i < loop_count; i++) {
_delay_ms(speaker_ms);
SPEAKER_PORT ^= (1 << SPEAKER_PIN);
}
}
|
