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[tattlekey] / client / tattlekey.c
1 #include "pico/cyw43_arch.h"
2 #include "pico/stdlib.h"
3
4 void one_blink(int duration) {
5 cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1);
6 sleep_ms(duration);
7 cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0);
8 sleep_ms(duration);
9 }
10
11 void signal(int count, int duration) {
12 for (int i = 0; i < count; i++)
13 one_blink(duration);
14 sleep_ms(1000);
15 }
16
17 void blink_forever(int duration) {
18 while (true) {
19 one_blink(duration);
20 }
21 }
22
23 void signal_error_by_blinking() { blink_forever(100); }
24 void signal_success_by_blinking() { blink_forever(400); }
25
26 int main() {
27 stdio_init_all();
28 if (cyw43_arch_init())
29 signal_error_by_blinking();
30 signal(1, 200);
31 signal(2, 200);
32 signal(3, 200);
33 signal_success_by_blinking();
34 }