#include "pico/cyw43_arch.h" #include "pico/stdlib.h" #include "pico/util/queue.h" #include "blink.h" #include "button.h" #include "config.h" #include "net.h" queue_t queue; static void button_pressed() { /* This runs in interrupt context; don't linger. */ static uint64_t last_button_press_time = 0; uint64_t now = time_us_64(); uint64_t time_since_last_press = now - last_button_press_time; if (time_since_last_press > minimum_microseconds_between_button_presses) { last_button_press_time = now; char zero = '\0'; /* We don't check for failure (full queue) here because there's not much to * be done about it. */ queue_try_add(&queue, &zero); } } int main() { stdio_init_all(); if (cyw43_arch_init_with_country(CYW43_COUNTRY_USA)) signal_error_by_blinking(); cyw43_arch_enable_sta_mode(); signal(3, 100); if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass, CYW43_AUTH_WPA2_AES_PSK, 90000)) signal_error_by_blinking(); signal(2, 300); queue_init(&queue, 1, 99); begin_listening_for_button_press(button_pressed); u16_t seq = 0; while (1) { char _; queue_remove_blocking(&queue, &_); seq++; for (int i = 0; i < resend_count; i++) { send_report(seq, i); signal(i == 0 ? 2 : 1, 100); sleep_ms(resend_interval_ms); } } }