balcony_weather_station/node1.c

91 lines
2 KiB
C

#include "pico/cyw43_arch.h"
#include "pico/stdlib.h"
#include <hardware/watchdog.h>
#include <pico/time.h>
#include <stdio.h>
/**
* Simple WiFi Connection Test
* Just connect to WiFi and poll every 5 seconds to check connection status
*/
int main() {
stdio_init_all();
watchdog_enable(120000, 1); // 120 second watchdog
printf("\n=== WiFi Connection Test ===\n");
printf("Initializing board...\n");
sleep_ms(2000);
printf("Initializing CYW43...\n");
if (cyw43_arch_init()) {
printf("FATAL: Failed to initialize CYW43\n");
while (1) {
watchdog_update();
sleep_ms(1000);
}
}
printf("Enabling WiFi station mode...\n");
cyw43_arch_enable_sta_mode();
sleep_ms(1000);
printf("Connecting to WiFi '%s'...\n", WIFI_SSID);
watchdog_update();
int result = cyw43_arch_wifi_connect_timeout_ms(
WIFI_SSID, WIFI_PASSWORD, CYW43_AUTH_WPA2_AES_PSK, 60000);
watchdog_update();
if (result != 0) {
printf("FATAL: WiFi connection failed with result=%d\n", result);
while (1) {
watchdog_update();
sleep_ms(1000);
}
}
printf("WiFi connected!\n");
// Poll every 5 seconds
absolute_time_t last_check = get_absolute_time();
while (1) {
watchdog_update();
cyw43_arch_poll();
absolute_time_t now = get_absolute_time();
if (absolute_time_diff_us(last_check, now) >= 5000000) {
last_check = now;
// Check connection status
int link_status = cyw43_tcpip_link_status(&cyw43_state, CYW43_ITF_STA);
printf("[WiFi Status Check]\n");
printf(" Link Status: ");
switch (link_status) {
case CYW43_LINK_DOWN:
printf("DOWN\n");
break;
case CYW43_LINK_JOIN:
printf("JOINING\n");
break;
case CYW43_LINK_NOIP:
printf("NO IP\n");
break;
case CYW43_LINK_UP:
printf("UP\n");
break;
default:
printf("UNKNOWN (%d)\n", link_status);
break;
}
}
sleep_ms(100);
}
return 0;
}