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init node2

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Travis Shears 2026-02-23 22:21:03 +01:00
parent 5c7c24e7fc
commit 2525069deb
Signed by: travisshears
GPG key ID: CB9BF1910F3F7469
1 changed files with 186 additions and 0 deletions
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#include "pico/cyw43_arch.h"
#include "pico/stdlib.h"
#include "tcp_client.h"
#include <hardware/watchdog.h>
#include <pico/time.h>
#include <pico/types.h>
#include <stdio.h>
#define SENSOR_READING_INTERVAL_US (1000000 * 30) // 30 seconds
#define WIFI_CHECK_INTERVAL_US (1000000 * 10) // 10 seconds
#define WIFI_STATUS_LED_PIN 16
#define RESTART_INTERVAL_MIN (12 * 60) // 12 hours in minutes
static tcp_client_config tcp_config;
// static bme280_config bem_config;
// static bme280_reading current_bem280_reading;
// static pms5003_config pms_config;
// static pms5003_reading current_pms5003_reading;
char msg_to_send[256];
static int8_t readings_index = 0;
static absolute_time_t startup_time;
static uint64_t absolute_time_diff_min(absolute_time_t from, absolute_time_t to) {
return absolute_time_diff_us(from, to) / (1000000 * 60);
}
static void send_msg(char *msg) {
bool success = tcp_client_send_message(&tcp_config, msg);
if (success) {
printf("✓ Data sent successfully\n");
} else {
printf("✗ Failed to send data\n");
}
}
int main() {
stdio_init_all();
watchdog_enable(120000, 1); // 120 second watchdog
printf("\n=== NODE 002 ===\n");
printf("Initializing board...\n");
sleep_ms(2000);
printf("Initializing WIFI status LED...\n");
gpio_init(WIFI_STATUS_LED_PIN);
gpio_set_dir(WIFI_STATUS_LED_PIN, GPIO_OUT);
gpio_put(WIFI_STATUS_LED_PIN, false);
// printf("Initializing BME280...\n");
// bme280_init(&bem_config, i2c1, 14, 15);
// sleep_ms(1000);
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();
cyw43_wifi_pm(&cyw43_state, CYW43_NONE_PM);
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");
if (!tcp_client_init(&tcp_config, BACKEND_SERVER_IP, BACKEND_SERVER_PORT,
20000)) {
panic("TCP client initialization failed!");
}
watchdog_update();
// Poll every 5 seconds
absolute_time_t last_check = get_absolute_time();
absolute_time_t last_sensor_reading = get_absolute_time();
startup_time = get_absolute_time();
while (1) {
watchdog_update();
cyw43_arch_poll();
absolute_time_t now = get_absolute_time();
if (absolute_time_diff_us(last_sensor_reading, now) >=
SENSOR_READING_INTERVAL_US) {
printf("Sensor reading: %d\n", readings_index);
last_sensor_reading = now;
printf("Making BME280 Reading\n");
// current_bem280_reading = bme280_read(&bem_config);
// snprintf(msg_to_send, sizeof(msg_to_send), "M001,%.2f,%.2f,%2f\n",
// current_bem280_reading.temperature,
// current_bem280_reading.pressure,
// current_bem280_reading.humidity);
// printf(
// "Sending temperature, pressure, and humidity to backend server...\n");
// send_msg(msg_to_send);
watchdog_update();
// if (readings_index == 2) {
// printf("Warming up PMS5003\n");
// pms5003_warmup(&pms_config);
// }
// if (readings_index == 4) {
// printf("Starting reads on PMSS5003\n");
// pms5003_start_reading(&pms_config);
// }
// if (readings_index == 6) {
// printf("Finished reading PMSS5003\n");
// current_pms5003_reading = pms5003_finish_reading(&pms_config);
// snprintf(msg_to_send, sizeof(msg_to_send), "M02,%.2f,%.2f,%2f\n",
// current_pms5003_reading.pm1, current_pms5003_reading.pm2_5,
// current_pms5003_reading.pm10);
// printf("Sending particle matter readings to backend server...\n");
// send_msg(msg_to_send);
// }
readings_index++;
if (readings_index >= 10) {
readings_index = 0;
}
}
if (absolute_time_diff_us(last_check, now) >= WIFI_CHECK_INTERVAL_US) {
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");
gpio_put(WIFI_STATUS_LED_PIN, false);
break;
case CYW43_LINK_JOIN:
// printf("JOINING\n");
gpio_put(WIFI_STATUS_LED_PIN, false);
break;
case CYW43_LINK_NOIP:
// printf("NO IP\n");
gpio_put(WIFI_STATUS_LED_PIN, false);
break;
case CYW43_LINK_UP:
// printf("UP\n");
gpio_put(WIFI_STATUS_LED_PIN, true);
break;
default:
// printf("UNKNOWN (%d)\n", link_status);
gpio_put(WIFI_STATUS_LED_PIN, false);
break;
}
}
// Check if 12 hours have elapsed for restart
if (absolute_time_diff_min(startup_time, now) >= RESTART_INTERVAL_MIN) {
printf("12-hour restart interval reached. Restarting...\n");
watchdog_reboot(0, 0, 0); // Force immediate restart via watchdog
}
sleep_ms(100);
}
return 0;
}