travisshears/balcony_weather_station
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add 12h restart

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This commit is contained in:
Travis Shears 2026-02-22 15:43:13 +01:00
parent 0e513dc79a
commit c94f8df1cc
Signed by: travisshears
GPG key ID: CB9BF1910F3F7469
1 changed files with 15 additions and 3 deletions
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18
node1.c
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@ -8,9 +8,10 @@
#include <pico/types.h>
#include <stdio.h>
#define SENSOR_READING_INTERVAL_US (1000000 * 15) // 15 seconds
#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;
@ -20,6 +21,11 @@ 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);
@ -92,6 +98,7 @@ int main() {
// 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();
@ -129,8 +136,7 @@ int main() {
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");
printf("Sending particle matter readings to backend server...\n");
send_msg(msg_to_send);
}
@ -172,6 +178,12 @@ int main() {
}
}
// 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);
}