travisshears/balcony_weather_station
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add back tcp client and send temperature msg

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This commit is contained in:
Travis Shears 2026-02-08 15:40:35 +01:00
parent 1bccc2a262
commit 0dc7f23744
Signed by: travisshears
GPG key ID: CB9BF1910F3F7469
1 changed files with 23 additions and 0 deletions
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23
node1.c
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@ -2,14 +2,26 @@
#include "pico/cyw43_arch.h"
#include "pico/stdlib.h"
#include <hardware/watchdog.h>
#include "tcp_client.h"
#include <pico/time.h>
#include <pico/types.h>
#include <stdio.h>
#define SENSOR_READING_INTERVAL_US (1000000 * 10) // 10 seconds
static tcp_client_config tcp_config;
static bme280_config bem_config;
static bme280_reading current_bem280_reading;
char msg_to_send[256];
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();
@ -56,6 +68,12 @@ int main() {
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();
@ -70,6 +88,11 @@ int main() {
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);
}
if (absolute_time_diff_us(last_check, now) >= 5000000) {