travisshears/balcony_weather_station
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start adding PMS5003 back in

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This commit is contained in:
Travis Shears 2026-02-22 11:05:32 +01:00
parent ca48e9a039
commit 9dd4ee4163
Signed by: travisshears
GPG key ID: CB9BF1910F3F7469
1 changed files with 64 additions and 33 deletions
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97
node1.c
View file

@ -1,20 +1,26 @@
#include "bme280.h"
#include "pico/cyw43_arch.h"
#include "pico/stdlib.h"
#include <hardware/watchdog.h>
#include "pms5003.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 * 10) // 10 seconds
#define SENSOR_READING_INTERVAL_US (1000000 * 15) // 15 seconds
#define WIFI_CHECK_INTERVAL_US (1000000 * 10) // 10 seconds
#define WIFI_STATUS_LED_PIN 16
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 void send_msg(char *msg) {
bool success = tcp_client_send_message(&tcp_config, msg);
if (success) {
@ -24,9 +30,6 @@ static void send_msg(char *msg) {
}
}
void comms_led_init() {
}
int main() {
stdio_init_all();
watchdog_enable(120000, 1); // 120 second watchdog
@ -40,11 +43,14 @@ int main() {
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 PMS5003...\n");
pms5003_init(&pms_config, uart1, 20, 21, 18, 19);
sleep_ms(1000);
printf("Initializing CYW43...\n");
if (cyw43_arch_init()) {
printf("FATAL: Failed to initialize CYW43\n");
@ -93,18 +99,44 @@ int main() {
absolute_time_t now = get_absolute_time();
if (absolute_time_diff_us(last_sensor_reading, now) >= SENSOR_READING_INTERVAL_US) {
if (absolute_time_diff_us(last_sensor_reading, now) >=
SENSOR_READING_INTERVAL_US) {
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);
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);
// }
readings_index++;
if (readings_index >= 10) {
readings_index = 0;
}
}
if (absolute_time_diff_us(last_check, now) >= 5000000) {
if (absolute_time_diff_us(last_check, now) >= WIFI_CHECK_INTERVAL_US) {
last_check = now;
// Check connection status
@ -113,28 +145,27 @@ int main() {
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;
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;
}
}
sleep_ms(100);