localhorst/smart-oil-heating-control-system
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error handling and cleanup

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This commit is contained in:
Hendrik Schutter
2026-01-10 13:32:49 +01:00
parent f8f6af53bd
commit 1d4e272d80
15 changed files with 867 additions and 309 deletions
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43
main/wifi.c
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@ -1,3 +1,8 @@
/**
* @file wifi.c
* @brief Implementation of WiFi station mode module.
*/
#include "wifi.h"
#include "esp_timer.h"
@ -12,12 +17,19 @@
#include <string.h>
/** @brief Event bit for successful connection. */
#define WIFI_CONNECTED_BIT BIT0
/** @brief Event bit for connection failure. */
#define WIFI_FAIL_BIT BIT1
/** @brief Maximum connection retry attempts. */
#define MAX_RETRY_COUNT 10
/** @brief Delay between retries in milliseconds. */
#define RETRY_DELAY_MS 1000
static const char *TAG = "smart-oil-heater-control-system-wifi";
static const char *TAG = "wifi";
static EventGroupHandle_t s_wifi_event_group;
static int s_retry_num = 0;
@ -26,13 +38,13 @@ static bool s_initial_connect = true;
static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data);
void initWifi(void)
esp_err_t initWifi(void)
{
s_wifi_event_group = xEventGroupCreate();
if (s_wifi_event_group == NULL)
{
ESP_LOGE(TAG, "xEventGroupCreate() failed!");
return;
ESP_LOGE(TAG, "Failed to create event group");
return ESP_FAIL;
}
ESP_ERROR_CHECK(esp_netif_init());
@ -73,10 +85,10 @@ void initWifi(void)
ESP_ERROR_CHECK(esp_wifi_start());
ESP_ERROR_CHECK(esp_wifi_set_max_tx_power(78)); // Set max power to 19.5 dBm (78 in units of 0.25 dBm)
ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_MIN_MODEM)); // Use power-saving mode
ESP_ERROR_CHECK(esp_wifi_set_max_tx_power(78));
ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_MIN_MODEM));
ESP_LOGI(TAG, "wifi_init_sta finished.");
ESP_LOGI(TAG, "WiFi init finished, waiting for connection...");
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
@ -86,21 +98,32 @@ void initWifi(void)
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGI(TAG, "Connected to ap SSID:%s", CONFIG_SSID);
ESP_LOGI(TAG, "Connected to AP SSID:%s", CONFIG_SSID);
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(TAG, "Failed to connect to SSID:%s", CONFIG_SSID);
ESP_LOGE(TAG, "Failed to connect to SSID:%s", CONFIG_SSID);
return ESP_FAIL;
}
else
{
ESP_LOGE(TAG, "Unexpected event");
return ESP_FAIL;
}
// Mark initial connection phase complete - do NOT delete the event group
s_initial_connect = false;
ESP_LOGI(TAG, "Initialized successfully");
return ESP_OK;
}
/**
* @brief WiFi event handler.
* @param arg User argument (unused).
* @param event_base Event base.
* @param event_id Event ID.
* @param event_data Event data.
*/
static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
{