feat: handle factory_reset and reconfigure_settings commands
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@@ -20,3 +20,9 @@ esp_err_t config_store_get_mqtt_override(char host_out[MQTT_HOST_MAX_LEN], uint1
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/* Returns ESP_ERR_NVS_NOT_FOUND if no override is stored. */
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esp_err_t config_store_get_mqtt_override_uri(char *uri_out, size_t uri_max_len);
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/* Clears the stored MQTT broker override. */
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esp_err_t config_store_clear_mqtt_override(void);
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/* Erases all stored configuration. */
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esp_err_t config_store_erase(void);
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@@ -96,3 +96,29 @@ esp_err_t config_store_get_mqtt_override_uri(char *uri_out, size_t uri_max_len)
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snprintf(uri_out, uri_max_len, "mqtt://%s:%u", broker_host, broker_port);
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return ESP_OK;
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}
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esp_err_t config_store_clear_mqtt_override(void)
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{
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nvs_handle_t h;
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esp_err_t err = nvs_open(NS, NVS_READWRITE, &h);
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if (err != ESP_OK) return err;
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nvs_erase_key(h, KEY_HOST);
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nvs_erase_key(h, KEY_PORT);
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err = nvs_commit(h);
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nvs_close(h);
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return err;
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}
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/* Erases all stored configuration. */
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esp_err_t config_store_erase(void)
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{
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nvs_handle_t h;
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esp_err_t err = nvs_open(NS, NVS_READWRITE, &h);
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if (err != ESP_OK) return err;
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nvs_erase_key(h, KEY_PROV);
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nvs_erase_key(h, KEY_HOST);
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nvs_erase_key(h, KEY_PORT);
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err = nvs_commit(h);
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nvs_close(h);
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return err;
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}
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@@ -3,13 +3,29 @@
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#include "esp_err.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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#include <stdint.h>
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/* Event bits set by the MQTT publisher into the shared event group */
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#define MQTT_CONNECTED_BIT BIT0
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#define MQTT_CALIBRATE_START BIT1
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#define MQTT_CALIBRATE_STOP BIT2
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#define MQTT_SELECTED_BIT BIT3
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#define MQTT_DESELECTED_BIT BIT4
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#define MQTT_CONNECTED_BIT BIT0
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#define MQTT_CALIBRATE_START BIT1
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#define MQTT_CALIBRATE_STOP BIT2
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#define MQTT_SELECTED_BIT BIT3
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#define MQTT_DESELECTED_BIT BIT4
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#define MQTT_FACTORY_RESET_BIT BIT5
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#define MQTT_RECONFIGURE_SETTINGS_BIT BIT6
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/* Populated by handle_cmd() before MQTT_RECONFIGURE_SETTINGS_BIT is set.
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* All fields are optional — empty string means "not provided, leave unchanged". */
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typedef struct {
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char ssid[32];
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char password[64];
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char mqtt_host[128];
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uint16_t mqtt_port;
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} mqtt_reconfigure_data_t;
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/** Returns a pointer to the last parsed reconfigure payload. Valid only after
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* MQTT_RECONFIGURE_SETTINGS_BIT fires; must be read before the next MQTT event. */
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const mqtt_reconfigure_data_t *mqtt_publisher_get_reconfigure_data(void);
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/**
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* Initialise and connect the MQTT client.
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@@ -8,9 +8,15 @@
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#define TAG "mqtt_publisher"
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#define TOPIC_PREFIX "localiser/sensor"
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static esp_mqtt_client_handle_t s_client = NULL;
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static char s_sensor_id[32];
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static EventGroupHandle_t s_evt = NULL;
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static esp_mqtt_client_handle_t s_client = NULL;
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static char s_sensor_id[32];
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static EventGroupHandle_t s_evt = NULL;
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static mqtt_reconfigure_data_t s_reconfigure_data;
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const mqtt_reconfigure_data_t *mqtt_publisher_get_reconfigure_data(void)
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{
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return &s_reconfigure_data;
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}
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/* Pre-built topic strings */
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static char s_topic_rssi[96];
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@@ -43,6 +49,19 @@ static void handle_cmd(const char *data, int data_len)
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else if (strcmp(a, "calibrate_stop") == 0) xEventGroupSetBits(s_evt, MQTT_CALIBRATE_STOP);
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else if (strcmp(a, "selected") == 0) xEventGroupSetBits(s_evt, MQTT_SELECTED_BIT);
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else if (strcmp(a, "deselected") == 0) xEventGroupSetBits(s_evt, MQTT_DESELECTED_BIT);
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else if (strcmp(a, "factory_reset") == 0) xEventGroupSetBits(s_evt, MQTT_FACTORY_RESET_BIT);
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else if (strcmp(a, "reconfigure_settings") == 0) {
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memset(&s_reconfigure_data, 0, sizeof(s_reconfigure_data));
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cJSON *ssid_j = cJSON_GetObjectItemCaseSensitive(root, "ssid");
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cJSON *pass_j = cJSON_GetObjectItemCaseSensitive(root, "password");
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cJSON *host_j = cJSON_GetObjectItemCaseSensitive(root, "mqtt_host");
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cJSON *port_j = cJSON_GetObjectItemCaseSensitive(root, "mqtt_port");
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if (cJSON_IsString(ssid_j)) strncpy(s_reconfigure_data.ssid, ssid_j->valuestring, sizeof(s_reconfigure_data.ssid) - 1);
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if (cJSON_IsString(pass_j)) strncpy(s_reconfigure_data.password, pass_j->valuestring, sizeof(s_reconfigure_data.password) - 1);
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if (cJSON_IsString(host_j)) strncpy(s_reconfigure_data.mqtt_host, host_j->valuestring, sizeof(s_reconfigure_data.mqtt_host) - 1);
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if (cJSON_IsNumber(port_j)) s_reconfigure_data.mqtt_port = (uint16_t)port_j->valuedouble;
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xEventGroupSetBits(s_evt, MQTT_RECONFIGURE_SETTINGS_BIT);
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}
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else ESP_LOGW(TAG, "Unknown cmd action: %s", a);
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}
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cJSON_Delete(root);
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