360 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			360 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* configmanager persists runtime configuration using NVRAM of ESP32*/
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#include "globals.h"
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// Local logging tag
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static const char TAG[] = "flash";
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nvs_handle my_handle;
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esp_err_t err;
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// populate cfg vars with factory settings
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void defaultConfig() {
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  cfg.lorasf = LORASFDEFAULT; // 7-12, initial lora sf, see pacounter.conf
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  cfg.txpower = 15;           // 2-15, lora tx power
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  cfg.adrmode = 1;            // 0=disabled, 1=enabled
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  cfg.screensaver = 0;        // 0=disabled, 1=enabled
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  cfg.screenon = 1;           // 0=disabled, 1=enabled
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  cfg.countermode = 0;        // 0=cyclic, 1=cumulative, 2=cyclic confirmed
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  cfg.rssilimit = 0;          // threshold for rssilimiter, negative value!
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  cfg.sendcycle = SENDCYCLE;  // payload send cycle [seconds/2]
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  cfg.wifichancycle =
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      WIFI_CHANNEL_SWITCH_INTERVAL; // wifi channel switch cycle [seconds/100]
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  cfg.blescantime =
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      BLESCANINTERVAL /
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      10;          // BT channel scan cycle [seconds/100], default 1 (= 10ms)
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  cfg.blescan = 0; // 0=disabled, 1=enabled
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  cfg.wifiant = 0; // 0=internal, 1=external (for LoPy/LoPy4)
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  cfg.vendorfilter = 1;       // 0=disabled, 1=enabled
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  cfg.rgblum = RGBLUMINOSITY; // RGB Led luminosity (0..100%)
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  cfg.monitormode = 0;        // 0=disabled, 1=enabled
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  cfg.runmode = 0;            // 0=normal, 1=update
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  cfg.payloadmask = 0xFF;     // all payload switched on
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  cfg.bsecstate[BSEC_MAX_STATE_BLOB_SIZE] = {
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      0}; // init BSEC state for BME680 sensor
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  strncpy(cfg.version, PROGVERSION, sizeof(cfg.version) - 1);
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}
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void open_storage() {
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  err = nvs_flash_init();
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  if (err == ESP_ERR_NVS_NO_FREE_PAGES) {
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    // NVS partition was truncated and needs to be erased
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    // Retry nvs_flash_init
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    ESP_ERROR_CHECK(nvs_flash_erase());
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    err = nvs_flash_init();
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  }
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  ESP_ERROR_CHECK(err);
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  // Open
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  ESP_LOGI(TAG, "Opening NVS");
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  err = nvs_open("config", NVS_READWRITE, &my_handle);
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  if (err != ESP_OK)
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    ESP_LOGI(TAG, "Error (%d) opening NVS handle", err);
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  else
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    ESP_LOGI(TAG, "Done");
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}
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// erase all keys and values in NVRAM
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void eraseConfig() {
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  ESP_LOGI(TAG, "Clearing settings in NVS");
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  open_storage();
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  if (err == ESP_OK) {
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    nvs_erase_all(my_handle);
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    nvs_commit(my_handle);
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    nvs_close(my_handle);
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    ESP_LOGI(TAG, "Done");
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  } else {
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    ESP_LOGW(TAG, "NVS erase failed");
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  }
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}
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// save current configuration from RAM to NVRAM
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void saveConfig() {
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  ESP_LOGI(TAG, "Storing settings in NVS");
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  open_storage();
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  if (err == ESP_OK) {
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    int8_t flash8 = 0;
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    int16_t flash16 = 0;
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    size_t required_size;
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    uint8_t bsecstate_buffer[BSEC_MAX_STATE_BLOB_SIZE + 1];
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    char storedversion[10];
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    if (nvs_get_blob(my_handle, "bsecstate", bsecstate_buffer,
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                     &required_size) != ESP_OK ||
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        memcmp(bsecstate_buffer, cfg.bsecstate, BSEC_MAX_STATE_BLOB_SIZE + 1) !=
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            0)
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      nvs_set_blob(my_handle, "bsecstate", cfg.bsecstate,
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                   BSEC_MAX_STATE_BLOB_SIZE + 1);
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    if (nvs_get_str(my_handle, "version", storedversion, &required_size) !=
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            ESP_OK ||
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        strcmp(storedversion, cfg.version) != 0)
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      nvs_set_str(my_handle, "version", cfg.version);
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    if (nvs_get_i8(my_handle, "lorasf", &flash8) != ESP_OK ||
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        flash8 != cfg.lorasf)
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      nvs_set_i8(my_handle, "lorasf", cfg.lorasf);
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    if (nvs_get_i8(my_handle, "txpower", &flash8) != ESP_OK ||
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        flash8 != cfg.txpower)
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      nvs_set_i8(my_handle, "txpower", cfg.txpower);
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    if (nvs_get_i8(my_handle, "adrmode", &flash8) != ESP_OK ||
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        flash8 != cfg.adrmode)
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      nvs_set_i8(my_handle, "adrmode", cfg.adrmode);
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    if (nvs_get_i8(my_handle, "screensaver", &flash8) != ESP_OK ||
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        flash8 != cfg.screensaver)
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      nvs_set_i8(my_handle, "screensaver", cfg.screensaver);
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    if (nvs_get_i8(my_handle, "screenon", &flash8) != ESP_OK ||
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        flash8 != cfg.screenon)
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      nvs_set_i8(my_handle, "screenon", cfg.screenon);
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    if (nvs_get_i8(my_handle, "countermode", &flash8) != ESP_OK ||
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        flash8 != cfg.countermode)
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      nvs_set_i8(my_handle, "countermode", cfg.countermode);
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    if (nvs_get_i8(my_handle, "sendcycle", &flash8) != ESP_OK ||
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        flash8 != cfg.sendcycle)
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      nvs_set_i8(my_handle, "sendcycle", cfg.sendcycle);
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    if (nvs_get_i8(my_handle, "wifichancycle", &flash8) != ESP_OK ||
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        flash8 != cfg.wifichancycle)
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      nvs_set_i8(my_handle, "wifichancycle", cfg.wifichancycle);
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    if (nvs_get_i8(my_handle, "blescantime", &flash8) != ESP_OK ||
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        flash8 != cfg.blescantime)
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      nvs_set_i8(my_handle, "blescantime", cfg.blescantime);
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    if (nvs_get_i8(my_handle, "blescanmode", &flash8) != ESP_OK ||
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        flash8 != cfg.blescan)
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      nvs_set_i8(my_handle, "blescanmode", cfg.blescan);
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    if (nvs_get_i8(my_handle, "wifiant", &flash8) != ESP_OK ||
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        flash8 != cfg.wifiant)
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      nvs_set_i8(my_handle, "wifiant", cfg.wifiant);
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    if (nvs_get_i8(my_handle, "vendorfilter", &flash8) != ESP_OK ||
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        flash8 != cfg.vendorfilter)
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      nvs_set_i8(my_handle, "vendorfilter", cfg.vendorfilter);
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    if (nvs_get_i8(my_handle, "rgblum", &flash8) != ESP_OK ||
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        flash8 != cfg.rgblum)
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      nvs_set_i8(my_handle, "rgblum", cfg.rgblum);
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    if (nvs_get_i8(my_handle, "payloadmask", &flash8) != ESP_OK ||
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        flash8 != cfg.payloadmask)
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      nvs_set_i8(my_handle, "payloadmask", cfg.payloadmask);
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    if (nvs_get_i8(my_handle, "monitormode", &flash8) != ESP_OK ||
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        flash8 != cfg.monitormode)
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      nvs_set_i8(my_handle, "monitormode", cfg.monitormode);
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    if (nvs_get_i8(my_handle, "runmode", &flash8) != ESP_OK ||
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        flash8 != cfg.runmode)
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      nvs_set_i8(my_handle, "runmode", cfg.runmode);
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    if (nvs_get_i16(my_handle, "rssilimit", &flash16) != ESP_OK ||
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        flash16 != cfg.rssilimit)
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      nvs_set_i16(my_handle, "rssilimit", cfg.rssilimit);
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    err = nvs_commit(my_handle);
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    nvs_close(my_handle);
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    if (err == ESP_OK) {
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      ESP_LOGI(TAG, "Done");
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    } else {
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      ESP_LOGW(TAG, "NVS config write failed");
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    }
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  } else {
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    ESP_LOGW(TAG, "Error (%d) opening NVS handle", err);
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  }
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}
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// set and save cfg.version
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void migrateVersion() {
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  sprintf(cfg.version, "%s", PROGVERSION);
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  ESP_LOGI(TAG, "version set to %s", cfg.version);
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  saveConfig();
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}
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// load configuration from NVRAM into RAM and make it current
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void loadConfig() {
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  defaultConfig(); // start with factory settings
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  ESP_LOGI(TAG, "Reading settings from NVS");
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  open_storage();
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  if (err != ESP_OK) {
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    ESP_LOGW(TAG, "Error (%d) opening NVS handle, storing defaults", err);
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    saveConfig();
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  } // saves factory settings to NVRAM
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  else {
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    int8_t flash8 = 0;
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    int16_t flash16 = 0;
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    size_t required_size;
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    // check if configuration stored in NVRAM matches PROGVERSION
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    if (nvs_get_str(my_handle, "version", NULL, &required_size) == ESP_OK) {
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      nvs_get_str(my_handle, "version", cfg.version, &required_size);
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      ESP_LOGI(TAG, "NVRAM settings version = %s", cfg.version);
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      if (strcmp(cfg.version, PROGVERSION)) {
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        ESP_LOGI(TAG, "migrating NVRAM settings to new version %s",
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                 PROGVERSION);
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        nvs_close(my_handle);
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        migrateVersion();
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      }
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    } else {
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      ESP_LOGI(TAG, "new version %s, deleting NVRAM settings", PROGVERSION);
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      nvs_close(my_handle);
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      eraseConfig();
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      migrateVersion();
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    }
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    // populate pre set defaults with current values from NVRAM
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    if (nvs_get_blob(my_handle, "bsecstate", NULL, &required_size) == ESP_OK) {
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      nvs_get_blob(my_handle, "bsecstate", cfg.bsecstate, &required_size);
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      ESP_LOGI(TAG, "bsecstate = %d", cfg.bsecstate[BSEC_MAX_STATE_BLOB_SIZE]);
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    };
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    if (nvs_get_i8(my_handle, "lorasf", &flash8) == ESP_OK) {
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      cfg.lorasf = flash8;
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      ESP_LOGI(TAG, "lorasf = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "lorasf set to default %d", cfg.lorasf);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "txpower", &flash8) == ESP_OK) {
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      cfg.txpower = flash8;
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      ESP_LOGI(TAG, "txpower = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "txpower set to default %d", cfg.txpower);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "adrmode", &flash8) == ESP_OK) {
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      cfg.adrmode = flash8;
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      ESP_LOGI(TAG, "adrmode = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "adrmode set to default %d", cfg.adrmode);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "screensaver", &flash8) == ESP_OK) {
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      cfg.screensaver = flash8;
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      ESP_LOGI(TAG, "screensaver = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "screensaver set to default %d", cfg.screensaver);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "screenon", &flash8) == ESP_OK) {
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      cfg.screenon = flash8;
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      ESP_LOGI(TAG, "screenon = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "screenon set to default %d", cfg.screenon);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "countermode", &flash8) == ESP_OK) {
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      cfg.countermode = flash8;
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      ESP_LOGI(TAG, "countermode = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "countermode set to default %d", cfg.countermode);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "sendcycle", &flash8) == ESP_OK) {
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      cfg.sendcycle = flash8;
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      ESP_LOGI(TAG, "sendcycle = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "Payload send cycle set to default %d", cfg.sendcycle);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "wifichancycle", &flash8) == ESP_OK) {
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      cfg.wifichancycle = flash8;
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      ESP_LOGI(TAG, "wifichancycle = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "WIFI channel cycle set to default %d", cfg.wifichancycle);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "wifiant", &flash8) == ESP_OK) {
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      cfg.wifiant = flash8;
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      ESP_LOGI(TAG, "wifiantenna = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "WIFI antenna switch set to default %d", cfg.wifiant);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "vendorfilter", &flash8) == ESP_OK) {
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      cfg.vendorfilter = flash8;
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      ESP_LOGI(TAG, "vendorfilter = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "Vendorfilter mode set to default %d", cfg.vendorfilter);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "rgblum", &flash8) == ESP_OK) {
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      cfg.rgblum = flash8;
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      ESP_LOGI(TAG, "rgbluminosity = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "RGB luminosity set to default %d", cfg.rgblum);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "blescantime", &flash8) == ESP_OK) {
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      cfg.blescantime = flash8;
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      ESP_LOGI(TAG, "blescantime = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "BLEscantime set to default %d", cfg.blescantime);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "blescanmode", &flash8) == ESP_OK) {
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      cfg.blescan = flash8;
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      ESP_LOGI(TAG, "BLEscanmode = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "BLEscanmode set to default %d", cfg.blescan);
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      saveConfig();
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    }
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    if (nvs_get_i16(my_handle, "rssilimit", &flash16) == ESP_OK) {
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      cfg.rssilimit = flash16;
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      ESP_LOGI(TAG, "rssilimit = %d", flash16);
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    } else {
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      ESP_LOGI(TAG, "rssilimit set to default %d", cfg.rssilimit);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "payloadmask", &flash8) == ESP_OK) {
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      cfg.payloadmask = flash8;
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      ESP_LOGI(TAG, "payloadmask = %hhu", flash8);
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    } else {
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      ESP_LOGI(TAG, "payloadmask set to default %hhu", cfg.payloadmask);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "monitormode", &flash8) == ESP_OK) {
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      cfg.monitormode = flash8;
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      ESP_LOGI(TAG, "Monitor mode = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "Monitor mode set to default %d", cfg.monitormode);
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      saveConfig();
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    }
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    if (nvs_get_i8(my_handle, "runmode", &flash8) == ESP_OK) {
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      cfg.runmode = flash8;
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      ESP_LOGI(TAG, "Run mode = %d", flash8);
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    } else {
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      ESP_LOGI(TAG, "Run mode set to default %d", cfg.runmode);
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      saveConfig();
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    }
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    nvs_close(my_handle);
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    ESP_LOGI(TAG, "Done");
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  }
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} // loadConfig()
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