M5NSconfig.cpp

#include "M5NSconfig.h"

void printErrorMessage(uint8_t e, bool eol = true)
{
  switch (e) {
  case IniFile::errorNoError:
    Serial.print("no error");
    break;
  case IniFile::errorFileNotFound:
    Serial.print("file not found");
    break;
  case IniFile::errorFileNotOpen:
    Serial.print("file not open");
    break;
  case IniFile::errorBufferTooSmall:
    Serial.print("buffer too small");
    break;
  case IniFile::errorSeekError:
    Serial.print("seek error");
    break;
  case IniFile::errorSectionNotFound:
    Serial.print("section not found");
    break;
  case IniFile::errorKeyNotFound:
    Serial.print("key not found");
    break;
  case IniFile::errorEndOfFile:
    Serial.print("end of file");
    break;
  case IniFile::errorUnknownError:
    Serial.print("unknown error");
    break;
  default:
    Serial.print("unknown error value");
    break;
  }
  if (eol)
    Serial.println();
}

void readConfiguration(char *iniFilename, tConfig *cfg) {
  const size_t bufferLen = 80;
  char buffer[bufferLen];
    
  IniFile ini(iniFilename); //(uint8_t)"/M5NS.INI"
  
  if (!ini.open()) {
    Serial.print("Ini file ");
    Serial.print(iniFilename);
    Serial.println(" does not exist");
    M5.Lcd.println("No INI file");
    // Cannot do anything else
    while (1)
      ;
  }
  Serial.println("Ini file exists");

  // Check the file is valid. This can be used to warn if any lines
  // are longer than the buffer.
  if (!ini.validate(buffer, bufferLen)) {
    Serial.print("ini file ");
    Serial.print(ini.getFilename());
    Serial.print(" not valid: ");
    printErrorMessage(ini.getError());
    // Cannot do anything else
    M5.Lcd.println("Bad INI file");
    while (1)
      ;
  }
  
  // Fetch a value from a key which is present
  if (ini.getValue("config", "nightscout", buffer, bufferLen)) {
    Serial.print("section 'config' has an entry 'nightscout' with value ");
    Serial.println(buffer);
    strlcpy(cfg->url, buffer, 64);
  }
  else {
    Serial.print("Could not read 'nightscout' from section 'config', error was ");
    printErrorMessage(ini.getError());
    M5.Lcd.println("No Nightscout URL in INI file");
    while (1)
      ;
  }

  // begin Peter Leimbach
  // Read the value of the token parameter from the config file
  if (ini.getValue("config", "token", buffer, bufferLen)) {
    Serial.print("section 'config' has an entry 'token' with value ");
    Serial.println(buffer);
    strlcpy(cfg->token, buffer, 32);
  }
  else {
    // no token parameter set in INI file - no error just set cfg->token[0] to 0
    cfg->token[0] = '\0';
  }
  // end Peter Leimbach

  if (ini.getValue("config", "bootpic", buffer, bufferLen)) {
    Serial.print("bootpic = ");
    Serial.println(buffer);
    strlcpy(cfg->bootPic, buffer, 64);
  }
  else {
    Serial.println("NO bootpic");
    cfg->bootPic[0]=0;
  }
  
  if (ini.getValue("config", "name", buffer, bufferLen)) {
    Serial.print("name = ");
    Serial.println(buffer);
    strlcpy(cfg->userName, buffer, 32);
  }
  else {
    Serial.println("NO user name");
    strcpy(cfg->userName, " ");
  }
  
  if (ini.getValue("config", "device_name", buffer, bufferLen)) {
    Serial.print("device_name = ");
    Serial.println(buffer);
    strlcpy(cfg->deviceName, buffer, 32);
  }
  else {
    Serial.println("NO device name defined, default M5NS");
    strcpy(cfg->deviceName, "M5NS");
  }
  
  if (ini.getValue("config", "time_zone", buffer, bufferLen)) {
    Serial.print("time_zone = ");
    cfg->timeZone = atoi(buffer);
    Serial.println(cfg->timeZone);
  }
  else {
    Serial.println("NO time zone defined -> Central Europe");
    cfg->timeZone = 3600;
  }

  if (ini.getValue("config", "dst", buffer, bufferLen)) {
    Serial.print("dst = ");
    cfg->dst = atoi(buffer);
    Serial.println(cfg->dst);
  }
  else {
    Serial.println("NO DST defined -> summer time");
    cfg->dst = 3600;
  }

  if (ini.getValue("config", "show_mgdl", buffer, bufferLen)) {
    Serial.print("show_mgdl = ");
    cfg->show_mgdl = atoi(buffer);
    Serial.println(cfg->show_mgdl);
  }
  else {
    Serial.println("NO show_mgdl defined -> 0 = show mmol/L");
    cfg->show_mgdl = 0;
  }

  if (ini.getValue("config", "sgv_only", buffer, bufferLen)) {
    Serial.print("sgv_only = ");
    cfg->sgv_only = atoi(buffer);
    Serial.println(cfg->sgv_only);
  }
  else {
    Serial.println("NO sgv_only defined -> 0 = try to read everything");
    cfg->sgv_only = 0;
  }

  if (ini.getValue("config", "default_page", buffer, bufferLen)) {
    Serial.print("default_page = ");
    cfg->default_page = atoi(buffer);
    Serial.println(cfg->default_page);
  }
  else {
    Serial.println("NO default page defined -> page 0 is default");
    cfg->default_page = 0;
  }

  if (ini.getValue("config", "restart_at_time", buffer, bufferLen)) {
    Serial.print("restart_at_time = ");
    strlcpy(cfg->restart_at_time, buffer, 10);
    Serial.println(cfg->restart_at_time);
  }
  else {
    Serial.println("NO restart_at_time defined -> no restarts");
    strcpy(cfg->restart_at_time, "NORES");
  }

  if (ini.getValue("config", "restart_at_logged_errors", buffer, bufferLen)) {
    Serial.print("restart_at_logged_errors = ");
    cfg->restart_at_logged_errors = atoi(buffer);
    Serial.println(cfg->restart_at_logged_errors);
  }
  else {
    Serial.println("NO restart_at_logged_errors defined -> no restarts");
    cfg->restart_at_logged_errors = 0;
  }

  if (ini.getValue("config", "show_current_time", buffer, bufferLen)) {
    Serial.print("show_current_time = ");
    cfg->show_current_time = atoi(buffer);
    Serial.println(cfg->show_current_time);
  }
  else {
    Serial.println("NO show_current_time defined");
    cfg->show_current_time = 0;
  }

  if (ini.getValue("config", "show_COB_IOB", buffer, bufferLen)) {
    Serial.print("show_COB_IOB = ");
    cfg->show_COB_IOB = atoi(buffer);
    Serial.println(cfg->show_COB_IOB);
  }
  else {
    Serial.println("NO show_COB_IOB defined");
    cfg->show_COB_IOB = 0;
  }

  if (ini.getValue("config", "snooze_timeout", buffer, bufferLen)) {
    Serial.print("snooze_timeout = ");
    cfg->snooze_timeout = atoi(buffer);
    Serial.println(cfg->snooze_timeout);
  }
  else {
    Serial.println("NO snooze_timeout defined -> set snooze time for 30 minutes");
    cfg->snooze_timeout = 30;
  }

  if (ini.getValue("config", "alarm_repeat", buffer, bufferLen)) {
    Serial.print("alarm_repeat = ");
    cfg->alarm_repeat = atoi(buffer);
    Serial.println(cfg->alarm_repeat);
  }
  else {
    Serial.println("NO alarm_repeat defined -> repeat alarm every 5 minutes");
    cfg->alarm_repeat = 5;
  }

  if (ini.getValue("config", "developer_mode", buffer, bufferLen)) {
    Serial.print("dev_mode = ");
    cfg->dev_mode = atoi(buffer);
    Serial.println(cfg->dev_mode);
  }
  else {
    Serial.println("NO developer_mode defined -> normal user mode");
    cfg->dev_mode = 0;
  }

  if (ini.getValue("config", "yellow_low", buffer, bufferLen)) {
    Serial.print("yellow_low = ");
    cfg->yellow_low = atof(buffer);
    if( cfg->show_mgdl )
      cfg->yellow_low /= 18.0;
    Serial.println(cfg->yellow_low);
  }
  else {
    Serial.println("NO yellow_low defined");
    cfg->yellow_low = 4.5;
  }

  if (ini.getValue("config", "yellow_high", buffer, bufferLen)) {
    Serial.print("yellow_high = ");
    cfg->yellow_high = atof(buffer);
    if( cfg->show_mgdl )
      cfg->yellow_high /= 18.0;
    Serial.println(cfg->yellow_high);
  }
  else {
    Serial.println("NO yellow_high defined");
    cfg->yellow_high = 9.0;
  }

  if (ini.getValue("config", "red_low", buffer, bufferLen)) {
    Serial.print("red_low = ");
    cfg->red_low = atof(buffer);
    if( cfg->show_mgdl )
      cfg->red_low /= 18.0;
    Serial.println(cfg->red_low);
  }
  else {
    Serial.println("NO red_low defined");
    cfg->red_low = 3.9;
  }

  if (ini.getValue("config", "red_high", buffer, bufferLen)) {
    Serial.print("red_high = ");
    cfg->red_high = atof(buffer);
    if( cfg->show_mgdl )
      cfg->red_high /= 18.0;
    Serial.println(cfg->red_high);
  }
  else {
    Serial.println("NO red_high defined");
    cfg->red_high = 9.0;
  }

  if (ini.getValue("config", "snd_warning", buffer, bufferLen)) {
    Serial.print("snd_warning = ");
    cfg->snd_warning = atof(buffer);
    if( cfg->show_mgdl )
      cfg->snd_warning /= 18.0;
    Serial.println(cfg->snd_warning);
  }
  else {
    Serial.println("NO snd_warning defined");
    cfg->snd_warning = 3.7;
  }

  if (ini.getValue("config", "snd_alarm", buffer, bufferLen)) {
    Serial.print("snd_alarm = ");
    cfg->snd_alarm = atof(buffer);
    if( cfg->show_mgdl )
      cfg->snd_alarm /= 18.0;
    Serial.println(cfg->snd_alarm);
  }
  else {
    Serial.println("NO snd_alarm defined");
    cfg->snd_alarm = 3.0;
  }

  if (ini.getValue("config", "snd_warning_high", buffer, bufferLen)) {
    Serial.print("snd_warning_high = ");
    cfg->snd_warning_high = atof(buffer);
    if( cfg->show_mgdl )
      cfg->snd_warning_high /= 18.0;
    Serial.println(cfg->snd_warning_high);
  }
  else {
    Serial.println("NO snd_warning_high defined");
    cfg->snd_warning_high = 14.0;
  }

  if (ini.getValue("config", "snd_alarm_high", buffer, bufferLen)) {
    Serial.print("snd_alarm_high = ");
    cfg->snd_alarm_high = atof(buffer);
    if( cfg->show_mgdl )
      cfg->snd_alarm_high /= 18.0;
    Serial.println(cfg->snd_alarm_high);
  }
  else {
    Serial.println("NO snd_alarm_high defined");
    cfg->snd_alarm_high = 20.0;
  }

  if (ini.getValue("config", "snd_no_readings", buffer, bufferLen)) {
    Serial.print("snd_no_readings = ");
    cfg->snd_no_readings = atoi(buffer);
    Serial.println(cfg->snd_no_readings);
  }
  else {
    Serial.println("NO snd_no_readings defined");
    cfg->snd_no_readings = 20;
  }

  if (ini.getValue("config", "snd_warning_at_startup", buffer, bufferLen)) {
    Serial.print("snd_warning_at_startup = ");
    cfg->snd_warning_at_startup = atoi(buffer);
    Serial.println(cfg->snd_warning_at_startup);
  }
  else {
    Serial.println("NO snd_warning_at_startup defined -> enable warning sound at startup");
    cfg->snd_warning_at_startup = 1;
  }
  
  if (ini.getValue("config", "snd_alarm_at_startup", buffer, bufferLen)) {
    Serial.print("snd_alarm_at_startup = ");
    cfg->snd_alarm_at_startup = atoi(buffer);
    Serial.println(cfg->snd_alarm_at_startup);
  }
  else {
    Serial.println("NO snd_alarm_at_startup defined -> disable alarm sound at startup");
    cfg->snd_alarm_at_startup = 0;
  }
  
  if (ini.getValue("config", "warning_music", buffer, bufferLen)) {
    Serial.print("warning_music = ");
    Serial.println(buffer);
    strlcpy(cfg->warning_music, buffer, 64);
  }
  else {
    Serial.println("NO warning_music");
    cfg->warning_music[0]=0;
  }
  
  if (ini.getValue("config", "warning_volume", buffer, bufferLen)) {
    Serial.print("warning_volume = ");
    cfg->warning_volume = atoi(buffer);
    Serial.println(cfg->warning_volume);
  }
  else {
    Serial.println("NO warning_volume defined");
    cfg->warning_volume = 50;
  }

  if (ini.getValue("config", "alarm_music", buffer, bufferLen)) {
    Serial.print("alarm_music = ");
    Serial.println(buffer);
    strlcpy(cfg->alarm_music, buffer, 64);
  }
  else {
    Serial.println("NO alarm_music");
    cfg->alarm_music[0]=0;
  }

  if (ini.getValue("config", "alarm_volume", buffer, bufferLen)) {
    Serial.print("alarm_volume = ");
    cfg->alarm_volume = atoi(buffer);
    Serial.println(cfg->alarm_volume);
  }
  else {
    Serial.println("NO alarm_volume defined");
    cfg->alarm_volume = 100;
  }

  if (ini.getValue("config", "info_line", buffer, bufferLen)) {
    Serial.print("info_line = ");
    cfg->info_line = atoi(buffer);
    Serial.println(cfg->info_line);
  }
  else {
    Serial.println("NO info_line defined = button function icons");
    cfg->info_line = 1;
  }

  if (ini.getValue("config", "brightness1", buffer, bufferLen)) {
    Serial.print("brightness1 = ");
    Serial.println(buffer);
    cfg->brightness1 = atoi(buffer);
    if(cfg->brightness1<1 || cfg->brightness1>100)
      cfg->brightness1 = 50;
  }
  else {
    Serial.println("NO brightness1");
    cfg->brightness1 = 50;
  }
  
  if (ini.getValue("config", "brightness2", buffer, bufferLen)) {
    Serial.print("brightness2 = ");
    Serial.println(buffer);
    cfg->brightness2 = atoi(buffer);
    if(cfg->brightness2<1 || cfg->brightness2>100)
      cfg->brightness2 = 100;
  }
  else {
    Serial.println("NO brightness2");
    cfg->brightness2 = 100;
  }
  if (ini.getValue("config", "brightness3", buffer, bufferLen)) {
    Serial.print("brightness3 = ");
    Serial.println(buffer);
    cfg->brightness3 = atoi(buffer);
    if(cfg->brightness3<1 || cfg->brightness3>100)
      cfg->brightness3 = 10;
  }
  else {
    Serial.println("NO brightness3");
    cfg->brightness3 = 10;
  }

  if (ini.getValue("config", "date_format", buffer, bufferLen)) {
    Serial.print("date_format = ");
    cfg->date_format = atoi(buffer);
    Serial.println(cfg->date_format);
  }
  else {
    Serial.println("NO date_format defined = 0 (dd.mm.)");
    cfg->date_format = 0;
  }

  if (ini.getValue("config", "invert_display", buffer, bufferLen)) {
    Serial.print("invert_display = ");
    cfg->invert_display = atoi(buffer);
    Serial.println(cfg->invert_display);
  }
  else {
    Serial.println("NO invert_display defined = -1");
    cfg->invert_display = -1;
  }

  if (ini.getValue("config", "display_rotation", buffer, bufferLen)) {
    Serial.print("display_rotation = ");
    cfg->display_rotation = atoi(buffer);
    Serial.println(cfg->display_rotation);
  }
  else {
    Serial.println("NO display_rotation defined = 1 = buttons down");
    cfg->display_rotation = 1;
  }

  if (ini.getValue("config", "temperature_unit", buffer, bufferLen)) {
    Serial.print("temperature_unit = ");
    cfg->temperature_unit = atoi(buffer);
    Serial.println(cfg->temperature_unit);
  }
  else {
    Serial.println("NO temperature_unit defined = CELSIUS");
    cfg->temperature_unit = 1;
  }

  if (ini.getValue("config", "disable_web_server", buffer, bufferLen)) {
    Serial.print("disable_web_server = ");
    cfg->disable_web_server = atoi(buffer);
    Serial.println(cfg->disable_web_server);
  }
  else {
    Serial.println("NO disable_web_server defined = 0");
    cfg->disable_web_server = 0;
  }

  for(int i=0; i<=9; i++) {
    char wlansection[10];
    sprintf(wlansection, "wlan%1d", i);

    if (ini.getValue(wlansection, "ssid", buffer, bufferLen)) {
      Serial.printf("[wlan%1d] ssid = %s\n", i, buffer);
      strlcpy(cfg->wlanssid[i], buffer, 32);
    } else {
      Serial.printf("NO [wlan%1d] ssid\n", i);
      cfg->wlanssid[i][0] = 0;
    }
  
    if (ini.getValue(wlansection, "pass", buffer, bufferLen)) {
      Serial.printf("[wlan%1d] pass = %s\n", i, buffer);
      strlcpy(cfg->wlanpass[i], buffer, 64);
    } else {
      Serial.printf("NO [wlan%1d] pass\n", i);
      cfg->wlanpass[i][0] = 0;
    }
  }

}