TheTick

// Copyright (C) 2024, 2025 Jakub "lenwe" Kramarz
// This file is part of The Tick.
//
// The Tick is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Tick is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License

#include <Preferences.h>
#include "tick_utils.h"

int boot_count = 0;

byte hex_to_byte(char in) {
  if (in >= '0' && in <= '9')
    return in - '0';
  else if (in >= 'A' && in <= 'F')
    return in - 'A' + 10;
  else if (in >= 'a' && in <= 'f')
    return in - 'a' + 10;
  else
    return 0;
}

char c2h(unsigned char c) { return "0123456789abcdef"[0xF & c]; }

uint32_t getChipID() {
  uint32_t chipId = 0;
  for (int i = 0; i < 17; i = i + 8) {
    chipId |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
  }
  return chipId;
}

uint32_t readVDCVoltage(void) {
  // vsense_factor = ((R1 + R2) / R2)
  // for R1=120k and R2=12k, vsense_factor = 11.0
  // for R1=12k7 and R2=1k, vsense_factor = 13.7
  int raw_mv = analogReadMilliVolts(pin_vsense);
  float vdc = ((float) raw_mv) * vsense_factor;
  return (uint32_t) vdc;
}

void incrementBootCount() {
  Preferences preferences;
  preferences.begin("boot", false);
  boot_count = preferences.getInt("boot_count", 10) + 1;
  preferences.putInt("boot_count", boot_count);
  preferences.end();
}

int getBootCount() {
  if(boot_count == 0)
    incrementBootCount();
  return boot_count;
}

String modeToString(enum tick_mode mode, bool short_name) {
  switch (mode) {
    case tick_mode_disabled:
      return "disabled";
    case tick_mode_wiegand:
      return "wiegand";
    case tick_mode_clockanddata:
      if(short_name)
        return "C&D";
      else
      return "clockanddata";
    case tick_mode_osdp_pd:
      return "osdp_pd";
    case tick_mode_osdp_cp:
      return "osdp_cp";
    default:
      return "unknown";
  }
}

String dhcp_hostname;