/*
 * Authors (alphabetical order)
 * - Bertrand Songis <bsongis@gmail.com>
 * - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
 * - Cameron Weeks <th9xer@gmail.com>
 * - Erez Raviv
 * - Jean-Pierre Parisy
 * - Karl Szmutny <shadow@privy.de>
 * - Michael Blandford
 * - Michal Hlavinka
 * - Pat Mackenzie
 * - Philip Moss
 * - Rob Thomson
 * - Romolo Manfredini <romolo.manfredini@gmail.com>
 * - Thomas Husterer
 *
 * open9x is based on code named
 * gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
 * er9x by Erez Raviv: http://code.google.com/p/er9x/,
 * and the original (and ongoing) project by
 * Thomas Husterer, th9x: http://code.google.com/p/th9x/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program 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.
 *
 */

#include "open9x.h"

const pm_uchar sticks[] PROGMEM = {
#include "sticks.lbm"
};

enum EnumTabDiag {
  e_Setup,
#if defined(PCBV4) && defined(SDCARD)
  e_FrskyTime,
#endif
#if defined(SDCARD)
  e_Sd,
#endif
  e_Trainer,
  e_Vers,
  e_Keys,
  e_Ana,
  e_Calib
};

void menuProcSetup(uint8_t event);
#if defined(PCBV4) && defined(SDCARD)
void menuProcTime(uint8_t event);
#endif
#if defined(SDCARD)
void menuProcSd(uint8_t event);
#endif
void menuProcTrainer(uint8_t event);
void menuProcDiagVers(uint8_t event);
void menuProcDiagKeys(uint8_t event);
void menuProcDiagAna(uint8_t event);
void menuProcDiagCalib(uint8_t event);

const MenuFuncP_PROGMEM menuTabDiag[] PROGMEM = {
  menuProcSetup,
#if defined(PCBV4) && defined(SDCARD)
  menuProcTime,
#endif
#if defined(SDCARD)
  menuProcSd,
#endif
  menuProcTrainer,
  menuProcDiagVers,
  menuProcDiagKeys,
  menuProcDiagAna,
  menuProcDiagCalib
};

#define GENERAL_PARAM_OFS   (2+16*FW)
NOINLINE int8_t selectMenuItem(uint8_t y, const pm_char *label, const pm_char *values, int8_t value, int8_t min, int8_t max, uint8_t attr, uint8_t event)
{
  lcd_putsLeft(y, label);
  if (values) lcd_putsiAtt(GENERAL_PARAM_OFS, y, values, value-min, attr) ;
  if (attr) CHECK_INCDEC_GENVAR(event, value, min, max);
  return value;
}

NOINLINE uint8_t onoffMenuItem(uint8_t value, uint8_t y, const pm_char *label, uint8_t attr, uint8_t event )
{
#if defined(GRAPHICS)
  menu_lcd_onoff(GENERAL_PARAM_OFS, y, value, attr);
  return selectMenuItem(y, label, NULL, value, 0, 1, attr, event);
#else
  return selectMenuItem(y, label, STR_OFFON, value, 0, 1, attr, event);
#endif
}

#if defined(GRAPHICS)
void displaySlider(uint8_t x, uint8_t y, uint8_t value, uint8_t attr)
{
  lcd_putc(GENERAL_PARAM_OFS+2*FW+(value*FW), y, '$');
  lcd_hline(GENERAL_PARAM_OFS, y+3, 5*FW-1, SOLID);
  if (attr && (!(attr & BLINK) || !BLINK_ON_PHASE)) lcd_filled_rect(GENERAL_PARAM_OFS, y, 5*FW-1, FH-1);
}
#define SLIDER(y, value, min, max, label, values, event, attr) { \
          int8_t tmp = value; \
          displaySlider(GENERAL_PARAM_OFS, y, tmp, attr); \
          value = selectMenuItem(y, label, NULL, tmp, min, max, attr, event); \
        }
#else
#define SLIDER(y, value, min, max, label, values, event, attr) \
          value = selectMenuItem(y, label, values, value, min, max, attr, event)
#endif

enum menuProcSetupItems {
  ITEM_SETUP_BEEPER_MODE,
#if defined(PCBARM)
  ITEM_SETUP_SPEAKER_VOLUME,
#endif
  ITEM_SETUP_BEEPER_LENGTH,
#if defined(AUDIO)
  ITEM_SETUP_SPEAKER_PITCH,
#endif
#if defined(HAPTIC)
  ITEM_SETUP_HAPTIC_MODE,
  ITEM_SETUP_HAPTIC_LENGTH,
  ITEM_SETUP_HAPTIC_STRENGTH,
#endif
#if defined(PCBARM)
  ITEM_SETUP_OPTREX_DISPLAY,
  ITEM_SETUP_BRIGHTNESS,
#endif
  ITEM_SETUP_CONTRAST,
  ITEM_SETUP_BATTERY_WARNING,
  ITEM_SETUP_INACTIVITY_ALARM,
#if defined(ROTARY_ENCODERS)
  ITEM_SETUP_RE_NAVIGATION,
#endif
  ITEM_SETUP_FILTER_ADC,
  ITEM_SETUP_THROTTLE_REVERSED,
  ITEM_SETUP_MINUTE_BEEP,
  ITEM_SETUP_COUNTDOWN_BEEP,
  ITEM_SETUP_FLASH_BEEP,
  ITEM_SETUP_BACKLIGHT_MODE,
  ITEM_SETUP_BACKLIGHT_DELAY,
#if defined(SPLASH)
  ITEM_SETUP_DISABLE_SPLASH,
#endif
  ITEM_SETUP_MEMORY_WARNING,
  ITEM_SETUP_ALARM_WARNING,
#if defined(FRSKY)
  ITEM_SETUP_TIMEZONE,
  ITEM_SETUP_GPSFORMAT,
#endif
  ITEM_SETUP_RX_CHANNEL_ORD,
  ITEM_SETUP_STICK_MODE,
  ITEM_SETUP_MAX
};

void menuProcSetup(uint8_t event)
{
#ifdef AUDIO
#define AUDIO_ZEROS  0,
#else
#define AUDIO_ZEROS
#endif
#ifdef HAPTIC
#define HAPTIC_ZEROS 0, 0, 0,
#else
#define HAPTIC_ZEROS
#endif
#ifdef SPLASH
#define SPLASH_ZEROS 0,
#else
#define SPLASH_ZEROS
#endif
#ifdef FRSKY
#define FRSKY_ZEROS  0, 0,
#else
#define FRSKY_ZEROS
#endif
#ifdef PCBARM
#define ARM_ZEROS  0, 0, 0, 
#else
#define ARM_ZEROS
#endif
#ifdef ROTARY_ENCODERS
#define ROTARY_ENCODERS_ZEROS 0,
#else
#define ROTARY_ENCODERS_ZEROS
#endif

  MENU(STR_MENURADIOSETUP, menuTabDiag, e_Setup, ITEM_SETUP_MAX+2, {0, 0, AUDIO_ZEROS HAPTIC_ZEROS ARM_ZEROS ROTARY_ENCODERS_ZEROS 0, 0, 0, 0, 0, 0, 0, 0, 0, SPLASH_ZEROS 0, 0, 0, 0, FRSKY_ZEROS 0, (uint8_t)-1, 1});

  uint8_t sub = m_posVert - 1;

  for (uint8_t i=0; i<7; i++) {
    uint8_t y = 1*FH + i*FH;
    uint8_t k = i+s_pgOfs;
    uint8_t blink = ((s_editMode>0) ? BLINK|INVERS : INVERS);
    uint8_t attr = (sub == k ? blink : 0);

    switch(k) {
      case ITEM_SETUP_BEEPER_MODE:
        g_eeGeneral.beeperMode = selectMenuItem(y, STR_BEEPERMODE, STR_VBEEPMODE, g_eeGeneral.beeperMode, -2, 1, attr, event);
#if defined(FRSKY)
        if (attr && checkIncDec_Ret) FRSKY_setModelAlarms();
#endif
        break;

#if defined(PCBARM)
      case ITEM_SETUP_SPEAKER_VOLUME:
      {
        lcd_putsLeft(y, STR_SPEAKER_VOLUME);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, g_eeGeneral.speakerVolume, attr|LEFT);
        if (attr) {
          CHECK_INCDEC_GENVAR(event, g_eeGeneral.speakerVolume, 0, NUM_VOL_LEVELS-1);
        }
        break;
      }
#endif

      case ITEM_SETUP_BEEPER_LENGTH:
        SLIDER(y, g_eeGeneral.beeperLength, -2, 2, STR_BEEPERLEN, STR_VBEEPLEN, event, attr);
        break;

#if defined(AUDIO)
      case ITEM_SETUP_SPEAKER_PITCH:
        lcd_putsLeft( y, STR_SPKRPITCH);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, g_eeGeneral.speakerPitch, attr|LEFT);
        if (attr) {
          CHECK_INCDEC_GENVAR(event, g_eeGeneral.speakerPitch, 0, 100);
        }
        break;
#endif

#ifdef HAPTIC
      case ITEM_SETUP_HAPTIC_MODE:
        g_eeGeneral.hapticMode = selectMenuItem(y, STR_HAPTICMODE, STR_VBEEPMODE, g_eeGeneral.hapticMode, -2, 1, attr, event);
        break;

      case ITEM_SETUP_HAPTIC_LENGTH:
        SLIDER(y, g_eeGeneral.hapticLength, -2, 2, STR_HAPTICLENGTH, STR_VBEEPLEN, event, attr);
        break;

      case ITEM_SETUP_HAPTIC_STRENGTH:
        lcd_putsLeft( y, STR_HAPTICSTRENGTH);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, g_eeGeneral.hapticStrength, attr|LEFT);
        if (attr) {
          CHECK_INCDEC_GENVAR(event, g_eeGeneral.hapticStrength, 0, 5);
        }
        break;
#endif

#if defined(PCBARM)
      case ITEM_SETUP_OPTREX_DISPLAY:
        g_eeGeneral.optrexDisplay = onoffMenuItem( g_eeGeneral.optrexDisplay, y, STR_OPTREX_DISPLAY, attr, event ) ;
        break;

      case ITEM_SETUP_BRIGHTNESS:
        lcd_putsLeft(y, STR_BRIGHTNESS);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, 100-g_eeGeneral.backlightBright, attr|LEFT) ;
        if(attr) {
          uint8_t b ;
          b = 100 - g_eeGeneral.backlightBright;
          CHECK_INCDEC_GENVAR(event, b, 0, 100);
          g_eeGeneral.backlightBright = 100 - b;
        }
        break;
#endif

      case ITEM_SETUP_CONTRAST:
        lcd_putsLeft( y, STR_CONTRAST);
        lcd_outdezAtt(GENERAL_PARAM_OFS,y,g_eeGeneral.contrast, attr|LEFT);
        if(attr) {
          CHECK_INCDEC_GENVAR(event, g_eeGeneral.contrast, 10, 45);
          lcdSetRefVolt(g_eeGeneral.contrast);
        }
        break;

      case ITEM_SETUP_BATTERY_WARNING:
        lcd_putsLeft( y,STR_BATTERYWARNING);
        putsVolts(GENERAL_PARAM_OFS, y, g_eeGeneral.vBatWarn, attr|LEFT);
        if(attr) CHECK_INCDEC_GENVAR(event, g_eeGeneral.vBatWarn, 40, 120); //4-12V
        break;

      case ITEM_SETUP_INACTIVITY_ALARM:
        lcd_putsLeft( y,STR_INACTIVITYALARM);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, g_eeGeneral.inactivityTimer, attr|LEFT);
        lcd_putc(lcdLastPos, y, 'm');
        if(attr) g_eeGeneral.inactivityTimer = checkIncDec(event, g_eeGeneral.inactivityTimer, 0, 250, EE_GENERAL); //0..250minutes
        break;

#if defined(ROTARY_ENCODERS)
      case ITEM_SETUP_RE_NAVIGATION:
        g_eeGeneral.reNavigation = selectMenuItem(y, STR_RENAVIG, STR_VRENAVIG, g_eeGeneral.reNavigation, 0, ROTARY_ENCODERS, attr, event);
        if (attr && checkIncDec_Ret) {
          for (uint8_t i=0; i<ROTARY_ENCODERS; i++)
            g_rotenc[i] = 0;
          p1valdiff = 0;
          scrollRE = 0;
        }
        break;
#endif

      case ITEM_SETUP_FILTER_ADC:
        g_eeGeneral.filterInput = selectMenuItem(y, STR_FILTERADC, STR_VFILTERADC, g_eeGeneral.filterInput, 0, 2, attr, event);
        break;

      case ITEM_SETUP_THROTTLE_REVERSED:
        g_eeGeneral.throttleReversed = onoffMenuItem( g_eeGeneral.throttleReversed, y, STR_THROTTLEREVERSE, attr, event ) ;
        break;

      case ITEM_SETUP_MINUTE_BEEP:
        g_eeGeneral.minuteBeep = onoffMenuItem( g_eeGeneral.minuteBeep, y, STR_MINUTEBEEP, attr, event ) ;
        break;

      case ITEM_SETUP_COUNTDOWN_BEEP:
        g_eeGeneral.preBeep = onoffMenuItem( g_eeGeneral.preBeep, y, STR_BEEPCOUNTDOWN, attr, event ) ;
        break;

      case ITEM_SETUP_FLASH_BEEP:
        g_eeGeneral.flashBeep = onoffMenuItem( g_eeGeneral.flashBeep, y, STR_FLASHONBEEP, attr, event ) ;
        break;

      case ITEM_SETUP_BACKLIGHT_MODE:
        g_eeGeneral.backlightMode = selectMenuItem(y, STR_BLMODE, STR_VBLMODE, g_eeGeneral.backlightMode, e_backlight_mode_off, e_backlight_mode_on, attr, event);
        break;

      case ITEM_SETUP_BACKLIGHT_DELAY:
        lcd_putsLeft( y, STR_BLDELAY);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, g_eeGeneral.lightAutoOff*5, attr|LEFT);
        lcd_putc(lcdLastPos, y, 's');
        if(attr) CHECK_INCDEC_GENVAR(event, g_eeGeneral.lightAutoOff, 0, 600/5);
        break;

#ifdef SPLASH
      case ITEM_SETUP_DISABLE_SPLASH:
      {
        uint8_t b = 1-g_eeGeneral.disableSplashScreen;
        g_eeGeneral.disableSplashScreen = 1 - onoffMenuItem( b, y, STR_SPLASHSCREEN, attr, event ) ;
        break;
      }
#endif

      case ITEM_SETUP_MEMORY_WARNING:
      {
        uint8_t b = 1-g_eeGeneral.disableMemoryWarning;
        g_eeGeneral.disableMemoryWarning = 1 - onoffMenuItem( b, y, STR_MEMORYWARNING, attr, event ) ;
        break;
      }

      case ITEM_SETUP_ALARM_WARNING:
      {
        uint8_t b = 1-g_eeGeneral.disableAlarmWarning;
        g_eeGeneral.disableAlarmWarning = 1 - onoffMenuItem( b, y, STR_ALARMWARNING, attr, event ) ;
        break;
      }

#if defined(FRSKY)
      case ITEM_SETUP_TIMEZONE:
        lcd_putsLeft(y, STR_TIMEZONE);
        lcd_outdezAtt(GENERAL_PARAM_OFS, y, g_eeGeneral.timezone, attr|LEFT);
        if (attr) CHECK_INCDEC_GENVAR(event, g_eeGeneral.timezone, -12, 12);
        break;

      case ITEM_SETUP_GPSFORMAT:
        g_eeGeneral.gpsFormat = selectMenuItem(y, STR_GPSCOORD, STR_GPSFORMAT, g_eeGeneral.gpsFormat, 0, 1, attr, event);
        break;
#endif

      case ITEM_SETUP_RX_CHANNEL_ORD:
        lcd_putsLeft( y,STR_RXCHANNELORD);//   RAET->AETR
        for (uint8_t i=1; i<=4; i++)
          putsChnLetter(GENERAL_PARAM_OFS - FW + i*FW, y, channel_order(i), attr);
        if(attr) CHECK_INCDEC_GENVAR(event, g_eeGeneral.templateSetup, 0, 23);
        break;

      case ITEM_SETUP_STICK_MODE:
        lcd_puts( 1*FW, y, STR_MODE);
        for(uint8_t i=0; i<4; i++) lcd_img((6+4*i)*FW, y, sticks,i,0);
        if((y+=FH)>7*FH) return;
        lcd_putcAtt( 3*FW, y, '1'+g_eeGeneral.stickMode,(sub==k+1) ? (s_editMode>0 ? BLINK|INVERS : INVERS) : 0);
        for(uint8_t i=0; i<4; i++) putsChnRaw( (6+4*i)*FW, y, pgm_read_byte(modn12x3 + 4*g_eeGeneral.stickMode + i), 0);

        if (sub==k+1 && s_editMode>0) {
          CHECK_INCDEC_GENVAR(event, g_eeGeneral.stickMode, 0, 3);
        }
        else if (stickMode != g_eeGeneral.stickMode) {
          pausePulses();
          stickMode = g_eeGeneral.stickMode;
          checkTHR();
          resumePulses();
          clearKeyEvents();
        }
        break;
    }
  }
}


#if defined(PCBV4) && defined(SDCARD)
// SD card interface contains Real-Time-Clock chip
void menuProcTime(uint8_t event)
{
  MENU(STR_MENUDATEANDTIME, menuTabDiag, e_FrskyTime, 3, {0, 2/*, 2*/});

  int8_t  sub    = m_posVert - 1; // vertical position (1 = page counter, top/right)
  uint8_t subSub = m_posHorz;     // horizontal position
  static struct gtm t;
  struct gtm *at = &t;

  switch(event)
  {
    case EVT_KEY_LONG(KEY_MENU):
      // get data time from RTC chip (may not implement)
      killEvents(event);
      break;
    case EVT_KEY_FIRST(KEY_MENU):
      if (sub >= 0 && s_editMode<=0) // set the date and time into RTC chip
      {
        g_ms100 = 0; // start of next second begins now
        g_unixTime = gmktime(&t); // update local timestamp and get wday calculated

        RTC rtc;
        rtc.year = t.tm_year + 1900;
        rtc.month = t.tm_mon + 1;
        rtc.mday = t.tm_mday;
        rtc.hour = t.tm_hour;
        rtc.min = t.tm_min;
        rtc.sec = t.tm_sec;
        rtc.wday = t.tm_wday + 1;

        rtc_settime(&rtc);

      }
      break;
  }

  if (s_editMode<=0) filltm(&g_unixTime, &t);

  lcd_putc(FW*10+2, FH*2, '-'); lcd_putc(FW*13, FH*2, '-');
  lcd_putc(FW*10+1, FH*4, ':'); lcd_putc(FW*13-1, FH*4, ':');

  for(uint8_t i=0; i<2; i++) // 2 rows, date then time
  {
    uint8_t y=(i*2+2)*FH;

    lcd_putsiAtt(0, y, STR_DATETIME, i, 0);

    for(uint8_t j=0; j<3;j++) // 3 settings each for date and time (YMD and HMS)
    {
      uint8_t attr = (sub==i && subSub==j) ? (s_editMode>0 ? BLINK|INVERS : INVERS) : 0;
      switch(i)
      {
        case 0: // DATE
          switch(j)
          {
            case 0:
              lcd_outdezAtt(FW*10+2, y, at->tm_year+1900, attr);
              if(attr && (s_editMode>0 || p1valdiff)) at->tm_year = checkIncDec( event, at->tm_year, 110, 200, 0);
              break;
            case 1:
              lcd_outdezNAtt(FW*13, y, at->tm_mon+1, attr|LEADING0, 2);
              if(attr && (s_editMode>0 || p1valdiff)) at->tm_mon = checkIncDec( event, at->tm_mon, 0, 11, 0);
              break;
            case 2:
              lcd_outdezNAtt(FW*16-2, y, at->tm_mday, attr|LEADING0, 2);
              if(attr && (s_editMode>0 || p1valdiff)) at->tm_mday = checkIncDec( event, at->tm_mday, 1, 31, 0);
              break;
          }
          break;

        case 1:
          switch (j)
          {
            case 0:
              lcd_outdezNAtt(FW*10+1, y, at->tm_hour, attr|LEADING0, 2);
              if(attr && (s_editMode>0 || p1valdiff)) at->tm_hour = checkIncDec( event, at->tm_hour, 0, 23, 0);
              break;
            case 1:
              lcd_outdezNAtt(FW*13-1, y, at->tm_min, attr|LEADING0, 2);
              if(attr && (s_editMode>0 || p1valdiff)) at->tm_min = checkIncDec( event, at->tm_min, 0, 59, 0);
              break;
            case 2:
              lcd_outdezNAtt(FW*16-2, y, at->tm_sec, attr|LEADING0, 2);
              if(attr && (s_editMode>0 || p1valdiff)) at->tm_sec = checkIncDec( event, at->tm_sec, 0, 59, 0);
              break;
          }
          break;

      }
    }
  }
}
#endif

#if defined(SDCARD)
#if defined(PCBARM) && !defined(SIMU)
// TODO rewrite this ...
extern uint32_t Cmd_A41_resp;
#define OCR_SD_CCS             (1UL << 30)
#else
#define Cmd_A41_resp 0
#define OCR_SD_CCS             (0)
#endif

void menuProcSd(uint8_t event)
{
  FILINFO fno;
  DIR dir;
  char *fn;   /* This function is assuming non-Unicode cfg. */
#if _USE_LFN
  TCHAR lfn[_MAX_LFN + 1];
  fno.lfname = lfn;
  fno.lfsize = sizeof(lfn);
#else
  char lfn[SD_SCREEN_FILE_LENGTH];
#endif

  uint8_t _event = event;
  if (s_menu_count) {
    event = 0;
  }

  SIMPLE_MENU(Cmd_A41_resp & OCR_SD_CCS ? STR_SDHC_CARD : STR_SD_CARD, menuTabDiag, e_Sd, 1+reusableBuffer.sd.count);

  if (s_editMode > 0)
    s_editMode = 0;

  switch(event) {
    case EVT_ENTRY:
      f_chdir("/");
      reusableBuffer.sd.offset = 255;
      break;
#if defined(ROTARY_ENCODERS)
    case EVT_KEY_FIRST(BTN_REa):
    case EVT_KEY_FIRST(BTN_REb):
      if (!navigationRotaryEncoder(event))
        break;
      // no break
#endif
    case EVT_KEY_FIRST(KEY_RIGHT):
    case EVT_KEY_FIRST(KEY_MENU):
    {
      if (m_posVert > 0) {
        uint8_t index = m_posVert-1-s_pgOfs;
        if (reusableBuffer.sd.flags[index]) {
          killEvents(event);
          f_chdir(reusableBuffer.sd.lines[index]);
          s_pgOfs = 0;
          m_posVert = 1;
          reusableBuffer.sd.offset = 255;
        }
      }
      break;
    }
#if defined(ROTARY_ENCODERS)
    case EVT_KEY_LONG(BTN_REa):
    case EVT_KEY_LONG(BTN_REb):
      if (!navigationRotaryEncoder(event))
        break;
      // no break
#endif
    case EVT_KEY_LONG(KEY_MENU):
      killEvents(event);
      if (m_posVert > 0) {
#if defined(PCBARM)
        uint8_t index = m_posVert-1-s_pgOfs;
        char * line = reusableBuffer.sd.lines[index];
        if (!strcmp(line+strlen(line)-4, SOUNDS_EXT)) {
          s_menu[s_menu_count++] = STR_PLAY_FILE;
        }
#endif
        s_menu[s_menu_count++] = STR_DELETE_FILE;
        s_menu[s_menu_count++] = STR_RENAME_FILE;
        s_menu[s_menu_count++] = STR_COPY_FILE;
      }
      break;
  }

  if (reusableBuffer.sd.offset != s_pgOfs) {
    memset(reusableBuffer.sd.lines, 0, sizeof(reusableBuffer.sd.lines));
    memset(reusableBuffer.sd.flags, 0, sizeof(reusableBuffer.sd.flags));
    reusableBuffer.sd.offset = s_pgOfs;
    reusableBuffer.sd.count = 0;
    uint16_t offset = 0;
    uint8_t count = 0;
    FRESULT res = f_opendir(&dir, ".");        /* Open the directory */
    if (res == FR_OK) {
      for (;;) {
        res = f_readdir(&dir, &fno);                   /* Read a directory item */
        if (res != FR_OK || fno.fname[0] == 0) break;  /* Break on error or end of dir */
        if (fno.fname[0] == '.' && fno.fname[1] == '\0') continue;             /* Ignore dot entry */
#if _USE_LFN
        fn = *fno.lfname ? fno.lfname : fno.fname;
#else
        fn = fno.fname;
#endif
        reusableBuffer.sd.count++;
        if (offset < s_pgOfs) {
          offset++;
          continue;
        }

        if (count < 7) {
          reusableBuffer.sd.flags[count] = (fno.fattrib & AM_DIR);
          strncpy(reusableBuffer.sd.lines[count], fn, SD_SCREEN_FILE_LENGTH);
          count++;
        }
      }
    }
  }

  for (uint8_t i=0; i<7; i++) {
    uint8_t y = FH+i*FH;
    uint8_t x = 0;
    uint8_t attr = (m_posVert-1-s_pgOfs == i ? BSS|INVERS : BSS);
    if (reusableBuffer.sd.flags[i]) { lcd_putcAtt(0, y, '[', attr); x += FW; }
    lcd_putsAtt(x, y, reusableBuffer.sd.lines[i], attr);
    if (reusableBuffer.sd.flags[i]) { lcd_putcAtt(lcdLastPos, y, ']', attr); }
  }

  if (s_menu_count) {
    const char * result = displayMenu(_event);
    if (result) {
      uint8_t index = m_posVert-1-s_pgOfs;
      if (result == STR_DELETE_FILE) {
        f_getcwd(lfn, SD_SCREEN_FILE_LENGTH);
        strcat_P(lfn, PSTR("/"));
        strcat(lfn, reusableBuffer.sd.lines[index]);
        f_unlink(lfn);
        strncpy(statusLineMsg, reusableBuffer.sd.lines[index], 13);
        strcpy_P(statusLineMsg+min((uint8_t)strlen(statusLineMsg), (uint8_t)13), STR_REMOVED);
        showStatusLine();
        if ((uint16_t)m_posVert == reusableBuffer.sd.count) m_posVert--;
        reusableBuffer.sd.offset = s_pgOfs-1;
      }
#if defined(PCBARM)
      else if (result == STR_PLAY_FILE) {
        f_getcwd(lfn, SD_SCREEN_FILE_LENGTH);
        strcat(lfn, "/");
        strcat(lfn, reusableBuffer.sd.lines[index]);
        audioQueue.playFile(lfn, PLAY_NOW);
      }
#endif
    }
  }
}
#endif

void menuProcTrainer(uint8_t event)
{
  uint8_t y;
  bool slave = SLAVE_MODE;

  MENU(STR_MENUTRAINER, menuTabDiag, e_Trainer, slave ? 1 : 7, {0, 2, 2, 2, 2, 0/*, 0*/});

  if (slave) { // i am the slave
    lcd_puts(7*FW, 3*FH, STR_SLAVE);
  }
  else {
    uint8_t attr;
    uint8_t blink = ((s_editMode>0) ? BLINK|INVERS : INVERS);

    lcd_puts(3*FW, 1*FH, STR_MODESRC);

    y = 2*FH;

    for (uint8_t i=1; i<=NUM_STICKS; i++) {
      uint8_t chan = channel_order(i);
      volatile TrainerMix *td = &g_eeGeneral.trainer.mix[chan-1];

      putsChnRaw(0, y, chan, 0);

      for (uint8_t j=0; j<3; j++) {

        attr = ((m_posVert==i && m_posHorz==j) ? blink : 0);

        switch(j) {
          case 0:
            lcd_putsiAtt(4*FW, y, STR_TRNMODE, td->mode, attr);
            if (attr&BLINK) CHECK_INCDEC_GENVAR(event, td->mode, 0, 2);
            break;

          case 1:
            lcd_outdezAtt(11*FW, y, td->studWeight, attr);
            if (attr&BLINK) CHECK_INCDEC_GENVAR(event, td->studWeight, -100, 100);
            break;

          case 2:
            lcd_putsiAtt(12*FW, y, STR_TRNCHN, td->srcChn, attr);
            if (attr&BLINK) CHECK_INCDEC_GENVAR(event, td->srcChn, 0, 3);
            break;
        }
      }
      y += FH;
    }

    attr = (m_posVert==5) ? blink : 0;
    lcd_putsLeft(6*FH, STR_MULTIPLIER);
    lcd_outdezAtt(LEN_MULTIPLIER*FW+3*FW, 6*FH, g_eeGeneral.PPM_Multiplier+10, attr|PREC1);
    if (attr) CHECK_INCDEC_GENVAR(event, g_eeGeneral.PPM_Multiplier, -10, 40);

    attr = (m_posVert==6) ? blink : 0;
    lcd_putsAtt(0*FW, 7*FH, STR_CAL, attr);
    for (uint8_t i=0; i<4; i++) {
      uint8_t x = (i*8+16)*FW/2;
#if defined (DECIMALS_DISPLAYED)
      lcd_outdezAtt(x, 7*FH, (g_ppmIns[i]-g_eeGeneral.trainer.calib[i])*2, PREC1);
#else
      lcd_outdezAtt(x, 7*FH, (g_ppmIns[i]-g_eeGeneral.trainer.calib[i])/5, 0);
#endif
    }

    if (attr) {
      if (event==EVT_KEY_FIRST(KEY_MENU)){
        s_editMode = -1;
        memcpy(g_eeGeneral.trainer.calib, g_ppmIns, sizeof(g_eeGeneral.trainer.calib));
        eeDirty(EE_GENERAL);
        AUDIO_KEYPAD_UP();
      }
    }
  }
}

extern uint32_t Card_state;
void menuProcDiagVers(uint8_t event)
{
  SIMPLE_MENU(STR_MENUVERSION, menuTabDiag, e_Vers, 1);

  lcd_putsLeft(2*FH, stamp1);
  lcd_putsLeft(3*FH, stamp2);
  lcd_putsLeft(4*FH, stamp3);
  lcd_putsLeft(5*FH, stamp4);
  lcd_putsLeft(7*FH, STR_EEPROMV);
  lcd_outdezAtt(8*FW, 7*FH, g_eeGeneral.myVers, LEFT);
  lcd_outdezAtt(15*FW, 7*FH, g_eeGeneral.variants, LEFT);
}

void menuProcDiagKeys(uint8_t event)
{
  SIMPLE_MENU(STR_MENUDIAG, menuTabDiag, e_Keys, 1);

  for(uint8_t i=0; i<9; i++) {
    uint8_t y=i*FH; //+FH;
    if(i>(SW_ID0-SW_BASE_DIAG)) y-=FH; //overwrite ID0
    bool t=keyState((EnumKeys)(SW_BASE_DIAG+i));
    putsSwitches(8*FW, y, i+1, 0); //ohne off,on
    lcd_putcAtt(11*FW+2, y, t+'0', t ? INVERS : 0);
  }

  for(uint8_t i=0; i<6; i++) {
    uint8_t y=(5-i)*FH+2*FH;
    bool t=keyState((EnumKeys)(KEY_MENU+i));
    lcd_putsiAtt(0, y, STR_VKEYS, i, 0);
    lcd_putcAtt(5*FW+2, y, t+'0', t);
  }

#if defined (ROTARY_ENCODERS)
  for(uint8_t i=0; i<ROTARY_ENCODERS; i++) {
    uint8_t y = i*FH + FH;
    lcd_putsiAtt(14*FW, y, STR_VRENCODERS, i, 0);
    lcd_outdezNAtt(18*FW, y, g_rotenc[i], LEFT|(keyState((EnumKeys)(BTN_REa+i)) ? INVERS : 0));
  }
#endif

  lcd_puts(14*FW, 3*FH, STR_VTRIM);
  for(uint8_t i=0; i<4; i++) {
    uint8_t y=i*FH+FH*4;
    lcd_img(14*FW, y, sticks,i,0);
    bool tm=keyState((EnumKeys)(TRM_BASE+2*i));
    lcd_putcAtt(18*FW, y, tm+'0', tm ? INVERS : 0);
    bool tp=keyState((EnumKeys)(TRM_BASE+2*i+1));
    lcd_putcAtt(20*FW, y, tp+'0', tp ? INVERS : 0);
  }
}

void menuProcDiagAna(uint8_t event)
{
#if defined(PCBARM) && defined(REVB)
#define ANAS_ITEMS_COUNT 3
#else
#define ANAS_ITEMS_COUNT 2
#endif

  SIMPLE_MENU(STR_MENUANA, menuTabDiag, e_Ana, ANAS_ITEMS_COUNT);

  for (uint8_t i=0; i<7; i++) {
    uint8_t y = 1+FH+(i/2)*FH;
    uint8_t x = i&1 ? 64+5 : 0;
    putsStrIdx(x, y, PSTR("A"), i+1);
    lcd_putc(x+2*FWNUM, y, ':');
    lcd_outhex4(x+3*FW-1, y, anaIn(i));
    lcd_outdez8(x+10*FW-1, y, (int16_t)calibratedStick[CONVERT_MODE(i+1)-1]*25/256);
  }

#if !defined(PCBARM)
  // Display raw BandGap result (debug)
  lcd_puts(64+5, 1+4*FH, STR_BG);
  lcd_outdezAtt(64+5+6*FW-3, 1+4*FH, BandGap, 0);
#endif

  // Voltage calibration
  lcd_putsLeft(6*FH-2, STR_BATT_CALIB);
  putsVolts(LEN_CALIB_FIELDS*FW+4*FW, 6*FH-2, g_vbat100mV, (m_posVert==1 ? INVERS : 0));
  if (m_posVert==1) CHECK_INCDEC_GENVAR(event, g_eeGeneral.vBatCalib, -127, 127);

#if defined(PCBARM) && defined(REVB)
  lcd_putsLeft(7*FH-2, STR_CURRENT_CALIB);
  putsTelemetryValue(LEN_CALIB_FIELDS*FW+4*FW, 7*FH-2, getCurrent(), UNIT_MILLIAMPS, (m_posVert==2 ? INVERS : 0)) ;
  if (m_posVert==2) CHECK_INCDEC_GENVAR(event, g_eeGeneral.currentCalib, -49, 49);
#endif

}

void menuProcDiagCalib(uint8_t event)
{
  SIMPLE_MENU(STR_MENUCALIBRATION, menuTabDiag, e_Calib, 1);

  static uint8_t idxState;

  for (uint8_t i=0; i<7; i++) { //get low and high vals for sticks and trims
    int16_t vt = anaIn(i);
    reusableBuffer.calib.loVals[i] = min(vt, reusableBuffer.calib.loVals[i]);
    reusableBuffer.calib.hiVals[i] = max(vt, reusableBuffer.calib.hiVals[i]);
    //if(i>=4) midVals[i] = (loVals[i] + hiVals[i])/2;
  }

  s_noScroll = idxState; // make sure we don't scroll while calibrating

  switch(event)
  {
    case EVT_ENTRY:
      idxState = 0;
      break;

    case EVT_KEY_BREAK(KEY_MENU):
      idxState++;
      if (idxState==3) {
        STORE_GENERALVARS;
        idxState = 0;
      }
      break;
  }


  switch (idxState) {
    case 0:
      // START CALIBRATION
      lcd_puts(3*FW, 3*FH, STR_MENUTOSTART);
      break;

    case 1:
      // SET MIDPOINT
      lcd_putsAtt(5*FW, 2*FH, STR_SETMIDPOINT, s_noScroll ? INVERS : 0);
      lcd_puts(3*FW, 3*FH, STR_MENUWHENDONE);

      for (uint8_t i=0; i<7; i++) {
        reusableBuffer.calib.loVals[i] = 15000;
        reusableBuffer.calib.hiVals[i] = -15000;
        reusableBuffer.calib.midVals[i] = anaIn(i);
      }
      break;

    case 2:
      // MOVE STICKS/POTS
      lcd_putsAtt(3*FW, 2*FH, STR_MOVESTICKSPOTS, s_noScroll ? INVERS : 0);
      lcd_puts(3*FW, 3*FH, STR_MENUWHENDONE);

      for (uint8_t i=0; i<7; i++) {
        if (abs(reusableBuffer.calib.loVals[i]-reusableBuffer.calib.hiVals[i])>50) {
          g_eeGeneral.calibMid[i] = reusableBuffer.calib.midVals[i];
          int16_t v = reusableBuffer.calib.midVals[i] - reusableBuffer.calib.loVals[i];
          g_eeGeneral.calibSpanNeg[i] = v - v/64;
          v = reusableBuffer.calib.hiVals[i] - reusableBuffer.calib.midVals[i];
          g_eeGeneral.calibSpanPos[i] = v - v/64;
        }
      }

      g_eeGeneral.chkSum = evalChkSum();
      break;
  }

  doMainScreenGrphics();
}