K1Guitar/Global/Global.c

#include "includes.h"

  
rt_mutex_t TM1629_Mutex   = RT_NULL;
rt_mutex_t TM1617_Mutex   = RT_NULL;
rt_mq_t    MainTask_msg   = RT_NULL;
rt_mq_t    UITask_msg     = RT_NULL;
rt_mq_t    BLTask_msg     = RT_NULL;
rt_sem_t   UART4_sem      = RT_NULL;
// 定义定时器ID
rt_timer_t OutTime_Stop_timer = RT_NULL;

const Touch_AreaTypeDef *pCurrentTouch_Area = Touch_ModeSelect_Areas;

GUI_SWITCH  mGuiData[] = {
    {  0,     0,       11,    GUI_TRANSPOSE},      // 0
    {  78,    40,     260,    GUI_SPEED},          // 1
    {   0,     0,       1,    GUI_MODE_PARAM},    // 2 ?? <20>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>࿪<EFBFBD><E0BFAA> 0=<3D><> 1=<3D><>
    {   0,     0,       4,    GUI_TIMBRE_SELECT},  // 3
    {   0,     0,       3,    GUI_PLAY_SECTION},   // 4
    {   0,     0,       3,    GUI_TAB_INDEX},      // 5
    {   0,     0,       1,    GUI_AUTOBAND_SW},    // 6 ?? <20>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>࿪<EFBFBD><E0BFAA> 0=<3D><> 1=<3D><>
    {   1,     0,       1,    GUI_BL_SW},
    {   0,     0,       3,    GUI_TAB_LAST_INDEX},
};
GUI_SWITCH ParamGuiData[] =
{
    {  0,     0,      30,    SONG_MODE_PARAM},      // 0 节奏类型（1.bin，约 31 首）
    {  0,     0,       0,    EXPRESS_MODE_PARAM},   // 1 本地曲目（2.bin；Max 由 UI_ReloadTonePreset←LOCAL_SONG_COUNT）
    {  0,    0,       2,     ALL_MODE_PARAM},       // 2
};


  
const LEBEL_UI UI_Label[] = {
   /* 0819：移调/速度 标签11、主值16 */
   {UI0902_MARGIN_X, UI0902_CARD_W, UI0902_CARD_Y, UI0902_CARD_H,
    (const uint8_t*)"\xD2\xC6\xB5\xF7", LCD_ALIGN_CENTER, WHITE,BLACK,UI0902_FONT_LABEL,
    LCD_ALIGN_CENTER,WHITE,BLACK,UI0902_FONT_HERO, GUI_TRANSPOSE},
   {UI0902_MARGIN_X + UI0902_CARD_W + UI0902_CARD_GAP, UI0902_CARD_W, UI0902_CARD_Y, UI0902_CARD_H,
    (const uint8_t*)"\xCB\xD9\xB6\xC8", LCD_ALIGN_CENTER, WHITE,BLACK,UI0902_FONT_LABEL,
    LCD_ALIGN_CENTER,WHITE,BLACK,UI0902_FONT_HERO, GUI_SPEED},
   /* 0819：TAB/行标题11、曲目正文13 */
   {UI0902_MARGIN_X, UI0902_CONTENT_W, UI0902_MODE_Y, UI0902_MODE_H,
    (const uint8_t*)"\xB8\xE8\xC7\xFA\xD1\xA1\xD4\xF1", LCD_ALIGN_LEFT,WHITE,BLACK,UI0902_FONT_LABEL,
    LCD_ALIGN_CENTER,WHITE,BLACK,UI0902_FONT_BODY,GUI_MODE_PARAM},
   {UI0902_MARGIN_X, UI0902_CONTENT_W, UI0902_TIMBRE_Y, UI0902_TIMBRE_H,
    (const uint8_t*)"\xCF\xD2\xD2\xF4\xC9\xAB\xD1\xA1\xD4\xF1",LCD_ALIGN_LEFT,WHITE,BLACK,UI0902_FONT_LABEL,
    LCD_ALIGN_CENTER,WHITE,BLACK,UI0902_FONT_BODY,GUI_TIMBRE_SELECT},
   /* 0819：演奏段落 字号13 */
   {UI0902_MARGIN_X, UI0902_CONTENT_W, UI0902_SECTION_Y, UI0902_SECTION_H,
    (const uint8_t*)"\xD1\xDD\xD7\xE0\xB6\xCE\xC2\xE4",LCD_ALIGN_LEFT,WHITE,BLACK,UI0902_FONT_BODY,
    LCD_ALIGN_CENTER,WHITE,BLACK,UI0902_FONT_BODY,GUI_PLAY_SECTION},
};


    
/* 0904 / 0902-06：左→右 伴奏|弦|麦|麦混响，轨宽31 顶≈58 */
Fader_t faders[4] = {
    {  27, 58, 31, 215, 7, 0, 0, "\xB0\xE9\xD7\xE0" }, /* 0: 伴奏 */
    {  78, 58, 31, 215, 7, 1, 0, "\xCF\xD2" },         /* 1: 弦 */
    { 130, 58, 31, 215, 7, 2, 0, "\xC2\xF3" },         /* 2: 麦 */
    { 182, 58, 31, 215, 7, 3, 0, "\xC2\xF3\xBB\xEC\xCF\xEC" } /* 3: 麦混响 */
};


const Touch_AreaTypeDef Touch_Areas[] =
{
    /* Xmin,Xmax,Ymin,Ymax, Flag, Value, ID, action — 与 UI_Label 网格同步 */
    {  12,   64,  UI0902_CARD_Y, UI0902_CARD_Y + UI0902_CARD_H - 1,  -1, 0, GUI_TRANSPOSE,     NULL },
    {  65,  116,  UI0902_CARD_Y, UI0902_CARD_Y + UI0902_CARD_H - 1,   1, 0, GUI_TRANSPOSE,     NULL },

    { 125,  176,  UI0902_CARD_Y, UI0902_CARD_Y + UI0902_CARD_H - 1,  -1, 0, GUI_SPEED,         NULL },
    { 177,  228,  UI0902_CARD_Y, UI0902_CARD_Y + UI0902_CARD_H - 1,   1, 0, GUI_SPEED,         NULL },

    /* 节奏类型 / 本地曲目 TAB（0902：12-66 / 72-127） */
    {  12,   66,  UI0902_MODE_Y,  UI0902_MODE_Y + UI0902_TAB_H - 1,   0, 0, GUI_AUTOBAND_SW,   NULL },
    {  72,  127,  UI0902_MODE_Y,  UI0902_MODE_Y + UI0902_TAB_H - 1,   0, 1, GUI_AUTOBAND_SW,   NULL },

    {  13,  120,  UI0902_MODE_Y + UI0902_TAB_H + 4, UI0902_MODE_Y + UI0902_MODE_H - 1,  -1, 0, GUI_MODE_PARAM,    NULL },
    { 121,  227,  UI0902_MODE_Y + UI0902_TAB_H + 4, UI0902_MODE_Y + UI0902_MODE_H - 1,   1, 0, GUI_MODE_PARAM,    NULL },

    {  13,  120,  UI0902_TIMBRE_Y, UI0902_TIMBRE_Y + UI0902_TIMBRE_H - 1,  -1, 0, GUI_TIMBRE_SELECT, NULL },
    { 121,  227,  UI0902_TIMBRE_Y, UI0902_TIMBRE_Y + UI0902_TIMBRE_H - 1,   1, 0, GUI_TIMBRE_SELECT, NULL },

    /* 演奏段落 1~4（0902-04：12/69/125/182，宽 47，步进 57） */
    {  12,   58,  UI0902_SECTION_Y, UI0902_SECTION_Y + UI0902_SECTION_BTN_H - 1,   0, 0, GUI_PLAY_SECTION,  NULL },
    {  69,  115,  UI0902_SECTION_Y, UI0902_SECTION_Y + UI0902_SECTION_BTN_H - 1,   0, 1, GUI_PLAY_SECTION,  NULL },
    { 126,  172,  UI0902_SECTION_Y, UI0902_SECTION_Y + UI0902_SECTION_BTN_H - 1,   0, 2, GUI_PLAY_SECTION,  NULL },
    { 183,  229,  UI0902_SECTION_Y, UI0902_SECTION_Y + UI0902_SECTION_BTN_H - 1,   0, 3, GUI_PLAY_SECTION,  NULL },

    /* 底栏四键：万能 | 普通 | 专业 | 设置（触区中线对齐 cx 40/100/160/210） */
    {   0,   69,  280,  319,   0, UI0902_NAV_UNIVERSAL, GUI_NAV_BAR, NULL },
    {  70,  129,  280,  319,   0, UI0902_NAV_NORMAL,    GUI_NAV_BAR, NULL },
    { 130,  184,  280,  319,   0, UI0902_NAV_EXPERT,    GUI_NAV_BAR, NULL },
    { 185,  239,  280,  319,   0, UI0902_NAV_SETTING,   GUI_NAV_BAR, NULL },
};

/* 推子 0~10 共 11 档；档10 取 AW816 上限附近 */
int16_t MIC_VOL_MAP[11]= {-9000,-7000,-5000,-3000,-1000,1000,3000,5000,7000,9000,1200};

uint8_t TOUCH_AREA_NUM = (sizeof(Touch_Areas)/sizeof(Touch_AreaTypeDef));

const uint8_t Version[3] = {0,2,3}; /* major.minor.patch — 0.2.3: local song HKTK load/play + tone addr logs */

uint8_t Led = 8;
bool PressFlag = 0;

uint8_t AutoCloseTime = 15;
uint16_t mAutoPowerOffCount = 15 * 60;
bool AutoCloseFlag = true;
void MainTask_Sendmsg(uint16_t ID, uint16_t ID2, uint16_t HiByte, uint16_t LoByte)
{
  DisplayTaskMessage_Type msg;
  rt_err_t ret;

  msg.MessageType = ID;       /* 业务消息 ID（MSG_ID_xxx） */
  msg.ID          = ID2;
  msg.HiByte      = HiByte;
  msg.LoByte      = LoByte;
  ret = rt_mq_send(MainTask_msg, &msg, sizeof(DisplayTaskMessage_Type));

  if (ret != RT_EOK) {
    LOG_E("MSG", "send fail id=%u ret=%d", (unsigned)ID, (int)ret);
  } else if (ID == MSG_ID_TOUCH || ID == MSG_ID_TOUCH_LONG_REPEAT ||
             ID == MSG_ID_POWER_ON || ID == MSG_ID_POWER_OFF ||
             ID == MSG_ID_BP_KEY || ID == MSG_ID_TAP_SPEED ||
             ID == MSG_ID_BP_TRANSPOSE) {
    LOG_I("MSG", "id=%u hi=%u lo=%u", (unsigned)ID, (unsigned)HiByte, (unsigned)LoByte);
  }
}


void UITask_Sendmsg(uint16_t ID, uint16_t ID2, uint16_t HiByte, uint16_t LoByte)
{
  DisplayTaskMessage_Type msg;

  msg.MessageType = ID;       /* 业务消息 ID（MSG_ID_xxx） */
  msg.ID          = ID2;
  msg.HiByte      = HiByte;
  msg.LoByte      = LoByte;
  rt_mq_send(UITask_msg, &msg, sizeof(DisplayTaskMessage_Type));
}

void BLTask_Sendmsg(uint16_t ID, uint16_t ID2, uint16_t HiByte, uint16_t LoByte)
{
  DisplayTaskMessage_Type msg;

  msg.MessageType = ID;       /* 业务消息 ID（MSG_ID_xxx） */
  msg.ID          = ID2;
  msg.HiByte      = HiByte;
  msg.LoByte      = LoByte;
  rt_mq_send(BLTask_msg, &msg, sizeof(DisplayTaskMessage_Type));
}





#define KEY_PRESS_LEVEL   RESET

#define PWR_ON_HOLD_MS    3000   /* 关机态长按 3s → 开机 */
#define PWR_OFF_HOLD_MS   2000   /* 开机态长按 2s → 关机 */


typedef enum
{
  KEY_STATE_IDLE,
  KEY_STATE_PRESS,
  KEY_STATE_NONE,
}PwrKeyState;

static PwrKeyState pwr_key_state = KEY_STATE_IDLE;
static uint32_t pwr_press_tick = 0;

/* 当前开关机状态（UI_Idle.c 等 extern 引用） */
bool powon = false;

/* ==================== 开机/关机动作 ==================== */
void System_PowerOn(void)
{
  LOG_I("PWR", "power_on begin");
  /* 控制电源硬件；蓝牙按 NVM/系统设置开关恢复，勿强制常开 */
  BSP_MainPowerEnable(1);
  BSP_DreamCorePowerEnable(1);
  BSP_HT7178PowerEnable(1);
  BSP_BlueToothPowerEnable((uint8_t)(mGuiData[GUI_BL_SW].Current ? 1 : 0));
  powon = true;                              /* 更新开机标志 */

  /* 先通知 UI 亮屏，避免外设初始化阻塞导致长时间黑屏 */
  LOG_I("PWR", "send POWER_ON");
  MainTask_Sendmsg(MSG_ID_POWER_ON, 0, 0, 0);

  AD85020B_Init();
  TM1629D_Key_LED_Init();
  app_tm1617_init();
  XPT2046_Init();
  App_Auto_Init();
  LOG_I("PWR", "periph ready");
}

static void PowerOn(void)
{
  System_PowerOn();
}

static void PowerOff(void)
{
  uint8_t nvm_ret;

  LOG_I("PWR", "power_off begin");
  powon = false;    /* 更新关机标志 */
  StopFullTask();

  /* 关机前把当前调音台推子与蓝牙开关写入 NVM，保证再次开机保持 */
  {
    NvmParam_Type *nvm = drv_nvm_param_ptr();
    nvm->param.BandVol   = faders[0].val;
    nvm->param.StringVol = faders[1].val;
    nvm->param.MIcVol    = faders[2].val;
    nvm->param.MicRev    = faders[3].val;
    nvm->param.BluetoothSW = (uint8_t)(mGuiData[GUI_BL_SW].Current ? 1 : 0);
  }
  nvm_ret = drv_nvm_save_to_flash();
  LOG_I("PWR", "nvm_save=%u", (unsigned)nvm_ret);
  
  LCD_FillByColor(0, 0, 240, 320, BLACK);
  LCD_BLK_Clr();
  
  app_tm1629_all_off();
  
  app_tm1617_off();
  /* 关闭电源硬件；MCU 保持运行以便长按开机 / 关机充电画面 */
  BSP_MainPowerEnable(0);
  BSP_DreamCorePowerEnable(0);
  BSP_HT7178PowerEnable(0);
  BSP_BlueToothPowerEnable(0);
  CurrUIProcress = IdleProcess;
  MainTask_Sendmsg(MSG_ID_POWER_OFF, 0, 0, 0);
  LOG_I("PWR", "power_off done (soft-off, no reset)");

  /* 关机时若已插着 Type-C，立刻进充电画面 */
  {
    uint8_t i;
    for (i = 0; i < 4; i++)
    {
      app_adc_in1_scan_part(4);
      if (usb_charging_state || app_adc_usb_is_plugged())
        break;
      rt_thread_mdelay(5);
    }
    if (usb_charging_state || app_adc_usb_is_plugged())
    {
      usb_charging_state = 1;
      usb_charging_laststate = 1;
      LOG_I("PWR", "soft-off with USB → charge UI");
      MainTask_Sendmsg(MSG_ID_POWOFF_CHARG, percentage, 1, 0);
    }
  }
}

void Power_Key_Scan()
{
  flag_status status = BSP_GetPowerKey();
  uint32_t now = rt_tick_get();
  uint32_t holdtick = 0;

  /* 复位/烧录后：无 USB 则自动开机一次；有 Type-C 则进关机充电画面（勿进 Logo） */
  if (powon == false && pwr_key_state == KEY_STATE_IDLE && pwr_press_tick == 0)
  {
    static uint8_t s_auto_poweron_pending = 1;
    if (s_auto_poweron_pending)
    {
      uint8_t i;
      s_auto_poweron_pending = 0;
      /* 多采几次 USB 检测，避免上电瞬间误判 */
      for (i = 0; i < 8; i++)
      {
        app_adc_in1_scan_part(4);
        if (usb_charging_state || app_adc_usb_is_plugged())
          break;
        rt_thread_mdelay(5);
      }
      if (usb_charging_state || app_adc_usb_is_plugged())
      {
        usb_charging_state = 1;
        usb_charging_laststate = 1;
        LOG_I("PWR", "boot with USB → charge UI (no logo)");
        CurrUIProcress = IdleProcess;
        MainTask_Sendmsg(MSG_ID_POWOFF_CHARG, percentage, 1, 0);
        pwr_key_state = KEY_STATE_NONE;
        return;
      }
      LOG_I("PWR", "auto power_on");
      PowerOn();
      pwr_key_state = KEY_STATE_NONE; /* 忽略开机瞬间可能残留的按键电平 */
      return;
    }
  }

  switch(pwr_key_state)
  {
    case KEY_STATE_IDLE:
      if(status == KEY_PRESS_LEVEL)
      {
        pwr_press_tick = now;
        pwr_key_state = KEY_STATE_PRESS;
      }
    break;

    case KEY_STATE_PRESS:
      if(status != KEY_PRESS_LEVEL)          /* 提前松开，放弃 */
      {
        pwr_press_tick = 0;
        pwr_key_state = KEY_STATE_IDLE;
        break;
      }
      holdtick = now - pwr_press_tick;

      /* 用 powon 区分：关机长按 3s 开机，开机长按 2s 关机 */
      if(powon == false && holdtick >= PWR_ON_HOLD_MS)
      {
        LOG_I("PWR", "key power_on hold=%u", (unsigned)holdtick);
        PowerOn();
        pwr_key_state = KEY_STATE_NONE;
      }
      else if(powon == true && holdtick >= PWR_OFF_HOLD_MS)
      {
        LOG_I("PWR", "key power_off hold=%u", (unsigned)holdtick);
        PowerOff();
        pwr_key_state = KEY_STATE_NONE;
      }
    break;

    case KEY_STATE_NONE:
      if(status != KEY_PRESS_LEVEL)          /* 松开后复位，允许下次触发 */
      {
        pwr_key_state = KEY_STATE_IDLE;
        pwr_press_tick = 0;
      }
    break;
  }
}


/* ============================================================
 * 缺失符号补定义（AutoBandTop1 模块源码缺失，这些是它依赖的变量）
 * ============================================================ */

/* UI 当前处理函数指针（UI_global.c extern 引用） */
void (*CurrUIProcress)(DisplayTaskMessage_Type xEvent);

/* UI 公共全局变量 */
volatile uint32_t ADDRESS = FLASH_ADDR_MODE_UNIVERSAL;
uint8_t  KEY_ID_1629 = 0;
bool     StartFlag = false;
bool     InModeFlag = false;
uint8_t key_toggle[4] = {0};
/* ============================================================
 * UI 公共函数补定义
 * ============================================================ */

/* 自动关机：有操作时复位秒计数；主循环每秒递减，到 0 关机 */
void ResetAutoPowerCount(void)
{
  if (!AutoCloseFlag || AutoCloseTime == 0)
    return;
  mAutoPowerOffCount = (uint16_t)(AutoCloseTime * 60);
}

void AutoPowerOff_Scan(void)
{
  static uint32_t s_last_sec_tick = 0;
  uint32_t now;

  if (!powon || !AutoCloseFlag || AutoCloseTime == 0)
    return;

  now = rt_tick_get();
  if (s_last_sec_tick == 0)
  {
    s_last_sec_tick = now;
    return;
  }
  if ((now - s_last_sec_tick) < RT_TICK_PER_SECOND)
    return;
  s_last_sec_tick = now;

  if (mAutoPowerOffCount > 0)
    mAutoPowerOffCount--;

  if (mAutoPowerOffCount == 0)
  {
    LOG_I("PWR", "auto power_off idle=%umin", (unsigned)AutoCloseTime);
    PowerOff();
  }
}

/* GUI 数值调整（简单实现：更新当前值） */
uint8_t GUI_Item_AjustValue(GUI_SWITCH * Group, int8_t Dir)
{
  uint8_t ret= 0;
  if (Dir > 0) {
    if (Group->Current < Group->Max) {
      Group->Current++;
      ret = 1;
    }
  } else if (Dir < 0) {
    if (Group->Current > Group->Min) {
      Group->Current--;
      ret = 1;
    }
  }
  return ret;
}

void GUI_Item_AjustLoopValue(GUI_SWITCH * Group, int8_t Dir)
{
  if (Dir > 0) {
    if (Group->Current < Group->Max) {
      Group->Current++;
    } else {
      Group->Current = Group->Min;
    }
  } else if (Dir < 0) {
    if (Group->Current > Group->Min) {
      Group->Current--;
    } else {
      Group->Current = Group->Max;
    }
  }
}
void Send_volume(uint8_t vol)
{
  uint8_t mMasterSysExVolume[12] = { 0xF0, 0x41, 0x00, 0x42, 0x12, 0x40, 0x00, 0x04, 0x00, 0x00, 0x00,0xF7};
  memset(mMasterSysExVolume+8,vol,1);
  SendMidiDataToDreamDSP(mMasterSysExVolume,12);
}

void Accomp_UpdatePlayingChord(void)
{
  uint8_t midi_note_buff[4] = {0,};
  uint8_t note_cnt = 0;
  uint8_t i;

  if (!StartFlag)
    return;
  if (KEY_ID_1629 == 0 || KEY_ID_1629 == 22 || KEY_ID_1629 == 23)
    return;

  note_cnt = GetChordNotesByType(KEY_ID_1629,
                                 chord_type_index_map[KEY_ID_1629].type,
                                 midi_note_buff);
  for (i = 0; i < note_cnt; i++)
    AutoBandTop1_Note_On(midi_note_buff[i], 0x50);
}

void ADC_IN1_KEY_Handle(uint8_t key,bool on)
{
  uint8_t midi_note_buff[4] = {0,};
  uint8_t note_cnt = 0;
  uint8_t is_preamble = 0;
  key_toggle[key] = !key_toggle[key];
  if(key_toggle[key] == 1)
  {
      //ResetAutoPowerCount();
      switch(key)
      {
          case 3: AutoBandTop1_Preamble(0);  is_preamble = 1; break;
          case 0: AutoBandTop1_Preamble(1);  is_preamble = 1; break;
          case 1: AutoBandTop1_Postamble(0); break;
          case 2: AutoBandTop1_Postamble(1); break;
      }
      //AutoBandTop1_Start();
      AutoBandTop1_SyncStart();
      wk_delay_ms(50);
      /* 音师：前奏起始 = 当前调一级和弦第一把位（index 1 + maj，再经移调） */
      if (is_preamble)
      {
          KEY_ID_1629 = 1;
          chord_type_index_map[1].type = 0;
      }
      note_cnt = GetChordNotesByType(KEY_ID_1629,chord_type_index_map[KEY_ID_1629].type,midi_note_buff);
      for(uint8_t i = 0;i < note_cnt;i++)
      {  
        AutoBandTop1_Note_On(midi_note_buff[i],0x50);
      }
  }
  else
  {  
      Stop_AutoBand();
      //StartFlag = 0;
      //tick_ever_positive = false;
      for(uint8_t i = 0;i < 4;i++) key_toggle[i] = 0;
  }
}


void TM1617_Handle(uint8_t key)
{
   if(mGuiData[GUI_TAB_INDEX].Current == 3)
  {
      uint8_t value = 0;
      switch(key)
      {
          case 0: value = 0;  break;
          case 1: value = 1;  break;
          case 2: value = 2;  break;
          case 3: value = 3;  break;
      }
      mGuiData[GUI_PLAY_SECTION].Current = value;
      //AutoBandTop1_SetRunVar(mGuiData[GUI_PLAY_SECTION].Current);
      //Refresh_SectionSelect(last_value, &UI_Label[GUI_PLAY_SECTION], &mGuiData[GUI_PLAY_SECTION]);
      //Draw_Tab_Section_Menu(&UI_Label[GUI_PLAY_SECTION], mGuiData[GUI_PLAY_SECTION].Current);
  }else
  {
    switch(key)
    {    
        case 0: MainTask_Sendmsg(MSG_ID_TOUCH, 1, 40,  255);  break;
        case 1: MainTask_Sendmsg(MSG_ID_TOUCH, 1, 90,  255);  break;
        case 2: MainTask_Sendmsg(MSG_ID_TOUCH, 1, 140, 255);  break;
        case 3: MainTask_Sendmsg(MSG_ID_TOUCH, 1, 200, 255);  break;
    }
  }
}


void Tap_to_Speed()
{
  #define TAP_MIN_BPM       40       // 鏈€灏忛€熷害
  #define TAP_MAX_BPM       260      // 鏈€澶ч€熷害
  #define TAP_TIMEOUT_MS    1000     // 2绉掓病鏁插氨澶嶄綅
  
  static int32_t tap_last_time = 0;       // 涓婃鎸夐敭鏃堕棿
  static uint8_t  tap_state = 0;            // 0=绌洪棽  1=宸叉暡涓€娆?
  static uint16_t ui_tap_tempo = 120;       // 鏈€缁堥€熷害 40~260

  uint32_t now = rt_tick_get();
  if (now - tap_last_time > TAP_TIMEOUT_MS) {
        tap_state = 0;
  }
  if (tap_state == 0) {
        tap_last_time = now;
        tap_state = 1;
        uint8_t AllNoteOff_buff[3] = {0x99,0x3C,0x50};
        SendMidiDataToDreamDSP(AllNoteOff_buff,sizeof(AllNoteOff_buff));
  }
  else {
        uint32_t delta = now - tap_last_time;
        if (delta >= 200 && delta <= 1500)
        {
          ui_tap_tempo = 60000 / delta;
          if (ui_tap_tempo < TAP_MIN_BPM) ui_tap_tempo = TAP_MIN_BPM;
          if (ui_tap_tempo > TAP_MAX_BPM) ui_tap_tempo = TAP_MAX_BPM;
          MainTask_Sendmsg(MSG_ID_TAP_SPEED, ui_tap_tempo, 0, 0);
          uint8_t AllNoteOff_buff[3] = {0x99,0x3C,0x50};
          SendMidiDataToDreamDSP(AllNoteOff_buff,sizeof(AllNoteOff_buff));
        }
        tap_state = 0;
  }
}


void Stop_AutoBand()
{  
  AutoBandTop1_Stop();
  for(uint8_t i = 0;i < 16;i++)
  {
    uint8_t AllNoteOff_buff[3]    = {0xB0,0x7B,0x00};
    SendMidiDataToDreamDSP(AllNoteOff_buff,sizeof(AllNoteOff_buff));
    uint8_t AllControlOff_buff[3] = {0xB0,0x79,0x00};
    SendMidiDataToDreamDSP(AllControlOff_buff,sizeof(AllControlOff_buff));
  }
  StartFlag = 0;
  //tick_ever_positive = false;
  for(uint8_t i = 0;i < 4;i++) key_toggle[i] = 0;
}



uint8_t BP_Transpose(uint8_t key_idx)
{ 
  if(pick_hold_up)
  {  
      /* 快速移调模式：按键只用于选择移调值，不切换和弦指型 */
      uint8_t new_trans = 15;
      switch(key_idx)
      {
        case 2:  new_trans = 0;  break;
        case 3:  new_trans = 1;  break;
        case 5:  new_trans = 2;  break;
        case 6:  new_trans = 3;  break;
        case 8:  new_trans = 4;  break;
        case 9:  new_trans = 5;  break;
        case 11: new_trans = 5;  break;
        case 12: new_trans = 6;  break;
        case 14: new_trans = 7;  break;
        case 15: new_trans = 8;  break;
        case 17: new_trans = 9;  break;
        case 18: new_trans = 10; break;
        case 20: new_trans = 11; break;
      }
      if(new_trans != 15)
      {
         MainTask_Sendmsg(MSG_ID_BP_TRANSPOSE, new_trans, 0, 0);
         return 1;
      } 
  }
  return 0;
}


void TM1629_Handle(uint8_t key)
{
  STRING_MIDI *MIDI;
  const STRING_MIDI *ORGAN_MIDI;
  static uint8_t Last_Tm1926D_Key = 0;
  if(BP_Transpose(key))  return;

  switch(key)
  {
    case 0:  
        PressFlag = 0;
        if(/*StartFlag &&*/ mGuiData[GUI_TAB_INDEX].Current == 0)
        {
                //StartFlag = 0;
                //tick_ever_positive = false;
                //osTimerStart(Delay_stop_timer,1000);
                rt_timer_start(OutTime_Stop_timer);
        } 
    break;
    case 22:Tap_to_Speed();   break;
    case 23:Stop_AutoBand();  break;
    default: // 1 - 21 
      if (key >= 1 && key <= 21) 
      {
        if(mGuiData[GUI_TAB_INDEX].Current == 0)
        {
                PressFlag = 1;
                rt_timer_stop(OutTime_Stop_timer);
                //osTimerStop(Delay_stop_timer);
        }
        uint8_t group = (key - 1) / 3;          /* 1~3→0, 4~6→1, ..., 19~21→6 */
        KEY_ID_1629 = key;
        MIDI        = (STRING_MIDI *)Chord_Midi_Table[group];
        ORGAN_MIDI  = OrganChord_Midi_Table[group];
        
        uint8_t type = chord_type_index_map[key].type;
        switch(chord_type_index_map[key].PitchOffset)
        {
          case 1:
            USE_MIDI.Midi_1 = ORGAN_MIDI[type].Midi_1;
            USE_MIDI.Midi_2 = ORGAN_MIDI[type].Midi_2;
            USE_MIDI.Midi_3 = ORGAN_MIDI[type].Midi_3;
            USE_MIDI.Midi_4 = ORGAN_MIDI[type].Midi_4;
            USE_MIDI.Midi_5 = ORGAN_MIDI[type].Midi_5;
            USE_MIDI.Midi_6 = ORGAN_MIDI[type].Midi_6;
            break;
          case 2:
            USE_MIDI.Midi_1 = MIDI[type].Midi_1;
            USE_MIDI.Midi_2 = MIDI[type].Midi_2;
            USE_MIDI.Midi_3 = MIDI[type].Midi_3;
            USE_MIDI.Midi_4 = MIDI[type].Midi_4;
            USE_MIDI.Midi_5 = MIDI[type].Midi_5;
            USE_MIDI.Midi_6 = MIDI[type].Midi_6;
            break;  
        }
        USE_MIDI.Midi_1 += mGuiData[GUI_TRANSPOSE].Current;
        USE_MIDI.Midi_2 += mGuiData[GUI_TRANSPOSE].Current;
        USE_MIDI.Midi_3 += mGuiData[GUI_TRANSPOSE].Current;
        USE_MIDI.Midi_4 += mGuiData[GUI_TRANSPOSE].Current;
        USE_MIDI.Midi_5 += mGuiData[GUI_TRANSPOSE].Current;
        USE_MIDI.Midi_6 += mGuiData[GUI_TRANSPOSE].Current;
        
        if(mGuiData[GUI_TAB_INDEX].Current == 1 && StartFlag && Last_Tm1926D_Key != KEY_ID_1629)
        {
            uint8_t midi_note_buff[4] = {0,};
            uint8_t note_cnt = 0;
            Last_Tm1926D_Key = KEY_ID_1629;
            //AutoBandTop1_SetPiecePlayMode(1,0,480);
            //AutoBandTop1_StartWithNotes(midi_note_buff,GetChordNotesByType(KEY_ID_1629,chord_type_index_map[KEY_ID_1629].type,midi_note_buff));
            //AutoBandTop1_SetLoopMode(0,1);
            note_cnt = GetChordNotesByType(KEY_ID_1629,chord_type_index_map[KEY_ID_1629].type,midi_note_buff);
            for(uint8_t i = 0;i < note_cnt;i++)
            {
              AutoBandTop1_Note_On(midi_note_buff[i],0x50);
            }
        }  
      }
    break;  
  }  
}


void Return_Light_buff(uint8_t key_id_1629)
{
  uint8_t buff[7] = {0xF0, 0x51, 0x04, 0x01, 0x01, 0x08, 0xF7};
  switch(key_id_1629)
  {
      case 1: case 2: case 3:	buff[3] = 0x00;break;
      case 4: case 5: case 6:	buff[3] = 0x01;break;
      case 7: case 8: case 9:	buff[3] = 0x02;break;
      case 10:case 11:case 12:  buff[3] = 0x03;break;
      case 13:case 14:case 15:  buff[3] = 0x04;break;
      case 16:case 17:case 18:  buff[3] = 0x05;break;
      case 19:case 20:case 21:  buff[3] = 0x06;break;
  }
  switch(chord_type_index_map[key_id_1629].type)
  {
      case 0:buff[5] = 0; break;
      case 1:buff[5] = 8; break;
      case 2:buff[5] = 2; break;
      case 3:buff[5] = 13;break;
      case 4:buff[5] = 10;break;
      case 5:buff[5] = 31;break;
      case 6:buff[5] = 30;break;
      case 7:buff[5] = 4; break;
      case 8:buff[5] = 11;break;
  }
  if(Led == buff[3])
      USART4_SendData(buff,sizeof(buff));
}

void Pick_Handle()
{
  uint8_t midi = 0;
  uint8_t midi_note_buff[4] = {0,};
  uint8_t note_cnt = 0;
  uint8_t chord_id = KEY_ID_1629;

  /* 左手未触发和弦板（或落在拍速/停止键）时：拨片默认发当前调一级大和弦伴奏 */
  if (chord_id == 0 || chord_id == 22 || chord_id == 23)
  {
    KEY_ID_1629 = 1;
    chord_type_index_map[1].type = 0;
    chord_id = 1;
  }
  note_cnt = GetChordNotesByType(chord_id, chord_type_index_map[chord_id].type, midi_note_buff);
  Return_Light_buff(KEY_ID_1629);

  switch(mGuiData[GUI_TAB_INDEX].Current)
  {
      case 3:
        switch(mGuiData[GUI_TAB_LAST_INDEX].Current)
        {
          case 2:
            if(StartFlag == 0)//当播放了之后，拨片不再起作用
            {
                StartFlag = 1;
                AutoBandTop1_SetLoopMode(0,1);
                midi = 0x3C + mGuiData[GUI_TRANSPOSE].Current;
                AutoBandTop1_StartWithNote(midi);
                AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
            }
          break;
          case 1:
             StartFlag = 1;
             AutoBandTop1_SetPiecePlayMode(1,0,1920);
             AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
             AutoBandTop1_SetLoopMode(0,1);
          break;
          case 0:
             if(PressFlag)
             {
                 AutoBandTop1_SetLoopMode(0,1);
                 AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
             }else
             {
                 AutoBandTop1_SetPiecePlayMode(1,0,480);
                 AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
             }
             StartFlag = 1;
          break;
        }
      break;

      case 2:
          /* 普通：节奏/本地曲目均用 StartWithNote；切库后允许再次拨片起奏 */
          if (StartFlag == 0 || mGuiData[GUI_AUTOBAND_SW].Current)
          {
              StartFlag = 1;
              AutoBandTop1_Stop();
              AutoBandTop1_SetLoopMode(0,1);
              AutoBandTop1_SetRunVar(mGuiData[GUI_PLAY_SECTION].Current);
              /* 起调必须用 0x3C+移调；勿用和弦音区 MIDI（如 48），否则本地曲目起奏异常 */
              midi = 0x3C + mGuiData[GUI_TRANSPOSE].Current;
              AutoBandTop1_StartWithNote(midi);
              AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
              if (mGuiData[GUI_AUTOBAND_SW].Current)
                  LOG_I("pick", "local/normal root=%u name=%s", midi,
                        AutoBandTop1_GetPresetName() ? AutoBandTop1_GetPresetName() : "?");
          }
      break;

      case 1:
         StartFlag = 1;
         if (mGuiData[GUI_AUTOBAND_SW].Current)
         {
             /* 本地曲目：与普通模式同一套起奏（0x3C 根音 + 和弦音） */
             AutoBandTop1_Stop();
             AutoBandTop1_SetLoopMode(0,1);
             AutoBandTop1_SetRunVar(mGuiData[GUI_PLAY_SECTION].Current);
             midi = 0x3C + mGuiData[GUI_TRANSPOSE].Current;
             AutoBandTop1_StartWithNote(midi);
             AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
             LOG_I("pick", "local/expert root=%u name=%s sw=%u tab=%u",
                   midi,
                   AutoBandTop1_GetPresetName() ? AutoBandTop1_GetPresetName() : "?",
                   (unsigned)mGuiData[GUI_AUTOBAND_SW].Current,
                   (unsigned)mGuiData[GUI_TAB_INDEX].Current);
         }
         else
         {
             AutoBandTop1_SetPiecePlayMode(1,0,1920);
             AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
             AutoBandTop1_SetLoopMode(0,1);
             LOG_I("pick", "expert/rhythm piece name=%s",
                   AutoBandTop1_GetPresetName() ? AutoBandTop1_GetPresetName() : "?");
         }
      break;
      case 0:
         StartFlag = 1;
         if(PressFlag)
         {
             AutoBandTop1_SetPiecePlayMode(1,0,480);
             AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
             AutoBandTop1_SetLoopMode(0,1);
         }else
         {
             AutoBandTop1_SetPiecePlayMode(1,0,480);
             AutoBandTop1_StartWithNotes(midi_note_buff, note_cnt);
         }
      break;
    }
}


void Loop_Light_Handle(uint8_t measure)
{
  switch(ParamGuiData[ALL_MODE_PARAM].Current)
  {
      case 0:
        switch(measure)
        {
            case 1:app_tm1629_set_led(LED_L1, LED_COLOR_R);break;
            case 2:app_tm1629_set_led(LED_L6, LED_COLOR_R);break;
            case 3:app_tm1629_set_led(LED_L4, LED_COLOR_R);break;
            case 4:app_tm1629_set_led(LED_L5, LED_COLOR_R);break;
        }
      break;
      case 1:
        switch(measure)
        {
            case 1:app_tm1629_set_led(LED_L1, LED_COLOR_R);break;
            case 2:app_tm1629_set_led(LED_L5, LED_COLOR_R);break;
            case 3:app_tm1629_set_led(LED_L6, LED_COLOR_R);break;
            case 4:app_tm1629_set_led(LED_L4, LED_COLOR_R);break;
        }
      break;
      case 2:
      switch(measure)
        {    
            case 1:app_tm1629_set_led(LED_L1, LED_COLOR_R);break;
            case 2:app_tm1629_set_led(LED_L3, LED_COLOR_R);break;
            case 3:app_tm1629_set_led(LED_L6, LED_COLOR_R);break;
            case 4:app_tm1629_set_led(LED_L4, LED_COLOR_R);break;
        }
      break;
  }
}

void BL_Set_led(uint8_t led, uint8_t chord_type)
{
  uint8_t chord_offset;
  Led = led;
  switch(chord_type){
      case 0x00:
          chord_offset = 0;
      break;
      case 0x08:
          chord_offset = 1;
      break;
      case 0x02:
          chord_offset = 4;
      break;
      case 0x13:
          chord_offset = 3;
      break;
      case 0x0A: //A
          chord_offset = 2;
      break;
      case 0x1F: //1F
          chord_offset = 7;
      break;
      case 0x1E: //1E
          chord_offset = 8;
      break;
      case 0x04:
          chord_offset = 5;
      break;
      case 0x0B: //B
          chord_offset = 6;
      break;
  }
  
  switch(led){
    case LED_L1:
        app_tm1629_set_led(LED_L1, LED_COLOR_R);
        chord_type_index_map[2].type = chord_offset;
        break;
    case LED_L2:
        app_tm1629_set_led(LED_L2, LED_COLOR_G);
        chord_type_index_map[5].type = chord_offset;
        break;
    case LED_L3:
        app_tm1629_set_led(LED_L3, LED_COLOR_B);
        chord_type_index_map[8].type = chord_offset;
        break;
    case LED_L4:
        app_tm1629_set_led(LED_L4, LED_COLOR_YELL);
        chord_type_index_map[11].type = chord_offset;
        break;
    case LED_L5:
        app_tm1629_set_led(LED_L5, LED_COLOR_PURP);
        chord_type_index_map[14].type = chord_offset;
        break;
    case LED_L6:
        app_tm1629_set_led(LED_L6, LED_COLOR_CYA);
        chord_type_index_map[17].type = chord_offset;
        break;
    case LED_L7:
        app_tm1629_set_led(LED_L7, LED_COLOR_WHITE);
        chord_type_index_map[20].type = chord_offset;
        break;
    default:
        // 鏈煡鐏彿锛屽叏閮ㄥ叧闂?
        app_tm1629_all_off();
        break;
  }
}

void BT_Pitch_offset_map(uint8_t pos_offset,uint8_t pitch_offset)
{
//char Info[10];
//sprintf (Info, "%d %d", pos_offset,pitch_offset);
//LCD_ShowString(2, 156+16, (const uint8_t*)Info, RED, WHITE, 16, 0);
  chord_type_index_map[pos_offset].PitchOffset = pitch_offset;
}

void BT_Chord_offset_map(uint8_t pos_offset,uint8_t chord_offset)
{
  //char Info[20];
  STRING_MIDI *MIDI;
  const STRING_MIDI *ORGAN_MIDI;
  
  uint8_t group = (pos_offset - 1) / 3;          /* 1~3→0, 4~6→1, ..., 19~21→6 */
  uint8_t chord_APP_Local_offset = 0;
  
  switch(chord_offset){
      case 0x00:
              chord_APP_Local_offset = 0;
      break;
      case 0x08:
              chord_APP_Local_offset = 1;
      break;
      case 0x02:
              chord_APP_Local_offset = 4;
      break;
      case 0x13:
              chord_APP_Local_offset = 3;
      break;
      case 0x0A: //A
              chord_APP_Local_offset = 2;
      break;
      case 0x1F: //1F
              chord_APP_Local_offset = 7;
      break;
      case 0x1E: //1E
              chord_APP_Local_offset = 8;
      break;
      case 0x04:
              chord_APP_Local_offset = 5;
      break;
      case 0x0B: //B
              chord_APP_Local_offset = 6;
      break;
  }
  
//sprintf (Info, "%d %d %d %d", chord_offset,chord_APP_Local_offset,pos_offset,chord_type_index_map[pos_offset].PitchOffset);
//LCD_ShowString(2, 176+16, (const uint8_t*)Info, RED, WHITE, 16, 0);
  chord_type_index_map[pos_offset].type = chord_APP_Local_offset;
  
  MIDI          = (STRING_MIDI *)Chord_Midi_Table[group];
  ORGAN_MIDI    = OrganChord_Midi_Table[group];
  
  switch(chord_type_index_map[pos_offset].PitchOffset){
    case 1:
        MIDI->Midi_1 = ORGAN_MIDI->Midi_1;
        MIDI->Midi_2 = ORGAN_MIDI->Midi_2;
        MIDI->Midi_3 = ORGAN_MIDI->Midi_3;
        MIDI->Midi_4 = ORGAN_MIDI->Midi_4;
        MIDI->Midi_5 = ORGAN_MIDI->Midi_5;
        MIDI->Midi_6 = ORGAN_MIDI->Midi_6;
    break;
    case 2:
        MIDI->Midi_1 = ORGAN_MIDI->Midi_1 + 1;
        MIDI->Midi_2 = ORGAN_MIDI->Midi_2 + 1;
        MIDI->Midi_3 = ORGAN_MIDI->Midi_3 + 1;
        MIDI->Midi_4 = ORGAN_MIDI->Midi_4 + 1;
        MIDI->Midi_5 = ORGAN_MIDI->Midi_5 + 1;
        MIDI->Midi_6 = ORGAN_MIDI->Midi_6 + 1;
    break;
  }
}


uint8_t GetChordNotesByType(uint8_t MIDI_Index,uint8_t type,uint8_t *buff)
{
	uint8_t n = 0;
	uint8_t i;
	uint8_t root;

	buff[0] = buff[1] = buff[2] = buff[3] = 0;
	switch(MIDI_Index)
	{
          case 1:case 2:case 3:
          switch(type)
          {
                  case 0:
                          buff[0] = 48;buff[1] = 52;buff[2] = 55;
                          break;
                  case 1:
                          buff[0] = 48;buff[1] = 51;buff[2] = 55;
                          break;
                  case 2:
                          buff[0] = 48;buff[1] = 51;buff[2] = 55;buff[3] = 58;
                          break;
                  case 3:
                          buff[0] = 48;buff[1] = 52;buff[2] = 55;buff[3] = 58;
                          break;
                  case 4:
                          buff[0] = 48;buff[1] = 52;buff[2] = 55;buff[3] = 59;
                          break;
                  case 5:
                          buff[0] = 48;buff[1] = 52;buff[2] = 55;buff[3] = 62;
                          break;
                  case 6:
                          buff[0] = 48;buff[1] = 51;buff[2] = 54;buff[3] = 58;
                          break;
                  case 7:
                          buff[0] = 48;buff[1] = 50;buff[2] = 55;
                          break;
                  case 8:
                          buff[0] = 48;buff[1] = 53;buff[2] = 55;
                          break;
          }
          break;
          case 4:case 5:case 6:
          switch(type)
          {
                  case 0:
                          buff[0] = 50;buff[1] = 54;buff[2] = 57;
                          break;
                  case 1:
                          buff[0] = 50;buff[1] = 53;buff[2] = 57;
                          break;
                  case 2:
                          buff[0] = 50;buff[1] = 53;buff[2] = 57;buff[3] = 60;
                          break;
                  case 3:
                          buff[0] = 50;buff[1] = 54;buff[2] = 57;buff[3] = 60;
                          break;
                  case 4:
                          buff[0] = 50;buff[1] = 54;buff[2] = 57;buff[3] = 61;
                          break;
                  case 5:
                          buff[0] = 50;buff[1] = 54;buff[2] = 57;buff[3] = 64;
                          break;
                  case 6:
                          buff[0] = 50;buff[1] = 53;buff[2] = 56;buff[3] = 60;
                          break;
                  case 7:
                          buff[0] = 50;buff[1] = 52;buff[2] = 57;
                          break;
                  case 8:
                          buff[0] = 50;buff[1] = 55;buff[2] = 57;
                          break;
          }
          break;
          case 7:case 8:case 9:
          switch(type)
          {
                  case 0:
                          buff[0] = 52;buff[1] = 56;buff[2] = 59;
                          break;
                  case 1:
                          buff[0] = 52;buff[1] = 55;buff[2] = 59;
                          break;
                  case 2:
                          buff[0] = 52;buff[1] = 55;buff[2] = 59;buff[3] = 62;
                          break;
                  case 3:
                          buff[0] = 52;buff[1] = 56;buff[2] = 59;buff[3] = 62;
                          break;
                  case 4:
                          buff[0] = 52;buff[1] = 56;buff[2] = 59;buff[3] = 63;
                          break;
                  case 5:
                          buff[0] = 52;buff[1] = 56;buff[2] = 59;buff[3] = 66;
                          break;
                  case 6:
                          buff[0] = 52;buff[1] = 55;buff[2] = 58;buff[3] = 62;
                          break;
                  case 7:
                          buff[0] = 52;buff[1] = 54;buff[2] = 59;
                          break;
                  case 8:
                          buff[0] = 52;buff[1] = 57;buff[2] = 59;
                          break;
          }
          break;
          case 10:case 11:case 12:
          switch(type)
          {
                  case 0:
                          buff[0] = 53;buff[1] = 57;buff[2] = 60;
                          break;
                  case 1:
                          buff[0] = 53;buff[1] = 56;buff[2] = 60;
                          break;
                  case 2:
                          buff[0] = 53;buff[1] = 56;buff[2] = 60;buff[3] = 63;
                          break;
                  case 3:
                          buff[0] = 53;buff[1] = 57;buff[2] = 60;buff[3] = 63;
                          break;
                  case 4:
                          buff[0] = 53;buff[1] = 57;buff[2] = 60;buff[3] = 64;
                          break;
                  case 5:
                          buff[0] = 53;buff[1] = 57;buff[2] = 60;buff[3] = 67;
                          break;
                  case 6:
                          buff[0] = 53;buff[1] = 56;buff[2] = 59;buff[3] = 63;
                          break;
                  case 7:
                          buff[0] = 53;buff[1] = 55;buff[2] = 60;
                          break;
                  case 8:
                          buff[0] = 53;buff[1] = 58;buff[2] = 60;
                          break;
          }
          break;
          case 13:case 14:case 15:
          switch(type)
          {
                  case 0:
                          buff[0] = 43;buff[1] = 47;buff[2] = 50;
                          break;
                  case 1:
                          buff[0] = 43;buff[1] = 46;buff[2] = 50;
                          break;
                  case 2:
                          buff[0] = 43;buff[1] = 46;buff[2] = 50;buff[3] = 53;
                          break;
                  case 3:
                          buff[0] = 43;buff[1] = 47;buff[2] = 50;buff[3] = 53;
                          break;
                  case 4:
                          buff[0] = 43;buff[1] = 47;buff[2] = 50;buff[3] = 54;
                          break;
                  case 5:
                          buff[0] = 43;buff[1] = 47;buff[2] = 50;buff[3] = 57;
                          break;
                  case 6:
                          buff[0] = 43;buff[1] = 46;buff[2] = 49;buff[3] = 53;
                          break;
                  case 7:
                          buff[0] = 43;buff[1] = 45;buff[2] = 50;
                          break;
                  case 8:
                          buff[0] = 43;buff[1] = 48;buff[2] = 50;
                          break;
          }
          break;
          case 16:case 17:case 18:
          switch(type)
          {
              case 0:
                  buff[0] = 45;buff[1] = 49;buff[2] = 52;
                  break;
              case 1:
                  buff[0] = 45;buff[1] = 48;buff[2] = 52;
                  break;
              case 2:
                  buff[0] = 45;buff[1] = 48;buff[2] = 52;buff[3] = 55;
                  break;
              case 3:
                  buff[0] = 45;buff[1] = 49;buff[2] = 52;buff[3] = 55;
                  break;
              case 4:
                  buff[0] = 45;buff[1] = 49;buff[2] = 52;buff[3] = 56;
                  break;
              case 5:
                  buff[0] = 45;buff[1] = 49;buff[2] = 52;buff[3] = 59;
                  break;
              case 6:
                  buff[0] = 45;buff[1] = 48;buff[2] = 51;buff[3] = 55;
                  break;
              case 7:
                  buff[0] = 45;buff[1] = 47;buff[2] = 52;
                  break;
              case 8:
                  buff[0] = 45;buff[1] = 50;buff[2] = 52;
                  break;
          }
          break;
          case 19:case 20:case 21:
          switch(type)
          {
              case 0:
                  buff[0] = 47;buff[1] = 51;buff[2] = 53;
                  break;
              case 1:
                  buff[0] = 47;buff[1] = 50;buff[2] = 54;
                  break;
              case 2:
                  buff[0] = 47;buff[1] = 50;buff[2] = 54;buff[3] = 57;
                  break;
              case 3:
                  buff[0] = 47;buff[1] = 50;buff[2] = 53;buff[3] = 57;
                  break;
              case 4:
                  buff[0] = 47;buff[1] = 51;buff[2] = 53;buff[3] = 57;
                  break;
              case 5:
                  buff[0] = 47;buff[1] = 51;buff[2] = 54;buff[3] = 58;
                  break;
              case 6:
                  buff[0] = 47;buff[1] = 51;buff[2] = 54;buff[3] = 60;
                  break;
              case 7:
                  buff[0] = 47;buff[1] = 49;buff[2] = 54;
                  break;
              case 8:
                  buff[0] = 47;buff[1] = 52;buff[2] = 54;
                  break;
              case 9:
                  buff[0] = 47;buff[1] = 50;buff[2] = 53;
                  break;
          }
          break;
          default:
                  return 0;
	}

	n = (buff[3] != 0) ? 4 : 3;
	switch (chord_type_index_map[MIDI_Index].PitchOffset)
	{
		case 2: /* # 升：整体 +1 半音 */
			for (i = 0; i < n; i++)
				buff[i] += 1;
			break;
		default:
			break;
	}
	for (i = 0; i < n; i++)
		buff[i] += mGuiData[GUI_TRANSPOSE].Current;

	/* 音师：仅所有调的 #四级（键 10~12 + 升）— 整组低八度，音域压在一个八度内
	 * 最低音 = #IV，最高音 ≤ 自然 IV。勿对六级等其它升号和弦套用。 */
	if (MIDI_Index >= 10 && MIDI_Index <= 12 &&
	    chord_type_index_map[MIDI_Index].PitchOffset == 2)
	{
		for (i = 0; i < n; i++)
		{
			if (buff[i] >= 12)
				buff[i] -= 12;
		}
		root = buff[0];
		for (i = 1; i < n; i++)
		{
			while (buff[i] >= (uint8_t)(root + 12))
				buff[i] -= 12;
			while (buff[i] < root)
				buff[i] += 12;
		}
	}
	return n;
}

void Read_Cur_Measure()
{
  uint32_t now = rt_tick_get();
  static uint32_t last_tick_i = 0;
  uint8_t tab = (uint8_t)mGuiData[GUI_TAB_INDEX].Current;
  uint8_t last = (uint8_t)mGuiData[GUI_TAB_LAST_INDEX].Current;
  /* 普通(2)与万能(0)均按「和弦走向」同步亮灯；设置页(3)沿用进入前模式 */
  uint8_t loop_light_ok =
      (tab == 0 || tab == 2) ||
      (tab == 3 && (last == 0 || last == 2));

  if (loop_light_ok && StartFlag)
  {
     if(now - last_tick_i >= 10)
     {
         last_tick_i = now;
         uint8_t Measure = AutoBandTop1_GetCurrentRunMeasure();
         MainTask_Sendmsg(MSG_ID_LOOP_LIGHT, Measure, 0, 0);
     }
  }
}