Merge upstream dev into keymindCascade

src/MeshCore.h

@@ -251,6 +251,9 @@ public:
     return false;
   }
 
+  // Let a board feed its watchdog and perform periodic housekeeping.
+  virtual void loop() {}
+
   inline static uint32_t n_cad_busy = 0;
 };
 

src/helpers/ClientACL.h

@@ -40,6 +40,14 @@ struct ClientInfo {
       unsigned long ack_timeout;
       uint8_t  push_failures;
     } room;
+    struct {
+      uint32_t expiry_timestamp;  // epoch seconds
+      uint32_t push_tag;
+      uint16_t scope_region_id;  // scope to use when sending telemetry to this client/subscriber
+      uint8_t  min_deltas_len;
+      uint8_t  min_deltas[14];  // LPP encoded
+      uint8_t  prev_telem[14];  // LPP encoded
+    } sensor;
   } extra;
   
   bool isAdmin() const { return (permissions & PERM_ACL_ROLE_MASK) == PERM_ACL_ADMIN; }

src/helpers/CommonCLI.h

@@ -300,8 +300,8 @@ private:
     void setTxPower(int8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
     float getRxDelay() const override { return _parent->rx_delay_base; }
     void setRxDelay(float d) override { _parent->rx_delay_base = d; markDirty(); }
-    uint8_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
-    void setAgcResetInt(uint8_t secs) override { _parent->agc_reset_interval = secs / 4; markDirty(); }
+    uint16_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
+    void setAgcResetInt(uint16_t secs) override { _parent->agc_reset_interval = secs / 4; markDirty(); }
     uint8_t getHashMode() const override { return _parent->path_hash_mode; }
     void setHashMode(uint8_t m) override { _parent->path_hash_mode = m; markDirty(); }
     uint8_t getMultiAcks() const override { return _parent->multi_acks; }

src/helpers/CommonRadioPrefs.h

@@ -41,8 +41,8 @@ public:
   virtual float getRxDelay() const = 0;
   virtual void setRxDelay(float d) = 0;
 
-  virtual uint8_t getAgcResetInt() const = 0;
-  virtual void setAgcResetInt(uint8_t secs) = 0;
+  virtual uint16_t getAgcResetInt() const = 0;
+  virtual void setAgcResetInt(uint16_t secs) = 0;
 
   virtual uint8_t getHashMode() const = 0;
   virtual void setHashMode(uint8_t m) = 0;

src/helpers/TxtDataHelpers.cpp

@@ -43,8 +43,13 @@ bool StrHelper::isBlank(const char* str) {
 }
 
 #include <Arduino.h>
+#include <stdio.h>
+#if __has_include(<api/itoa.h>)
+// https://github.com/stm32duino/Arduino_Core_STM32/issues/3084
+#include <api/itoa.h>
+#endif
 
-union int32_Float_t 
+union int32_Float_t
 {
   int32_t Long;
   float Float;
@@ -116,7 +121,7 @@ static void _ftoa(float f, char *p, int *status)
       *p++ = '-';
   if (int_part == 0)
     *p++ = '0';
-  else 
+  else
   {
 #if defined(STM32_PLATFORM)
     // STM32 Arduino exposes utoa, but recent cores no longer declare ltoa.

src/helpers/radiolib/CustomLR1121.h

@@ -0,0 +1,105 @@
+#pragma once
+
+#include <RadioLib.h>
+#include "MeshCore.h"
+
+class CustomLR1121 : public LR1121 {
+  uint32_t _preambleMillis = 66;
+  uint32_t _maxPayloadMillis = 3934;
+  uint32_t _activityAt = 0;
+  bool _headerSeen = false;
+  bool _rx_boosted = false;
+
+  public:
+    CustomLR1121(Module *mod) : LR1121(mod) { }
+
+    int16_t begin(float freq = 434.0, float bw = 125.0, uint8_t sf = 9, uint8_t cr = 7,
+                  uint8_t syncWord = RADIOLIB_LR11X0_LORA_SYNC_WORD_PRIVATE, int8_t power = 10,
+                  uint16_t preambleLength = 8, float tcxoVoltage = 1.6) {
+      int16_t state = LR1121::begin(freq, bw, sf, cr, syncWord, power, preambleLength,
+                                    tcxoVoltage);
+      // RadioLib begin() defaults to LDO; use the LR1121 DC/DC regulator.
+      if (state == RADIOLIB_ERR_NONE) state = setRegulatorDCDC();
+      return state;
+    }
+
+    size_t getPacketLength(bool update) override {
+      size_t len = LR1121::getPacketLength(update);
+      if (len == 0 && getIrqStatus() & RADIOLIB_LR11X0_IRQ_HEADER_ERR) {
+        // we've just received a corrupted packet
+        // this may have triggered a bug causing subsequent packets to be shifted
+        // call standby() to return radio to known-good state
+        // recvRaw will call startReceive() to restart rx
+        MESH_DEBUG_PRINTLN("LR1121: got header err, calling standby()");
+        standby();
+      }
+      return len;
+    }
+
+    float getFreqMHz() const { return freqMHz; }
+
+    int16_t setRxBoostedGainMode(bool en) {
+      _rx_boosted = en;
+      return LR1121::setRxBoostedGainMode(en);
+    }
+
+    bool getRxBoostedGainMode() const { return _rx_boosted; }
+
+    int16_t startReceive() override {
+      // include the PREAMBLE_DETECTED irq bit in reported flags.
+      return LR1121::startReceive(RADIOLIB_LR11X0_RX_TIMEOUT_INF, RADIOLIB_IRQ_RX_DEFAULT_FLAGS | (1UL << RADIOLIB_IRQ_PREAMBLE_DETECTED), RADIOLIB_IRQ_RX_DEFAULT_MASK, 0);
+    }
+
+    bool isReceiving() {
+      uint32_t irq = getIrqStatus();
+      bool preamble = irq & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED;      // bit 4
+      bool header   = irq & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID; // bit 5
+      bool hdrErr   = irq & RADIOLIB_LR11X0_IRQ_HEADER_ERR;             // bit 6
+      uint32_t now  = millis();
+      if (hdrErr) {
+        clearIrqState(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED | RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID | RADIOLIB_LR11X0_IRQ_HEADER_ERR);
+        _activityAt = 0;
+        _headerSeen = false;
+        return false;
+      }
+      if (!header && _headerSeen) {
+        // something cleared the header flag, reset our state.
+        _activityAt = 0; _headerSeen = false;
+        return false;
+      }
+      if (header) {
+        if (!_headerSeen) { _headerSeen = true; _activityAt = now; };
+        if (now - _activityAt > _maxPayloadMillis) {
+          MESH_DEBUG_PRINTLN("Clearing header IRQ after %ums", _maxPayloadMillis);
+          clearIrqState(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED | RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID | RADIOLIB_LR11X0_IRQ_HEADER_ERR);
+          _activityAt = 0; _headerSeen = false;
+          return false;
+        }
+        return true;
+      }
+      if (preamble) {
+        if (_activityAt == 0) _activityAt = now;
+        if (now - _activityAt > _preambleMillis) {
+          clearIrqState(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED);
+          _activityAt = 0;
+          MESH_DEBUG_PRINTLN("Clearing preamble IRQ after %ums", _preambleMillis);
+
+          return false;
+        }
+        return true;
+      }
+      _activityAt = 0; _headerSeen = false;
+      return false;
+    }
+
+    void setPreambleMillis(uint32_t preambleMillis) {
+      _preambleMillis = preambleMillis;
+      MESH_DEBUG_PRINTLN("Set _preambleMillis=%u", _preambleMillis);
+    }
+    void setMaxPayloadMillis(uint32_t payloadMillis) {
+      _maxPayloadMillis = payloadMillis;
+      MESH_DEBUG_PRINTLN("Set _maxPayloadMillis=%u", _maxPayloadMillis);
+    }
+
+    uint8_t getSpreadingFactor() const { return spreadingFactor; }
+};

src/helpers/radiolib/CustomLR1121Wrapper.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include "CustomLR1121.h"
+#include "RadioLibWrappers.h"
+#include "LR11x0Reset.h"
+
+class CustomLR1121Wrapper : public RadioLibWrapper {
+public:
+  CustomLR1121Wrapper(CustomLR1121& radio, mesh::MainBoard& board) : RadioLibWrapper(radio, board) { }
+
+  void setParams(float freq, float bw, uint8_t sf, uint8_t cr) override {
+    ((CustomLR1121 *)_radio)->setFrequency(freq);
+    ((CustomLR1121 *)_radio)->setSpreadingFactor(sf);
+    ((CustomLR1121 *)_radio)->setBandwidth(bw);
+    ((CustomLR1121 *)_radio)->setCodingRate(cr);
+    updatePreamble(sf);
+    PacketMillis pm = calcMaxPacketMillis(sf, bw, cr, preambleLengthForSF(sf));
+    ((CustomLR1121 *)_radio)->setPreambleMillis(pm.preambleMillis);
+    ((CustomLR1121 *)_radio)->setMaxPayloadMillis(pm.payloadMillis);
+  }
+
+  void doResetAGC() override { lr11x0ResetAGC((LR11x0 *)_radio, ((CustomLR1121 *)_radio)->getFreqMHz(), getRxBoostedGainMode()); }
+  bool isReceivingPacket() override {
+    return ((CustomLR1121 *)_radio)->isReceiving();
+  }
+  float getCurrentRSSI() override {
+    float rssi = -110;
+    ((CustomLR1121 *)_radio)->getRssiInst(&rssi);
+    return rssi;
+  }
+
+  void onSendFinished() override {
+    RadioLibWrapper::onSendFinished();
+    _radio->setPreambleLength(preambleLengthForSF(getSpreadingFactor())); // overcomes weird issues with small and big pkts
+  }
+
+  uint32_t getEstAirtimeFor(int len_bytes) override {
+    auto airtime = RadioLibWrapper::getEstAirtimeFor(len_bytes);
+    return airtime < 200 ? 200 : airtime;   // at least 200 millis
+  }
+
+  float getLastRSSI() const override { return ((CustomLR1121 *)_radio)->getRSSI(); }
+  float getLastSNR() const override { return ((CustomLR1121 *)_radio)->getSNR(); }
+
+  uint8_t getSpreadingFactor() const override { return ((CustomLR1121 *)_radio)->getSpreadingFactor(); }
+
+  bool setRxBoostedGainMode(bool en) override {
+    return ((CustomLR1121 *)_radio)->setRxBoostedGainMode(en) == RADIOLIB_ERR_NONE;
+  }
+  bool getRxBoostedGainMode() const override {
+    return ((CustomLR1121 *)_radio)->getRxBoostedGainMode();
+  }
+};

src/helpers/sensors/LPPDataHelpers.h

@@ -63,12 +63,66 @@
 #define LPP_ERROR_OVERFLOW 1
 #define LPP_ERROR_UNKOWN_TYPE 2
 
-class LPPReader {
-  const uint8_t* _buf;
-  uint8_t _len;
-  uint8_t _pos;
+class LPPData {
+public:
+  static uint8_t getDataSize(uint8_t type) {
+    switch (type) {
+      case LPP_GPS:
+        return 9;
+      case LPP_POLYLINE:
+        return 8;  // TODO: this is MINIMIUM
+      case LPP_GYROMETER:
+      case LPP_ACCELEROMETER:
+        return 6;
+      case LPP_GENERIC_SENSOR:
+      case LPP_FREQUENCY:
+      case LPP_DISTANCE:
+      case LPP_ENERGY:
+      case LPP_UNIXTIME:
+        return 4;
+      case LPP_COLOUR:
+        return 3;
+      case LPP_ANALOG_INPUT:
+      case LPP_ANALOG_OUTPUT:
+      case LPP_LUMINOSITY:
+      case LPP_TEMPERATURE:
+      case LPP_CONCENTRATION:
+      case LPP_BAROMETRIC_PRESSURE:
+      case LPP_RELATIVE_HUMIDITY:
+      case LPP_ALTITUDE:
+      case LPP_VOLTAGE:
+      case LPP_CURRENT:
+      case LPP_DIRECTION:
+      case LPP_POWER:
+        return 2;
+    }
+    return 1;
+  }
 
-  float getFloat(const uint8_t * buffer, uint8_t size, uint32_t multiplier, bool is_signed) {
+  static uint32_t getMultiplier(uint8_t type) {
+    switch (type) {
+      case LPP_CURRENT:
+      case LPP_DISTANCE:
+      case LPP_ENERGY:
+        return 1000;
+      case LPP_VOLTAGE:
+      case LPP_ANALOG_INPUT:
+      case LPP_ANALOG_OUTPUT:
+        return 100;
+      case LPP_TEMPERATURE:
+      case LPP_BAROMETRIC_PRESSURE:
+      case LPP_RELATIVE_HUMIDITY:
+        return 10;
+    }
+    return 1;
+  }
+
+  static bool isSigned(uint8_t type) {
+    return type == LPP_ALTITUDE || type == LPP_TEMPERATURE || type == LPP_GYROMETER ||
+        type == LPP_ANALOG_INPUT || type == LPP_ANALOG_OUTPUT || type == LPP_GPS || type == LPP_ACCELEROMETER;
+  }
+
+  static float getFloat(const uint8_t * buffer, uint8_t size, uint32_t multiplier, bool is_signed) {
     uint32_t value = 0;
     for (uint8_t i = 0; i < size; i++) {
       value = (value << 8) + buffer[i];
@@ -85,6 +139,36 @@ class LPPReader {
     return sign * ((float) value / multiplier);
   }
 
+  static uint8_t putFloat(uint8_t * dest, float value, uint8_t size, uint32_t multiplier, bool is_signed) {
+    // check sign
+    bool sign = value < 0;
+    if (sign) value = -value;
+
+    // get value to store
+    uint32_t v = value * multiplier;
+
+    // format an uint32_t as if it was an int32_t
+    if (is_signed & sign) {
+      uint32_t mask = (1 << (size * 8)) - 1;
+      v = v & mask;
+      if (sign) v = mask - v + 1;
+    }
+
+    // add bytes (MSB first)
+    for (uint8_t i=1; i<=size; i++) {
+      dest[size - i] = (v & 0xFF);
+      v >>= 8;
+    }
+    return size;
+  }
+
+};
+
+class LPPReader {
+  const uint8_t* _buf;
+  uint8_t _len;
+  uint8_t _pos;
+
 public:
   LPPReader(const uint8_t buf[], uint8_t len) : _buf(buf), _len(len), _pos(0) { }
 
@@ -103,72 +187,42 @@ public:
   }
 
   bool readGPS(float& lat, float& lon, float& alt) {
-    lat = getFloat(&_buf[_pos], 3, 10000, true); _pos += 3;
-    lon = getFloat(&_buf[_pos], 3, 10000, true); _pos += 3;
-    alt = getFloat(&_buf[_pos], 3, 100, true); _pos += 3;
+    lat = LPPData::getFloat(&_buf[_pos], 3, 10000, true); _pos += 3;
+    lon = LPPData::getFloat(&_buf[_pos], 3, 10000, true); _pos += 3;
+    alt = LPPData::getFloat(&_buf[_pos], 3, 100, true); _pos += 3;
     return _pos <= _len;
   }
   bool readVoltage(float& voltage) {
-    voltage = getFloat(&_buf[_pos], 2, 100, false); _pos += 2;
+    voltage = LPPData::getFloat(&_buf[_pos], 2, 100, false); _pos += 2;
     return _pos <= _len;
   }
   bool readCurrent(float& amps) {
-    amps = getFloat(&_buf[_pos], 2, 1000, true); _pos += 2;
+    amps = LPPData::getFloat(&_buf[_pos], 2, 1000, true); _pos += 2;
     return _pos <= _len;
   }
   bool readPower(float& watts) {
-    watts = getFloat(&_buf[_pos], 2, 1, false); _pos += 2;
+    watts = LPPData::getFloat(&_buf[_pos], 2, 1, false); _pos += 2;
     return _pos <= _len;
   }
   bool readTemperature(float& degrees_c) {
-    degrees_c = getFloat(&_buf[_pos], 2, 10, true); _pos += 2;
+    degrees_c = LPPData::getFloat(&_buf[_pos], 2, 10, true); _pos += 2;
     return _pos <= _len;
   }
   bool readPressure(float& pa) {
-    pa = getFloat(&_buf[_pos], 2, 10, false); _pos += 2;
+    pa = LPPData::getFloat(&_buf[_pos], 2, 10, false); _pos += 2;
     return _pos <= _len;
   }
   bool readRelativeHumidity(float& pct) {
-    pct = getFloat(&_buf[_pos], 1, 2, false); _pos += 1;
+    pct = LPPData::getFloat(&_buf[_pos], 1, 2, false); _pos += 1;
     return _pos <= _len;
   }
   bool readAltitude(float& m) {
-    m = getFloat(&_buf[_pos], 2, 1, true); _pos += 2;
+    m = LPPData::getFloat(&_buf[_pos], 2, 1, true); _pos += 2;
     return _pos <= _len;
   }
 
   void skipData(uint8_t type) {
-    switch (type) {
-      case LPP_GPS:
-        _pos += 9; break;
-      case LPP_POLYLINE:
-        _pos += 8; break;  // TODO: this is MINIMUM
-      case LPP_GYROMETER:
-      case LPP_ACCELEROMETER:
-        _pos += 6; break;
-      case LPP_GENERIC_SENSOR:
-      case LPP_FREQUENCY:
-      case LPP_DISTANCE:
-      case LPP_ENERGY:
-      case LPP_UNIXTIME:
-        _pos += 4; break;
-      case LPP_COLOUR:
-        _pos += 3; break;
-      case LPP_ANALOG_INPUT:
-      case LPP_ANALOG_OUTPUT:
-      case LPP_LUMINOSITY:
-      case LPP_TEMPERATURE:
-      case LPP_CONCENTRATION:
-      case LPP_BAROMETRIC_PRESSURE:
-      case LPP_ALTITUDE:
-      case LPP_VOLTAGE:
-      case LPP_CURRENT:
-      case LPP_DIRECTION:
-      case LPP_POWER:
-        _pos += 2; break;
-      default:
-        _pos++;
-    }
+    _pos += LPPData::getDataSize(type);
   }
 };
 
@@ -185,6 +239,19 @@ class LPPWriter {
 public:
   LPPWriter(uint8_t buf[], uint8_t max_len): _buf(buf), _max_len(max_len), _len(0) { }
 
+  bool writeData(uint8_t channel, uint8_t type, float v) {
+    uint8_t sz = LPPData::getDataSize(type);
+    bool s = LPPData::isSigned(type);
+    uint32_t mul = LPPData::getMultiplier(type);
+    if (_len + 2 + sz <= _max_len) {
+      _buf[_len++] = channel;
+      _buf[_len++] = type;
+      _len += LPPData::putFloat(&_buf[_len], v, sz, mul, s);
+      return true;
+    }
+    return false;
+  }
+
   bool writeVoltage(uint8_t channel, float voltage) {
     if (_len + 4 <= _max_len) {
       _buf[_len++] = channel;

src/helpers/ui/SH1107Display.cpp

@@ -0,0 +1,113 @@
+#include "SH1107Display.h"
+#include <Adafruit_GrayOLED.h>
+#include "Adafruit_SH110X.h"
+
+#ifndef DISPLAY_ROTATION
+#define DISPLAY_ROTATION 0
+#endif
+
+ColorVal UIColor::window_bkg = SH110X_BLACK;
+ColorVal UIColor::title_bkg = SH110X_BLACK;
+ColorVal UIColor::title_txt = SH110X_WHITE;
+ColorVal UIColor::primary_txt = SH110X_WHITE;
+ColorVal UIColor::secondary_txt = SH110X_WHITE;
+ColorVal UIColor::warning_txt = SH110X_WHITE;
+ColorVal UIColor::popup_bkg = SH110X_BLACK;
+ColorVal UIColor::popup_txt = SH110X_WHITE;
+ColorVal UIColor::corp_blue = SH110X_WHITE;
+
+bool SH1107Display::i2c_probe(TwoWire &wire, uint8_t addr)
+{
+  wire.beginTransmission(addr);
+  uint8_t error = wire.endTransmission();
+  return (error == 0);
+}
+
+bool SH1107Display::begin()
+{
+  bool result = display.begin(DISPLAY_ADDRESS, true) && i2c_probe(Wire, DISPLAY_ADDRESS);
+  if (result) {
+    display.setRotation(DISPLAY_ROTATION);
+  }
+  return result;
+}
+
+void SH1107Display::turnOn()
+{
+  display.oled_command(SH110X_DISPLAYON);
+  uint8_t cmd[] = {0xD5, 0xF0};
+  display.oled_commandList(cmd, 2);
+  _isOn = true;
+}
+
+void SH1107Display::turnOff()
+{
+  display.oled_command(SH110X_DISPLAYOFF);
+  _isOn = false;
+}
+
+void SH1107Display::clear()
+{
+  display.clearDisplay();
+  display.display();
+}
+
+void SH1107Display::startFrame(ColorVal bkg)
+{
+  display.clearDisplay(); // TODO: apply 'bkg'
+  display.setContrast(120); // 0-127. default setting was causing some flickering.
+  // display.SH110X_SETPRECHARGE(255);
+  _color = SH110X_WHITE;
+  display.setTextColor(_color);
+  display.setTextSize(1);
+  display.cp437(true); // Use full 256 char 'Code Page 437' font
+}
+
+void SH1107Display::setTextSize(int sz)
+{
+  display.setTextSize(sz);
+}
+
+void SH1107Display::setColor(ColorVal c)
+{
+  _color = (c != 0) ? SH110X_WHITE : SH110X_BLACK;
+  display.setTextColor(_color);
+}
+
+void SH1107Display::setCursor(int x, int y)
+{
+  display.setCursor(x, y);
+}
+
+void SH1107Display::print(const char *str)
+{
+  display.print(str);
+}
+
+void SH1107Display::fillRect(int x, int y, int w, int h)
+{
+  display.fillRect(x, y, w, h, _color);
+}
+
+void SH1107Display::drawRect(int x, int y, int w, int h)
+{
+  display.drawRect(x, y, w, h, _color);
+}
+
+void SH1107Display::drawXbm(int x, int y, const uint8_t *bits, int w, int h)
+{
+  display.drawBitmap(x, y, bits, w, h, SH110X_WHITE);
+}
+
+uint16_t SH1107Display::getTextWidth(const char *str)
+{
+  int16_t x1, y1;
+  uint16_t w, h;
+  display.getTextBounds(str, 0, 0, &x1, &y1, &w, &h);
+  return w;
+}
+
+void SH1107Display::endFrame()
+{
+  display.display();
+}

src/helpers/ui/SH1107Display.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "DisplayDriver.h"
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#define SH110X_NO_SPLASH
+#include <Adafruit_SH110X.h>
+
+#ifndef PIN_OLED_RESET
+#define PIN_OLED_RESET -1
+#endif
+
+#ifndef DISPLAY_ADDRESS
+#define DISPLAY_ADDRESS 0x3c
+#endif
+
+class SH1107Display : public DisplayDriver
+{
+  Adafruit_SH1107 display;
+  bool _isOn;
+  uint8_t _color;
+
+  bool i2c_probe(TwoWire &wire, uint8_t addr);
+
+public:
+  SH1107Display() : DisplayDriver(128, 128), display(128, 128, &Wire, PIN_OLED_RESET) { _isOn = false; }
+  bool begin();
+
+  bool isOn() override { return _isOn; }
+  void turnOn() override;
+  void turnOff() override;
+  void clear() override;
+  void startFrame(ColorVal bkg = UIColor::window_bkg) override;
+  void setTextSize(int sz) override;
+  void setColor(ColorVal c) override;
+  void setCursor(int x, int y) override;
+  void print(const char *str) override;
+  void fillRect(int x, int y, int w, int h) override;
+  void drawRect(int x, int y, int w, int h) override;
+  void drawXbm(int x, int y, const uint8_t *bits, int w, int h) override;
+  uint16_t getTextWidth(const char *str) override;
+  void endFrame() override;
+};