This is RUIv3 SDK inside 3.0.0-p1_final.42 release.

cores/nRF5/component/core/board/rak4631/sdk_config.h

@@ -11722,7 +11722,7 @@
 
 // <o> NRF_SDH_BLE_GATT_MAX_MTU_SIZE - Static maximum MTU size. 
 #ifndef NRF_SDH_BLE_GATT_MAX_MTU_SIZE
-#define NRF_SDH_BLE_GATT_MAX_MTU_SIZE 67 //23 //247
+#define NRF_SDH_BLE_GATT_MAX_MTU_SIZE 247
 #endif
 
 #ifdef DFU_SUPPORT

cores/nRF5/component/rui_v3_api/ACharacter.h

@@ -20,7 +20,9 @@
  * @par	Syntax
  *     	isAlphaNumeric(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is alphanumeric(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is alphanumeric
+ * @retval	FALSE : The character is not alphanumeric
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -47,7 +49,9 @@ inline boolean isAlphaNumeric(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isAlpha(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is alpha(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is a letter
+ * @retval	FALSE : The character is not a letter
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -74,7 +78,9 @@ inline boolean isAlpha(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isAscii(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is Ascii(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is Ascii
+ * @retval	FALSE : The character is not Ascii
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -102,7 +108,9 @@ inline boolean isAscii(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isWhitespace(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is a space character(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is a space or tab
+ * @retval	FALSE : The character is not a space or tab
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -129,7 +137,9 @@ inline boolean isWhitespace(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isControl(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is a control character(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is a control character
+ * @retval	FALSE : The character is not a control character
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -156,7 +166,9 @@ inline boolean isControl(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isDigit(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is a number(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is a number
+ * @retval	FALSE : The character is not a number
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -183,7 +195,9 @@ inline boolean isDigit(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isGraph(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is printable(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is printable
+ * @retval	FALSE : The character is not printable
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -210,7 +224,9 @@ inline boolean isGraph(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isLowerCase(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is lower case(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is lower case
+ * @retval	FALSE : The character is not lower case
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -237,7 +253,9 @@ inline boolean isLowerCase(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isPrintAble(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is printable(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is printable
+ * @retval	FALSE : The character is not printable
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -264,7 +282,9 @@ inline boolean isPrintable(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isPunct(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is punctuation(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is a punctuation
+ * @retval	FALSE : The character is not a punctuation
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -292,7 +312,9 @@ inline boolean isPunct(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isSpace(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is a white-space character(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is white-space
+ * @retval	FALSE : The character is not white-space
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -319,7 +341,9 @@ inline boolean isSpace(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isUpperCase(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is upper case(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is upper case
+ * @retval	FALSE : The character is not upper case
  * @par     Example
  * @verbatim
    char mychar = 'A';
@@ -346,7 +370,9 @@ inline boolean isUpperCase(int thisChar) __attribute__((always_inline));
  * @par	Syntax
  *     	isHexadecimalDigit(thisChar);
  * @param	thisChar	variable(Type: char)
- * @return	true: if thisChar is an hexdecimal digit(Type: bool)
+ * @return	bool
+ * @retval	TRUE  : The character is an hexadecimal digit
+ * @retval	FALSE : The character is not an hexadecimal digit
  * @par     Example
  * @verbatim
    char mychar = 'A';

cores/nRF5/component/rui_v3_api/HardwareSerial.h

@@ -66,7 +66,7 @@ class HardwareSerial : public Stream
     }
 
     void begin(uint32_t baud, uint8_t config, UART_MODE mode = AT_MODE); 
-    int32_t password(string new_passwd);
+    bool password(string new_passwd);
     size_t write(uint8_t n) {return write(&n, 1);}
 
     /**@addtogroup	Serial
@@ -157,7 +157,9 @@ class HardwareSerial : public Stream
      * @param	new_passwd	an char array to set for unlock the device
      * @param	len		the length your password set
      *
-     * @return	SERIAL_WLOCK_STATE
+     * @return	bool
+     * @retval	TRUE for success
+     * @retval	FALSE for failure
      * @par	Example
      * @verbatim
      void setup() {
@@ -173,7 +175,7 @@ class HardwareSerial : public Stream
      }
      @endverbatim
      */
-    int32_t password(char *new_passwd, size_t len);
+    bool password(char *new_passwd, size_t len);
 
 
     /**@par	Description

cores/nRF5/component/rui_v3_api/RAKBleBeacon.h

@@ -13,8 +13,9 @@ class cusPayload
      * 		api.ble.beacon.custom.payload.set(cus_adv_data[], cus_adv_len)
      * @param	cus_adv_data[]	set the advertising payload (MAX 31 bytes)
      * @param	cus_adv_len	the number of bytes to advertising data
-     *
-     * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+     * @return	bool
+     * @retval	TRUE for success
+     * @retval	FALSE for failure
      */
     bool set(uint8_t cus_adv_data[], uint8_t cus_adv_len);
 
@@ -47,7 +48,9 @@ app and deployment use case.
        * @par		Syntax
        *		api.ble.beacon.ibeacon.uuid.set(beaconUuid)
        * @param		beaconUuid	define 16 bytes
-       * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+       * @return	bool
+	     * @retval	TRUE for success
+	     * @retval	FALSE for failure
        */
       bool set(uint8_t beaconUuid[]);
     };
@@ -63,7 +66,9 @@ the UUID.
        * @par		Syntax
        *		api.ble.beacon.ibeacon.major.set(major_value)
        * @param		major_value	set major (define 2 bytes)
-       * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+       * @return	bool
+	     * @retval	TRUE for success
+	     * @retval	FALSE for failure
        */
       bool set(uint16_t major_value);
     };
@@ -78,7 +83,9 @@ application developer
        * @par		Syntax
        *		api.ble.beacon.ibeacon.minor.set(minor_value)
        * @param		minor_value	set minor (define 2 bytes)
-       * @return	TRUE for success SET,FALSE for SET fail(Type: bool)	
+       * @return	bool
+	     * @retval	TRUE for success
+	     * @retval	FALSE for failure
        */
       bool set(uint16_t minor_value);
     };
@@ -92,7 +99,9 @@ application developer
        * @par		Syntax
        *		api.ble.beacon.ibeacon.power.set(ibeacon_power)
        * @param		ibeacon_power	display measured power value (RSSI)
-       * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+       * @return	bool
+	     * @retval	TRUE for success
+	     * @retval	FALSE for failure
        */
       bool set(int8_t ibeacon_power);
     };

cores/nRF5/component/rui_v3_api/RAKBleCus.h

@@ -165,7 +165,9 @@ class RAKBleCharacteristic
 
      * @par	Syntax
      *		bslc.notifyEnabled()
-     * @return	void
+     * @return	bool
+     * @retval	TRUE  : The mobile apps notification is enabled
+     * @retval	FALSE : The mobile apps notification is not enabled
      */
     bool notifyEnabled(void);
 

cores/nRF5/component/rui_v3_api/RAKBleSettings.h

@@ -5,7 +5,7 @@
 #include "AString.h"
 
 /**
- * @ingroup	BLE_Data_Type
+ * @ingroup	BLE_Setting
  */
 typedef enum
 {
@@ -31,7 +31,9 @@ class RAKBleSettings {
 	 *
 	 * @param	txpwr	The TX power level (dBm), which can be one of the following values (from lowest to higher transmit power):\n
 0~8 , -4,-8,-12,-16,-20,-40
-	 * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+   * @return	bool
+	 * @retval	TRUE for success
+	 * @retval	FALSE for failure
 	 */
         bool set(int8_t txpwr);
 
@@ -55,7 +57,9 @@ class RAKBleSettings {
 	 *	api.bel.setting.advertiseInterval.set(adv_interval)
 	 *
 	 * @param	adv_interval	1000ms ~10240ms
-	 * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+   * @return	bool
+	 * @retval	TRUE for success
+	 * @retval	FALSE for failure
 	 */
         bool set(int32_t adv_interval);
 
@@ -81,7 +85,9 @@ class RAKBleSettings {
 	 *
 	 * @param	ble_name	setting device name an array of data to send as bytes
 	 * @param	device_name_length	the number of bytes to transmit
-	 * @return	TRUE for success SET,FALSE for SET fail(Type: bool)
+   * @return	bool
+	 * @retval	TRUE for success
+	 * @retval	FALSE for failure
 	 */
         bool set(char *ble_name, uint8_t device_name_length);
 
@@ -131,16 +137,19 @@ class RAKBleAdvertise {
      * @par	Syntax
      * 		api.ble.advertise.start(adv_time)
      * @param	adv_time	advertising timeout in seconds. If x = 0, advertising never stops
-     * @return	True for start advertising success, false for start advertising fail(Type: bool)
+     * @return	bool
+     * @retval	TRUE for start advertising success
+     * @retval	FALSE for for start advertising failure
      */
     bool start(uint8_t adv_time);
 
     /**@par	Description
      *		Used to stop advertising
      * @par	Syntax
      *		api.ble.advertise.stop()
-     *		
-     * @return	True for stop advertising success,false for stop advetising fail(Type: bool)
+     @return	bool
+     @retval	TRUE for stop advertising success
+     @retval	FALSE for for stop advertising failure
      * @par	Example
      * @verbatim
      void setup()
@@ -162,8 +171,8 @@ class RAKBleAdvertise {
      * 		api.ble.advertise.status()
      *
      * @return	bool
-     * @retval	0	the device is in advertising
-     * @retval	1	the device is adverting
+     * @retval	TRUE  : the device is in advertising
+     * @retval	FALSE : the device is stop advertis
      */
     bool status();
 };