update code to use writeN()

Author: hathach

libraries/Bluefruit52Lib/examples/Peripheral/custom_hrm/custom_hrm.ino

@@ -160,7 +160,7 @@ void setupHRM(void)
   bslc.setPermission(SECMODE_OPEN, SECMODE_NO_ACCESS);
   bslc.setFixedLen(1);
   bslc.begin();
-  bslc.write(2);    // Set the characteristic to 'Wrist' (2)
+  bslc.write8(2);    // Set the characteristic to 'Wrist' (2)
 }
 
 void connect_callback(uint16_t conn_handle)

libraries/Bluefruit52Lib/src/services/BLEBas.cpp

@@ -57,10 +57,10 @@ err_t BLEBas::begin(void)
 
 bool BLEBas::write(uint8_t level)
 {
-  return _battery.write(level) > 0;
+  return _battery.write8(level) > 0;
 }
 
 bool BLEBas::notify(uint8_t level)
 {
-  return _battery.notify(level);
+  return _battery.notify8(level);
 }

libraries/Bluefruit52Lib/src/services/BLEDfu.cpp

@@ -196,7 +196,7 @@ err_t BLEDfu::begin(void)
   chr_revision.setProperties(CHR_PROPS_READ);
   chr_revision.setFixedLen(2);
   VERIFY_STATUS( chr_revision.begin());
-  chr_revision.write( (uint16_t) DFU_REV_APPMODE);
+  chr_revision.write16(DFU_REV_APPMODE);
 
   return ERROR_NONE;
 }

libraries/Bluefruit52Lib/src/services/BLEHidGeneric.cpp

@@ -145,7 +145,7 @@ err_t BLEHidGeneric::begin(void)
     _chr_protocol->setProperties(CHR_PROPS_READ | CHR_PROPS_WRITE_WO_RESP);
     _chr_protocol->setFixedLen(1);
     VERIFY_STATUS( _chr_protocol->begin() );
-    _chr_protocol->write( (uint8_t) 1);
+    _chr_protocol->write8(1);
   }
 
   // Input reports
@@ -179,7 +179,7 @@ err_t BLEHidGeneric::begin(void)
 
     VERIFY_STATUS( _chr_outputs[i].begin() );
 
-    _chr_outputs[i].write( (uint8_t) 0 );
+    _chr_outputs[i].write8(0);
   }
 
   // Report Map (HID Report Descriptor)
@@ -205,7 +205,7 @@ err_t BLEHidGeneric::begin(void)
     _chr_boot_keyboard_output->setFixedLen(1); // boot keyboard is 1 byte
     _chr_boot_keyboard_output->setPermission(SECMODE_ENC_NO_MITM, SECMODE_NO_ACCESS);
     VERIFY_STATUS(_chr_boot_keyboard_output->begin());
-    _chr_boot_keyboard_output->write((uint8_t) 0);
+    _chr_boot_keyboard_output->write8(0);
   }
 
   // Boot Mouse Input Report