increase attr table size for 840 to from 0xC00 to 0x1000

Author: hathach

libraries/Bluefruit52Lib/src/bluefruit.cpp

@@ -122,10 +122,7 @@ static void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info)
     LOG_LV1("SD Err", "assert at %s : %d", assert_info->p_file_name, assert_info->line_num);
   }
 
-  while(1)
-  {
-    yield();
-  }
+  while(1) yield();
 #endif
 }
 
@@ -189,11 +186,6 @@ AdafruitBluefruit::AdafruitBluefruit(void)
                   .kdist_own    = { .enc = 1, .id = 1},
                   .kdist_peer   = { .enc = 1, .id = 1},
                 });
-
-COMMENT_OUT(
-  _auth_type = BLE_GAP_AUTH_KEY_TYPE_NONE;
-  varclr(_pin);
-)
 }
 
 void AdafruitBluefruit::configServiceChanged(bool changed)

libraries/Bluefruit52Lib/src/bluefruit.h

@@ -36,7 +36,12 @@
 #define BLE_GATT_ATT_MTU_MAX      247
 #define BLE_MAX_CONNECTION        20 // SD support up to 20 connections
 
-#define CFG_SD_ATTR_TABLE_SIZE    0xC00
+// Allocate more memory for GATT table for 840
+#ifdef NRF52840_XXAA
+  #define CFG_SD_ATTR_TABLE_SIZE    0x1000
+#else
+  #define CFG_SD_ATTR_TABLE_SIZE    0xC00
+#endif
 
 #include "BLEUuid.h"
 #include "BLEAdvertising.h"