add some error codes to ble_error_t

common/blecommon.h

@@ -122,6 +122,9 @@ typedef enum ble_error_e
     BLE_ERROR_NOT_IMPLEMENTED    = 2,       /**< Requested a feature that isn't yet implement or isn't supported by the target HW */
     BLE_ERROR_PARAM_OUT_OF_RANGE = 3,       /**< One of the supplied parameters is outside the valid range */
     BLE_STACK_BUSY               = 4,       /**< The stack is busy */
+    BLE_ERROR_INVALID_STATE      = 5,       /**< Invalid state. */
+    BLE_ERROR_NO_MEM             = 6,       /**< Out of Memory */
+    BLE_ERROR_UNSPECIFIED        = 7,       /**< Unknown error. */
 } ble_error_t;
 
 #ifdef __cplusplus