max32630fthr quad spi , unexpected spi behavior

Revision:
0:a35c40f49345
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FTHR_USB_serial/.mbed	Tue Mar 13 21:12:00 2018 +0000
@@ -0,0 +1,1 @@
+ROOT=.