this receive i2cmaster 's data(reg, int) it move Stepping Motor. for WRS2019

Dependencies:   mbed i2cslave

Revision:
0:831a6764c8cf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Dec 17 07:16:39 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file