thanks to Zoltan Hudak publish the way to use stm32f103c8t6 on mbed. now you can use it with vl6180 tof sensor

Dependencies:   VL6180 mbed-STM32F103C8T6 mbed

Fork of VL6180_Hello_World by Steven Burg

Revision:
1:b2fce17fa2d6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-STM32F103C8T6.lib	Tue May 23 17:29:14 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/hudakz/code/mbed-STM32F103C8T6/#09d8c2eacb4d