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
Parent:
0:2508f38e90fe
--- a/main.cpp	Mon Oct 19 16:47:41 2015 +0000
+++ b/main.cpp	Tue May 23 17:29:14 2017 +0000
@@ -1,14 +1,18 @@
+#include "stm32f103c8t6.h"
 #include "VL6180.h"
 #include "mbed.h"
 
-VL6180 rf(p9, p10); //I2C sda and scl
-Serial pc(USBTX, USBRX); //USB serial
+VL6180 rf(PB_7, PB_6); //I2C sda and scl
+
 
 int main() {
+    confSysClock();
+    Serial      pc(PA_2, PA_3);
     float reading;
+    
     while(1) {
         reading = rf;
         pc.printf("Read %4.1f cm\n", reading);
-        wait(0.5);
+        //wait(0.5);
     }
 }
\ No newline at end of file