We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.
We designed a PCB with stm32f030c8t6. We soldered the PCB and tried to upload the code. Power has gone to the stm32f030c8t6 successfully but when we arranged a pin as a gpio output it wasn't high.
Keil created this related video tutorial "Benefits of ST-Link when using with Arm Keil MDK": http://www2.keil.com/video
As you see to your target there are many Infos existing at Keil. Another one is our "Application Note 286":
https://www.keil.com/appnotes/docs/apnt_286.asp
I hope with all these links you manage to approach a solution, good luck!