I hope use it and enjoy.
I use Stm32f103vc and Keil Compiler and Stm32CubeMX wizard.
Please Do This ...
1) Config your usart and enable RX interrupt on CubeMX.
2) Select "General peripheral Initalizion as a pair of '.c/.h' file per peripheral" on project settings.
3) Config your GpsConfig.h file.
4) Add Gps_RxCallBack() on usart interrupt routin.
5) call Gps_Init() in your app.
6) Put Gps_Process() in Loop.