How to upload firmware?

[cucugwh]

I recently bought a Freematics OBD-2 Adapter(BLE, GPS) with USB ISP.
and tried to connect Freematics OBD-2 my Mac(iMac) use USB ISP
but I don't know How to upload firmware & Sample Code from source on github.

My Problem
1. Arduino IDE not find Freematics Board (not use freematics plugin on os x)
2. not find serial port
3. uploading Error (No available Programmer Upload)

I hope a more detail installation & programming guide.

[stanley]

Do you have an USBasp? There will be no serial port when you use a USBasp programmer. You need to set programmer in Arduino IDE's menu. If not, you need to use another Arduino with Arduino ISP sketch do uploading.

[cucugwh]

Thanks. I solved this problem.