1.IDE : ST Visual developer

2.Toolchain : Cosmic tools

3.Processor : STM8S103K3

4.LoRa module:SFM-1L

5.Function : Master->Sned Message

          Slave->Receive Message-> Send Message back to Master

6.Payload : 30bytes

Note: SFM-1L module has 26MHz crystal on board, not 32MHz. RegFrf=