C51 写的 SX12xx 驱动程序-The C51 write the SX12xx of driver

LORA 终端芯片sx12xx驱动代码，快速开发lora应用可用。(LORA terminal chip sx12xx driver code, rapid development, Lora applications available.)

sx12xx系列无线通信芯片驱动例程，可用于各种单片机编程时参考(sx12xx series of wireless communication chip driver routines can be used for a variety of microcontroller programming reference)