Imported from GitHub: cbalint13/usb-evp · commit f13e7c0 · license GPL-3.0

Description

USB Event Packet (LoRA) Stick

README

USB stick library stack

You can compile all tools using the provided make.sh.

---

Applications

• Use scan.sh to fetch the exact device path:

  $ ./scan.sh
  /dev/hidraw0 Lite-On Technology Corp. Lenovo Low Profile USB Keyboard
  /dev/hidraw1 Lite-On Technology Corp. Lenovo Low Profile USB Keyboard
  /dev/hidraw2 ITE Tech. Inc. ITE Device
  /dev/hidraw3 Designer Mouse
  /dev/hidraw4 EventPacket [eVo] USB Stick v1.2
  

• Chipset (SX127x) revision check:

  $ ./bin/check-version /dev/hidraw4
  SX127X chip version: 0x12
  

• Random number generator based on wideband RSSI measurement:

  $ ./bin/sx127x-random /dev/hidraw4
  Found SX127X chip version: 12
  253
  186
  97
  216
  157
  ...
  

• LoRa receive example:

  $ ./bin/lora-receive /dev/hidraw4 
  LoRa RX count #1 frame length = 14 rssi = -61 dB snr = 8 dB
  0x00000000 20 6C 6F 72 61 20 6D 65  73 73 61 67 65 00 |  A lora message.
  

• LoRa sending example:

  $ ./bin/lora-send /dev/hidraw4
  LoRa sent message