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Implementation possibilities

System Schematic

Solar Car unit

Main Controller CAN Bus ControllerExternal Memory

Teensy:

  • pros:
    • access to Arduino software stack
  • cons:

Patmos:

  • pros:
  • cons:

Use the available CAN bus controller (SPI?)

  • pros:
  • cons:

Design own CAN bus controller on FPGA

  • pros:
  • cons:
    • Would require custom circuitry in front of FPGA

SPI SDCard

  • pros:
    • SPI interface will most likely be needed anyways for RF module
  • cons:

Support Vehicle unit

Controller UART Controller

Arduino

  • pros:
  • cons:

Teensy

  • pros:
  • cons:
    • more performance than required (power is no concern in the support vehicle though)

Integrated in uC

  • pros:
  • cons:

Support Vehicle Computer Program

Interface
  1. Mini GUI to send and receive
  2. More advanced GUI with a small monitoring dashboard
  3. Just send data via UART
  4. Command line interface

Wireless Transmission

RF Transceiver Modules

CC1101

  • pros:
  • cons:

nRF24

  • pros:
  • cons:

nRF905

  • pros:
  • cons:

SX1278 (LoRa)

  • pros:
    • long range and low power
  • cons:

HC12

  • pros:
  • cons: