Download Openpilot Driver

Images and some content courtesy of theLibrePilot wiki

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Specifications¶

Processor
- STM32F405RGT6 ARM Cortex-M4 microcontroller
- 168 Mhz/1 MB Flash
Sensors
- InvenSense MPU6000 IMU (accel, gyro)
- Honeywell HMC5883L compass
- MS5611 barometer
Power
- 4.8V ~ 10V input power provided through ESC connection for fullsize Revolution
- 5V max on RevoMini
Default Interfaces
- 8 PWM outputs (1 - 6 on PWM output pins, 7 & 8 on Flex-IO / RCInput port)
- RC input (requires PPM/sBus) on Flex-IO / RCInput port’s CH3 pin (yellow wire on fullsize revolution)
- analog to digital inputs for battery voltage and current monitoring ( set pins 12,11 in params ), more adcs possible on arbitrary pins
- GPS (SERIAL3) on Flexi Port
- Telemetry (SERIAL1) on Mainport
- USB (SERIAL0) port
- SWD Port for flashing and debugging, including 3.3V output for optional periphereals
- MMCX antenna connector for integrated HopeRF RFM22B 100mW 433MHz (fullsize Revolution only)
- OPLink port on RevoMini. OPLink hardware is not supported by ArduPilot, but this port exposes external SPI pins (SCK, CS, MOSI, MISO) that can be used for supported SPI periphereals like SD card adapters or SPI OSD breakout boards (requires additions to hardware definition file and compiling a custom firmware).

Note

All improved software can be downloaded at your convenience at www.deif.com under “Software”. Should you have any questions or experience problems finding the relevant software for your product, please feel free to call DEIF A/S at +4 or your relevant local DEIF office. Initial version of Windows driver for FX30 module Read full description On this page, you can download software updates for your product(s) and help yourself to various utility tools and add-ons that will assist you in setting up, detecting faults and configuring your product(s). Deif a/s driver download for windows xp.

Per channel PWM-type RC inputs are not supported on this hardware. See reference for supported RC systems

Default UART order¶

SERIAL0 = console = USB
SERIAL1 = Telemetry1 = Mainport
SERIAL2 = NN in default config
SERIAL3 = GPS1 = FlexiPort

Tip

See hardware definition file for more info on pinout:https://github.com/ArduPilot/ardupilot/blob/master/libraries/AP_HAL_ChibiOS/hwdef/revo-mini/hwdef.dat

Wiring diagrams¶

ArduPilot default pin assignments on fullsize Revolution and RevoMini

Optional connectivity¶

requires compiling custom firmware based on changes to hwdef

I2C on Flexi port
RevoMini’s OPLink port can be used for external SPI periphereals connection
arbitrary pins can be used for various connections like 2nd GPS, additional PWM outputs etc. within certain restrictions

The RevoMini likely is the smallest footprint autpilot hardware to support ArduPilot. It does not offer CAN bus connectivity or sufficient onboard memory for storage of relevant logging data. However, external I2C or SPI periphereals can be added with limited effort.

Where to Buy¶

Available from many retailers including HobbyKing.

Firmware handling¶

ArduPilot supports Revolution and RevoMini in Stable releases. Firmware files can be found here

First time flashing ArduPilot requires to boot your device in DFU mode to flash an ArduPilot compatible bootloader and firmware file.

Enter DFU Mode¶

To do this, you’ll need to locate and short two pads on the device. On fullsize Revolution they are designated as “SB” or “SBL”:

On RevoMini they are located here:

You can short the pads in any particular way (either with a wire, solder joint, or something else). Detailed instructions are available on the Revo Mini LibrePilot Wiki. A small wire is the easiest way to short the device. You can also power the device via USB first, and then short the pads if using a wire. Once you have the device in DFU mode and connected to your machine continue with the following steps to load ArduPilot firmare onto ChibiOS boards.