docs/boards/Revolution.md

   1 # Board - OpenPilot Revolution also known as CC3D Revo
   2
   3 ## Features
   4
   5 * STM32F405 CPU
   6 * Integrated Accelerometer/Gyro MPU6000 via SPI bus
   7 * Integrated Magnetometer HMC5883
   8 * Integrated Barometer MS5611
   9 * Integrated 433MHz OPlink Modem -> Not supported
  10 * 6 motor outputs
  11 * 3 UART ports (UART1, UART3, UART6)
  12 * External I2C bus, pins shared with UART3, can not be used simultaneously
  13 * Only UART1 is equipped with inverter
  14 * Onboard 128Mbit (16MB) flash
  15 * BLHeli Passthrough
  16
  17 ## **NOT** supported
  18
  19 * HC-SR04 Rangefinder
  20 * SoftwareSerial
  21 * ServoTilt
  22
  23 ## USB
  24
  25 This board uses STM32 VCP and _not_ utilizes UART when USB is connected. STM32 VCP drivers might be required!
  26
  27 Flashing requires DFU mode and STM32 DFU drivers. Use [Zadig](http://zadig.akeo.ie) tool to install WinUSB driver on Windows.
  28
  29 ## Pinout
  30
  31 Following section is ported from [RaceFlight](https://github.com/rs2k/raceflight/blob/master/docs/Board%20-%20Revo.md) with edits
  32
  33 ### RC_Input connector
  34
  35 #### RX_PPM and RX_SERIAL
  36
  37 | Pin | Function  | Notes                            |
  38 | --- | --------- | -------------------------------- |
  39 | 1   | Ground    |                                  |
  40 | 2   | +5V       |                                  |
  41 | 3   |           |                                  |
  42 | 4   |           |                                  |
  43 | 5   | PPM Input | Enable `feature RX_PPM`          |
  44 | 6   |           |                                  |
  45 | 7   | UART6 TX  | |
  46 | 8   | UART6 RX  | |
  47 | 9   |           |                                  |
  48 | 10  |           |                                  |
  49
  50 #### RX_PARALLEL_PWM
  51
  52 | Pin | Function | Notes |
  53 | --- | ---------| ------|
  54 | 1   | Ground   |       |
  55 | 2   | +5V      |       |
  56 | 3   | Unused   |       |
  57 | 4   | Unused   |       |
  58 | 5   | CH1      |       |
  59 | 6   | CH2      |       |
  60 | 7   | CH3      |       |
  61 | 8   | CH4      |       |
  62 | 9   | CH5      |       |
  63 | 10  | CH6      |       |
  64
  65 ### RC_Output connector
  66
  67 #### RX_PPM and RX_SERIAL
  68
  69 | Pin | Pin     | Function              | Notes |
  70 | --- | ----    |----------             | ------|
  71 | 1   | PB0     | MOTOR 1               |       |
  72 | 2   | PB1     | MOTOR 2               |       |
  73 | 3   | PA3     | MOTOR 3               |       |
  74 | 4   | PA2     | MOTOR 4               |       |
  75 | 5   | PA1     | MOTOR 5 / LED Strip   |       |
  76 | 6   | PA0     | MOTOR 6 / RSSI_ADC    |       |
  77
  78 ## Serial Ports
  79
  80 | Value | Identifier   | Board Markings | Notes                                     |
  81 | ----- | ------------ | -------------- | ------------------------------------------|
  82 | 1     | VCP          | USB PORT       |                                           |
  83 | 2     | UART1        | MAIN PORT      | Connected to an MCU controllable inverter |
  84 | 3     | UART3        | FLEX PORT      |                                           |
  85 | 4     | UART6        | RC connector   |                                           |
  86
  87 The UART6 port is not available when RX_PARALLEL_PWM is used.
  88
  89 ### Main Port
  90
  91 The main port is connected to an inverter which is automatically enabled as required.  For example, if the main port is used for SBus Serial RX then an external inverter is not required.
  92
  93 | Pin | Signal             | Notes                   |
  94 | --- | ------------------ | ----------------------- |
  95 | 1   | GND                |                         |
  96 | 2   | VCC unregulated    |                         |
  97 | 3   | UART1 TX           | 3.3v level              |
  98 | 4   | UART1 RX           | 3.3v level (5v tolerant)|
  99
 100 ### Flex Port
 101
 102 The flex port will be enabled in I2C mode unless UART3 is used.  You can connect external I2C sensors and displays to this port.
 103
 104 You cannot use USART3 and I2C at the same time.
 105
 106 | Pin | Signal             | Notes                    |
 107 | --- | ------------------ | -----------------------  |
 108 | 1   | GND                |                          |
 109 | 2   | VCC unregulated    |                          |
 110 | 3   | I2C SCL / UART3 TX | 3.3v level               |
 111 | 4   | I2C SDA / UART3 RX | 3.3v level (5v tolerant) |
 112
 113 ### Pwr sensor connector
 114
 115 | Pin | Signal             | Notes                    |
 116 | --- | ------------------ | -----------------------  |
 117 | 1   | GND                |                          |
 118 | 2   | VCC unregulated    |                          |
 119 | 3   | Current sensor     | 3.3v max input           |
 120 | 4   | Voltage sensor     | 3.3v max input |
 121
 122 ## Buzzer
 123
 124 External buzzer should be wired to PB4 CPU pin using a transistor circuit
 125
 126 ## Notes
 127
 128 * At this moment LED Strip is not functional on this target
 129 * Motor out put 5 and 6 needs testing
 130 * Servo output might not be working at the moment of writing this documentation
 131 * I2C might not be working at the moment of writing this documentation
 132 * LED Strip might not be working at the moment of writing this documentation