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Revolution AXE027 Manual
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Revolution AXE027 Manual

Picaxe usb cable
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AXE027 PICAXE USB CABLE
Index:
1.0) Introduction
2.0) General tips for using the AXE027 USB cable
3.0) Windows 2000/XP/Vista Installation
3.1) Windows 7 (32/64 bit) Installation
4.0) Linux Installation
5.0) Mac OS X Installation
6.0) Windows CE/PocketPC/Mobile Installation
7.0) PICAXE Download Circuit
8.0) AXE027 Circuit Diagram
1.0) Introduction
The PICAXE USB download cable is used to download PICAXE programs into
PICAXE chips. It can be used with any PICAXE chip or project board. The cable is
compatible with any software application that supports programming of PICAXE
chips.
The PICAXE USB download cable connects via the computer's USB port. However
the cable contains a tiny circuit board, moulded into the compact USB connector.
This circuit contains a USB to serial convertor chip, and so the actual data transfer
to the PICAXE chip is via a 5V logic level serial connection.
2.0) General tips for using the AXE027 USB cable
Always plug in the USB cable before starting the software application.
Always use the USB cable in the same USB port on your computer.
Most operating system regards each individual USB port as a unique location.
Therefore if you plug your cable into a different USB port on the computer you
may be prompted to reinstall the driver files for this new location.
The USB cable's internal circuit board is powered by the computer's USB port.
Therefore remove the cable from the PICAXE project when the USB end of the
cable is not inserted into a computer, as the cable will not then be powered.
revolution
Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.picaxe.co.uk v2.2 02/09
AXE027.PMD

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Summary of Contents for Revolution AXE027

  • Page 1 AXE027 PICAXE USB CABLE Index: 1.0) Introduction 2.0) General tips for using the AXE027 USB cable 3.0) Windows 2000/XP/Vista Installation 3.1) Windows 7 (32/64 bit) Installation 4.0) Linux Installation 5.0) Mac OS X Installation 6.0) Windows CE/PocketPC/Mobile Installation 7.0) PICAXE Download Circuit 8.0) AXE027 Circuit Diagram...
  • Page 2 The Device Manager will then start - click the ‘+’ symbol beside ‘Ports (COM & LPT)’ so that all the entries are visible. Beside the ‘AXE027 PICAXE USB’ entry will be the currently allocated COM port number. The instructions given later in this manual explains how to change this COM port number if necessary.
  • Page 3 AXE027 cable to operate. The Windows operating system will now automatically allocate the AXE027 USB cable a default ‘COM port number’ to use within the Programming Editor software. However this automatically allocated COM port number may not be suitable (e.g. COM20) and may need to be re-assigning to another port (e.g.
  • Page 4 Windows is ‘reserving’ the COM port number for a particular device. This can occur, for instance, if you plug your AXE027 cable into a different USB port on the computer - Windows is expecting the cable to be inserted into the original USB port and so is reserving the COM number for that USB port.
  • Page 5 The Device Manager will then start - click the ‘+’ symbol beside ‘Ports (COM & LPT)’ so that all the entries are visible. Beside the ‘AXE027 PICAXE USB’ entry will be the currently allocated COM port number. 3.11) Installing the AXE027 PICAXE USB Cable Driver Due to the new way Windows 7 handles driver installation the installation process is slightly different to XP / Vista.
  • Page 6 Click Start > Control Panel Click 'View Devices and Printers' in the 'Hardware and Sound' section Right Click over 'AXE027 PICAXE USB' and select Properties Click Hardware Tab Highlight (click on) 'AXE027 PICAXE USB' in the list Click Properties button...
  • Page 7 This process MUST now be repeated to setup the Virtual USB serial port driver. Step 4 - Manually Install Virtual USB Port Driver Click Start > Control Panel Click 'View Devices and Printers' in the 'Hardware and Sound' section revolution (c) Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.picaxe.co.uk V2.2 02/09 AXE027.PMD...
  • Page 8 PICAXE USB CABLE Right Click over 'AXE027 PICAXE USB' and select Properties Click Hardware Tab Highlight (click on) 'USB Serial Port' in the list (instead of 'AXE027 PICAXE USB' which was used last time) Click Properties button Click 'Change Settings' button...
  • Page 9 'succesful update' message. This is the COM port number to be used in the PICAXE software (e.g. COM3 shown in this screenshot). When installation completes close all open windows revolution (c) Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.picaxe.co.uk V2.2 02/09 AXE027.PMD...

  • Page 10: Linux Installation

    Option 1 is to simply patch (“modprobe”) the driver details every time the cable is used. This is very simple, but needs to be carried out every time the computer is restarted (before the AXE027 cable is inserted). This method also works when running Linux from a Live CD (without installation).
  • Page 11 Then enter the following text (note the last 2 lines below should be entered as one long line) and then save the file. # /etc/udev/rules.d/99-axe027.rules # contains axe027 udev rule to patch default # FTDI product id to AXE027 product id (0xbd90) SYSFS{idProduct}=="bd90", SYSFS{idVendor}=="0403", RUN+="/sbin/modprobe -q ftdi_sio product=0xbd90 vendor=0x0403"...
  • Page 12 *** 143,149 *** /* ELV USB Module UO100 (PID sent by Stefan Frings) */ #define FTDI_ELV_UO100_PID 0xFB58 /* Product Id */ + #define FTDI_AXE027_PID 0xBD90 /* Product Id */ revolution (c) Revolution Education Ltd. Email: info@rev-ed.co.uk Web: www.picaxe.co.uk V2.2 02/09 AXE027.PMD...

  • Page 13: Mac Os X Installation

    /dev/tty.usbserial-xxxxxxxx where xxxx is a unique serial number. Remember this number as you will require it to use the AXE027 cable. To study the contents of /dev use the Terminal application. The Terminal application can be launched by selecting Go >...

  • Page 14: Troubleshooting

    AXE027 cable, referenced by the system unique /dev/tty.usbserial-xxxxxxxx name. 5.1) Trouble shooting: If the AXE027 cable cannot be accessed an ownership or permissions problem may be preventing the system from making the cable accessible. Check that the driver is owned by root and wheel. The most common symptom is the group for FTDIUSBSerialDriver is not wheel.

  • Page 15: Installation

    Windows CE are COM0 to COM9 only. Note that other devices (e.g. GPS / bluetooth etc.) may also make use of COM ports. Unfortunately it is not possible to view which COM port is allocated to the AXE027 via ‘System Info’, so...
  • Page 16 The AXE027 USB cable may also be used to transmit/receive serial data from the PICAXE input/output pins (via serin and serout commands). 6) AXE027 Circuit Diagram The miniature USB to serial circuit is built into the plastic moulding of the USB plug on the AXE027 cable. The circuit diagram is shown below. AXE027...