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118 lines
3.7 KiB
Markdown
118 lines
3.7 KiB
Markdown
Zolertia RE-Mote platform
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============================================
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The RE-Mote platform (Revision B) is a IoT Hardware development platform based
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on TI's CC2538 system on chip (SoC), featuring an ARM Cortex-M3 with 512KB
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flash, 32Kb RAM, double RF interface (Sub-1GHz CC1200 RF transceiver), and the
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following goodies:
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* ISM 2.4-GHz IEEE 802.15.4 & Zigbee compliant.
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* ISM 868-, 915-, 920-, 950-MHz ISM/SRD Band.
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* AES-128/256, SHA2 Hardware Encryption Engine.
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* ECC-128/256, RSA Hardware Acceleration Engine for Secure Key Exchange.
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* Power consumption down to 150nA using our shutdown mode.
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* Flashing over BSL without requiring to press any button to enter bootloader mode.
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* Built-in battery charger (500mA), Energy Harvesting and Solar Panels to be connected to standards LiPo batteries.
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* Power input with wide range 3.7-16VDC.
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Changes from Revision A
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=========================
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The list of changes are summarized in the [Wiki](https://github.com/Zolertia/Resources/wiki/RE-Mote:-Enhancements-from-Rev.A-to-Rev.B)
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Port Features
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=============
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In terms of hardware support, the following drivers have been implemented:
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* CC2538 System-on-Chip:
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* UART
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* Random number generator
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* Low Power Modes
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* General-Purpose Timers
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* I2C/SPI library
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* LEDs
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* Buttons
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* RF switch to programmatically drive either 2.4GHz or sub-1GHz to a single RP-SMA
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* RF 2.4GHz built-in in CC2538
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And under work or pending at cc2538 base cpu:
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* Built-in core temperature and battery sensor.
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* CC1200 sub-1GHz radio interface.
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* Micro-SD external storage.
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* ADC
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* USB (in CDC-ACM).
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* uDMA Controller.
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Requirements
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============
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* Toolchain to compile RIOT for the CC2538
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* Drivers to enable your host to communicate with the platform
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* Built-in BSL programming over USB using cc2538-bsl (included)
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Install a Toolchain
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-------------------
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The toolchain used to build is arm-gcc, to check if it is currently installed run:
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$ arm-none-eabi-gcc -v
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Using built-in specs.
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Target: arm-none-eabi
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Configured with: /scratch/julian/lite-respin/eabi/src/gcc-4.3/configure
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...
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(skip)
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...
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Thread model: single
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gcc version 4.3.2 (Sourcery G++ Lite 2008q3-66)
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Else install from <https://launchpad.net/gcc-arm-embedded>
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Drivers
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-------
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The RE-Mote features a CP2104 serial-to-USB module, the driver is commonly found in most OS, but if required it can be downloaded
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from <https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers>
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### For the CC2538EM (USB CDC-ACM)
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The RE-Mote has built-in support for USB 2.0 USB, Vendor and Product IDs are the following:
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* VID 0x0451
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* PID 0x16C8
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On Linux and macOS this is straightforward, on windows you need to install the following driver:
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<https://github.com/alignan/lufa/blob/remote-zongle/LUFA/CodeTemplates/WindowsINF/LUFA%20CDC-ACM.inf>
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And replace the IDs accordingly.
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### Device Enumerations
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For the UART, serial line settings are 115200 8N1, no flow control.
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Once all drivers have been installed correctly:
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On windows, devices will appear as a virtual `COM` port.
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On Linux, devices will appear under `/dev/`.
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On macOS, `/dev/tty.SLAB_USBtoUARTx`.
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On Linux:
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* RE-Mote over CP2104: `ttyUSB0`
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* RE-Mote over USB driver (in CDC-ACM): `ttyACMn` (n=0, 1, ....)
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More Reading
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============
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1. [Zolertia RE-Mote website][remote-site]
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2. [Zolertia Wiki page][zolertia-wiki]
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3. [CC2538 System-on-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee applications (SWRU319B)][cc2538]
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4. [CC1200 sub-1GHz RF transceiver][cc1200]
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[remote-site]: https://zolertia.io/product/re-mote/ "Zolertia RE-Mote"
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[zolertia-wiki]: https://github.com/Zolertia/Resources/wiki
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[cc1200]: http://www.ti.com/product/cc1200 "CC1200"
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[cc2538]: http://www.ti.com/product/cc2538 "CC2538"
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