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# STM32 F103RB Nucleo with CC256x
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BTstack port for STM32 F103RB Nucleo board and CC256x Bluetooth chipset
based on GNU Tools for ARM Embedded Processors and libopencm3
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Requirements:
- GNU Tools for ARM Embedded Processors: https://launchpad.net/gcc-arm-embedded
- libopencm3 is automatically fetched and build from its git repository by make
- openocd 0.8.0 (or higher) is used to upload firmware
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Components:
- STM32 F103RB Nucleo Board
- User's Manual: http://www.st.com/web/en/resource/technical/document/user_manual/DM00105823.pdf
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- CC2564B Bluetooth Controller:
1. The best option is to get it as a BoostPack
- Info: BOOST-CC2564MODA: http://www.ti.com/tool/BOOST-CC2564MODA
2. Alternatively, get the evaluation module together with the EM Wireless Booster pack and a 32.768 kHz oscillator
- EM Wireless Booster Pack:
- Info: http://www.ti.com/tool/boost-ccemadapter
- User Guide: http://www.ti.com/lit/ug/swru338a/swru338a.pdf
- Booster Pack Pinout: http://www.ti.com/ww/en/launchpad/dl/boosterpack-pinout-v2.pdf
- CC256x Evaluation Module:
- Info: http://www.ti.com/tool/cc256xqfnem
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Configuration:
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- Sys tick 250 ms
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- LED on PA5, on when MCU in Run mode and off while in Sleep mode
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- Debug UART: USART2 - 9600/8/N/1, TX on PA2
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- Bluetooth: USART3 with hardware flowcontrol RTS. IRQ on CTS Rising. TX PB10, RX PB11, CTS PB13 (in), RTS PB14 (out), N_SHUTDOWN PB15
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Setup with CC2564 BoosterPack (BOOST-CC2564MODA):
- Connect STM32 Nucleo Board to EM Wireless Board (see BoosterPack pinout)
- GND: CN10-9 - 20 (J2)
- VCC: CN7 -16 - 1 (J1)
- RX3: CN10-18 - 3 (J1)
- TX3: CN10-25 - 4 (J1)
- CTS3: CN10-30 - 36 (J4)
- RTS3: CN10-28 - 37 (J4)
- N_SHUTDOWN: CN10-26 - 19 (J2)
Setup with EM Wireless BoosterPack + CC256x Evaluation Module:
- Solder 32.768 kHz quarz oscillator to EM Adapter Booster Pack as explained in 4.7 of the EM Wireless Booster Pack User Guide. If you don't have an oscillator of that size, you might solder one upside done (turtle-on-back style) to the unused upper right pad and wire GCC, VCC, and clock with thin wires.
- Connect STM32 Nucleo Board to EM Wireless Board (see BoosterPack pinout)
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- GND: CN10-9 - 20 (LP2)
- VCC: CN7 -16 - 1 (LP1)
- RX3: CN10-18 - 3 (LP1)
- TX3: CN10-25 - 4 (LP1)
- CTS3: CN10-30 - 11 (LP2)
- RTS3: CN10-28 - 12 (LP2)
- N_SHUTDOWN: CN10-26 - 10 (LP1)
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TODO:
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- figure out how to compile multiple examples with single Makefile/folder
