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CCS/CC2650MODA: Using CC2650MODA with MSP430G2553 to transmit capsense data

HOANG TRUONG
Prodigy 45 points
Part Number: CC2650MODA
Other Parts Discussed in Thread: CC2650, , MSP430G2553, CC2640

Tool/software: Code Composer Studio

I am transmitting capacitive sensing data from a custom board (MSP430G2553 + CC2650MODA) to PC (I hope cc2650 launchpad can be a receiver).

Currently I can use TouchProTool protocol to read capsense data via UART pin (1.1, 1.2) from MSP430G2553 (using USB debugger directly).

My goal is to feed the capsense data stream to CC2650MODA and receive it at PC side, save the data stream out. 

I would like to ask suggestion to where should I start to implement the BLE components.

1. How to connect from MSP430 to CC2650MODA?

2. Which is the reference source code for Tx and Rx side of BLE?

3. Can I save data stream into PC via serial communication? or is there other ways to do that?

Thank you

  • 0
    TI__Guru** 105180 points
    Hello Hoang,

    One option here may be to just use the SPPBLE to emulate a UART serial port over BLE. You'll need to packetize the data on the MSP side based on your data and send it to a UART port between the two MCUs. You can see details on how to implement SPPBLE on the TI BLE Wiki, see "CC2640 SPPBLE UART to BLE Bridge" under TI Designs.

    Best wishes
  • 0 in reply to JXS
    Prodigy 45 points
    Hi JXS,

    Thanks for your suggestion. Would you mind elaborating more what I should implement for both Tx side (CC2650 on custom board) and Rx side?

    And for connect MSP to CC2650MODA, is it correct to connect 2 pins 1.1 and 1.2 from MSP to any 2 pins in CC2650 except TMS, TCK, TDI, TDO and RST pin and modify CC2650_LAUNCHXL.h and CC2650_LAUNCHXL.c correspondingly?