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Increase the data rate in CC2541 sensorTag

Yehia Zakaria
Prodigy 10 points
Other Parts Discussed in Thread: CC2541, CC2650

I just started working now with CC2541 sensorTag and I have successfully extract data from the accelerometer using PC with Ubuntu OS according to this blog.

My next step is trying to increase the rate of sending the data. From the SensorTag attribute table,  the sensorTag is able to update the accelerometer data by minimum interval of 100mSec.
My question is: Does this interval can be changed by changing the firmware of the chip and If it can be changed, is there any limitation for updating the data in the GATT profile itself.

  • 0
    Genius 4470 points

    In BLE, data transfers take place on connection events. And by reduction the connection interval you can increase the data rate. But note that, this will increase the power consumption of the slave/peripheral device.

  • 0 in reply to Dhaval V
    Prodigy 45 points

    Hi  Dhaval

    I am working on CC2650 SensorTag to access the accelerometer data. Currently, I am able to read 1 value per second by using the original program that done by Texas Instruments. Could anyone gives me a clue to change the program using CCS and read more frequently than that?