On Wed, Dec 3, 2014 at 1:49 PM, Vitali Coltuclu <[email protected]> wrote:
> Hello Everyone,
>
> I am trying to build a sensor using Beaglebone Black (BBB) and Python and I
> would like to get as many data points as possible from the sensor. Using the
> code below, I get around 120 000 points per second.
>
> import Adafruit_BBIO_GPIO as GPIO
> import time
>
> GPIO.setup("P8_11", GPIO.IN)
>
> def get_data(n):
>     start_time = time.time()
>     my_list = [GPIO.input("P8_11") for i in range(n)]
>     end_time = time.time() - start_time
>     print "Time: {}".format(end-time)
>     return my_list
>
> n = 120000
> get_data(n)
>
> I am wondering if it is possible to speed up BBB, ideally to get the rate of
> 1 MHz. What are the options to do that?

If your just reading a gpio pin, use the pru...

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

-- 
For more options, visit http://beagleboard.org/discuss
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