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%matplotlib inline  
import box0
import time
import numpy as np
from pylab import *
from IPython import display

SAMPLE_BITSIZE = 12
SAMPLE_SPEED = 10000
SAMPLE_COUNT = 500

dev = box0.usb.open_supported()

ain0 = dev.ain(0)
ain0.snapshot_prepare()


while True:

    xlabel('time (s)')
    ylabel('voltage (V)')
    title('About as simple as it gets, folks')
    grid(True)
    
    ain0.bitsize_speed_set(SAMPLE_BITSIZE, SAMPLE_SPEED)

    s = np.empty(SAMPLE_COUNT, dtype=np.float64)
    ain0.snapshot_start(s)

    t = arange(0.0, float(SAMPLE_COUNT) / float(SAMPLE_SPEED), 1 / float(SAMPLE_SPEED))
    clf()
    grid(True)

    #print("s is" + str(s))
    #print("t is" + str(t))


    
    #~ fill(t, s, 'r.-')
    plot(t, s, 'r.-')
    display.clear_output(wait=True)
    display.display(plt.gcf()) 
    time.sleep(0.001)

ain0.close()
dev.close()
Contineous Analog In Snapshot Update
