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import time
import board
import busio
import adafruit_ads1x15.ads1015 as ADS
from adafruit_ads1x15.ads1x15 import Mode
from adafruit_ads1x15.analog_in import AnalogIn
# Data collection setup
RATE = 3300
SAMPLES = 1000
# Create the I2C bus with a fast frequency
i2c = busio.I2C(board.SCL, board.SDA, frequency=1000000)
# Create the ADC object using the I2C bus
ads = ADS.ADS1015(i2c)
# Create single-ended input on channel 0
chan0 = AnalogIn(ads, ADS.P0)
# ADC Configuration
ads.mode = Mode.CONTINUOUS
ads.data_rate = RATE
data = [None]*SAMPLES
start = time.monotonic()
# Read the same channel over and over
for i in range(SAMPLES):
data[i] = chan0.value
end = time.monotonic()
total_time = end - start
print("Time of capture: {}s".format(total_time))
print("Sample rate requested={} actual={}".format(RATE, SAMPLES / total_time))
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