Micropython-AD9833

This script is written in python 3.x for interfacing the AD9833 with micropython microcontrollers over SPI.

Usage

Import

from ad9833 import AD9833
from pyb import Pin
from pyb import SPI

Choose SS pin

ss = Pin('X5', Pin.OUT_PP)

Choose SPI

spi = SPI(1, SPI.MASTER, baudrate=9600, polarity=1, phase=0,firstbit=SPI.MSB)

Takes 2 arguments: sbi and ss

wave = AD9833(spi,ss)

Set the frequency

wave.set_freq(14500)

Set the wave type: 0 for sin 1 for square 2 for triangle

wave.set_type(2)

Finally, send command to the AD9833

wave.send()

You can also get some useful information

print(wave.shape_type)
print(wave.freq)