ST Spin Family Interface
A Python library for interfacing with ST Spin Family devices, specifically the ST Micro L6470, L6472, L6474, and L6480 ICs.
Currently this project has a single dependency: spidev.
Getting Started
Add stspin to your list of requirements and install.
Create a device chain
import time # Used in our example
from stspin import (
SpinChain,
StCommand,
StRegister,
StConstant,
)
device_chain = SpinChain(
total_devices=3,
spi_select=(0, 0)
)
This assumes the spi device is at 0, 0.
Create devices
motor_main = device_chain.create_device(0)
motor_secondary = device_chain.create_device(1)
In our example, there are three devices in the chain, and device 0 is furthest along the chain from the controlling IC's MOSI pin.
Run basic commands
motor_main.hiZHard() # It is good practice to set device into HiZ-State before setting parameters
motor_main.setRegister(StRegister.SpeedMax, 0x022)
motor_main.move(steps=2200)
while motor_main.isBusy():
pass
motor_main.setDirection(StConstant.DirReverse)
motor_main.run(220)
time.sleep(3)
motor_main.stopSoft()
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