#!/usr/bin/env python

#Created 3/2/22 by Tega Edo
'''Script to emulate XGS-600 controller using laptop USBserial port'''

import serial
import sys,os,math,time

ser = serial.Serial('/dev/cu.usbserial-1410') # open serial port 

print("\n----- Listen for USBserial command and asynchronously send data in XGS600 format -----\n")
idx = 0
while True:
    try:
        idx = idx + 1
        data = ">{:.3E},NOCBL    ,NOCBL    ,NOCBL    ,{:.2E},NOCBL\r".format(idx%1000,(idx+1)%1000)
        time.sleep(1)
        response = ser.read(ser.inWaiting())
        print("Command received from c1vac [{}] : ".format(idx) + response.decode().replace("\r","\\r") + "\n")

        ser.write(data.encode())
        print("Data sent to c1vac [{}] : ".format(idx) + data.encode().decode().replace("\r","\\r") )
        
    except Exception as err:
        print('{}: {}'.format(type(err), err))
        break
ser.close()