def __init__(self, com_port='COM5', baudrate=115200):
self.com_port = com_port
self.baudrate = baudrate
try:
self.imu = EzAsyncData.connect(self.com_port, self.baudrate)
except:
print('Communication with IMU failed')
return
def change_baudrate(self, baudrate):
'''
change baudrate of imu
'''
self.baudrate = baudrate
self.imu.sensor.change_baudrate(self.baudrate)
self.imu.sensor.disconnect()
try:
self.imu = EzAsyncData.connect(self.com_port, self.baudrate)
except:
print('Tried to change IMU baudrate to', self.baudrate,
'...could not reconnect to IMU')
return
## To use the acceleration measured to #####
## find the distance for the VN sensor #####
#############################################
from vnpy import EzAsyncData
#from influxdb import InfluxDBClient
import datetime
import v2.py
from time import sleep
# Connect to Database
#client = InfluxDBClient('localhost', 8086, 'root', 'root', 'example')
#client.create_database('example')
# Connect to VectorNav
ez = EzAsyncData.connect('/dev/ttyUSB0', 115200)
# Run until the script is terminated
while True:
json_points = []
before = datetime.datetime.now()
#while (datetime.datetime.now() - before).total_seconds() < 1:
# Get the next batch of data
cd = ez.next_data()
time = datetime.datetime.utcnow()
####to call acceleration from v2
if cd.has_acceleration:
json_points.append({
"measurement": "acceleration",
print('Step mode pan axis: ', ptu.read('wp '))
print('Step mode tilt axis: ', ptu.read('wt '))
print('')
#Set PTU to microstep mode
ptu.set_microstep()
# Example 1) Point PTU at sun
# Need ephemeris data to point at sun
ep = ephem.Observer()
#Set latitude, longitude and altitude to Blacksburg, VA
ptu.lat, ptu.lon, ptu.alt = '37.205144', '-80.417560', 634
ptu.utc_off = 4 #Set UTC time offset of EST
#Connect to IMU to get offset from magnetic North
imu = EzAsyncData.connect('COM7', 115200)
ptu.ephem_point(ep, imu=imu, target='sun')
input('Press any key when PTU is pointed at the sun')
#
#
# #Track the sun for approximately 10 seconds using ephemeris data
# cnt=0
# track_time = 10
#
# #Make sure ptu is pointed at sun to start
# ptu.ephem_point(ep,target='sun')
# input('Press any key when PTU is pointed at the sun')
#
# #Begin tracking loop
# while cnt < track_time: