/Modules/Mechanical/WINDGAUGE01A/SW/wind_gauge.py
67,31 → 67,37
try:
angles = np.zeros(5)
angles[4] = sensor.get_angle(verify = False)
time.sleep(0.1)
time.sleep(0.01)
angles[3] = sensor.get_angle(verify = False)
time.sleep(0.1)
time.sleep(0.01)
angles[2] = sensor.get_angle(verify = False)
time.sleep(0.1)
time.sleep(0.01)
angles[1] = sensor.get_angle(verify = False)
n = 0
speed = 0
AVERAGING = 50
 
while True:
time.sleep(0.1)
angles[0] = sensor.get_angle(verify = False)
if (angles[0] + n*360 - angles[1]) > 300:
n -= 1
angles[0] = angles[0] + n*360
elif -(angles[0] - n*360 - angles[1]) > 300: # compute angular speed in backward direction.
n += 1
angles[0] = angles[0] - n*360
else:
angles[0] = angles[0] + n*360
speed = (-angles[4] + 8*angles[3] - 8*angles[1] + angles[0])/12
angles = np.roll(angles, 1)
sys.stdout.write("Speed: " + str(speed) +"\t"+ str(angles[0]) + "\r\n")
sys.stdout.flush()
for i in range(AVERAGING):
time.sleep(0.01)
angles[0] = sensor.get_angle(verify = False)
if (angles[0] + n*360 - angles[1]) > 300:
n -= 1
angles[0] = angles[0] + n*360
 
elif (angles[0] + n*360 - angles[1]) < -300: # compute angular speed in backward direction.
n += 1
angles[0] = angles[0] + n*360
 
else:
angles[0] = angles[0] + n*360
speed += (-angles[4] + 8*angles[3] - 8*angles[1] + angles[0])/12
angles = np.roll(angles, 1)
 
speed = speed/AVERAGING # apply averaging on acummulated value.
print "Speed: %0.2f \t Total Angle: %0.2f \r\n" % (speed, angles[0])
 
except KeyboardInterrupt:
sys.exit(0)