7,6 → 7,8 |
import time |
import datetime |
import sys |
import os |
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from pymlab import config |
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#### Script Arguments ############################################### |
13,12 → 15,19 |
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if len(sys.argv) != 3: |
sys.stderr.write("Invalid number of arguments.\n") |
sys.stderr.write("Usage: %s PORT_ADDRESS LOG_FILE.csv\n" % (sys.argv[0], )) |
sys.stderr.write("Usage: %s PORT_ADDRESS SAMPLE_INTERVAL\n" % (sys.argv[0], )) |
sys.exit(1) |
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port = eval(sys.argv[1]) |
log_file = sys.argv[2] |
interval = eval(sys.argv[2]) |
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if (interval<5) or (interval>3600): |
sys.stderr.write("Invalid sample interval arguments.\n") |
sys.stderr.write("The interval has to be in the range from 5 to 3600 seconds\n") |
sys.exit(2) |
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#### Sensor Configuration ########################################### |
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cfg = config.Config( |
41,39 → 50,54 |
cfg.initialize() |
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print "Current loop sensor example \r\n" |
print "Time, channel #1, channel #2, channel #3 , channel #4 \r\n" |
print "Time, channel #1, channel #2, channel #3 , channel #4, channel #5 \r\n" |
sensor1 = cfg.get_device("current_sensor1") |
time.sleep(0.5) |
sensor2 = cfg.get_device("current_sensor2") |
#time.sleep(0.5) |
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#### Data Logging ################################################### |
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try: |
with open(log_file, "a") as f: |
while True: |
try: |
before = time.time()-interval |
while True: |
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filename = time.strftime("%Y%m%d%H", time.gmtime())+".csv" |
now = time.time() |
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if (now - before >= interval - 2.5): # 0.5*5 channels= 2.5s |
with open(filename, "a") as f: |
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sensor1.setADC(channel = 1, gain = 2, sample_rate = 3.75); |
time.sleep(0.5) |
channel1 = sensor1.readCurrent(); |
sensor1.setADC(channel = 1, gain = 1, sample_rate = 3.75); |
time.sleep(0.5) |
channel1 = sensor1.readCurrent(); |
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sensor1.setADC(channel = 2, gain = 1, sample_rate = 3.75); |
time.sleep(0.5) |
channel2 = sensor1.readCurrent(); |
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sensor1.setADC(channel = 3, gain = 1, sample_rate = 3.75); |
time.sleep(0.5) |
channel3 = sensor1.readCurrent(); |
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sensor1.setADC(channel = 4, gain = 1, sample_rate = 3.75); |
time.sleep(0.5) |
channel4 = sensor1.readCurrent(); |
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sensor2.setADC(channel = 1, gain = 1, sample_rate = 3.75); |
time.sleep(0.5) |
channel5 = sensor2.readCurrent(); |
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sensor1.setADC(channel = 2, gain = 1, sample_rate = 15); |
time.sleep(0.5) |
channel2 = sensor1.readCurrent(); |
sys.stdout.write("%s \t %0.3f \t %0.3f \t %0.3f \t %0.3f \t %0.3f \n" % (datetime.datetime.now().isoformat(), channel1, channel2, channel3, channel4, channel5)) |
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sensor1.setADC(channel = 3, gain = 1, sample_rate = 15); |
time.sleep(0.5) |
channel3 = sensor1.readCurrent(); |
f.write("%d\t%0.3f\t%0.3f\t%0.3f\t%0.3f\t%0.3f\n" % (time.time(), channel1, channel2, channel3, channel4, channel5)) |
f.flush() |
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sensor1.setADC(channel = 4, gain = 1, sample_rate = 15); |
time.sleep(0.5) |
channel4 = sensor1.readCurrent(); |
sys.stdout.flush() |
before = time.time() |
else: |
time.sleep(0.1) |
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sys.stdout.write("%s \t %0.3f \t %0.3f \t %0.3f \t %0.3f \n" % (datetime.datetime.now().isoformat(), channel1, channel2, channel3, channel4)) |
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f.write("%d\t%d\t%d\t%d\t%d\n" % (time.time(), channel1, channel2, channel3, channel4)) |
f.flush() |
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sys.stdout.flush() |
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except KeyboardInterrupt: |
f.close() |
sys.exit(0) |