"""
Reads AIN channels on T7 LabJack with a MUX80 multiplexer.
The AIN channels are sampled in differential mode.
"""

from labjack import ljm
from time import sleep
from time import localtime, strftime
import logging

# Open first found T7 LabJack
handle = ljm.openS("T7", "USB", "ANY")

info = ljm.getHandleInfo(handle)
print("Opened a LabJack with Device type: %i, Connection type: %i,\n" \
   	"Serial number: %i, IP address: %s, Port: %i,\nMax bytes per MB: %i" % \
    	(info[0], info[1], info[2], ljm.numberToIP(info[3]), info[4], info[5]))

# Setup and call eWriteNames to configure AINs on the LabJack.
numChannels = 32
numFrames = numChannels*3
# Generate lists with channel number pairings which
# match the MUX80 data sheet for Differential readings
pChan = range(48,56)+range(64,72)+range(80,88)+range(96,104)
nChan = range(56,64)+range(72,80)+range(88,96)+range(104,112)

#Set up the channels
names = []
aValues = []
for p in pChan:
	names = names+["AIN%d_NEGATIVE_CH"%p, "AIN%d_RANGE"%p, "AIN%d_RESOLUTION_INDEX"%p]
for n in nChan:
	aValues = aValues+[n, 10, 0]  #+/-10V range with default resolution
ljm.eWriteNames(handle, numFrames, names, aValues)

#List of analog input names
ChanNames = []
for p in pChan:
	ChanNames = ChanNames+["AIN%d"%p]

results = ljm.eReadNames(handle, numChannels, ChanNames) #Get AIN values
print results
print results[31-1]
ljm.close(handle)