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Finally working?

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This commit is contained in:
sean 2019-05-23 18:54:00 -07:00
parent 562b9ba31b
commit 2b69be2874
5 changed files with 75 additions and 23 deletions
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32
Main.py
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@ -1,47 +1,55 @@
import Messages
import time
import processString
from ProcessList import processList
from PCANBasic import *
from PCANBasic import TPCANTimestamp, TPCANMsg
PCAN = PCANBasic() # type: PCANBasic
res = PCAN.Initialize(PCAN_USBBUS1, PCAN_BAUD_500K)
PCAN.FilterMessages(PCAN_USBBUS1, 1979, 1979, PCAN_MESSAGE_STANDARD)
while True:
print("new")
v = ""
v = []
time.sleep(.005)
PCAN.Write(PCAN_USBBUS1, Messages.rCellVInit)
#time.sleep(.050)
cellMessage = False # type: bool
cellMessage = False
# Keep reading messages until a cell voltage message is received
while (cellMessage == False):
print("in loop")
time.sleep(.016)
MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1]
#print(MSG.ID)
print(MSG.ID)
if MSG.ID == 0x7bb:
cellMessage = True
print("out of loop")
v = "%s%s%s%s" % (MSG.DATA[4], MSG.DATA[5], MSG.DATA[6], MSG.DATA[7])
s = "%s%s%s%s" % (MSG.DATA[4], MSG.DATA[5], MSG.DATA[6], MSG.DATA[7])
v.append(int(s))
print(v)
#PCAN.Write(PCAN_USBBUS1, Messages.rCellV)
for i in range(0, 28):
print("in for #%s " % i)
print("*************** i = #%s " % i)
#time.sleep(.016)
PCAN.Write(PCAN_USBBUS1, Messages.rCellV)
#print("message sent")
cellMessage = False
while (cellMessage == False):
time.sleep(.5)
time.sleep(.001)
MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1]
print(MSG.ID)
if MSG.ID != 0:
print(MSG.ID)
time.sleep(.010)
if MSG.ID == 0x7bb:
cellMessage = True
print("true!")
v = v + "%s%s%s%s%s%s%s" % (MSG.DATA[1], MSG.DATA[2], MSG.DATA[3], MSG.DATA[4], MSG.DATA[5], MSG.DATA[6], MSG.DATA[7])
s = s + "%s%s%s%s%s%s%s" % (MSG.DATA[1], MSG.DATA[2], MSG.DATA[3], MSG.DATA[4], MSG.DATA[5], MSG.DATA[6], MSG.DATA[7])
v.append(int(s))
print(v)
print(len(v))
#processString(v)
processString(v)

3
Messages.py
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@ -1,5 +1,4 @@
from PCANBasic import *
import array
rCellVInit = TPCANMsg()
@ -8,7 +7,7 @@ rCellVInit.MSGTYPE = 0x00
rCellVInit.LEN = 8
rCellVInit.DATA[0] = 0x02
rCellVInit.DATA[1] = 0x21
rCellVInit.DATA[2] = 0x04
rCellVInit.DATA[2] = 0x02
rCellVInit.DATA[3] = 0x00
rCellVInit.DATA[4] = 0x00
rCellVInit.DATA[5] = 0x00

30
ProcessList.py Normal file
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@ -0,0 +1,30 @@
from math import ceil
def processList(v):
voltages = []
voltages[0] = v[0] & 0x00000000ffff0000
voltages[1] = v[1] & 0x000000000000ffff
for i in range(1, 27):
if i%2 == 1:
v1 = (v[i] & 0x00ffff0000000000) >> 40
v2 = (v[i] & 0x000000ffff000000) >> 20
v3 = (v[i] & 0x0000000000ffff00) >> 8
vh = v[i] & 0x00000000000000ff
voltages[ceil(2 + 3.5 (i - 1))] = v1
voltages[ceil(2 + 3.5 * (i - 1) + 1)] = v2
voltages[ceil(2 + 3.5 * (i - 1) + 2)] = v3
voltages[ceil(2 + 3.5 * (i - 1) + 3)] = vh << 8
elif i%2 == 0:
vh = (v[i] & 0x00ff000000000000) >> 48
v1 = (v[i] & 0x0000ffff00000000) >> 28
v2 = (v[i] & 0x00000000ffff0000) >> 16
v3 = v[i] & 0x000000000000ffff
voltages[ceil(2 + 3.5 * (i - 1) - 1)] = voltages[ceil(2 + 3.5 * (i -1 ) - 1)] & vh
voltages[ceil(2 + 3.5 * (i - 1))] = v1
voltages[ceil(2 + 3.5 * (i - 1) + 1)] = v2
voltages[ceil(2 + 3.5 * (i - 1) + 2)] = v3
voltages[96] = voltages[96] & ((v[28] & 0x00ff000000000000) >> 48)
for i in range(0, 95):
print("Cell " + str(z + 1) + "= %.2f" % (voltages[i]))
return

24
plotVoltages.py Normal file
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@ -0,0 +1,24 @@
import matplotlib.pyplot as plt
import time
def plotVoltages(vList):
if ~plt.fignum_exists(1):
print("true")
plt.ylabel("Voltage (V)")
plt.xlabel("Cell Number")
plt.bar(vList, [1,2,3,4])
plt.show()
else:
plt.clf()
plt.draw()
return
x = [1, 2, 3, 4]
plotVoltages(x)
time.sleep(3)
plt.clf()
x = [4,3,2,1]
plotVoltages(x)

9
processString.py
View file

@ -1,9 +0,0 @@
def processString(s):
voltages = []
for i in range(0, 96):
x = s[i*4:i*4+4]
x = int(x, 16)/100
voltages.append(x)
for z in range(0, 96):
print("Cell " + str(z + 1) + "= %.2f" % (voltages[z]))
return