ess-bms-work/nissan-leaf-reader
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looking good

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This commit is contained in:
sean 2019-05-23 19:04:54 -07:00
parent 2b69be2874
commit d0b507d6d9
2 changed files with 16 additions and 34 deletions
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38
Main.py
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@ -13,43 +13,25 @@ while True:
v = []
time.sleep(.005)
PCAN.Write(PCAN_USBBUS1, Messages.rCellVInit)
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)
if MSG.ID == 0x7bb:
cellMessage = True
print("out of loop")
time.sleep(.01)
MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1]
print(MSG.ID)
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("*************** i = #%s " % i)
#time.sleep(.016)
time.sleep(.001)
PCAN.Write(PCAN_USBBUS1, Messages.rCellV)
#print("message sent")
cellMessage = False
while (cellMessage == False):
time.sleep(.001)
MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1]
if MSG.ID != 0:
print(MSG.ID)
time.sleep(.010)
if MSG.ID == 0x7bb:
cellMessage = True
print("true!")
time.sleep(.01)
MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1]
print(MSG.ID)
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)
process_list(v)

12
ProcessList.py
View file

@ -1,30 +1,30 @@
from math import ceil
def processList(v):
def process_list(v):
voltages = []
voltages[0] = v[0] & 0x00000000ffff0000
voltages[1] = v[1] & 0x000000000000ffff
for i in range(1, 27):
if i%2 == 1:
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))] = 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:
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) - 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]))
print("Cell " + str(i + 1) + "= %.2f" % (voltages[i]))
return