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Parsing module data and bms profile

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This commit is contained in:
Yeongdo Park 2020-08-06 15:04:09 -07:00
parent af02a25615
commit 333fc6f83d
1 changed files with 67 additions and 41 deletions
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108
BmsApp.py
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@ -11,6 +11,9 @@ import cantools
db = cantools.database.load_file('res/EBUS_Host.dbc')
nModule = 22
nCell = 12
from BmsView import BmsMonitorFrame
def parse_can_id (arbitration_id):
@ -52,15 +55,20 @@ def findCategory (imsg, isignal):
return "moduledata"
else:
print("undefined category ", hex(imsg))
# print("undefined category ", hex(imsg))
return "undefined"
cat_propgrid = ["bmsprofile", "packprofile", "packdata", "packalarms",]
tohex = "{:#04X}-".format
class BmsMonitorView(BmsMonitorFrame):
def __init__(self, *args, **kwds):
BmsMonitorFrame.__init__(self, *args, **kwds)
self.battery_module_state = [{} for i in range(nModule)]
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.OnTimer, self.timer)
@ -73,7 +81,6 @@ class BmsMonitorView(BmsMonitorFrame):
# bms_model = wx.propgrid.StringProperty(label="Model", name="bms_model", value="B3DWER32EW")
# self.property_grid_page_info.AppendIn("packdata", bms_model)
tohex = "{:#04X}-".format
for msg in db.messages:
tag, id, type = parse_can_id(msg.frame_id)
@ -85,10 +92,7 @@ class BmsMonitorView(BmsMonitorFrame):
for isig, signal in enumerate(msg.signals):
plabel = tohex(type)+signal.name
if signal.is_float:
prop = wx.propgrid.FloatProperty(label=plabel)
else:
prop = wx.propgrid.IntProperty(label=plabel)
prop = wx.propgrid.StringProperty(label=plabel)
prop.SetHelpString(signal.comment)
cat = findCategory(msg.frame_id, isig)
@ -122,53 +126,75 @@ class BmsMonitorView(BmsMonitorFrame):
event.Skip()
def __update_bm_state(self, dmsg):
imodule = dmsg['BatS_Cell_ModuleNo']
for k in dmsg:
self.battery_module_state[imodule][k] = dmsg[k]
def GetModuleVoltage(self, module_dict):
keyString='BatS_Cell{}_V'
return [module_dict.get(keyString.format(x), -1) for x in range(nCell)]
def GetModuleBalState(self, module_dict):
keyString='BatS_Cell{}_BalState'
return [module_dict.get(keyString.format(x), -1) for x in range(nCell)]
def OnTimer(self, event):
# print("Read CAN Message!")
msg = self.bus.recv(timeout=1.)
mtag, mid, mtype = parse_can_id(msg.frame_id)
if 0x07 <= mtype <= 0x0b:
try:
dmsg = self.candb.decode_message(msg.arbitration_id, msg.data)
except KeyError as key:
print(key, " does not exist")
else:
print(hex(mtag), hex(mid), hex(mtype), msg.data, dmsg)
self.__update_bm_state(dmsg)
fullid = msg.arbitration_id
mtag, mid, mtype = parse_can_id(msg.arbitration_id)
dbmsg = db.get_message_by_frame_id(msg.arbitration_id)
for k in self.battery_module_state[0]:
if self.property_grid_1.GetProperty(k):
self.property_grid_1.SetPropertyValue(k, self.battery_module_state[0][k])
else:
self.property_grid_1.Append(wx.propgrid.StringProperty(label=k, value=str(self.battery_module_state[0][k])))
master_id = int(self.choice_1.GetStringSelection())
master_id = int(self.choice_1.GetStringSelection(), 16)
if mid == master_id:
if findCategory(msg.frame_id, 0) == "bmsprofile":
prop = wx.propgrid.StringProperty(label=msg.name)
self.property_grid_page_info.AppendIn("bmsprofile", prop)
for isig, signal in enumerate(msg.signals):
plabel = tohex(type) + signal.name
if signal.is_float:
prop = wx.propgrid.FloatProperty(label=plabel)
if findCategory(fullid, 0) == "moduledata":
try:
dmsg = db.decode_message(msg.arbitration_id, msg.data)
except KeyError as key:
print(key, " does not exist")
else:
prop = wx.propgrid.IntProperty(label=plabel)
prop.SetHelpString(signal.comment)
self.__update_bm_state(dmsg)
cat = findCategory(msg.frame_id, isig)
elif findCategory(fullid, 0) == "bmsprofile":
try:
print ("bmsprofile message raw", (dbmsg.name), msg.data, msg.data.decode())
except UnicodeDecodeError:
print ("bmsprofile message raw", (dbmsg.name), msg.data, int.from_bytes(msg.data, byteorder="big"))
if cat in cat_propgrid:
self.property_grid_page_info.AppendIn(cat, prop)
if self.property_grid_page_info.GetProperty(dbmsg.name):
self.property_grid_page_info.SetPropertyValue(dbmsg.name, msg.data.decode())
else:
dmsg = db.decode_message(msg.arbitration_id, msg.data)
for isig, signal in enumerate(dbmsg.signals):
plabel = tohex(mtype) + signal.name
cat = findCategory(fullid, isig)
if cat in cat_propgrid:
if self.property_grid_page_info.GetProperty(plabel):
# print (plabel, dmsg[signal.name])
value = float(dmsg[signal.name]) if signal.is_float else dmsg[signal.name]
self.property_grid_page_info.SetPropertyValue(plabel, value)
else:
pass
# print (plabel, " is Not Available")
'''
if tag == 0x14180 and id == 0x2 and 0x00 <= type <= 0x06: # BMS Profile
self.property_grid_page_info.AppendIn("bmsprofile", prop)
if tag == 0x14180 and id == 0x2 and 0x10 <= type <= 0x20: # Pack Profile and Data
self.property_grid_page_info.AppendIn("packdata", prop)
'''
if tag == 0x14180 and id == 0x2 and 0x00 <= type <= 0x06: # BMS Profile
self.property_grid_page_info.AppendIn("bmsprofile", prop)
if tag == 0x14180 and id == 0x2 and 0x10 <= type <= 0x20: # Pack Profile and Data
self.property_grid_page_info.AppendIn("packdata", prop)
'''
i_module = self.spin_ctrl_1.GetValue()
module_dict = self.battery_module_state[i_module]
voltages = self.GetModuleVoltage(module_dict)
bal_states = self.GetModuleBalState(module_dict)
for i in range(nCell):
self.grid_1.SetCellValue(i, 0, str(voltages[i]))
self.grid_1.SetCellValue(i, 2, str(bal_states[i]))
event.Skip()