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remove hard-coded can ids

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This commit is contained in:
Yeongdo Park 2020-10-06 18:14:19 -07:00
parent cc2ff6901d
commit 65201ad875
2 changed files with 13 additions and 10 deletions
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21
Main.py
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@ -7,10 +7,13 @@ from PCANBasic import TPCANTimestamp, TPCANMsg
#import matplotlib.pyplot as plt #import matplotlib.pyplot as plt
#import numpy as np #import numpy as np
# Initialize PCAN device and set filter for incoming messages with ID 1979 id_response = 0x7BB
id_periodic = 0x1DB
# Initialize PCAN device and set filter for incoming messages with ID id_response
PCAN = PCANBasic() PCAN = PCANBasic()
res = PCAN.Initialize(PCAN_USBBUS1, PCAN_BAUD_500K) res = PCAN.Initialize(PCAN_USBBUS1, PCAN_BAUD_500K)
#PCAN.FilterMessages(PCAN_USBBUS1, 1979, 1979, PCAN_MESSAGE_STANDARD) #PCAN.FilterMessages(PCAN_USBBUS1, id_response, id_response, PCAN_MESSAGE_STANDARD)
filename = input("Please Enter a File Name: ") filename = input("Please Enter a File Name: ")
@ -18,8 +21,8 @@ filename = input("Please Enter a File Name: ")
while True: while True:
# Filters messages so we only get cell voltage data # Filters messages so we only get cell voltage data
PCAN.Reset(PCAN_USBBUS1) PCAN.Reset(PCAN_USBBUS1)
PCAN.FilterMessages(PCAN_USBBUS1, 1979, 1979, PCAN_MESSAGE_STANDARD) PCAN.FilterMessages(PCAN_USBBUS1, id_response, id_response, PCAN_MESSAGE_STANDARD)
PCAN.FilterMessages(PCAN_USBBUS1, 475, 475, PCAN_MESSAGE_STANDARD) PCAN.FilterMessages(PCAN_USBBUS1, id_periodic, id_periodic, PCAN_MESSAGE_STANDARD)
# Create empty list for cell voltage message strings # Create empty list for cell voltage message strings
# Each entry in the list is a message containing the voltage information # Each entry in the list is a message containing the voltage information
@ -42,7 +45,7 @@ while True:
while v_message: while v_message:
MSG = PCAN.Read(PCAN_USBBUS1) MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1] MSG = MSG[1]
if MSG.ID == 1979: if MSG.ID == id_response:
v_message = False v_message = False
# For the remaining voltages, the cell voltage data is contained in bytes 1 - 7 # For the remaining voltages, the cell voltage data is contained in bytes 1 - 7
# Concatenate byte strings # Concatenate byte strings
@ -55,14 +58,14 @@ while True:
# Filter messages for pack voltage and current # Filter messages for pack voltage and current
#PCAN.Reset(PCAN_USBBUS1) #PCAN.Reset(PCAN_USBBUS1)
#time.sleep(.005) #time.sleep(.005)
#PCAN.FilterMessages(PCAN_USBBUS1, 475, 475, PCAN_MESSAGE_STANDARD) #PCAN.FilterMessages(PCAN_USBBUS1, id_periodic, id_periodic, PCAN_MESSAGE_STANDARD)
#time.sleep(.050) #time.sleep(.050)
p_message = True p_message = True
while p_message: while p_message:
MSG = PCAN.Read(PCAN_USBBUS1) MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1] MSG = MSG[1]
if MSG.ID == 475: if MSG.ID == id_periodic:
p_message = False p_message = False
voltage_byte1 = "{0:08b}".format(MSG.DATA[2]) voltage_byte1 = "{0:08b}".format(MSG.DATA[2])
@ -84,7 +87,7 @@ while True:
#PCAN.Reset(PCAN_USBBUS1) #PCAN.Reset(PCAN_USBBUS1)
#time.sleep(.005) #time.sleep(.005)
#PCAN.FilterMessages(PCAN_USBBUS1, 1979, 1979, PCAN_MESSAGE_STANDARD) #PCAN.FilterMessages(PCAN_USBBUS1, id_response, id_response, PCAN_MESSAGE_STANDARD)
group1_msg = [] group1_msg = []
for i in range(0, 5): for i in range(0, 5):
@ -97,7 +100,7 @@ while True:
while p_message: while p_message:
MSG = PCAN.Read(PCAN_USBBUS1) MSG = PCAN.Read(PCAN_USBBUS1)
MSG = MSG[1] MSG = MSG[1]
if MSG.ID == 1979: if MSG.ID == id_response:
p_message = False p_message = False
group1_msg.append(MSG) group1_msg.append(MSG)

2
ProcessList.py
View file

@ -6,7 +6,7 @@ def process_list(v):
v_string = "".join(v[0:29])[3*8:] v_string = "".join(v[0:29])[3*8:]
# Create an empty list to store the voltage of each cell # Create an empty list to store the voltage of each cell
voltages = [0.0] * 97 voltages = [0.0] * 96
for i in range(0, 96): for i in range(0, 96):
# Each cell has a 16 bit value. Extract the next 16 bits and convert it into a float # Each cell has a 16 bit value. Extract the next 16 bits and convert it into a float
voltages[i] = float(int(v_string[(i*16):(i*16+16)], 2)) voltages[i] = float(int(v_string[(i*16):(i*16+16)], 2))