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Import CRC function, calculate length
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Jbsco committed Aug 31, 2024
1 parent 9b73651 commit 2b86ad4
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74 changes: 74 additions & 0 deletions test/scripts/crc_16.py
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_low_crc = [
0x00, 0x21, 0x42, 0x63, 0x84, 0xa5, 0xc6, 0xe7, 0x08, 0x29, 0x4a, 0x6b, 0x8c,
0xad, 0xce, 0xef, 0x31, 0x10, 0x73, 0x52, 0xb5, 0x94, 0xf7, 0xd6, 0x39, 0x18,
0x7b, 0x5a, 0xbd, 0x9c, 0xff, 0xde, 0x62, 0x43, 0x20, 0x01, 0xe6, 0xc7, 0xa4,
0x85, 0x6a, 0x4b, 0x28, 0x09, 0xee, 0xcf, 0xac, 0x8d, 0x53, 0x72, 0x11, 0x30,
0xd7, 0xf6, 0x95, 0xb4, 0x5b, 0x7a, 0x19, 0x38, 0xdf, 0xfe, 0x9d, 0xbc, 0xc4,
0xe5, 0x86, 0xa7, 0x40, 0x61, 0x02, 0x23, 0xcc, 0xed, 0x8e, 0xaf, 0x48, 0x69,
0x0a, 0x2b, 0xf5, 0xd4, 0xb7, 0x96, 0x71, 0x50, 0x33, 0x12, 0xfd, 0xdc, 0xbf,
0x9e, 0x79, 0x58, 0x3b, 0x1a, 0xa6, 0x87, 0xe4, 0xc5, 0x22, 0x03, 0x60, 0x41,
0xae, 0x8f, 0xec, 0xcd, 0x2a, 0x0b, 0x68, 0x49, 0x97, 0xb6, 0xd5, 0xf4, 0x13,
0x32, 0x51, 0x70, 0x9f, 0xbe, 0xdd, 0xfc, 0x1b, 0x3a, 0x59, 0x78, 0x88, 0xa9,
0xca, 0xeb, 0x0c, 0x2d, 0x4e, 0x6f, 0x80, 0xa1, 0xc2, 0xe3, 0x04, 0x25, 0x46,
0x67, 0xb9, 0x98, 0xfb, 0xda, 0x3d, 0x1c, 0x7f, 0x5e, 0xb1, 0x90, 0xf3, 0xd2,
0x35, 0x14, 0x77, 0x56, 0xea, 0xcb, 0xa8, 0x89, 0x6e, 0x4f, 0x2c, 0x0d, 0xe2,
0xc3, 0xa0, 0x81, 0x66, 0x47, 0x24, 0x05, 0xdb, 0xfa, 0x99, 0xb8, 0x5f, 0x7e,
0x1d, 0x3c, 0xd3, 0xf2, 0x91, 0xb0, 0x57, 0x76, 0x15, 0x34, 0x4c, 0x6d, 0x0e,
0x2f, 0xc8, 0xe9, 0x8a, 0xab, 0x44, 0x65, 0x06, 0x27, 0xc0, 0xe1, 0x82, 0xa3,
0x7d, 0x5c, 0x3f, 0x1e, 0xf9, 0xd8, 0xbb, 0x9a, 0x75, 0x54, 0x37, 0x16, 0xf1,
0xd0, 0xb3, 0x92, 0x2e, 0x0f, 0x6c, 0x4d, 0xaa, 0x8b, 0xe8, 0xc9, 0x26, 0x07,
0x64, 0x45, 0xa2, 0x83, 0xe0, 0xc1, 0x1f, 0x3e, 0x5d, 0x7c, 0x9b, 0xba, 0xd9,
0xf8, 0x17, 0x36, 0x55, 0x74, 0x93, 0xb2, 0xd1, 0xf0
]

_high_crc = [
0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x81, 0x91, 0xa1, 0xb1, 0xc1,
0xd1, 0xe1, 0xf1, 0x12, 0x02, 0x32, 0x22, 0x52, 0x42, 0x72, 0x62, 0x93, 0x83,
0xb3, 0xa3, 0xd3, 0xc3, 0xf3, 0xe3, 0x24, 0x34, 0x04, 0x14, 0x64, 0x74, 0x44,
0x54, 0xa5, 0xb5, 0x85, 0x95, 0xe5, 0xf5, 0xc5, 0xd5, 0x36, 0x26, 0x16, 0x06,
0x76, 0x66, 0x56, 0x46, 0xb7, 0xa7, 0x97, 0x87, 0xf7, 0xe7, 0xd7, 0xc7, 0x48,
0x58, 0x68, 0x78, 0x08, 0x18, 0x28, 0x38, 0xc9, 0xd9, 0xe9, 0xf9, 0x89, 0x99,
0xa9, 0xb9, 0x5a, 0x4a, 0x7a, 0x6a, 0x1a, 0x0a, 0x3a, 0x2a, 0xdb, 0xcb, 0xfb,
0xeb, 0x9b, 0x8b, 0xbb, 0xab, 0x6c, 0x7c, 0x4c, 0x5c, 0x2c, 0x3c, 0x0c, 0x1c,
0xed, 0xfd, 0xcd, 0xdd, 0xad, 0xbd, 0x8d, 0x9d, 0x7e, 0x6e, 0x5e, 0x4e, 0x3e,
0x2e, 0x1e, 0x0e, 0xff, 0xef, 0xdf, 0xcf, 0xbf, 0xaf, 0x9f, 0x8f, 0x91, 0x81,
0xb1, 0xa1, 0xd1, 0xc1, 0xf1, 0xe1, 0x10, 0x00, 0x30, 0x20, 0x50, 0x40, 0x70,
0x60, 0x83, 0x93, 0xa3, 0xb3, 0xc3, 0xd3, 0xe3, 0xf3, 0x02, 0x12, 0x22, 0x32,
0x42, 0x52, 0x62, 0x72, 0xb5, 0xa5, 0x95, 0x85, 0xf5, 0xe5, 0xd5, 0xc5, 0x34,
0x24, 0x14, 0x04, 0x74, 0x64, 0x54, 0x44, 0xa7, 0xb7, 0x87, 0x97, 0xe7, 0xf7,
0xc7, 0xd7, 0x26, 0x36, 0x06, 0x16, 0x66, 0x76, 0x46, 0x56, 0xd9, 0xc9, 0xf9,
0xe9, 0x99, 0x89, 0xb9, 0xa9, 0x58, 0x48, 0x78, 0x68, 0x18, 0x08, 0x38, 0x28,
0xcb, 0xdb, 0xeb, 0xfb, 0x8b, 0x9b, 0xab, 0xbb, 0x4a, 0x5a, 0x6a, 0x7a, 0x0a,
0x1a, 0x2a, 0x3a, 0xfd, 0xed, 0xdd, 0xcd, 0xbd, 0xad, 0x9d, 0x8d, 0x7c, 0x6c,
0x5c, 0x4c, 0x3c, 0x2c, 0x1c, 0x0c, 0xef, 0xff, 0xcf, 0xdf, 0xaf, 0xbf, 0x8f,
0x9f, 0x6e, 0x7e, 0x4e, 0x5e, 0x2e, 0x3e, 0x0e, 0x1e
]


def crc_16(byte_array, seed=[0xFF, 0xFF]):
"""
16-bit CRC:
Uses CCITT CRC polynomial: X^16 + X^12 + X^5 + 1.
The accepted start value is 0xffff.
"""
high_parity = seed[0]
low_parity = seed[1]
for byte in list(byte_array):
k = byte ^ high_parity
high_parity = low_parity ^ _high_crc[k]
low_parity = _low_crc[k]
return [high_parity, low_parity]


def checksum_16(byte_array, seed=[0x00, 0x00]):
"""Simple 16-bit checksum."""
assert (
len(byte_array) % 2 == 0
), "Checksum 16 only works on even numbered byte arrays"
csum = seed[0] * 0x100 + seed[1]
for i in range(0, len(byte_array), 2):
csum += byte_array[i] * 0x100 + byte_array[i + 1]
csum %= 0x10000
return [int(csum / 0x100), csum % 0x100]
28 changes: 28 additions & 0 deletions test/scripts/test_setup.py
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from openc3.script import *

def test_setup():
# Clear counts and data products from prior tests:
cmd("Linux_Example Fault_Correction_Instance-Reset_Data_Products")
cmd("Linux_Example Ccsds_Command_Depacketizer_Instance-Reset_Counts")
cmd("Linux_Example Command_Router_Instance-Reset_Data_Products")

# Send Noop_Arg command expecting success:
cmd("Linux_Example Command_Router_Instance-Noop_Arg with Value 1")
# Check successful command count is 2 and that the last success was Noop_Arg with last Value 1:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Success_Count.Value == 2", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Successful_Command.Id == 3", 3)
print("Noop_Arg success OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Noop_Arg_Last_Value.Value == 1", 3)
print("Noop_Arg last Value OK")

# Send Noop command expecting failure:
cmd("Linux_Example Command_Router_Instance-Noop_Arg with Value 868")
# Check last failed command count was 1 and that it was Noop_Arg with last Value 1:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Failure_Count.Value == 1", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.ID == 3", 3)
print("Noop_Arg failure OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Noop_Arg_Last_Value.Value == 868", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.Status == 'FAILURE'", 3)
print("Noop_Arg last Value failure OK")

return True
140 changes: 57 additions & 83 deletions test/scripts/update-param-sys.py
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########################################################################
# This script is designed to function with OpenC3 COSMOS's Script Runner
########################################################################
from openc3.script import *
import struct
import struct, sys
sys.path.append('/plugins/DEFAULT/targets_modified')
import crc_16
import test_setup

# Clear counts and data products from prior tests:
cmd("Linux_Example Fault_Correction_Instance-Reset_Data_Products")
cmd("Linux_Example Ccsds_Command_Depacketizer_Instance-Reset_Counts")
cmd("Linux_Example Command_Router_Instance-Reset_Data_Products")
if test_setup.test_setup():

# Send Noop_Arg command expecting success:
cmd("Linux_Example Command_Router_Instance-Noop_Arg with Value 1")
# Check successful command count is 2 and that the last success was Noop_Arg with last Value 1:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Success_Count.Value == 2", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Successful_Command.Id == 3", 3)
print("Noop_Arg success OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Noop_Arg_Last_Value.Value == 1", 3)
print("Noop_Arg last Value OK")
#########################################################################
# If this point was reached then begin testing parameter update functions
#########################################################################

# Send Noop command expecting failure:
cmd("Linux_Example Command_Router_Instance-Noop_Arg with Value 868")
# Check last failed command count was 1 and that it was Noop_Arg with last Value 1:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Failure_Count.Value == 1", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.ID == 3", 3)
print("Noop_Arg failure OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Noop_Arg_Last_Value.Value == 868", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.Status == 'FAILURE'", 3)
print("Noop_Arg last Value failure OK")
# Build a parameter table using bytearrays:
# Osc_A_Freq
Test_Packed_Table = bytearray(struct.pack(">f", 0.30))
# Osc_A_Amp
Test_Packed_Table += bytearray(struct.pack(">f", 5.00))
# Osc_A_Off
Test_Packed_Table += bytearray(struct.pack(">f", 2.50))
# Osc_B_Freq
Test_Packed_Table += bytearray(struct.pack(">f", 0.30))
# Osc_B_Amp
Test_Packed_Table += bytearray(struct.pack(">f", -5.00))
# Osc_B_Off
Test_Packed_Table += bytearray(struct.pack(">f", -2.50))

#########################################################################
# If this point was reached then begin testing parameter update functions
#########################################################################
# Send nominal Update_Parameter_Table command expecting success:
cmd("Linux_Example", "Parameter_Manager_Instance-Update_Parameter_Table", {
"Header.Table_Buffer_Length": len(Test_Packed_Table),
"Header.Crc_Table": 19692,
"Table_Buffer": list(Test_Packed_Table)
})
# Check successful command count is 3 and that it was Update_Parameter_Table:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Success_Count.Value == 3", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Successful_Command.Id == 5200", 3)
print("Update_Parameter_Table success OK")

# Build a parameter table using bytearrays:
# Osc_A_Freq
Test_Packed_Table = bytearray(struct.pack(">f", 0.30))
# Osc_A_Amp
Test_Packed_Table += bytearray(struct.pack(">f", 5.00))
# Osc_A_Off
Test_Packed_Table += bytearray(struct.pack(">f", 2.50))
# Osc_B_Freq
Test_Packed_Table += bytearray(struct.pack(">f", 0.30))
# Osc_B_Amp
Test_Packed_Table += bytearray(struct.pack(">f", -5.00))
# Osc_B_Off
Test_Packed_Table += bytearray(struct.pack(">f", -2.50))
# Version
Test_Packed_Table += bytearray(struct.pack(">f", 0.0))
# Crc_Table
Test_Packed_Table += bytearray(struct.pack(">h", 0))
# Buffer_Length
Test_Packed_Table += bytearray(struct.pack(">h", 55))
# Send test Update_Parameter_Table command with bad CRC expecting Memory_Region_Crc_Invalid, Parameter_Table_Copy_Failure,
# Working_Table_Update_Failure, and Command_Execution_Failure:
cmd("Linux_Example", "Parameter_Manager_Instance-Update_Parameter_Table", {
"Header.Table_Buffer_Length": len(Test_Packed_Table),
"Header.Crc_Table": 0,
"Table_Buffer": list(Test_Packed_Table)
})
# Check last failed command count was 2 and that it was Update_Parameter_Table with Status FAILURE:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Failure_Count.Value == 2", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.ID == 5200", 3)
print("Update_Parameter_Table failure OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.Status == 'FAILURE'", 3)
print("Update_Parameter_Table last Status FAILURE OK")

# Send nominal Update_Parameter_Table command expecting success:
cmd("Linux_Example", "Parameter_Manager_Instance-Update_Parameter_Table", {
"Header.Table_Buffer_Length": 24,
"Header.Crc_Table": 19692,
"Table_Buffer": list(Test_Packed_Table)
})
# Check successful command count is 3 and that it was Update_Parameter_Table:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Success_Count.Value == 3", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Successful_Command.Id == 5200", 3)
print("Update_Parameter_Table success OK")

# Send test Update_Parameter_Table command with bad CRC expecting Memory_Region_Crc_Invalid, Parameter_Table_Copy_Failure,
# Working_Table_Update_Failure, and Command_Execution_Failure:
cmd("Linux_Example", "Parameter_Manager_Instance-Update_Parameter_Table", {
"Header.Table_Buffer_Length": 24,
"Header.Crc_Table": 0,
"Table_Buffer": list(Test_Packed_Table)
})
# Check last failed command count was 2 and that it was Update_Parameter_Table with Status FAILURE:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Failure_Count.Value == 2", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.ID == 5200", 3)
print("Update_Parameter_Table failure OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.Status == 'FAILURE'", 3)
print("Update_Parameter_Table last Status FAILURE OK")

# Send test Update_Parameter_Table command with bad length expecting Memory_Region_Length_Mismatch, Parameter_Table_Copy_Failure,
# Working_Table_Update_Failure, and Command_Execution_Failure:
cmd("Linux_Example", "Parameter_Manager_Instance-Update_Parameter_Table", {
"Header.Table_Buffer_Length": 26,
"Header.Crc_Table": 19692,
"Table_Buffer": list(Test_Packed_Table)
})
# Check last failed command count was 3 and that it was Update_Parameter_Table with Status FAILURE:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Failure_Count.Value == 3", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.ID == 5200", 3)
print("Update_Parameter_Table failure OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.Status == 'FAILURE'", 3)
print("Update_Parameter_Table last Status FAILURE OK")
# Send test Update_Parameter_Table command with bad length expecting Memory_Region_Length_Mismatch, Parameter_Table_Copy_Failure,
# Working_Table_Update_Failure, and Command_Execution_Failure:
cmd("Linux_Example", "Parameter_Manager_Instance-Update_Parameter_Table", {
"Header.Table_Buffer_Length": len(Test_Packed_Table) + 1,
"Header.Crc_Table": 19692,
"Table_Buffer": list(Test_Packed_Table)
})
# Check last failed command count was 3 and that it was Update_Parameter_Table with Status FAILURE:
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Command_Failure_Count.Value == 3", 3)
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.ID == 5200", 3)
print("Update_Parameter_Table failure OK")
wait_check("Linux_Example Software_Status_Packet Command_Router_Instance.Last_Failed_Command.Status == 'FAILURE'", 3)
print("Update_Parameter_Table last Status FAILURE OK")
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