UoS³ Flight Computer Firmware
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pn9.c
1 #include "../../firmware.h"
2 #include "../../test.h"
3 
4 #define TEST_LENGTH 1024
5 
6 static uint8_t pn9_test[TEST_LENGTH] = { 0 };
7 static const uint8_t pn9_null_reference[TEST_LENGTH] = { 0 };
8 static const uint8_t pn9_code_reference[] = {
9  0xff, 0xe1, 0x1d, 0x9a, 0xed, 0x85, 0x33, 0x24, 0xea, 0x7a, 0xd2, 0x39, 0x70, 0x97, 0x57, 0x0a, 0x54, 0x7d, 0x2d, 0xd8,
10  0x6d, 0x0d, 0xba, 0x8f, 0x67, 0x59, 0xc7, 0xa2, 0xbf, 0x34, 0xca, 0x18, 0x30, 0x53, 0x93, 0xdf, 0x92, 0xec, 0xa7, 0x15,
11  0x8a, 0xdc, 0xf4, 0x86, 0x55, 0x4e, 0x18, 0x21, 0x40, 0xc4, 0xc4, 0xd5, 0xc6, 0x91, 0x8a, 0xcd, 0xe7, 0xd1, 0x4e, 0x09,
12  0x32, 0x17, 0xdf, 0x83, 0xff, 0xf0, 0x0e, 0xcd, 0xf6, 0xc2, 0x19, 0x12, 0x75, 0x3d, 0xe9, 0x1c, 0xb8, 0xcb, 0x2b, 0x05,
13  0xaa, 0xbe, 0x16, 0xec, 0xb6, 0x06, 0xdd, 0xc7, 0xb3, 0xac, 0x63, 0xd1, 0x5f, 0x1a, 0x65, 0x0c, 0x98, 0xa9, 0xc9, 0x6f,
14  0x49, 0xf6, 0xd3, 0x0a, 0x45, 0x6e, 0x7a, 0xc3, 0x2a, 0x27, 0x8c, 0x10, 0x20, 0x62, 0xe2, 0x6a, 0xe3, 0x48, 0xc5, 0xe6,
15  0xf3, 0x68, 0xa7, 0x04, 0x99, 0x8b, 0xef, 0xc1, 0x7f, 0x78, 0x87, 0x66, 0x7b, 0xe1, 0x0c, 0x89, 0xba, 0x9e, 0x74, 0x0e,
16  0xdc, 0xe5, 0x95, 0x02, 0x55, 0x5f, 0x0b, 0x76, 0x5b, 0x83, 0xee, 0xe3, 0x59, 0xd6, 0xb1, 0xe8, 0x2f, 0x8d, 0x32, 0x06,
17  0xcc, 0xd4, 0xe4, 0xb7, 0x24, 0xfb, 0x69, 0x85, 0x22, 0x37, 0xbd, 0x61, 0x95, 0x13, 0x46, 0x08, 0x10, 0x31, 0x71, 0xb5,
18  0x71, 0xa4, 0x62, 0xf3, 0x79, 0xb4, 0x53, 0x82, 0xcc, 0xc5, 0xf7, 0xe0, 0x3f, 0xbc, 0x43, 0xb3, 0xbd, 0x70, 0x86, 0x44,
19  0x5d, 0x4f, 0x3a, 0x07, 0xee, 0xf2, 0x4a, 0x81, 0xaa, 0xaf, 0x05, 0xbb, 0xad, 0x41, 0xf7, 0xf1, 0x2c, 0xeb, 0x58, 0xf4,
20  0x97, 0x46, 0x19, 0x03, 0x66, 0x6a, 0xf2, 0x5b, 0x92, 0xfd, 0xb4, 0x42, 0x91, 0x9b, 0xde, 0xb0, 0xca, 0x09, 0x23, 0x04,
21  0x88, 0x98, 0xb8, 0xda, 0x38, 0x52, 0xb1, 0xf9, 0x3c, 0xda, 0x29, 0x41, 0xe6, 0xe2, 0x7b, 0xf0, 0x1f, 0xde, 0xa1, 0xd9,
22  0x5e, 0x38, 0x43, 0xa2, 0xae, 0x27, 0x9d, 0x03, 0x77, 0x79, 0xa5, 0x40, 0xd5, 0xd7, 0x82, 0xdd, 0xd6, 0xa0, 0xfb, 0x78,
23  0x96, 0x75, 0x2c, 0xfa, 0x4b, 0xa3, 0x8c, 0x01, 0x33, 0x35, 0xf9, 0x2d, 0xc9, 0x7e, 0x5a, 0xa1, 0xc8, 0x4d, 0x6f, 0x58,
24  0xe5, 0x84, 0x11, 0x02, 0x44, 0x4c, 0x5c, 0x6d, 0x1c, 0xa9, 0xd8, 0x7c, 0x1e, 0xed, 0x94, 0x20, 0x73, 0xf1, 0x3d, 0xf8,
25  0x0f, 0xef, 0xd0, 0x6c, 0x2f, 0x9c, 0x21, 0x51, 0xd7, 0x93, 0xce, 0x81, 0xbb, 0xbc, 0x52, 0xa0, 0xea, 0x6b, 0xc1, 0x6e,
26  0x6b, 0xd0, 0x7d, 0x3c, 0xcb, 0x3a, 0x16, 0xfd, 0xa5, 0x51, 0xc6, 0x80, 0x99, 0x9a, 0xfc, 0x96, 0x64, 0x3f, 0xad, 0x50,
27  0xe4, 0xa6, 0x37, 0xac, 0x72, 0xc2, 0x08, 0x01, 0x22, 0x26, 0xae, 0x36, 0x8e, 0x54, 0x6c, 0x3e, 0x8f, 0x76, 0x4a, 0x90,
28  0xb9, 0xf8, 0x1e, 0xfc, 0x87, 0x77, 0x68, 0xb6, 0x17, 0xce, 0x90, 0xa8, 0xeb, 0x49, 0xe7, 0xc0, 0x5d, 0x5e, 0x29, 0x50,
29  0xf5, 0xb5, 0x60, 0xb7, 0x35, 0xe8, 0x3e, 0x9e, 0x65, 0x1d, 0x8b, 0xfe, 0xd2, 0x28, 0x63, 0xc0, 0x4c, 0x4d, 0x7e, 0x4b,
30  0xb2, 0x9f, 0x56, 0x28, 0x72, 0xd3, 0x1b, 0x56, 0x39, 0x61, 0x84, 0x00, 0x11, 0x13, 0x57, 0x1b, 0x47, 0x2a, 0x36, 0x9f,
31  0x47, 0x3b, 0x25, 0xc8, 0x5c, 0x7c, 0x0f, 0xfe, 0xc3, 0x3b, 0x34, 0xdb, 0x0b, 0x67, 0x48, 0xd4, 0xf5, 0xa4, 0x73, 0xe0,
32  0x2e, 0xaf, 0x14, 0xa8, 0xfa, 0x5a, 0xb0, 0xdb, 0x1a, 0x74, 0x1f, 0xcf, 0xb2, 0x8e, 0x45, 0x7f, 0x69, 0x94, 0x31, 0x60,
33  0xa6, 0x26, 0xbf, 0x25, 0xd9, 0x4f, 0x2b, 0x14, 0xb9, 0xe9, 0x0d, 0xab, 0x9c, 0x30, 0x42, 0x80, 0x88, 0x89, 0xab, 0x8d,
34  0x23, 0x15, 0x9b, 0xcf, 0xa3, 0x9d, 0x12, 0x64, 0x2e, 0xbe, 0x07, 0xff, 0xe1, 0x1d, 0x9a, 0xed, 0x85, 0x33, 0x24, 0xea,
35  0x7a, 0xd2, 0x39, 0x70, 0x97, 0x57, 0x0a, 0x54, 0x7d, 0x2d, 0xd8, 0x6d, 0x0d, 0xba, 0x8f, 0x67, 0x59, 0xc7, 0xa2, 0xbf,
36  0x34, 0xca, 0x18, 0x30, 0x53, 0x93, 0xdf, 0x92, 0xec, 0xa7, 0x15, 0x8a, 0xdc, 0xf4, 0x86, 0x55, 0x4e, 0x18, 0x21, 0x40,
37  0xc4, 0xc4, 0xd5, 0xc6, 0x91, 0x8a, 0xcd, 0xe7, 0xd1, 0x4e, 0x09, 0x32, 0x17, 0xdf, 0x83, 0xff, 0xf0, 0x0e, 0xcd, 0xf6,
38  0xc2, 0x19, 0x12, 0x75, 0x3d, 0xe9, 0x1c, 0xb8, 0xcb, 0x2b, 0x05, 0xaa, 0xbe, 0x16, 0xec, 0xb6, 0x06, 0xdd, 0xc7, 0xb3,
39  0xac, 0x63, 0xd1, 0x5f, 0x1a, 0x65, 0x0c, 0x98, 0xa9, 0xc9, 0x6f, 0x49, 0xf6, 0xd3, 0x0a, 0x45, 0x6e, 0x7a, 0xc3, 0x2a,
40  0x27, 0x8c, 0x10, 0x20, 0x62, 0xe2, 0x6a, 0xe3, 0x48, 0xc5, 0xe6, 0xf3, 0x68, 0xa7, 0x04, 0x99, 0x8b, 0xef, 0xc1, 0x7f,
41  0x78, 0x87, 0x66, 0x7b, 0xe1, 0x0c, 0x89, 0xba, 0x9e, 0x74, 0x0e, 0xdc, 0xe5, 0x95, 0x02, 0x55, 0x5f, 0x0b, 0x76, 0x5b,
42  0x83, 0xee, 0xe3, 0x59, 0xd6, 0xb1, 0xe8, 0x2f, 0x8d, 0x32, 0x06, 0xcc, 0xd4, 0xe4, 0xb7, 0x24, 0xfb, 0x69, 0x85, 0x22,
43  0x37, 0xbd, 0x61, 0x95, 0x13, 0x46, 0x08, 0x10, 0x31, 0x71, 0xb5, 0x71, 0xa4, 0x62, 0xf3, 0x79, 0xb4, 0x53, 0x82, 0xcc,
44  0xc5, 0xf7, 0xe0, 0x3f, 0xbc, 0x43, 0xb3, 0xbd, 0x70, 0x86, 0x44, 0x5d, 0x4f, 0x3a, 0x07, 0xee, 0xf2, 0x4a, 0x81, 0xaa,
45  0xaf, 0x05, 0xbb, 0xad, 0x41, 0xf7, 0xf1, 0x2c, 0xeb, 0x58, 0xf4, 0x97, 0x46, 0x19, 0x03, 0x66, 0x6a, 0xf2, 0x5b, 0x92,
46  0xfd, 0xb4, 0x42, 0x91, 0x9b, 0xde, 0xb0, 0xca, 0x09, 0x23, 0x04, 0x88, 0x98, 0xb8, 0xda, 0x38, 0x52, 0xb1, 0xf9, 0x3c,
47  0xda, 0x29, 0x41, 0xe6, 0xe2, 0x7b, 0xf0, 0x1f, 0xde, 0xa1, 0xd9, 0x5e, 0x38, 0x43, 0xa2, 0xae, 0x27, 0x9d, 0x03, 0x77,
48  0x79, 0xa5, 0x40, 0xd5, 0xd7, 0x82, 0xdd, 0xd6, 0xa0, 0xfb, 0x78, 0x96, 0x75, 0x2c, 0xfa, 0x4b, 0xa3, 0x8c, 0x01, 0x33,
49  0x35, 0xf9, 0x2d, 0xc9, 0x7e, 0x5a, 0xa1, 0xc8, 0x4d, 0x6f, 0x58, 0xe5, 0x84, 0x11, 0x02, 0x44, 0x4c, 0x5c, 0x6d, 0x1c,
50  0xa9, 0xd8, 0x7c, 0x1e, 0xed, 0x94, 0x20, 0x73, 0xf1, 0x3d, 0xf8, 0x0f, 0xef, 0xd0, 0x6c, 0x2f, 0x9c, 0x21, 0x51, 0xd7,
51  0x93, 0xce, 0x81, 0xbb, 0xbc, 0x52, 0xa0, 0xea, 0x6b, 0xc1, 0x6e, 0x6b, 0xd0, 0x7d, 0x3c, 0xcb, 0x3a, 0x16, 0xfd, 0xa5,
52  0x51, 0xc6, 0x80, 0x99, 0x9a, 0xfc, 0x96, 0x64, 0x3f, 0xad, 0x50, 0xe4, 0xa6, 0x37, 0xac, 0x72, 0xc2, 0x08, 0x01, 0x22,
53  0x26, 0xae, 0x36, 0x8e, 0x54, 0x6c, 0x3e, 0x8f, 0x76, 0x4a, 0x90, 0xb9, 0xf8, 0x1e, 0xfc, 0x87, 0x77, 0x68, 0xb6, 0x17,
54  0xce, 0x90, 0xa8, 0xeb, 0x49, 0xe7, 0xc0, 0x5d, 0x5e, 0x29, 0x50, 0xf5, 0xb5, 0x60, 0xb7, 0x35, 0xe8, 0x3e, 0x9e, 0x65,
55  0x1d, 0x8b, 0xfe, 0xd2, 0x28, 0x63, 0xc0, 0x4c, 0x4d, 0x7e, 0x4b, 0xb2, 0x9f, 0x56, 0x28, 0x72, 0xd3, 0x1b, 0x56, 0x39,
56  0x61, 0x84, 0x00, 0x11, 0x13, 0x57, 0x1b, 0x47, 0x2a, 0x36, 0x9f, 0x47, 0x3b, 0x25, 0xc8, 0x5c, 0x7c, 0x0f, 0xfe, 0xc3,
57  0x3b, 0x34, 0xdb, 0x0b, 0x67, 0x48, 0xd4, 0xf5, 0xa4, 0x73, 0xe0, 0x2e, 0xaf, 0x14, 0xa8, 0xfa, 0x5a, 0xb0, 0xdb, 0x1a,
58  0x74, 0x1f, 0xcf, 0xb2, 0x8e, 0x45, 0x7f, 0x69, 0x94, 0x31, 0x60, 0xa6, 0x26, 0xbf, 0x25, 0xd9, 0x4f, 0x2b, 0x14, 0xb9,
59  0xe9, 0x0d, 0xab, 0x9c, 0x30, 0x42, 0x80, 0x88, 0x89, 0xab, 0x8d, 0x23, 0x15, 0x9b, 0xcf, 0xa3, 0x9d, 0x12, 0x64, 0x2e,
60  0xbe, 0x07, 0xff, 0xe1
61 };
62 
63 bool test_pn9(void)
64 {
65  if(TEST_VERBOSE)
66  {
67  Debug_print("Original null test packet\r\n");
68  buffer_print_hex(pn9_test, TEST_LENGTH);
69  }
70 
71  /* 0-length input */
72  if(TEST_VERBOSE)
73  {
74  Debug_print("PN9 testing zero length..\r\n");
75  }
76  Util_pn9(pn9_test, 0, 0);
77 
78  if(TEST_VERBOSE)
79  {
80  Debug_print("PN9 XORed zero length packet\r\n");
81  buffer_print_hex(pn9_test, TEST_LENGTH);
82  }
83 
84  /* Compare against stored null sequence */
85  if(memcmp(pn9_test, pn9_null_reference, TEST_LENGTH) != 0)
86  {
87  return false;
88  }
89 
90  /* XOR packet */
91  if(TEST_VERBOSE)
92  {
93  Debug_print("PN9 XORing null packet..\r\n");
94  }
95  Util_pn9(pn9_test, 0, TEST_LENGTH);
96 
97  if(TEST_VERBOSE)
98  {
99  Debug_print("PN9 XORed packet\r\n");
100  buffer_print_hex(pn9_test, TEST_LENGTH);
101  }
102 
103  /* Compare against stored pn9 sequence */
104  if(memcmp(pn9_test, pn9_code_reference, TEST_LENGTH) != 0)
105  {
106  return false;
107  }
108 
109  /* XOR packet with preroll test */
110  if(TEST_VERBOSE)
111  {
112  Debug_print("PN9 XORing test packet..\r\n");
113  }
114  Util_pn9(pn9_test, 0, TEST_LENGTH/2);
115  Util_pn9(&pn9_test[TEST_LENGTH/2], TEST_LENGTH/2, TEST_LENGTH/2);
116 
117  if(TEST_VERBOSE)
118  {
119  Debug_print("PN9 double-XORed packet (should be null)\r\n");
120  buffer_print_hex(pn9_test, TEST_LENGTH);
121  }
122 
123  /* Compare against stored null sequence */
124  if(memcmp(pn9_test, pn9_null_reference, TEST_LENGTH) != 0)
125  {
126  return false;
127  }
128 
129  return true;
130 }
Debug_print
void Debug_print(char *fmt,...)
Definition: debug.c:16
Util_pn9
void Util_pn9(uint8_t *buffer, uint32_t preroll, uint32_t length)
Definition: pn9.c:11
buffer_print_hex
void buffer_print_hex(uint8_t *buffer, uint32_t length)
Definition: test.c:53
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