mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-06-28 07:00:34 +08:00
uavcan bootloader use new AppDes
This commit is contained in:
committed by
Daniel Agar
parent
bfdc6cd675
commit
760e47bbf9
@@ -44,9 +44,7 @@ __BEGIN_DECLS
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* revision number of 00 used in app_descriptor_t
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*/
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#define APP_DESCRIPTOR_SIGNATURE_ID 'A','P','D','e','s','c'
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#define APP_DESCRIPTOR_SIGNATURE_REV '0','0'
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#define APP_DESCRIPTOR_SIGNATURE APP_DESCRIPTOR_SIGNATURE_ID, APP_DESCRIPTOR_SIGNATURE_REV
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#define APP_DESCRIPTOR_SIGNATURE { 0x40, 0xa2, 0xe4, 0xf1, 0x64, 0x68, 0x91, 0x06 }
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/* N.B. the .ld file must emit this sections */
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# define boot_app_shared_section __attribute__((section(".app_descriptor")))
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@@ -96,6 +94,15 @@ typedef begin_packed_struct struct bootloader_app_shared_t {
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uint32_t bus_speed;
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uint32_t node_id;
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} end_packed_struct bootloader_app_shared_t;
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#define BL_ALT_APP_SHARED_SIGNATURE 0xc544ad9a
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typedef begin_packed_struct struct bootloader_alt_app_shared_t {
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uint32_t signature;
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uint32_t reserved[4];
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uint8_t fw_server_node_id;
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uint8_t node_id;
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uint8_t path[201];
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} end_packed_struct bootloader_alt_app_shared_t;
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#pragma GCC diagnostic pop
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/****************************************************************************
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@@ -128,12 +135,19 @@ typedef begin_packed_struct struct bootloader_app_shared_t {
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#pragma GCC diagnostic ignored "-Wpacked"
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typedef begin_packed_struct struct app_descriptor_t {
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uint8_t signature[sizeof(uint64_t)];
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uint64_t image_crc;
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union {
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uint64_t image_crc;
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struct {
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uint32_t crc32_block1;
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uint32_t crc32_block2;
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};
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};
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uint32_t image_size;
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uint32_t vcs_commit;
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uint8_t major_version;
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uint8_t minor_version;
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uint8_t reserved[6];
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uint32_t git_hash;
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uint8_t major_version;
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uint8_t minor_version;
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uint16_t board_id;
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uint8_t reserved[ 3 + 3 + 2];
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} end_packed_struct app_descriptor_t;
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#pragma GCC diagnostic pop
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@@ -7,6 +7,41 @@ import struct
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import optparse
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import binascii
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from io import BytesIO
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import array
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crctab = array.array('I', [
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
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0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
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0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
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0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
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0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
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0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
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0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
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0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
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0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
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0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
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0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
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0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
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0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
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0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
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0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
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0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
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0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
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0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
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0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
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0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
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0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
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0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d])
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class GitWrapper:
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@classmethod
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@@ -21,26 +56,31 @@ class GitWrapper:
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class AppDescriptor(object):
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"""
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UAVCAN firmware image descriptor format:
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uint64_t signature (bytes [7:0] set to 'APDesc00' by linker script)
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uint64_t image_crc (set to 0 by linker script)
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uint32_t image_size (set to 0 by linker script)
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uint32_t vcs_commit (set in source or by this tool)
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uint64_t signature (bytes [7:0] set to '{ 0x40, 0xa2, 0xe4, 0xf1, 0x64, 0x68, 0x91, 0x06 }' by the build
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uint32_t crc32_block1 From offset 0 to . (non inclusive) (set by this tool)
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uint32_t crc32_block2 From offsetof(minor_version) to end (set by this tool)
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uint32_t image_size (set to 0 by linker script)
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uint32_t vcs_commit (set in source or by this tool)
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uint8_t version_major (set in source)
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uint8_t version_minor (set in source)
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uint16_t board_id (set in source)
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uint8_t reserved[6] (set to 0xFF by linker script)
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"""
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LENGTH = 8 + 8 + 4 + 4 + 1 + 1 + 6
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SIGNATURE = b"APDesc00"
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RESERVED = b"\xFF" * 6
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LENGTH = 8 + 4 + 4 + 4 + 4 + 1 + 1 + 2 + 8
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DESLENGTH = 4 + 4 + 4 + 4
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SIGNATURE = b"\x40\xa2\xe4\xf1\x64\x68\x91\x06"
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RESERVED = b"\xFF" * 8
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def __init__(self, bytes=None):
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self.signature = AppDescriptor.SIGNATURE
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self.image_crc = 0
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self.crc32_block1 = 0
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self.crc32_block2 = 0
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self.image_size = 0
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self.vcs_commit = 0
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self.version_major = 0
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self.version_minor = 0
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self.board_id = 0
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self.reserved = AppDescriptor.RESERVED
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if bytes:
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@@ -51,15 +91,16 @@ class AppDescriptor(object):
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binascii.b2a_hex(bytes)))
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def pack(self):
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return struct.pack("<8sQLLBB6s", self.signature, self.image_crc,
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self.image_size, self.vcs_commit,
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return struct.pack("<8sLLLLBBH8s", self.signature, self.crc32_block1,
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self.crc32_block2, self.image_size, self.vcs_commit,
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self.version_major, self.version_minor,
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self.board_id,
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self.reserved)
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def unpack(self, bytes):
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(self.signature, self.image_crc, self.image_size, self.vcs_commit,
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self.version_major, self.version_minor, self.reserved) = \
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struct.unpack("<8sQLLBB6s", bytes)
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(self.signature, self.crc32_block1, self.crc32_block2, self.image_size, self.vcs_commit,
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self.version_major, self.version_minor, self.board_id, self.reserved) = \
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struct.unpack("<8sLLLLBBH8s", bytes)
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if not self.empty and not self.valid:
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raise ValueError()
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@@ -67,13 +108,14 @@ class AppDescriptor(object):
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@property
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def empty(self):
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return (self.signature == AppDescriptor.SIGNATURE and
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self.image_crc == 0 and self.image_size == 0 and
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self.reserved == AppDescriptor.RESERVED)
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self.crc32_block1 == 0 and self.crc32_block2 == 0 and
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self.image_size == 0 and self.reserved == AppDescriptor.RESERVED)
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@property
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def valid(self):
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return (self.signature == AppDescriptor.SIGNATURE and
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self.image_crc != 0 and self.image_size > 0 and
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self.crc32_block1 != 0 and self.crc32_block2 != 0 and
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self.image_size > 0 and self.board_id != 0 and
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self.reserved == AppDescriptor.RESERVED)
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@@ -136,38 +178,31 @@ class FirmwareImage(object):
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# Set the descriptor's length and CRC to the values required for
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# CRC computation
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self.app_descriptor.image_size = self.length
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self.app_descriptor.image_crc = 0
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self.app_descriptor.crc32_block1 = 0
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self.app_descriptor.crc32_block2 = 0
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self._write_descriptor_raw()
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content = bytearray(self._contents.getvalue())
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if self._padding:
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content += bytearray.fromhex("ff" * self._padding)
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# Update the descriptor's CRC based on the computed value and write
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# it out again
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self.app_descriptor.image_crc = self.crc
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self.app_descriptor.crc32_block1 = self.crc32(content[:self.app_descriptor_offset + len(AppDescriptor.SIGNATURE)])
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b2 = self.app_descriptor_offset + len(AppDescriptor.SIGNATURE) + AppDescriptor.DESLENGTH
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self.app_descriptor.crc32_block2 = self.crc32(content[b2:])
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self._write_descriptor_raw()
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@property
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def crc(self):
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MASK = 0xFFFFFFFFFFFFFFFF
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POLY = 0x42F0E1EBA9EA3693
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def crc32(self, bytes, crc = 0):
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# Calculate the image CRC with the image_crc field in the app
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# descriptor zeroed out.
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crc_offset = self.app_descriptor_offset + len(AppDescriptor.SIGNATURE)
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content = bytearray(self._contents.getvalue())
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content[crc_offset:crc_offset + 8] = bytearray.fromhex("00" * 8)
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if self._padding:
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content += bytearray.fromhex("ff" * self._padding)
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val = MASK
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for byte in content:
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val ^= (byte << 56) & MASK
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for bit in range(8):
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if val & (1 << 63):
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val = ((val << 1) & MASK) ^ POLY
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else:
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val <<= 1
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return (val & MASK) ^ MASK
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for byte in bytes:
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index = (crc ^ byte) & 0xff
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crc = crctab[index] ^ (crc >> 8)
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return crc
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@property
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def padding(self):
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@@ -234,7 +269,6 @@ class FirmwareImage(object):
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def app_descriptor(self, value):
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self._descriptor = value
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if __name__ == "__main__":
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parser = optparse.OptionParser(usage="usage: %prog [options] [IN OUT]")
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parser.add_option("--vcs-commit", dest="vcs_commit", default=None,
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@@ -305,15 +339,31 @@ bootloader image to the output image.
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""".format(in_image, in_image.app_descriptor, out_image.app_descriptor,
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bootloader_size, len(bootloader_image)))
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sys.stderr.write(
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"""------------------------------------------------------------------------------
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"""READ VALUES
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------------------------------------------------------------------------------
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Field Type Value
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signature uint64 {1.signature!r}
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crc32_block1 uint32 0x{1.crc32_block1:08X}
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crc32_block2 uint32 0x{1.crc32_block2:08X}
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image_size uint32 0x{1.image_size:X} ({1.image_size:d} B)
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vcs_commit uint32 {1.vcs_commit:08X}
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version_major uint8 {1.version_major:d}
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version_minor uint8 {1.version_minor:d}
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board_id uint32 0x{1.board_id:X}
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reserved uint8[8] {1.reserved!r}
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WRITTEN VALUES
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------------------------------------------------------------------------------
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Field Type Value
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signature uint64 {2.signature!r}
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image_crc uint64 0x{2.image_crc:016X}
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crc32_block1 uint32 0x{2.crc32_block1:08X}
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crc32_block2 uint32 0x{2.crc32_block2:08X}
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image_size uint32 0x{2.image_size:X} ({2.image_size:d} B)
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vcs_commit uint32 {2.vcs_commit:08X}
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version_major uint8 {2.version_major:d}
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version_minor uint8 {2.version_minor:d}
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reserved uint8[6] {2.reserved!r}
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board_id uint32 0x{2.board_id:X}
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reserved uint8[8] {2.reserved!r}
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""".format(in_image, in_image.app_descriptor, out_image.app_descriptor,
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bootloader_size, len(bootloader_image)))
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if out_image.padding:
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@@ -73,13 +73,14 @@ namespace uavcannode
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* image crc, size etc of this application
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*/
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boot_app_shared_section app_descriptor_t AppDescriptor = {
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.signature = {APP_DESCRIPTOR_SIGNATURE},
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.signature = APP_DESCRIPTOR_SIGNATURE,
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.image_crc = 0,
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.image_size = 0,
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.vcs_commit = 0,
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.git_hash = 0,
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.major_version = APP_VERSION_MAJOR,
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.minor_version = APP_VERSION_MINOR,
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.reserved = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
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.board_id = HW_VERSION_MAJOR << 8 | HW_VERSION_MINOR,
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.reserved = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
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};
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UavcanNode *UavcanNode::_instance;
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