MightyPork/TinyFrame
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MightyPork
2018-01-23 21:28:35 +01:00
parent 0edd2e04fa
commit e24296598e
1 changed files with 44 additions and 18 deletions
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TinyFrame.c
+44 -18
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@@ -27,21 +27,28 @@
#endif #endif
//region Checksums //region Checksums
#define CKSUM_RESET(cksum) do { (cksum) = TF_CksumStart(); } while (0)
#define CKSUM_ADD(cksum, byte) do { (cksum) = TF_CksumAdd((cksum), (byte)); } while (0)
#define CKSUM_FINALIZE(cksum) do { (cksum) = TF_CksumEnd((cksum)); } while (0)
#if TF_CKSUM_TYPE == TF_CKSUM_NONE #if TF_CKSUM_TYPE == TF_CKSUM_NONE
TF_CKSUM TF_CksumStart(void) { return 0; } static TF_CKSUM TF_CksumStart(void)
TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return cksum; } { return 0; }
TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return cksum; }
static TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte)
{ return cksum; }
static TF_CKSUM TF_CksumEnd(TF_CKSUM cksum)
{ return cksum; }
#elif TF_CKSUM_TYPE == TF_CKSUM_XOR #elif TF_CKSUM_TYPE == TF_CKSUM_XOR
TF_CKSUM TF_CksumStart(void) { return 0; } static TF_CKSUM TF_CksumStart(void)
TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return cksum ^ byte; } { return 0; }
TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return (TF_CKSUM) ~cksum; }
static TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte)
{ return cksum ^ byte; }
static TF_CKSUM TF_CksumEnd(TF_CKSUM cksum)
{ return (TF_CKSUM) ~cksum; }
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC8 #elif TF_CKSUM_TYPE == TF_CKSUM_CRC8
@@ -59,9 +66,14 @@
return crc; return crc;
} }
TF_CKSUM TF_CksumStart(void) { return 0; } static TF_CKSUM TF_CksumStart(void)
TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return crc8_bits(byte ^ cksum); } { return 0; }
TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return cksum; }
static TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte)
{ return crc8_bits(byte ^ cksum); }
static TF_CKSUM TF_CksumEnd(TF_CKSUM cksum)
{ return cksum; }
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC16 #elif TF_CKSUM_TYPE == TF_CKSUM_CRC16
@@ -102,9 +114,14 @@
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
}; };
TF_CKSUM TF_CksumStart(void) { return 0; } static TF_CKSUM TF_CksumStart(void)
TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return (cksum >> 8) ^ crc16_table[(cksum ^ byte) & 0xff]; } { return 0; }
TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return cksum; }
static TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte)
{ return (cksum >> 8) ^ crc16_table[(cksum ^ byte) & 0xff]; }
static TF_CKSUM TF_CksumEnd(TF_CKSUM cksum)
{ return cksum; }
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC32 #elif TF_CKSUM_TYPE == TF_CKSUM_CRC32
@@ -155,12 +172,21 @@
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
}; };
TF_CKSUM TF_CksumStart(void) { return (TF_CKSUM)0xFFFFFFFF; } static TF_CKSUM TF_CksumStart(void)
TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return crc32_table[((cksum) ^ ((uint8_t)byte)) & 0xff] ^ ((cksum) >> 8); } { return (TF_CKSUM)0xFFFFFFFF; }
TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return (TF_CKSUM) ~cksum; }
static TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte)
{ return crc32_table[((cksum) ^ ((uint8_t)byte)) & 0xff] ^ ((cksum) >> 8); }
static TF_CKSUM TF_CksumEnd(TF_CKSUM cksum)
{ return (TF_CKSUM) ~cksum; }
#endif #endif
#define CKSUM_RESET(cksum) do { (cksum) = TF_CksumStart(); } while (0)
#define CKSUM_ADD(cksum, byte) do { (cksum) = TF_CksumAdd((cksum), (byte)); } while (0)
#define CKSUM_FINALIZE(cksum) do { (cksum) = TF_CksumEnd((cksum)); } while (0)
//endregion //endregion
/** Init with a user-allocated buffer */ /** Init with a user-allocated buffer */