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simplified message handling, switch from XOR checksum to CRC8 with polynomial 0x97.

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0x97 allows for detection of all 1-3 bit errors in a message of up to
119 bytes
(see https://www.faa.gov/aircraft/air_cert/design_approvals/air_software/media/TC-14-49.pdf)
This commit is contained in:
Martin Preuss
2023-04-07 23:22:40 +02:00
parent 4e1f08b567
commit 7eb462173c
33 changed files with 281 additions and 367 deletions
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8
aqhome/msg/msg_haveaddr.h
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@@ -18,14 +18,6 @@
#define AQH_MSG_OFFS_HAVEADDR_UID 0
#define AQH_MSG_OFFS_HAVEADDR_ADDR 4
#define AQH_MSG_HAVEADDR_MINSIZE (AQH_MSG_OFFS_ALL_DATA_BEGIN+AQH_MSG_OFFS_HAVEADDR_ADDR+1)
AQHOME_API uint32_t AQH_HaveAddrMsg_GetUid(const GWEN_MSG *msg);
AQHOME_API uint8_t AQH_HaveAddrMsg_GetAddress(const GWEN_MSG *msg);
AQHOME_API void AQH_HaveAddrMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText);