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Invert TPMS Manchester decoding, fix dependent CRC/checksums.

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This commit is contained in:
Jared Boone 2016-01-20 09:02:25 -08:00
parent 5e6a76dfe7
commit bd0ec913f5
2 changed files with 4 additions and 4 deletions
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6
firmware/application/tpms_app.cpp
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@ -63,9 +63,9 @@ size_t Packet::crc_valid_length() const {
bytes[i] = reader_.read(i * 8, 8); bytes[i] = reader_.read(i * 8, 8);
} }
uint32_t checksum = 6; uint32_t checksum = 0;
CRC<uint8_t> crc_72 { 0x01, 0xff }; CRC<uint8_t> crc_72 { 0x01, 0x00 };
CRC<uint8_t> crc_80 { 0x01, 0xff }; CRC<uint8_t> crc_80 { 0x01, 0x00 };
for(size_t i=0; i<bytes.size(); i++) { for(size_t i=0; i<bytes.size(); i++) {
const uint32_t byte_mask = 1 << i; const uint32_t byte_mask = 1 << i;

2
firmware/application/tpms_app.hpp
View File

@ -123,7 +123,7 @@ public:
constexpr Packet( constexpr Packet(
const baseband::Packet& packet const baseband::Packet& packet
) : packet_ { packet }, ) : packet_ { packet },
decoder_ { packet_, 1 }, decoder_ { packet_, 0 },
reader_ { decoder_ } reader_ { decoder_ }
{ {
} }