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Merge pull request #869 from NotherNgineer/next

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#868 TPMS app displays incorrect readings for Type 5 sensors
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gullradriel 2023-04-04 07:37:05 +02:00 committed by GitHub
commit 54eebedc1f
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1 changed files with 4 additions and 4 deletions
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8
firmware/common/tpms_packet.cpp
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@ -100,8 +100,8 @@ Optional<Reading> Packet::reading_ook_8k4_schrader() const {
* Preamble: 01*40
* System ID: 01100101, ??*20 (not really sure what this data is)
* ID: 32 Manchester symbols
* Value: 8 Manchester symbols (temperature?)
* Value: 8 Manchester symbols (pressure?)
* Value: 8 Manchester symbols (pressure)
* Value: 8 Manchester symbols (temperature)
* Checksum: 8 Manchester symbols (uint8_t sum of bytes starting with system ID)
*/
/* NOTE: First four bits of packet are consumed in preamble detection.
@ -123,8 +123,8 @@ Optional<Reading> Packet::reading_ook_8k4_schrader() const {
return Reading {
Reading::Type::GMC_96,
(uint32_t)id,
Pressure { static_cast<int>(value_1) * 4 / 3 },
Temperature { static_cast<int>(value_0) - 56 }
Pressure { static_cast<int>(value_0) * 11 / 4 },
Temperature { static_cast<int>(value_1) - 61 }
};
} else {
return { };