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| author | Stanley Huang <stanleyhuangyc@gmail.com> | 2016-04-02 10:02:21 +1100 |
|---|---|---|
| committer | Stanley Huang <stanleyhuangyc@gmail.com> | 2016-04-02 10:02:21 +1100 |
| commit | bcc1dc50292f65fc958f56df0c0558e301175189 (patch) | |
| tree | f60b833d3023769cd3196676b4c273a8b801a116 /libraries/OBD | |
| parent | d484853a7af5a6fbef8aaff198aa9c900c4f69c7 (diff) | |
| download | 2021-arduino-obd-bcc1dc50292f65fc958f56df0c0558e301175189.tar.gz 2021-arduino-obd-bcc1dc50292f65fc958f56df0c0558e301175189.tar.bz2 2021-arduino-obd-bcc1dc50292f65fc958f56df0c0558e301175189.zip | |
Added definition for Fuel–Air commanded equivalence ratio
Diffstat (limited to 'libraries/OBD')
| -rw-r--r-- | libraries/OBD/OBD.cpp | 9 | ||||
| -rw-r--r-- | libraries/OBD/OBD.h | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/libraries/OBD/OBD.cpp b/libraries/OBD/OBD.cpp index 6ede386..2499500 100644 --- a/libraries/OBD/OBD.cpp +++ b/libraries/OBD/OBD.cpp @@ -117,10 +117,10 @@ int COBD::normalizeData(byte pid, char* data) int result; switch (pid) { case PID_RPM: - case PID_EVAP_SYS_VAPOR_PRESSURE: + case PID_EVAP_SYS_VAPOR_PRESSURE: // kPa result = getLargeValue(data) >> 2; break; - case PID_FUEL_PRESSURE: + case PID_FUEL_PRESSURE: // kPa result = getSmallValue(data) * 3; break; case PID_COOLANT_TEMP: @@ -146,7 +146,7 @@ int COBD::normalizeData(byte pid, char* data) case PID_HYBRID_BATTERY_PERCENTAGE: result = getPercentageValue(data); break; - case PID_MAF_FLOW: + case PID_MAF_FLOW: // grams/sec result = getLargeValue(data) / 100; break; case PID_TIMING_ADVANCE: @@ -187,6 +187,9 @@ int COBD::normalizeData(byte pid, char* data) case PID_CATALYST_TEMP_B2S2: result = getLargeValue(data) / 10 - 40; break; + case PID_AIR_FUEL_EQUIV_RATIO: // 0~200 + result = (long)getLargeValue(data) * 200 / 65536; + break; default: result = getSmallValue(data); } diff --git a/libraries/OBD/OBD.h b/libraries/OBD/OBD.h index c42b450..ba10631 100644 --- a/libraries/OBD/OBD.h +++ b/libraries/OBD/OBD.h @@ -55,6 +55,7 @@ #define PID_CATALYST_TEMP_B2S2 0x3F
#define PID_CONTROL_MODULE_VOLTAGE 0x42
#define PID_ABSOLUTE_ENGINE_LOAD 0x43
+#define PID_AIR_FUEL_EQUIV_RATIO 0x44
#define PID_RELATIVE_THROTTLE_POS 0x45
#define PID_AMBIENT_TEMP 0x46
#define PID_ABSOLUTE_THROTTLE_POS_B 0x47
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