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better startup handling

This commit is contained in:
rusefi 2017-04-18 08:16:53 -04:00
parent ed7dccf0f8
commit 5f53920902
1 changed files with 5 additions and 3 deletions
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8
firmware/controllers/math/engine_math.cpp
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@ -233,7 +233,7 @@ floatms_t getCrankingSparkDwell(int rpm DECLARE_ENGINE_PARAMETER_S) {
}
/**
* @return Spark dwell time, in milliseconds.
* @return Spark dwell time, in milliseconds. 0 if tables are not ready.
*/
floatms_t getSparkDwell(int rpm DECLARE_ENGINE_PARAMETER_S) {
float dwellMs;
@ -245,8 +245,10 @@ floatms_t getSparkDwell(int rpm DECLARE_ENGINE_PARAMETER_S) {
dwellMs = interpolate2d(rpm, engineConfiguration->sparkDwellRpmBins, engineConfiguration->sparkDwellValues, DWELL_CURVE_SIZE);
}
if (cisnan(dwellMs) || dwellMs < 0) {
firmwareError(CUSTOM_ERR_DWELL_DURATION, "invalid dwell: %f at rpm=%d", dwellMs, rpm);
if (cisnan(dwellMs) || dwellMs <= 0) {
// this could happen during engine configuration reset
warning(CUSTOM_ERR_DWELL_DURATION, "invalid dwell: %f at rpm=%d", dwellMs, rpm);
return 0;
}
return dwellMs;
}