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Merge pull request #10471 from etracer65/current_meter_div0_fix 

Fix possible div-by-zero in current meter
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Michael Keller 2021-01-12 20:08:53 +08:00 committed by GitHub
parent b762ac9994 175e6200b4
commit 261637838e
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1 changed files with 1 additions and 1 deletions
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src/main/sensors/current.c
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@ -116,7 +116,7 @@ static int32_t currentMeterADCToCentiamps(const uint16_t src)
int32_t millivolts = ((uint32_t)src * getVrefMv()) / 4096;
// y=x/m+b m is scale in (mV/10A) and b is offset in (mA)
int32_t centiAmps = (millivolts * 10000 / (int32_t)config->scale + (int32_t)config->offset) / 10;
int32_t centiAmps = config->scale ? (millivolts * 10000 / (int32_t)config->scale + (int32_t)config->offset) / 10 : 0;
DEBUG_SET(DEBUG_CURRENT_SENSOR, 0, millivolts);
DEBUG_SET(DEBUG_CURRENT_SENSOR, 1, centiAmps);