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HAL_ChibiOS: fixed min/max inversion in MCU voltage logging #20237

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merged 1 commit into from Mar 8, 2022
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HAL_ChibiOS: fixed min/max inversion in MCU voltage logging #20237

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5 changes: 3 additions & 2 deletions libraries/AP_HAL_ChibiOS/AnalogIn.cpp
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Expand Up @@ -513,8 +513,9 @@ void AnalogIn::_timer_tick(void)

_mcu_temperature = ((110 - 30) / (TS_CAL2 - TS_CAL1)) * (float(buf_adc3[1]) - TS_CAL1) + 30;
_mcu_voltage = 3.3 * VREFINT_CAL / float(buf_adc3[2]+0.001);
_mcu_voltage_min = 3.3 * VREFINT_CAL / float(min_adc3[2]+0.001);
_mcu_voltage_max = 3.3 * VREFINT_CAL / float(max_adc3[2]+0.001);
// note min/max swap due to inversion
_mcu_voltage_min = 3.3 * VREFINT_CAL / float(max_adc3[2]+0.001);
_mcu_voltage_max = 3.3 * VREFINT_CAL / float(min_adc3[2]+0.001);
}
#endif
}
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