[Taranis] Overflow with negative battery calibration value

2013-05-13 21:03:58 +00:00
parent ed268ff085
commit 406d17ff35
1 changed files with 1 additions and 1 deletions
@@ -991,7 +991,7 @@ void menuGeneralDiagAna(uint8_t event)
  lcd_putsLeft(6*FH+1, STR_BATT_CALIB);
  static uint32_t adcBatt;
  adcBatt = ((adcBatt * 7) + anaIn(8)) / 8; // running average, sourced directly (to avoid unending debate :P)
-  uint32_t batCalV = ( adcBatt + adcBatt*(g_eeGeneral.vBatCalib)/128 ) * BATT_SCALE;
+  uint32_t batCalV = ( adcBatt + ((int32_t)adcBatt*g_eeGeneral.vBatCalib)/128 ) * BATT_SCALE;
  batCalV >>= 11;
  batCalV += 2; // because of the diode
  putsVolts(LEN_CALIB_FIELDS*FW+4*FW, 6*FH+1, batCalV, (m_posVert==1 ? INVERS : 0));