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board config: add define for adc voltage scaling

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Beat Küng
2019-11-20 18:41:47 +01:00
parent b7a7ba8cfc
commit 1371887578
2 changed files with 11 additions and 2 deletions
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platforms/common/include/px4_platform_common/board_common.h
+8
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@@ -147,6 +147,14 @@
#define ADC_3V3_SCALE (2.0f) // The scale factor defined by HW's resistive divider (Rt+Rb)/ Rb
#endif
#ifndef BOARD_ADC_POS_REF_V_FOR_CURRENT_CHAN
#define BOARD_ADC_POS_REF_V_FOR_CURRENT_CHAN (3.3f) // Reference voltage for reading out the current channel
#endif
#ifndef BOARD_ADC_POS_REF_V_FOR_VOLTAGE_CHAN
#define BOARD_ADC_POS_REF_V_FOR_VOLTAGE_CHAN (3.3f) // Reference voltage for reading out the voltage channel
#endif
/* Provide define for Bricks and Battery */
/* Define the default maximum voltage resulting from the bias on ADC termination */