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Sensors app: Use two parameters to convert battery current and voltage to make configuring custom frames easier

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This commit is contained in:
Lorenz Meier
2016-06-07 22:27:08 +02:00
parent 3b5feafef4
commit e1805dfe0c
2 changed files with 94 additions and 39 deletions
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src/modules/sensors/sensor_params.c
+42 -6
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@@ -1964,28 +1964,64 @@ PARAM_DEFINE_INT32(RC_DSM_BIND, -1);
PARAM_DEFINE_INT32(BAT_V_SCALE_IO, 10000);
/**
* Scaling factor for battery voltage sensor on FMU v2.
* Scaling from ADC counts to volt on the ADC input (battery voltage)
*
* This is not the battery voltage, but the intermediate ADC voltage.
* A value of -1 signifies that the board defaults are used, which is
* highly recommended.
*
* @group Battery Calibration
* @decimal 8
*/
PARAM_DEFINE_FLOAT(BAT_V_SCALING, -1.0f);
PARAM_DEFINE_FLOAT(BAT_CNT_V_VOLT, -1.0f);
/**
* Scaling factor for battery current sensor.
* Scaling from ADC counts to volt on the ADC input (battery current)
*
* This is not the battery current, but the intermediate ADC voltage.
* A value of -1 signifies that the board defaults are used, which is
* highly recommended.
*
* @group Battery Calibration
* @decimal 8
*/
PARAM_DEFINE_FLOAT(BAT_C_SCALING, -1.0);
PARAM_DEFINE_FLOAT(BAT_CNT_V_CURR, -1.0);
/**
* Offset for battery current sensor.
* Offset in volt as seen by the ADC input of the current sensor.
*
* This offset will be subtracted before calculating the battery
* current based on the voltage.
*
* @group Battery Calibration
* @decimal 8
*/
PARAM_DEFINE_FLOAT(BAT_C_OFFSET, -1.0);
PARAM_DEFINE_FLOAT(BAT_V_OFFS_CURR, 0.0);
/**
* Battery voltage divider (V divider)
*
* This is the divider from battery voltage to 3.3V ADC voltage.
* If using e.g. Mauch power modules the value from the datasheet
* can be applied straight here. A value of -1 means to use
* the board default.
*
* @group Battery Calibration
* @decimal 8
*/
PARAM_DEFINE_FLOAT(BAT_V_DIV, -1.0);
/**
* Battery current per volt (A/V)
*
* The voltage seen by the 3.3V ADC multiplied by this factor
* will determine the battery current. A value of -1 means to use
* the board default.
*
* @group Battery Calibration
* @decimal 8
*/
PARAM_DEFINE_FLOAT(BAT_A_PER_V, -1.0);
/**