adc: Update ibat measurement unit

Signed-off-by: Audun Korneliussen <[email protected]>

Author: nordic-auko

drivers/npmx/shell/adc.c

@@ -59,7 +59,7 @@ static int adc_meas_get(const struct shell *shell, npmx_adc_meas_t adc_meas,
 		unit_type = UNIT_TYPE_MILLIVOLT;
 		break;
 	case NPMX_ADC_MEAS_VBAT2_IBAT:
-		unit_type = UNIT_TYPE_MILLIAMPERE;
+		unit_type = UNIT_TYPE_MICROAMPERE;
 		break;
 	default:
 		return 0;

drivers/npmx/shell/shell_common.c

@@ -13,6 +13,8 @@ static const struct device *pmic_dev = DEVICE_DT_GET(DT_NODELABEL(npm_0));
 static const char *unit_str_get(unit_type_t unit_type)
 {
 	switch (unit_type) {
+	case UNIT_TYPE_MICROAMPERE:
+		return " µA";
 	case UNIT_TYPE_MILLIAMPERE:
 		return " mA";
 	case UNIT_TYPE_MILLIVOLT:

drivers/npmx/shell/shell_common.h

@@ -45,6 +45,7 @@ typedef struct {
 
 /** @brief Supported unit types. */
 typedef enum {
+	UNIT_TYPE_MICROAMPERE, /* Unit type uA. */
 	UNIT_TYPE_MILLIAMPERE, /* Unit type mA. */
 	UNIT_TYPE_MILLIVOLT, /* Unit type mV. */
 	UNIT_TYPE_CELSIUS, /* Unit type *C. */

samples/fuel_gauge/src/fuel_gauge.c

@@ -43,8 +43,8 @@ static int read_sensors(npmx_instance_t *const p_pm, float *voltage, float *curr
 		return -EIO;
 	}
 
-	/* Convert current in milliamperes to current in amperes. */
-	*current = (float)meas.values[NPMX_ADC_MEAS_VBAT2_IBAT] / 1000.0f;
+	/* Convert current in microamperes to current in amperes. */
+	*current = (float)meas.values[NPMX_ADC_MEAS_VBAT2_IBAT] / 1000000.0f;
 
 	/* Convert temperature in millidegrees Celsius to temperature in Celsius */
 	*temp = (float)meas.values[NPMX_ADC_MEAS_BAT_TEMP] / 1000.0f;