Power supply measurement#

sl_power_supply_probe#

void sl_power_supply_probe (void )

Probe the connected supply and determine its type.

Note

• The results can be acquired with sl_power_supply_get_characteristics.

sl_power_supply_get_characteristics#

void sl_power_supply_get_characteristics (uint8_t * type, float * voltage, float * ir)

Retrieve the supply characteristic variables.

sl_power_supply_get_type#

uint8_t sl_power_supply_get_type (void )

Getter for the power supply type.

Returns

• Power supply type represented as an integer.

sl_power_supply_is_low_power#

bool sl_power_supply_is_low_power (void )

Checks if the current power supply has low power capability.

Returns

• True if the supply is low power type, false otherwise.

sl_power_supply_measure_voltage#

float sl_power_supply_measure_voltage (unsigned int avg)

Measure the supply voltage by averaging multiple readings.

Returns

• The measured voltage.

sl_power_supply_get_battery_level#

uint8_t sl_power_supply_get_battery_level (void )

Measure the battery level.

Returns

• The estimated battery capacity level in percent.

SL_POWER_SUPPLY_TYPE_UNKNOWN#

#define SL_POWER_SUPPLY_TYPE_UNKNOWN

0

Unknown power supply type.

SL_POWER_SUPPLY_TYPE_USB#

#define SL_POWER_SUPPLY_TYPE_USB

1

The board powered from the USB connector.

SL_POWER_SUPPLY_TYPE_AA#

#define SL_POWER_SUPPLY_TYPE_AA

2

The board powered from AA batteries.

SL_POWER_SUPPLY_TYPE_AAA#

#define SL_POWER_SUPPLY_TYPE_AAA

3

The board powered from AAA batteries.

SL_POWER_SUPPLY_TYPE_CR2032#

#define SL_POWER_SUPPLY_TYPE_CR2032

4

The board powered from a CR2032 battery.