Files
pico-examples/adc/read_vsys/power_status.h
Peter Harper a9b3118443 Add an example to read VBUS and VSYS (#331)
The process is different on Pico and Pico W so demonstrate how to do it.

Fixes #324
2023-06-06 12:45:04 -05:00

33 lines
802 B
C

/**
* Copyright (c) 2023 Raspberry Pi (Trading) Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef POWER_STATUS_H
#define POWER_STATUS_H
/*!
* \brief Get power source
*
* Returns whether battery powered
* \note On Pico W must have called cyw43_arch_init
*
* \param battery_powered True if powered by battery, False if powered by USB or another means
* \return Zero if the battery status can be determined, an error code otherwise \see pico_error_codes
*/
int power_source(bool *battery_powered);
/*!
* \brief Get system voltage
*
* Returns the system voltage
* \note Must have called adc_init
*
* \param voltage Calculated voltage
* \return Zero if the voltage can be determined, an error code otherwise \see pico_error_codes
*/
int power_voltage(float *voltage);
#endif