read_vsys sample
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Outline
#define POWER_STATUS_H
power_source(bool *);
power_voltage(float *);
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SourceVuRaspberry Pi Pico SDK and Examplesread_vsys samplepower_status.h
 
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/** * 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
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