/
power_mgt.h
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/
power_mgt.h
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#ifndef POWER_MGT_H
#define POWER_MGT_H
#include "FastLED.h"
#include "pixeltypes.h"
FASTLED_NAMESPACE_BEGIN
///@defgroup Power Power management functions
/// functions used to limit the amount of power used by FastLED
///@{
// Power Control setup functions
//
// Example:
// set_max_power_in_volts_and_milliamps( 5, 400);
//
/// Set the maximum power used in milliamps for a given voltage
/// @deprecated - use FastLED.setMaxPowerInVoltsAndMilliamps()
void set_max_power_in_volts_and_milliamps( uint8_t volts, uint32_t milliamps);
/// Set the maximum power used in watts
void set_max_power_in_milliwatts( uint32_t powerInmW);
/// Select a ping with an led that will be flashed to indicate that power management
/// is pulling down the brightness
/// @deprecated - use FastLED.setMaxPowerInMilliWatts
void set_max_power_indicator_LED( uint8_t pinNumber); // zero = no indicator LED
// Power Control 'show' and 'delay' functions
//
// These are drop-in replacements for FastLED.show() and FastLED.delay()
// In order to use these, you have to actually replace your calls to
// FastLED.show() and FastLED.delay() with these two functions.
//
// Example:
// // was: FastLED.show();
// // now is:
// show_at_max_brightness_for_power();
//
/// Similar to FastLED.show, but pre-adjusts brightness to keep below the power
/// threshold.
/// @deprecated this has now been moved to FastLED.show();
void show_at_max_brightness_for_power();
/// Similar to FastLED.delay, but pre-adjusts brightness to keep below the power
/// threshold.
/// @deprecated this has now been rolled into FastLED.delay();
void delay_at_max_brightness_for_power( uint16_t ms);
// Power Control internal helper functions
/// calculate_unscaled_power_mW tells you how many milliwatts the current
/// LED data would draw at brightness = 255.
///
uint32_t calculate_unscaled_power_mW( const CRGB* ledbuffer, uint16_t numLeds);
/// calculate_max_brightness_for_power_mW tells you the highest brightness
/// level you can use and still stay under the specified power budget for
/// a given set of leds. It takes a pointer to an array of CRGB objects, a
/// count, a 'target brightness' which is the brightness you'd ideally like
/// to use, and the max power draw desired in milliwatts. The result from
/// this function will be no higher than the target_brightess you supply, but may be lower.
uint8_t calculate_max_brightness_for_power_mW(const CRGB* ledbuffer, uint16_t numLeds, uint8_t target_brightness, uint32_t max_power_mW);
/// calculate_max_brightness_for_power_mW tells you the highest brightness
/// level you can use and still stay under the specified power budget for
/// a given set of leds. It takes a pointer to an array of CRGB objects, a
/// count, a 'target brightness' which is the brightness you'd ideally like
/// to use, and the max power in volts and milliamps. The result from this
/// function will be no higher than the target_brightess you supply, but may be lower.
uint8_t calculate_max_brightness_for_power_vmA(const CRGB* ledbuffer, uint16_t numLeds, uint8_t target_brightness, uint32_t max_power_V, uint32_t max_power_mA);
/// calculate_max_brightness_for_power_mW tells you the highest brightness
/// level you can use and still stay under the specified power budget. It
/// takes a 'target brightness' which is the brightness you'd ideally like
/// to use. The result from this function will be no higher than the
/// target_brightess you supply, but may be lower.
uint8_t calculate_max_brightness_for_power_mW( uint8_t target_brightness, uint32_t max_power_mW);
FASTLED_NAMESPACE_END
///@}
// POWER_MGT_H
#endif