📄 power.h
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/* Copyright (c) 2006, 2007, 2008 Eric B. Weddington
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of the copyright holders nor the names of
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* $Id: power.h,v 1.11.2.6 2008/03/25 22:33:29 arcanum Exp $ */
#ifndef _AVR_POWER_H_
#define _AVR_POWER_H_ 1
#include <avr/io.h>
#include <stdint.h>
/** \file */
/** \defgroup avr_power <avr/power.h>: Power Reduction Management
\code #include <avr/power.h>\endcode
Many AVRs contain a Power Reduction Register (PRR) or Registers (PRRx) that
allow you to reduce power consumption by disabling or enabling various on-board
peripherals as needed.
There are many macros in this header file that provide an easy interface
to enable or disable on-board peripherals to reduce power. See the table below.
\note Not all AVR devices have a Power Reduction Register (for example
the ATmega128). On those devices without a Power Reduction Register, these
macros are not available.
\note Not all AVR devices contain the same peripherals (for example, the LCD
interface), or they will be named differently (for example, USART and
USART0). Please consult your device's datasheet, or the header file, to
find out which macros are applicable to your device.
*/
/** \addtogroup avr_power
\anchor avr_powermacros
<small>
<center>
<table border="3">
<tr>
<td width="10%"><strong>Power Macro</strong></td>
<td width="15%"><strong>Description</strong></td>
<td width="75%"><strong>Applicable for device</strong></td>
</tr>
<tr>
<td>power_adc_enable()</td>
<td>Enable the Analog to Digital Converter module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168, ATtiny24, ATtiny44, ATtiny84, ATtiny25, ATtiny45, ATtiny85, ATtiny261, ATtiny461, ATtiny861</td>
</tr>
<tr>
<td>power_adc_disable()</td>
<td>Disable the Analog to Digital Converter module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168, ATtiny24, ATtiny44, ATtiny84, ATtiny25, ATtiny45, ATtiny85, ATtiny261, ATtiny461, ATtiny861</td>
</tr>
<tr>
<td>power_lcd_enable()</td>
<td>Enable the LCD module.</td>
<td>ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490</td>
</tr>
<tr>
<td>power_lcd_disable().</td>
<td>Disable the LCD module.</td>
<td>ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490</td>
</tr>
<tr>
<td>power_psc0_enable()</td>
<td>Enable the Power Stage Controller 0 module.</td>
<td>AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_psc0_disable()</td>
<td>Disable the Power Stage Controller 0 module.</td>
<td>AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_psc1_enable()</td>
<td>Enable the Power Stage Controller 1 module.</td>
<td>AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_psc1_disable()</td>
<td>Disable the Power Stage Controller 1 module.</td>
<td>AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_psc2_enable()</td>
<td>Enable the Power Stage Controller 2 module.</td>
<td>AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_psc2_disable()</td>
<td>Disable the Power Stage Controller 2 module.</td>
<td>AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_spi_enable()</td>
<td>Enable the Serial Peripheral Interface module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_spi_disable()</td>
<td>Disable the Serial Peripheral Interface module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_timer0_enable()</td>
<td>Enable the Timer 0 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM216, AT90PWM316, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega164P, ATmega324P, ATmega644, ATmega406, ATmega48, ATmega88, ATmega168, ATtiny24, ATtiny44, ATtiny84, ATtiny25, ATtiny45, ATtiny85, ATtiny261, ATtiny461, ATtiny861</td>
</tr>
<tr>
<td>power_timer0_disable()</td>
<td>Disable the Timer 0 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega164P, ATmega324P, ATmega644, ATmega406, ATmega48, ATmega88, ATmega168, ATtiny24, ATtiny44, ATtiny84, ATtiny25, ATtiny45, ATtiny85, ATtiny261, ATtiny461, ATtiny861</td>
</tr>
<tr>
<td>power_timer1_enable()</td>
<td>Enable the Timer 1 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega406, ATmega48, ATmega88, ATmega168, ATtiny24, ATtiny44, ATtiny84, ATtiny25, ATtiny45, ATtiny85, ATtiny261, ATtiny461, ATtiny861</td>
</tr>
<tr>
<td>power_timer1_disable()</td>
<td>Disable the Timer 1 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega406, ATmega48, ATmega88, ATmega168, ATtiny24, ATtiny44, ATtiny84, ATtiny25, ATtiny45, ATtiny85, ATtiny261, ATtiny461, ATtiny861</td>
</tr>
<tr>
<td>power_timer2_enable()</td>
<td>Enable the Timer 2 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_timer2_disable()</td>
<td>Disable the Timer 2 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_timer3_enable()</td>
<td>Enable the Timer 3 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287</td>
</tr>
<tr>
<td>power_timer3_disable()</td>
<td>Disable the Timer 3 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287</td>
</tr>
<tr>
<td>power_timer4_enable()</td>
<td>Enable the Timer 4 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_timer4_disable()</td>
<td>Disable the Timer 4 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_timer5_enable()</td>
<td>Enable the Timer 5 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_timer5_disable()</td>
<td>Disable the Timer 5 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_twi_enable()</td>
<td>Enable the Two Wire Interface module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, ATmega164P, ATmega324P, ATmega644, ATmega406, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_twi_disable()</td>
<td>Disable the Two Wire Interface module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, ATmega164P, ATmega324P, ATmega644, ATmega406, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_usart_enable()</td>
<td>Enable the USART module.</td>
<td>AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_usart_disable()</td>
<td>Disable the USART module.</td>
<td>AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B</td>
</tr>
<tr>
<td>power_usart0_enable()</td>
<td>Enable the USART 0 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_usart0_disable()</td>
<td>Disable the USART 0 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, ATmega165, ATmega165P, ATmega325, ATmega3250, ATmega645, ATmega6450, ATmega169, ATmega169P, ATmega329, ATmega3290, ATmega649, ATmega6490, ATmega164P, ATmega324P, ATmega644, ATmega48, ATmega88, ATmega168</td>
</tr>
<tr>
<td>power_usart1_enable()</td>
<td>Enable the USART 1 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, ATmega164P, ATmega324P</td>
</tr>
<tr>
<td>power_usart1_disable()</td>
<td>Disable the USART 1 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90USB646, AT90USB647, AT90USB1286, AT90USB1287, ATmega164P, ATmega324P</td>
</tr>
<tr>
<td>power_usart2_enable()</td>
<td>Enable the USART 2 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_usart2_disable()</td>
<td>Disable the USART 2 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_usart3_enable()</td>
<td>Enable the USART 3 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_usart3_disable()</td>
<td>Disable the USART 3 module.</td>
<td>ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561</td>
</tr>
<tr>
<td>power_usb_enable()</td>
<td>Enable the USB module.</td>
<td>AT90USB646, AT90USB647, AT90USB1286, AT90USB1287</td>
</tr>
<tr>
<td>power_usb_disable()</td>
<td>Disable the USB module.</td>
<td>AT90USB646, AT90USB647, AT90USB1286, AT90USB1287</td>
</tr>
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