/*This file has been prepared for Doxygen automatic documentation generation.*/ | |
/*! \file ********************************************************************* | |
* | |
* \brief Power Manager driver. | |
* | |
* | |
* - Compiler: IAR EWAVR32 and GNU GCC for AVR32 | |
* - Supported devices: All AVR32 devices. | |
* - AppNote: | |
* | |
* \author Atmel Corporation: http://www.atmel.com \n | |
* Support and FAQ: http://support.atmel.no/ | |
* | |
*****************************************************************************/ | |
/* Copyright (c) 2007, Atmel Corporation All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* | |
* 2. 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. | |
* | |
* 3. The name of ATMEL may not be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY ATMEL ``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 EXPRESSLY AND | |
* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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. | |
*/ | |
#ifndef _PM_H_ | |
#define _PM_H_ | |
#include <avr32/io.h> | |
#include "compiler.h" | |
#include "preprocessor.h" | |
/*! \brief Sets the MCU in the specified sleep mode. | |
* | |
* \param mode Sleep mode: | |
* \arg \c AVR32_PM_SMODE_IDLE: Idle; | |
* \arg \c AVR32_PM_SMODE_FROZEN: Frozen; | |
* \arg \c AVR32_PM_SMODE_STANDBY: Standby; | |
* \arg \c AVR32_PM_SMODE_STOP: Stop; | |
* \arg \c AVR32_PM_SMODE_SHUTDOWN: Shutdown (DeepStop); | |
* \arg \c AVR32_PM_SMODE_STATIC: Static. | |
*/ | |
#define SLEEP(mode) {__asm__ __volatile__ ("sleep "STRINGZ(mode));} | |
/*! \brief Gets the MCU reset cause. | |
* | |
* \param pm Base address of the Power Manager instance (i.e. &AVR32_PM). | |
* | |
* \return The MCU reset cause which can be masked with the | |
* \c AVR32_PM_RCAUSE_x_MASK bit-masks to isolate specific causes. | |
*/ | |
#if __GNUC__ | |
__attribute__((__always_inline__)) | |
#endif | |
extern __inline__ unsigned int pm_get_reset_cause(volatile avr32_pm_t *pm) | |
{ | |
return pm->rcause; | |
} | |
/*! | |
* \brief This function will enable the external clock mode of the oscillator 0. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_enable_osc0_ext_clock(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the crystal mode of the oscillator 0. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param fosc0 Oscillator 0 crystal frequency (Hz) | |
*/ | |
extern void pm_enable_osc0_crystal(volatile avr32_pm_t *pm, unsigned int fosc0); | |
/*! | |
* \brief This function will enable the oscillator 0 to be used with a startup time. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param startup Clock 0 startup time. Time is expressed in term of RCOsc periods (3-bit value) | |
*/ | |
extern void pm_enable_clk0(volatile avr32_pm_t *pm, unsigned int startup); | |
/*! | |
* \brief This function will disable the oscillator 0. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_disable_clk0(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the oscillator 0 to be used with no startup time. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param startup Clock 0 startup time. Time is expressed in term of RCOsc periods (3-bit value) but not checked. | |
*/ | |
extern void pm_enable_clk0_no_wait(volatile avr32_pm_t *pm, unsigned int startup); | |
/*! | |
* \brief This function will wait until the Osc0 clock is ready. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_wait_for_clk0_ready(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the external clock mode of the oscillator 1. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_enable_osc1_ext_clock(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the crystal mode of the oscillator 1. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param fosc1 Oscillator 1 crystal frequency (Hz) | |
*/ | |
extern void pm_enable_osc1_crystal(volatile avr32_pm_t *pm, unsigned int fosc1); | |
/*! | |
* \brief This function will enable the oscillator 1 to be used with a startup time. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param startup Clock 1 startup time. Time is expressed in term of RCOsc periods (3-bit value) | |
*/ | |
extern void pm_enable_clk1(volatile avr32_pm_t *pm, unsigned int startup); | |
/*! | |
* \brief This function will disable the oscillator 1. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_disable_clk1(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the oscillator 1 to be used with no startup time. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param startup Clock 1 startup time. Time is expressed in term of RCOsc periods (3-bit value) but not checked. | |
*/ | |
extern void pm_enable_clk1_no_wait(volatile avr32_pm_t *pm, unsigned int startup); | |
/*! | |
* \brief This function will wait until the Osc1 clock is ready. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_wait_for_clk1_ready(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the external clock mode of the 32-kHz oscillator. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_enable_osc32_ext_clock(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the crystal mode of the 32-kHz oscillator. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_enable_osc32_crystal(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the oscillator 32 to be used with a startup time. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param startup Clock 32 kHz startup time. Time is expressed in term of RCOsc periods (3-bit value) | |
*/ | |
extern void pm_enable_clk32(volatile avr32_pm_t *pm, unsigned int startup); | |
/*! | |
* \brief This function will disable the oscillator 32. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_disable_clk32(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will enable the oscillator 32 to be used with no startup time. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param startup Clock 32 kHz startup time. Time is expressed in term of RCOsc periods (3-bit value) but not checked. | |
*/ | |
extern void pm_enable_clk32_no_wait(volatile avr32_pm_t *pm, unsigned int startup); | |
/*! | |
* \brief This function will wait until the osc32 clock is ready. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_wait_for_clk32_ready(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will select all the power manager clocks. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param pbadiv Peripheral Bus A clock divisor enable | |
* \param pbasel Peripheral Bus A select | |
* \param pbbdiv Peripheral Bus B clock divisor enable | |
* \param pbbsel Peripheral Bus B select | |
* \param hsbdiv High Speed Bus clock divisor enable (CPU clock = HSB clock) | |
* \param hsbsel High Speed Bus select (CPU clock = HSB clock ) | |
*/ | |
extern void pm_cksel(volatile avr32_pm_t *pm, unsigned int pbadiv, unsigned int pbasel, unsigned int pbbdiv, unsigned int pbbsel, unsigned int hsbdiv, unsigned int hsbsel); | |
/*! | |
* \brief This function will setup a generic clock. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param gc generic clock number (0 for gc0...) | |
* \param osc_or_pll Use OSC (=0) or PLL (=1) | |
* \param pll_osc Select Osc0/PLL0 or Osc1/PLL1 | |
* \param diven Generic clock divisor enable | |
* \param div Generic clock divisor | |
*/ | |
extern void pm_gc_setup(volatile avr32_pm_t *pm, unsigned int gc, unsigned int osc_or_pll, unsigned int pll_osc, unsigned int diven, unsigned int div); | |
/*! | |
* \brief This function will enable a generic clock. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param gc generic clock number (0 for gc0...) | |
*/ | |
extern void pm_gc_enable(volatile avr32_pm_t *pm, unsigned int gc); | |
/*! | |
* \brief This function will disable a generic clock. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param gc generic clock number (0 for gc0...) | |
*/ | |
extern void pm_gc_disable(volatile avr32_pm_t *pm, unsigned int gc); | |
/*! | |
* \brief This function will setup a PLL. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param pll PLL number(0 for PLL0, 1 for PLL1) | |
* \param mul PLL MUL in the PLL formula | |
* \param div PLL DIV in the PLL formula | |
* \param osc OSC number (0 for osc0, 1 for osc1) | |
* \param lockcount PLL lockount | |
*/ | |
extern void pm_pll_setup(volatile avr32_pm_t *pm, unsigned int pll, unsigned int mul, unsigned int div, unsigned int osc, unsigned int lockcount); | |
/*! | |
* \brief This function will set a PLL option. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param pll PLL number(0 for PLL0, 1 for PLL1) | |
* \param pll_freq Set to 1 for VCO frequency range 80-180MHz, set to 0 for VCO frequency range 160-240Mhz. | |
* \param pll_div2 Divide the PLL output frequency by 2 (this settings does not change the FVCO value) | |
* \param pll_wbwdisable 1 Disable the Wide-Bandith Mode (Wide-Bandwith mode allow a faster startup time and out-of-lock time). 0 to enable the Wide-Bandith Mode. | |
*/ | |
extern void pm_pll_set_option(volatile avr32_pm_t *pm, unsigned int pll, unsigned int pll_freq, unsigned int pll_div2, unsigned int pll_wbwdisable); | |
/*! | |
* \brief This function will get a PLL option. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param pll PLL number(0 for PLL0, 1 for PLL1) | |
* \return Option | |
*/ | |
extern unsigned int pm_pll_get_option(volatile avr32_pm_t *pm, unsigned int pll); | |
/*! | |
* \brief This function will enable a PLL. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param pll PLL number(0 for PLL0, 1 for PLL1) | |
*/ | |
extern void pm_pll_enable(volatile avr32_pm_t *pm, unsigned int pll); | |
/*! | |
* \brief This function will disable a PLL. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param pll PLL number(0 for PLL0, 1 for PLL1) | |
*/ | |
extern void pm_pll_disable(volatile avr32_pm_t *pm, unsigned int pll); | |
/*! | |
* \brief This function will wait for PLL0 locked | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_wait_for_pll0_locked(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will wait for PLL1 locked | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
*/ | |
extern void pm_wait_for_pll1_locked(volatile avr32_pm_t *pm); | |
/*! | |
* \brief This function will switch the power manager main clock. | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param clock Clock to be switched on. AVR32_PM_MCSEL_SLOW for RCOsc, AVR32_PM_MCSEL_OSC0 for Osc0, AVR32_PM_MCSEL_PLL0 for PLL0. | |
*/ | |
extern void pm_switch_to_clock(volatile avr32_pm_t *pm, unsigned long clock); | |
/*! | |
* \brief Switch main clock to clock Osc0 (crystal mode) | |
* \param pm Base address of the Power Manager (i.e. &AVR32_PM) | |
* \param fosc0 Oscillator 0 crystal frequency (Hz) | |
* \param startup Crystal 0 startup time. Time is expressed in term of RCOsc periods (3-bit value) | |
*/ | |
extern void pm_switch_to_osc0(volatile avr32_pm_t *pm, unsigned int fosc0, unsigned int startup); | |
#endif // _PM_H_ |