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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Add FreeRTOS-Plus directory.
This commit is contained in:
Richard Barry
parent
7bd5f21ad5
commit
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6798 changed files with 134949 additions and 19 deletions
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include "supc.h"
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#include <board.h>
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#include <utility/assert.h>
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//------------------------------------------------------------------------------
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// Local definitions
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//------------------------------------------------------------------------------
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/// Key value for the SUPC_MR register.
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#define SUPC_KEY ((unsigned int) (0xA5 << 24))
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//------------------------------------------------------------------------------
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// Global functions
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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/// Enables the SLCD power supply.
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/// \param internal If 1, the power supply is configured as internal; otherwise
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/// it is set at external.
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//------------------------------------------------------------------------------
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void SUPC_EnableSlcd(unsigned char internal)
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{
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if (internal) {
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_LCDMODE) | AT91C_SUPC_LCDMODE_INTERNAL;
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}
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else {
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_LCDMODE) | AT91C_SUPC_LCDMODE_EXTERNAL;
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}
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while ((AT91C_BASE_SUPC->SUPC_SR & AT91C_SUPC_LCDS) != AT91C_SUPC_LCDS);
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}
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//------------------------------------------------------------------------------
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/// Disables the SLCD power supply.
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//------------------------------------------------------------------------------
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void SUPC_DisableSlcd(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_LCDMODE);
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while ((AT91C_BASE_SUPC->SUPC_SR & AT91C_SUPC_LCDS) == AT91C_SUPC_LCDS);
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}
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//------------------------------------------------------------------------------
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/// Sets the output voltage of the SLCD charge pump.
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/// \param voltage Output voltage.
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//------------------------------------------------------------------------------
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void SUPC_SetSlcdVoltage(unsigned int voltage)
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{
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SANITY_CHECK((voltage & ~AT91C_SUPC_LCDOUT) == 0);
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_LCDOUT) | voltage;
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}
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#if !defined(__ICCARM__)
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__attribute__ ((section (".ramfunc"))) // GCC
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#endif
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//------------------------------------------------------------------------------
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/// Enables the flash power supply with the given wake-up setting.
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/// \param time Wake-up time.
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//------------------------------------------------------------------------------
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void SUPC_EnableFlash(unsigned int time)
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{
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AT91C_BASE_SUPC->SUPC_FWUTR = time;
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | AT91C_BASE_SUPC->SUPC_MR | AT91C_SUPC_FLASHON;
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while ((AT91C_BASE_SUPC->SUPC_SR & AT91C_SUPC_FLASHS) != AT91C_SUPC_FLASHS);
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}
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#if !defined(__ICCARM__)
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__attribute__ ((section (".ramfunc"))) // GCC
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#endif
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//------------------------------------------------------------------------------
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/// Disables the flash power supply.
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//------------------------------------------------------------------------------
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void SUPC_DisableFlash(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_FLASHON);
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while ((AT91C_BASE_SUPC->SUPC_SR & AT91C_SUPC_FLASHS) == AT91C_SUPC_FLASHS);
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}
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//------------------------------------------------------------------------------
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/// Sets the voltage regulator output voltage.
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/// \param voltage Voltage to set.
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//------------------------------------------------------------------------------
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void SUPC_SetVoltageOutput(unsigned int voltage)
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{
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SANITY_CHECK((voltage & ~AT91C_SUPC_VRVDD) == 0);
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_VRVDD) | voltage;
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}
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//------------------------------------------------------------------------------
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/// Puts the voltage regulator in deep mode.
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//------------------------------------------------------------------------------
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void SUPC_EnableDeepMode(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | AT91C_BASE_SUPC->SUPC_MR | AT91C_SUPC_VRDEEP;
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}
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//------------------------------------------------------------------------------
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/// Puts the voltage regulator in normal mode.
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//------------------------------------------------------------------------------
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void SUPC_DisableDeepMode(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_VRDEEP);
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}
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//-----------------------------------------------------------------------------
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/// Enables the backup SRAM power supply, so its data is saved while the device
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/// is in backup mode.
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//-----------------------------------------------------------------------------
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void SUPC_EnableSram(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | AT91C_BASE_SUPC->SUPC_MR | AT91C_SUPC_SRAMON;
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}
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//-----------------------------------------------------------------------------
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/// Disables the backup SRAM power supply.
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//-----------------------------------------------------------------------------
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void SUPC_DisableSram(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_SRAMON);
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}
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//-----------------------------------------------------------------------------
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/// Enables the RTC power supply.
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//-----------------------------------------------------------------------------
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void SUPC_EnableRtc(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | AT91C_BASE_SUPC->SUPC_MR | AT91C_SUPC_RTCON;
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while ((AT91C_BASE_SUPC->SUPC_SR & AT91C_SUPC_RTS) != AT91C_SUPC_RTS);
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}
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//-----------------------------------------------------------------------------
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/// Disables the RTC power supply.
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//-----------------------------------------------------------------------------
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void SUPC_DisableRtc(void)
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{
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AT91C_BASE_SUPC->SUPC_MR = SUPC_KEY | (AT91C_BASE_SUPC->SUPC_MR & ~AT91C_SUPC_RTCON);
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while ((AT91C_BASE_SUPC->SUPC_SR & AT91C_SUPC_RTS) == AT91C_SUPC_RTS);
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}
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//-----------------------------------------------------------------------------
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/// Sets the BOD sampling mode (or disables it).
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/// \param mode BOD sampling mode.
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//-----------------------------------------------------------------------------
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void SUPC_SetBodSampling(unsigned int mode)
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{
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SANITY_CHECK((mode & ~AT91C_SUPC_BODSMPL) == 0);
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AT91C_BASE_SUPC->SUPC_BOMR &= ~AT91C_SUPC_BODSMPL;
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AT91C_BASE_SUPC->SUPC_BOMR |= mode;
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}
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//------------------------------------------------------------------------------
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/// Disables the voltage regulator, which makes the device enter backup mode.
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//------------------------------------------------------------------------------
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void SUPC_DisableVoltageRegulator(void)
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{
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AT91C_BASE_SUPC->SUPC_CR = SUPC_KEY | AT91C_SUPC_VROFF;
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while (1);
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}
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//------------------------------------------------------------------------------
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/// Shuts the device down so it enters Off mode.
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//------------------------------------------------------------------------------
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void SUPC_Shutdown(void)
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{
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AT91C_BASE_SUPC->SUPC_CR = SUPC_KEY | AT91C_SUPC_SHDW;
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while (1);
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}
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//------------------------------------------------------------------------------
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/// Sets the wake-up sources when in backup mode.
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/// \param sources Wake-up sources to enable.
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//------------------------------------------------------------------------------
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void SUPC_SetWakeUpSources(unsigned int sources)
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{
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SANITY_CHECK((sources & ~0x0000000B) == 0);
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AT91C_BASE_SUPC->SUPC_WUMR &= ~0x0000000B;
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AT91C_BASE_SUPC->SUPC_WUMR |= sources;
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}
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//------------------------------------------------------------------------------
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/// Sets the wake-up inputs when in backup mode.
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/// \param inputs Wake up inputs to enable.
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//------------------------------------------------------------------------------
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void SUPC_SetWakeUpInputs(unsigned int inputs)
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{
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SANITY_CHECK((inputs & ~0xFFFF) == 0);
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AT91C_BASE_SUPC->SUPC_WUIR &= ~0xFFFF;
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AT91C_BASE_SUPC->SUPC_WUIR |= inputs;
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}
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@ -0,0 +1,80 @@
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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#ifndef SUPC_H
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#define SUPC_H
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//------------------------------------------------------------------------------
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// Global functions
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//------------------------------------------------------------------------------
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extern void SUPC_EnableSlcd(unsigned char internal);
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extern void SUPC_DisableSlcd(void);
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extern void SUPC_SetSlcdVoltage(unsigned int voltage);
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extern
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#ifdef __ICCARM__
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__ramfunc // IAR
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#endif
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void SUPC_EnableFlash(unsigned int time);
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extern
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#ifdef __ICCARM__
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__ramfunc // IAR
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#endif
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void SUPC_DisableFlash(void);
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extern void SUPC_SetVoltageOutput(unsigned int voltage);
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extern void SUPC_EnableDeepMode(void);
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extern void SUPC_EnableSram(void);
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extern void SUPC_DisableSram(void);
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extern void SUPC_EnableRtc(void);
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extern void SUPC_DisableRtc(void);
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extern void SUPC_SetBodSampling(unsigned int mode);
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extern void SUPC_DisableDeepMode(void);
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extern void SUPC_DisableVoltageRegulator(void);
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extern void SUPC_Shutdown(void);
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extern void SUPC_SetWakeUpSources(unsigned int sources);
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extern void SUPC_SetWakeUpInputs(unsigned int inputs);
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#endif //#ifndef SUPC_H
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