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284 lines
11 KiB
C
284 lines
11 KiB
C
/******************************************************************************
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* Filename: aux_wuc.c
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* Revised: 2017-06-05 12:13:49 +0200 (Mon, 05 Jun 2017)
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* Revision: 49096
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*
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* Description: Driver for the AUX Wakeup Controller.
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*
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* Copyright (c) 2015 - 2017, Texas Instruments Incorporated
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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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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of the ORGANIZATION nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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#include "aux_wuc.h"
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//*****************************************************************************
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//
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// Handle support for DriverLib in ROM:
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// This section will undo prototype renaming made in the header file
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//
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//*****************************************************************************
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#if !defined(DOXYGEN)
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#undef AUXWUCClockEnable
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#define AUXWUCClockEnable NOROM_AUXWUCClockEnable
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#undef AUXWUCClockDisable
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#define AUXWUCClockDisable NOROM_AUXWUCClockDisable
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#undef AUXWUCClockStatus
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#define AUXWUCClockStatus NOROM_AUXWUCClockStatus
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#undef AUXWUCPowerCtrl
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#define AUXWUCPowerCtrl NOROM_AUXWUCPowerCtrl
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#endif
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//****************************************************************************
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//
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//! Enable clocks for peripherals in the AUX domain
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//
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//****************************************************************************
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void
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AUXWUCClockEnable(uint32_t ui32Clocks)
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{
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// Check the arguments.
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ASSERT((ui32Clocks & AUX_WUC_ADI_CLOCK) ||
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(ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) ||
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(ui32Clocks & AUX_WUC_TDCIF_CLOCK) ||
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(ui32Clocks & AUX_WUC_ANAIF_CLOCK) ||
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(ui32Clocks & AUX_WUC_TIMER_CLOCK) ||
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(ui32Clocks & AUX_WUC_AIODIO0_CLOCK) ||
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(ui32Clocks & AUX_WUC_AIODIO1_CLOCK) ||
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(ui32Clocks & AUX_WUC_SMPH_CLOCK) ||
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(ui32Clocks & AUX_WUC_TDC_CLOCK) ||
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(ui32Clocks & AUX_WUC_ADC_CLOCK) ||
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(ui32Clocks & AUX_WUC_REF_CLOCK));
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// Enable some of the clocks in the clock register.
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HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0) |= (ui32Clocks &
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AUX_WUC_MODCLK_MASK);
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// Check the rest.
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if(ui32Clocks & AUX_WUC_ADC_CLOCK)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_ADCCLKCTL) =
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AUX_WUC_ADCCLKCTL_REQ;
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}
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if(ui32Clocks & AUX_WUC_TDC_CLOCK)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_TDCCLKCTL) =
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AUX_WUC_TDCCLKCTL_REQ;
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}
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if(ui32Clocks & AUX_WUC_REF_CLOCK)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_REFCLKCTL) =
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AUX_WUC_REFCLKCTL_REQ;
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}
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}
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//****************************************************************************
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//
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//! Disable clocks for peripherals in the AUX domain
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//
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//****************************************************************************
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void
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AUXWUCClockDisable(uint32_t ui32Clocks)
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{
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// Check the arguments.
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ASSERT((ui32Clocks & AUX_WUC_ADI_CLOCK) ||
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(ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) ||
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(ui32Clocks & AUX_WUC_TDCIF_CLOCK) ||
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(ui32Clocks & AUX_WUC_ANAIF_CLOCK) ||
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(ui32Clocks & AUX_WUC_TIMER_CLOCK) ||
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(ui32Clocks & AUX_WUC_AIODIO0_CLOCK) ||
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(ui32Clocks & AUX_WUC_AIODIO1_CLOCK) ||
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(ui32Clocks & AUX_WUC_SMPH_CLOCK) ||
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(ui32Clocks & AUX_WUC_TDC_CLOCK) ||
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(ui32Clocks & AUX_WUC_ADC_CLOCK) ||
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(ui32Clocks & AUX_WUC_REF_CLOCK));
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// Disable some of the clocks in the clock register.
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HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0) &= ~(ui32Clocks &
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AUX_WUC_MODCLK_MASK);
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// Check the rest.
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if(ui32Clocks & AUX_WUC_ADC_CLOCK)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_ADCCLKCTL) &=
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~AUX_WUC_ADCCLKCTL_REQ;
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}
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if(ui32Clocks & AUX_WUC_TDC_CLOCK)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_TDCCLKCTL) &=
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~AUX_WUC_TDCCLKCTL_REQ;
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}
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if(ui32Clocks & AUX_WUC_REF_CLOCK)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_REFCLKCTL) &=
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~AUX_WUC_REFCLKCTL_REQ;
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}
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}
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//****************************************************************************
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//
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//! Get the status of a clock
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//
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//****************************************************************************
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uint32_t
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AUXWUCClockStatus(uint32_t ui32Clocks)
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{
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bool bClockStatus;
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uint32_t ui32ClockRegister;
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// Check the arguments.
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ASSERT((ui32Clocks & AUX_WUC_ADI_CLOCK) ||
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(ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) ||
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(ui32Clocks & AUX_WUC_TDCIF_CLOCK) ||
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(ui32Clocks & AUX_WUC_ANAIF_CLOCK) ||
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(ui32Clocks & AUX_WUC_TIMER_CLOCK) ||
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(ui32Clocks & AUX_WUC_AIODIO0_CLOCK) ||
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(ui32Clocks & AUX_WUC_AIODIO1_CLOCK) ||
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(ui32Clocks & AUX_WUC_SMPH_CLOCK) ||
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(ui32Clocks & AUX_WUC_TDC_CLOCK) ||
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(ui32Clocks & AUX_WUC_ADC_CLOCK) ||
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(ui32Clocks & AUX_WUC_REF_CLOCK));
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bClockStatus = true;
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// Read the status registers.
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ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0);
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// Check all requested clocks
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if(ui32Clocks & AUX_WUC_ADI_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_AUX_ADI4 ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_OSCCTRL_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_AUX_DDI0_OSC ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_TDCIF_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_TDC ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_ANAIF_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_ANAIF ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_TIMER_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_TIMER ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_AIODIO0_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_AIODIO0 ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_AIODIO1_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_AIODIO1 ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_SMPH_CLOCK)
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{
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_MODCLKEN0_SMPH ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_ADC_CLOCK)
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{
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ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_ADCCLKCTL);
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_ADCCLKCTL_ACK ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_TDC_CLOCK)
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{
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ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_TDCCLKCTL);
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_TDCCLKCTL_ACK ?
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true : false);
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}
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if(ui32Clocks & AUX_WUC_REF_CLOCK)
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{
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ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_REFCLKCTL);
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bClockStatus = bClockStatus && (ui32ClockRegister &
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AUX_WUC_REFCLKCTL_ACK ?
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true : false);
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}
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// Return the clock status.
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return bClockStatus ? AUX_WUC_CLOCK_READY : AUX_WUC_CLOCK_OFF;
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}
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//****************************************************************************
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//
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//! Control the power to the AUX domain
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//
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//****************************************************************************
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void
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AUXWUCPowerCtrl(uint32_t ui32PowerMode)
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{
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// Check the arguments.
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ASSERT((ui32PowerMode == AUX_WUC_POWER_OFF) ||
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(ui32PowerMode == AUX_WUC_POWER_DOWN) ||
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(ui32PowerMode == AUX_WUC_POWER_ACTIVE));
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// Power on/off.
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if(ui32PowerMode == AUX_WUC_POWER_OFF)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_PWROFFREQ) = AUX_WUC_PWROFFREQ_REQ;
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HWREG(AUX_WUC_BASE + AUX_WUC_O_MCUBUSCTL) = AUX_WUC_MCUBUSCTL_DISCONNECT_REQ;
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return;
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}
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else
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_PWROFFREQ) = 0x0;
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}
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// Power down/active.
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if(ui32PowerMode == AUX_WUC_POWER_DOWN)
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_PWRDWNREQ) = AUX_WUC_PWRDWNREQ_REQ;
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HWREG(AUX_WUC_BASE + AUX_WUC_O_MCUBUSCTL) = AUX_WUC_MCUBUSCTL_DISCONNECT_REQ;
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}
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else
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{
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HWREG(AUX_WUC_BASE + AUX_WUC_O_PWRDWNREQ) = 0x0;
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}
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}
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