| /****************************************************************************** |
| * Filename: aux_wuc.c |
| * Revised: 2016-02-24 14:08:55 +0100 (Wed, 24 Feb 2016) |
| * Revision: 45767 |
| * |
| * Description: Driver for the AUX Wakeup Controller. |
| * |
| * Copyright (c) 2015 - 2016, Texas Instruments Incorporated |
| * 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) Neither the name of the ORGANIZATION nor the names of its 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 HOLDER 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. |
| * |
| ******************************************************************************/ |
| |
| #include <driverlib/aux_wuc.h> |
| |
| //***************************************************************************** |
| // |
| // Handle support for DriverLib in ROM: |
| // This section will undo prototype renaming made in the header file |
| // |
| //***************************************************************************** |
| #if !defined(DOXYGEN) |
| #undef AUXWUCClockEnable |
| #define AUXWUCClockEnable NOROM_AUXWUCClockEnable |
| #undef AUXWUCClockDisable |
| #define AUXWUCClockDisable NOROM_AUXWUCClockDisable |
| #undef AUXWUCClockStatus |
| #define AUXWUCClockStatus NOROM_AUXWUCClockStatus |
| #undef AUXWUCPowerCtrl |
| #define AUXWUCPowerCtrl NOROM_AUXWUCPowerCtrl |
| #endif |
| |
| //**************************************************************************** |
| // |
| //! Enable clocks for peripherals in the AUX domain |
| // |
| //**************************************************************************** |
| void |
| AUXWUCClockEnable(uint32_t ui32Clocks) |
| { |
| // |
| // Check the arguments. |
| // |
| ASSERT((ui32Clocks & AUX_WUC_ADI_CLOCK) || |
| (ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) || |
| (ui32Clocks & AUX_WUC_TDCIF_CLOCK) || |
| (ui32Clocks & AUX_WUC_ANAIF_CLOCK) || |
| (ui32Clocks & AUX_WUC_TIMER_CLOCK) || |
| (ui32Clocks & AUX_WUC_AIODIO0_CLOCK) || |
| (ui32Clocks & AUX_WUC_AIODIO1_CLOCK) || |
| (ui32Clocks & AUX_WUC_SMPH_CLOCK) || |
| (ui32Clocks & AUX_WUC_TDC_CLOCK) || |
| (ui32Clocks & AUX_WUC_ADC_CLOCK) || |
| (ui32Clocks & AUX_WUC_REF_CLOCK)); |
| |
| // |
| // Enable some of the clocks in the clock register. |
| // |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0) |= (ui32Clocks & |
| AUX_WUC_MODCLK_MASK); |
| |
| // |
| // Check the rest. |
| // |
| if(ui32Clocks & AUX_WUC_ADC_CLOCK) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_ADCCLKCTL) = |
| AUX_WUC_ADCCLKCTL_REQ; |
| } |
| if(ui32Clocks & AUX_WUC_TDC_CLOCK) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_TDCCLKCTL) = |
| AUX_WUC_TDCCLKCTL_REQ; |
| } |
| if(ui32Clocks & AUX_WUC_REF_CLOCK) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_REFCLKCTL) = |
| AUX_WUC_REFCLKCTL_REQ; |
| } |
| } |
| |
| //**************************************************************************** |
| // |
| //! Disable clocks for peripherals in the AUX domain |
| // |
| //**************************************************************************** |
| void |
| AUXWUCClockDisable(uint32_t ui32Clocks) |
| { |
| // |
| // Check the arguments. |
| // |
| ASSERT((ui32Clocks & AUX_WUC_ADI_CLOCK) || |
| (ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) || |
| (ui32Clocks & AUX_WUC_TDCIF_CLOCK) || |
| (ui32Clocks & AUX_WUC_ANAIF_CLOCK) || |
| (ui32Clocks & AUX_WUC_TIMER_CLOCK) || |
| (ui32Clocks & AUX_WUC_AIODIO0_CLOCK) || |
| (ui32Clocks & AUX_WUC_AIODIO1_CLOCK) || |
| (ui32Clocks & AUX_WUC_SMPH_CLOCK) || |
| (ui32Clocks & AUX_WUC_TDC_CLOCK) || |
| (ui32Clocks & AUX_WUC_ADC_CLOCK) || |
| (ui32Clocks & AUX_WUC_REF_CLOCK)); |
| |
| // |
| // Disable some of the clocks in the clock register. |
| // |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0) &= ~(ui32Clocks & |
| AUX_WUC_MODCLK_MASK); |
| |
| // |
| // Check the rest. |
| // |
| if(ui32Clocks & AUX_WUC_ADC_CLOCK) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_ADCCLKCTL) &= |
| ~AUX_WUC_ADCCLKCTL_REQ; |
| } |
| if(ui32Clocks & AUX_WUC_TDC_CLOCK) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_TDCCLKCTL) &= |
| ~AUX_WUC_TDCCLKCTL_REQ; |
| } |
| if(ui32Clocks & AUX_WUC_REF_CLOCK) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_REFCLKCTL) &= |
| ~AUX_WUC_REFCLKCTL_REQ; |
| } |
| } |
| |
| //**************************************************************************** |
| // |
| //! Get the status of a clock |
| // |
| //**************************************************************************** |
| uint32_t |
| AUXWUCClockStatus(uint32_t ui32Clocks) |
| { |
| bool bClockStatus; |
| uint32_t ui32ClockRegister; |
| |
| // |
| // Check the arguments. |
| // |
| ASSERT((ui32Clocks & AUX_WUC_ADI_CLOCK) || |
| (ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) || |
| (ui32Clocks & AUX_WUC_TDCIF_CLOCK) || |
| (ui32Clocks & AUX_WUC_ANAIF_CLOCK) || |
| (ui32Clocks & AUX_WUC_TIMER_CLOCK) || |
| (ui32Clocks & AUX_WUC_AIODIO0_CLOCK) || |
| (ui32Clocks & AUX_WUC_AIODIO1_CLOCK) || |
| (ui32Clocks & AUX_WUC_SMPH_CLOCK) || |
| (ui32Clocks & AUX_WUC_TDC_CLOCK) || |
| (ui32Clocks & AUX_WUC_ADC_CLOCK) || |
| (ui32Clocks & AUX_WUC_REF_CLOCK)); |
| |
| bClockStatus = true; |
| |
| // |
| // Read the status registers. |
| // |
| ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN0); |
| |
| // |
| // Check all requested clocks |
| // |
| if(ui32Clocks & AUX_WUC_ADI_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_AUX_ADI4 ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_OSCCTRL_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_AUX_DDI0_OSC ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_TDCIF_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_TDC ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_ANAIF_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_ANAIF ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_TIMER_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_TIMER ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_AIODIO0_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_AIODIO0 ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_AIODIO1_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_AIODIO1 ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_SMPH_CLOCK) |
| { |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_MODCLKEN0_SMPH ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_ADC_CLOCK) |
| { |
| ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_ADCCLKCTL); |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_ADCCLKCTL_ACK ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_TDC_CLOCK) |
| { |
| ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_TDCCLKCTL); |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_TDCCLKCTL_ACK ? |
| true : false); |
| } |
| if(ui32Clocks & AUX_WUC_REF_CLOCK) |
| { |
| ui32ClockRegister = HWREG(AUX_WUC_BASE + AUX_WUC_O_REFCLKCTL); |
| bClockStatus = bClockStatus && (ui32ClockRegister & |
| AUX_WUC_REFCLKCTL_ACK ? |
| true : false); |
| } |
| |
| // |
| // Return the clock status. |
| // |
| return bClockStatus ? AUX_WUC_CLOCK_READY : AUX_WUC_CLOCK_OFF; |
| } |
| |
| //**************************************************************************** |
| // |
| //! Control the power to the AUX domain |
| // |
| //**************************************************************************** |
| void |
| AUXWUCPowerCtrl(uint32_t ui32PowerMode) |
| { |
| // |
| // Check the arguments. |
| // |
| ASSERT((ui32PowerMode == AUX_WUC_POWER_OFF) || |
| (ui32PowerMode == AUX_WUC_POWER_DOWN) || |
| (ui32PowerMode == AUX_WUC_POWER_ACTIVE)); |
| |
| // |
| // Power on/off. |
| // |
| if(ui32PowerMode == AUX_WUC_POWER_OFF) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_PWROFFREQ) = AUX_WUC_PWROFFREQ_REQ; |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_MCUBUSCTL) = AUX_WUC_MCUBUSCTL_DISCONNECT_REQ; |
| return; |
| } |
| else |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_PWROFFREQ) = 0x0; |
| } |
| |
| // |
| // Power down/active. |
| // |
| if(ui32PowerMode == AUX_WUC_POWER_DOWN) |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_PWRDWNREQ) = |
| AUX_WUC_PWRDWNREQ_REQ; |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_MCUBUSCTL) = AUX_WUC_MCUBUSCTL_DISCONNECT_REQ; |
| } |
| else |
| { |
| HWREG(AUX_WUC_BASE + AUX_WUC_O_PWRDWNREQ) = 0x0; |
| } |
| } |
