/****************************************************************************** * Filename: aux_wuc.c * Revised: 2017-06-05 12:13:49 +0200 (Mon, 05 Jun 2017) * Revision: 49096 * * Description: Driver for the AUX Wakeup Controller. * * Copyright (c) 2015 - 2017, 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 "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; } }