/****************************************************************************** * Filename: pwr_ctrl.c * Revised: 2017-06-05 12:13:49 +0200 (Mon, 05 Jun 2017) * Revision: 49096 * * Description: Power Control driver. * * 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 "pwr_ctrl.h" //***************************************************************************** // // Handle support for DriverLib in ROM: // This section will undo prototype renaming made in the header file // //***************************************************************************** #if !defined(DOXYGEN) #undef PowerCtrlSourceSet #define PowerCtrlSourceSet NOROM_PowerCtrlSourceSet #endif //***************************************************************************** // // Set (Request) the main power source // //***************************************************************************** void PowerCtrlSourceSet(uint32_t ui32PowerConfig) { // Check the arguments. ASSERT((ui32PowerConfig == PWRCTRL_PWRSRC_DCDC) || (ui32PowerConfig == PWRCTRL_PWRSRC_GLDO) || (ui32PowerConfig == PWRCTRL_PWRSRC_ULDO)); // Configure the power. if(ui32PowerConfig == PWRCTRL_PWRSRC_DCDC) { HWREG(AON_PMCTL_BASE + AON_PMCTL_O_PWRCTL) |= (AON_PMCTL_PWRCTL_DCDC_EN | AON_PMCTL_PWRCTL_DCDC_ACTIVE); } else if (ui32PowerConfig == PWRCTRL_PWRSRC_GLDO) { HWREG(AON_PMCTL_BASE + AON_PMCTL_O_PWRCTL) &= ~(AON_PMCTL_PWRCTL_DCDC_EN | AON_PMCTL_PWRCTL_DCDC_ACTIVE); } else { PRCMMcuUldoConfigure(true); } }