/******************************************************************************* * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. ******************************************************************************* */ #include "cmsis.h" #include "ioman_regs.h" #include "gpio_regs.h" //****************************************************************************** // This function will get called early in system initialization void low_level_init(void) { /* The MAX32625PICO board utilizes a bootloader that can leave some * peripherals in a partially configured state. This function resets * those to allow proper initialization. */ MXC_IOMAN->uart0_req = 0x0; // Clear any requests MXC_IOMAN->uart1_req = 0x0; // Clear any requests MXC_GPIO->inten[2] = 0x0; // Clear interrupt enable MXC_GPIO->int_mode[2] = 0x0; // Clear interrupt mode MXC_GPIO->in_mode[2] = 0x22222222; // Clear input mode MXC_GPIO->out_val[2] = 0x0; // Clear output value MXC_GPIO->out_mode[2] = 0xFFFFFFFF; // Clear output mode }