1 /***************************************************************************//** 2 * @file 3 * @brief Device initialization for EMU. 4 ******************************************************************************* 5 * # License 6 * <b>Copyright 2019 Silicon Laboratories Inc. www.silabs.com</b> 7 ******************************************************************************* 8 * 9 * SPDX-License-Identifier: Zlib 10 * 11 * The licensor of this software is Silicon Laboratories Inc. 12 * 13 * This software is provided 'as-is', without any express or implied 14 * warranty. In no event will the authors be held liable for any damages 15 * arising from the use of this software. 16 * 17 * Permission is granted to anyone to use this software for any purpose, 18 * including commercial applications, and to alter it and redistribute it 19 * freely, subject to the following restrictions: 20 * 21 * 1. The origin of this software must not be misrepresented; you must not 22 * claim that you wrote the original software. If you use this software 23 * in a product, an acknowledgment in the product documentation would be 24 * appreciated but is not required. 25 * 2. Altered source versions must be plainly marked as such, and must not be 26 * misrepresented as being the original software. 27 * 3. This notice may not be removed or altered from any source distribution. 28 * 29 ******************************************************************************/ 30 31 #include "sl_device_init_emu.h" 32 #include "sl_device_init_emu_config.h" 33 34 #include "em_emu.h" 35 sl_device_init_emu(void)36sl_status_t sl_device_init_emu(void) 37 { 38 // EM2 set debug enable 39 EMU->CTRL = (EMU->CTRL & ~_EMU_CTRL_EM2DBGEN_MASK) 40 | (SL_DEVICE_INIT_EMU_EM2_DEBUG_ENABLE << _EMU_CTRL_EM2DBGEN_SHIFT); 41 42 // EM4 Init 43 EMU_EM4Init_TypeDef em4_init = EMU_EM4INIT_DEFAULT; 44 45 em4_init.pinRetentionMode = SL_DEVICE_INIT_EMU_EM4_PIN_RETENTION_MODE; 46 EMU_EM4Init(&em4_init); 47 48 return SL_STATUS_OK; 49 } 50