added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
Diff: targets/hal/TARGET_Maxim/TARGET_MAX32620/TARGET_MAX32620HSP/low_level_init.c
- Revision:
- 144:ef7eb2e8f9f7
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/hal/TARGET_Maxim/TARGET_MAX32620/TARGET_MAX32620HSP/low_level_init.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_Maxim/TARGET_MAX32620/TARGET_MAX32620HSP/low_level_init.c Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,51 @@ +/******************************************************************************* + * Copyright (C) 2016 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 "pwrman_regs.h" + +//****************************************************************************** +// This function will get called early in system initialization +void low_level_init(void) +{ + /* HSP platform does not have an external HW reset. During development, + * debug triggered resets do not reset the entire system properly. This + * work-around ensures a proper system reset. + */ + if (*((volatile uint32_t*)MXC_SYS_MEM_BASE) != 0xDEADBEEF) { + *((volatile uint32_t*)MXC_SYS_MEM_BASE) = 0xDEADBEEF; + MXC_PWRMAN->pwr_rst_ctrl |= MXC_F_PWRMAN_PWR_RST_CTRL_FIRMWARE_RESET; + } else { + *((volatile uint32_t*)MXC_SYS_MEM_BASE) = 0; + } +}