/******************************************************************************* * Copyright (C) 2019, Huada Semiconductor Co.,Ltd All rights reserved. * * This software is owned and published by: * Huada Semiconductor Co.,Ltd ("HDSC"). * * BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND * BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT. * * This software contains source code for use with HDSC * components. This software is licensed by HDSC to be adapted only * for use in systems utilizing HDSC components. HDSC shall not be * responsible for misuse or illegal use of this software for devices not * supported herein. HDSC is providing this software "AS IS" and will * not be responsible for issues arising from incorrect user implementation * of the software. * * Disclaimer: * HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE, * REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS), * ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING, * WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED * WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED * WARRANTY OF NONINFRINGEMENT. * HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT, * NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT * LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, * LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR * INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA, * SAVINGS OR PROFITS, * EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR * INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED * FROM, THE SOFTWARE. * * This software may be replicated in part or whole for the licensed use, * with the restriction that this Disclaimer and Copyright notice must be * included with each copy of this software, whether used in part or whole, * at all times. */ /******************************************************************************/ /** \file system_hc32l136.c ** ** System clock initialization. ** @link SampleGroup Some description @endlink ** ** - 2019-03-01 1.0 Lux First version. ** ******************************************************************************/ /******************************************************************************/ /* Include files */ /******************************************************************************/ #include "base_types.h" #include "hc32l19x.h" #include "system_hc32l19x.h" #include "hc32l196_sysctrl.h" /** ****************************************************************************** ** System Clock Frequency (Core Clock) Variable according CMSIS ******************************************************************************/ uint32_t SystemCoreClock = 4000000; //add clock source. void SystemCoreClockUpdate (void) // Update SystemCoreClock variable { SystemCoreClock = Sysctrl_GetHClkFreq(); } /** ****************************************************************************** ** \brief 对MCU未引出IO端口进行默认配置. ** ** \param none ** \return none ******************************************************************************/ static void _InitHidePin(void) { uint32_t tmpReg = M0P_SYSCTRL->PERI_CLKEN0; M0P_SYSCTRL->PERI_CLKEN0_f.GPIO = 1; #if defined(HC32L19xPxxx) //100PIN MCU M0P_GPIO->PFADS &= 0xFF4F; ///< PF04/PF05/PF07配置为数字端口 M0P_GPIO->PFDIR |= 0x00B0; ///< PF04/PF05/PF07配置为端口输入 M0P_GPIO->PFPU |= 0x00B0; ///< PF04/PF05/PF07配置为上拉 #elif defined(HC32L19xMxxx) //80PIN MCU M0P_GPIO->PDADS &= 0x0F1F; ///< PD05~07/PD12~15配置为数字端口 M0P_GPIO->PEADS &= 0x783C; ///< PE00/PE01/PE06~10/PE15配置为数字端口 M0P_GPIO->PFADS &= 0xF9F3; ///< PF02/PF03/PF09/PF10配置为数字端口 M0P_GPIO->PDDIR |= 0xF0E0; ///< PD05~07/PD12~15配置为端口输入 M0P_GPIO->PEDIR |= 0x87C3; ///< PE00/PE01/PE06~10/PE15配置为端口输入 M0P_GPIO->PFDIR |= 0x060C; ///< PF02/PF03/PF09/PF10配置为数字端口 M0P_GPIO->PDPU |= 0xF0E0; ///< PD05~07/PD12~15配置为上拉 M0P_GPIO->PEPU |= 0x87C3; ///< PE00/PE01/PE06~10/PE15配置为上拉 M0P_GPIO->PFPU |= 0x060C; ///< PF02/PF03/PF09/PF10配置为数字端口 #elif defined(HC32L19xKxxx) //64PIN MCU M0P_GPIO->PDADS &= 0x0004; ///< PD00/PD01/PD03~15配置为数字端口 M0P_GPIO->PEADS &= 0x0000; ///< PE00~15配置为数字端口 M0P_GPIO->PFADS &= 0xF9F3; ///< PF02/PF03/PF09/PF10配置为数字端口 M0P_GPIO->PDDIR |= 0xFFFB; ///< PD00/PD01/PD03~15配置为端口输入 M0P_GPIO->PEDIR |= 0xFFFF; ///< PE00~15配置为端口输入 M0P_GPIO->PFDIR |= 0x060C; ///< PF02/PF03/PF09/PF10配置为数字端口 M0P_GPIO->PDPU |= 0xFFFB; ///< PD00/PD01/PD03~15配置为上拉 M0P_GPIO->PEPU |= 0xFFFF; ///< PE00~15配置为上拉 M0P_GPIO->PFPU |= 0x060C; ///< PF02/PF03/PF09/PF10配置为数字端口 #elif defined(HC32L19xJxxx) //48PIN MCU M0P_GPIO->PCADS &= 0xE000; ///< PC00~12配置为数字端口 M0P_GPIO->PDADS &= 0x0000; ///< PD00~15配置为数字端口 M0P_GPIO->PEADS &= 0x0000; ///< PE00~15配置为数字端口 M0P_GPIO->PFADS &= 0xF9C3; ///< PF02~05/PF09/PF10配置为数字端口 M0P_GPIO->PCDIR |= 0x1FFF; ///< PC00~12配置为端口输入 M0P_GPIO->PDDIR |= 0xFFFF; ///< PD00~15配置为端口输入 M0P_GPIO->PEDIR |= 0xFFFF; ///< PE00~15配置为端口输入 M0P_GPIO->PFDIR |= 0x063C; ///< PF02~05/PF09/PF10配置为数字端口 M0P_GPIO->PCPU |= 0x1FFF; ///< PC00~12配置为上拉 M0P_GPIO->PDPU |= 0xFFFF; ///< PD00~15配置为上拉 M0P_GPIO->PEPU |= 0xFFFF; ///< PE00~15配置为上拉 M0P_GPIO->PFPU |= 0x063C; ///< PF02~05/PF09/PF10配置为数字端口 #elif defined(HC32L19xFxxx) //32PIN MCU M0P_GPIO->PAADS &= 0xFFF4; ///< PA00/PA01/PA03配置为数字端口 M0P_GPIO->PBADS &= 0x08FB; ///< PB02/PB08~10/PB12~15配置为数字端口 M0P_GPIO->PCADS &= 0xC000; ///< PC00~13配置为数字端口 M0P_GPIO->PDADS &= 0x0000; ///< PD00~15配置为数字端口 M0P_GPIO->PEADS &= 0x0000; ///< PE00~15配置为数字端口 M0P_GPIO->PFADS &= 0xF903; ///< PF02~07/PF09/PF10配置为数字端口 M0P_GPIO->PADIR |= 0x000B; ///< PA00/PA01/PA03配置为端口输入 M0P_GPIO->PBDIR |= 0xF704; ///< PB02/PB08~10/PB12~15配置为端口输入 M0P_GPIO->PCDIR |= 0x3FFF; ///< PC00~13配置为端口输入 M0P_GPIO->PDDIR |= 0xFFFF; ///< PD00~15配置为端口输入 M0P_GPIO->PEDIR |= 0xFFFF; ///< PE00~15配置为端口输入 M0P_GPIO->PFDIR |= 0x06FC; ///< PF02~07/PF09/PF10配置为数字端口 M0P_GPIO->PAPU |= 0x000B; ///< PA00/PA01/PA03配置为上拉 M0P_GPIO->PBPU |= 0xF704; ///< PB02/PB08~10/PB12~15配置为上拉 M0P_GPIO->PCPU |= 0x3FFF; ///< PC00~13配置为上拉 M0P_GPIO->PDPU |= 0xFFFF; ///< PD00~15配置为上拉 M0P_GPIO->PEPU |= 0xFFFF; ///< PE00~15配置为上拉 M0P_GPIO->PFPU |= 0x06FC; ///< PF02~07/PF09/PF10配置为数字端口 #endif M0P_SYSCTRL->PERI_CLKEN0 = tmpReg; } /** ****************************************************************************** ** \brief Setup the microcontroller system. Initialize the System and update ** the SystemCoreClock variable. ** ** \param none ** \return none ******************************************************************************/ void SystemInit(void) { M0P_SYSCTRL->RCL_CR_f.TRIM = (*((volatile uint16_t*) (0x00100C22ul))); M0P_SYSCTRL->RCH_CR_f.TRIM = (*((volatile uint16_t*) (0x00100C08ul))); SystemCoreClockUpdate(); _InitHidePin(); }