/******************************************************************************* * Copyright (C) 2016, 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 ACCOMPANYING 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 main.c ** ** \brief power voltage detected interrupt sample ** ** - 2018-11-06 1.0 Chengy First version for Device Driver Library of PWC. ** ******************************************************************************/ /******************************************************************************* * Include files ******************************************************************************/ #include "hc32_ddl.h" /******************************************************************************* * Local type definitions ('typedef') ******************************************************************************/ /******************************************************************************* * Local pre-processor symbols/macros ('#define') ******************************************************************************/ #define PVD_IRQn (Int141_IRQn) /* LED0 Port/Pin definition */ #define LED0_PORT (PortE) #define LED0_PIN (Pin06) /* LED2 Port/Pin definition */ #define LED2_PORT (PortB) #define LED2_PIN (Pin05) /* LED0~1 definition */ #define LED0_ON() (PORT_SetBits(LED0_PORT, LED0_PIN)) #define LED0_OFF() (PORT_ResetBits(LED0_PORT, LED0_PIN)) /* LED2 definition */ #define LED2_ON() (PORT_SetBits(LED2_PORT, LED2_PIN)) #define LED2_OFF() (PORT_ResetBits(LED2_PORT, LED2_PIN)) /******************************************************************************* * Global variable definitions (declared in header file with 'extern') ******************************************************************************/ /******************************************************************************* * Local function prototypes ('static') ******************************************************************************/ /******************************************************************************* * Local variable definitions ('static') ******************************************************************************/ /******************************************************************************* * Function implementation - global ('extern') and local ('static') ******************************************************************************/ /** ******************************************************************************* ** \brief Led init. ** ** \param None ** ** \retval None ** ******************************************************************************/ static void Led_Init(void) { stc_port_init_t stcPortInit; MEM_ZERO_STRUCT(stcPortInit); stcPortInit.enPinMode = Pin_Mode_Out; stcPortInit.enExInt = Enable; stcPortInit.enPullUp = Enable; PORT_Unlock(); LED0_OFF(); LED2_OFF(); PORT_Lock(); /* LED0 Port/Pin initialization */ PORT_Init(LED0_PORT, LED0_PIN, &stcPortInit); /* LED2 Port/Pin initialization */ PORT_Init(LED2_PORT, LED2_PIN, &stcPortInit); } /** ******************************************************************************* ** \brief PVD1 interrupt function. ** ** \param None ** ** \retval None ** ******************************************************************************/ void Pvd1_IrqHandler(void) { PWC_ClearPvdFlag(PvdU1); PORT_Unlock(); LED0_ON(); PORT_Lock(); } /** ******************************************************************************* ** \brief PVD2 interrupt function. ** ** \param None ** ** \retval None ** ******************************************************************************/ static void Pvd2_IrqCallBack(void) { PWC_ClearPvdFlag(PvdU2); PORT_Unlock(); LED0_OFF(); LED2_ON(); PORT_Lock(); } /** ******************************************************************************* ** \brief PVD1 & PVD2 interrupt. ** ** \param None ** ** \retval int32_t return value, if needed ** ******************************************************************************/ int32_t main(void) { stc_pwc_pvd_cfg_t stcPwcPvdCfg; stc_nmi_config_t stcNmiCfd; MEM_ZERO_STRUCT(stcPwcPvdCfg); Led_Init(); /* Config PVD1. */ /* Disable filter. */ stcPwcPvdCfg.enPvd1FilterEn = Disable; /* Msk interrupt. */ stcPwcPvdCfg.enPvd1Int = MskInt; /* Interrupt. */ stcPwcPvdCfg.stcPvd1Ctl.enPvdMode = PvdInt; /* Enable Pvd1 interrupt. */ stcPwcPvdCfg.stcPvd1Ctl.enPvdIREn = Enable; /* Enable output compared result. */ stcPwcPvdCfg.stcPvd1Ctl.enPvdCmpOutEn = Enable; /* PVD1 Threshold Voltage 2.8V. */ stcPwcPvdCfg.enPvd1Level = Pvd1Level6; /* Config PVD2.*/ /* Disable filter. */ stcPwcPvdCfg.enPvd2FilterEn = Disable; /* Non-Msk interrupt. */ stcPwcPvdCfg.enPvd2Int = NonMskInt; /* Interrupt. */ stcPwcPvdCfg.stcPvd2Ctl.enPvdMode = PvdInt; /* Enable Pvd2 interrupt. */ stcPwcPvdCfg.stcPvd2Ctl.enPvdIREn = Enable; /* Enable output compared result. */ stcPwcPvdCfg.stcPvd2Ctl.enPvdCmpOutEn = Enable; /* PVD2 Threshold Voltage 2.3V. */ stcPwcPvdCfg.enPvd2Level = Pvd2Level1; PWC_PvdCfg(&stcPwcPvdCfg); /* Config NMI.*/ /* Set PVD2 as NMI source. */ stcNmiCfd.u16NmiSrc = NmiSrcVdu2; /* Disbale filter. */ stcNmiCfd.enFilterEn = Disable; /* Set Pvd2 interrupt callback. */ stcNmiCfd.pfnNmiCallback = &Pvd2_IrqCallBack; NMI_Init(&stcNmiCfd); /* Set PVD1 interrupt. */ enShareIrqEnable(INT_PVD_PVD1); /* Enable interrupt. */ NVIC_ClearPendingIRQ(PVD_IRQn); NVIC_SetPriority(PVD_IRQn,DDL_IRQ_PRIORITY_DEFAULT); NVIC_EnableIRQ(PVD_IRQn); /* Enable PVD1. */ PWC_Pvd1Cmd(Enable); /* Enable PVD2. */ PWC_Pvd2Cmd(Enable); while(1) { ; } } /******************************************************************************* * EOF (not truncated) ******************************************************************************/