Files

240 lines
8.1 KiB
C

/*******************************************************************************
* 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)
******************************************************************************/