481 lines
15 KiB
C
481 lines
15 KiB
C
/*******************************************************************************
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* Copyright (C) 2016, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACCOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file main.c
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**
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** \brief The example for KEYSCAN function demonstration
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**
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** - 2018-10-24 1.0 Zhangxl First version for sample of keyscan module.
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**
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******************************************************************************/
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "hc32_ddl.h"
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/*******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/*******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/* KEYOUT port, pin definition */
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#define KEYOUT_PORT (PortA)
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#define KEYOUT0_PIN (Pin04)
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#define KEYOUT1_PIN (Pin05)
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#define KEYOUT2_PIN (Pin06)
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/* KEYIN port, pin definition */
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#define KEYIN_PORT (PortD)
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#define KEYIN0_PIN (Pin12)
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#define KEYIN1_PIN (Pin13)
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#define KEYIN2_PIN (Pin14)
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/* LED0 Port/Pin definition */
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#define LED0_PORT (PortE)
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#define LED0_PIN (Pin06)
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/* LED1 Port/Pin definition */
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#define LED1_PORT (PortA)
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#define LED1_PIN (Pin07)
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/* LED2 Port/Pin definition */
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#define LED2_PORT (PortB)
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#define LED2_PIN (Pin05)
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/* LED3 Port/Pin definition */
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#define LED3_PORT (PortB)
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#define LED3_PIN (Pin09)
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/* LED0~3 toggle definition */
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#define LED0_TOGGLE() (PORT_Toggle(LED0_PORT, LED0_PIN))
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#define LED1_TOGGLE() (PORT_Toggle(LED1_PORT, LED1_PIN))
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#define LED2_TOGGLE() (PORT_Toggle(LED2_PORT, LED2_PIN))
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#define LED3_TOGGLE() (PORT_Toggle(LED3_PORT, LED3_PIN))
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/* uncomment this line if wants to print information to Terminal I/O window */
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//#define __PRINT_TO_TERMINAL
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/*******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/*******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/*******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/*******************************************************************************
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* Function implementation - global ('extern') and local ('static')
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief ExtInt12 as key row 0 callback function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyRow0_Callback(void)
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{
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if (Set == EXINT_IrqFlgGet(ExtiCh12))
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{
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LED0_TOGGLE();
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#ifdef __PRINT_TO_TERMINAL
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printf("Key row 0, col %d is pressed.\n", KEYSCAN_GetColIdx());
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#endif
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/* clear int request flag */
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EXINT_IrqFlgClr(ExtiCh12);
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}
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}
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/**
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*******************************************************************************
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** \brief ExtInt13 as key row 1 callback function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyRow1_Callback(void)
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{
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if (Set == EXINT_IrqFlgGet(ExtiCh13))
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{
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LED1_TOGGLE();
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#ifdef __PRINT_TO_TERMINAL
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printf("Key row 1, col %d is pressed.\n", KEYSCAN_GetColIdx());
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#endif
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/* clear int request flag */
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EXINT_IrqFlgClr(ExtiCh13);
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}
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}
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/**
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*******************************************************************************
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** \brief ExtInt14 as key row 2 callback function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyRow2_Callback(void)
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{
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if (Set == EXINT_IrqFlgGet(ExtiCh14))
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{
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LED2_TOGGLE();
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#ifdef __PRINT_TO_TERMINAL
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printf("Key row 2, col %d is pressed.\n", KEYSCAN_GetColIdx());
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#endif
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/* clear int request flag */
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EXINT_IrqFlgClr(ExtiCh14);
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}
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}
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/**
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*******************************************************************************
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** \brief LED 0~3 init function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void Led_Init(void)
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{
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stc_port_init_t stcPortInit;
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/* configuration structure initialization */
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MEM_ZERO_STRUCT(stcPortInit);
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stcPortInit.enPinMode = Pin_Mode_Out;
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/* LED0 Port/Pin initialization */
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PORT_Init(LED0_PORT, LED0_PIN, &stcPortInit);
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/* LED1 Port/Pin initialization */
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PORT_Init(LED1_PORT, LED1_PIN, &stcPortInit);
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/* LED2 Port/Pin initialization */
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PORT_Init(LED2_PORT, LED2_PIN, &stcPortInit);
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/* LED3 Port/Pin initialization */
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PORT_Init(LED3_PORT, LED3_PIN, &stcPortInit);
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}
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/**
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*******************************************************************************
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** \brief Key row 0 init function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyRow0_Init(void)
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{
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stc_exint_config_t stcExtiConfig;
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stc_irq_regi_conf_t stcIrqRegiConf;
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stc_port_init_t stcPortInit;
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/* configuration structure initialization */
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MEM_ZERO_STRUCT(stcExtiConfig);
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MEM_ZERO_STRUCT(stcIrqRegiConf);
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MEM_ZERO_STRUCT(stcPortInit);
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/**************************************************************************/
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/* External Int Ch.12 for keyin0 */
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/**************************************************************************/
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stcExtiConfig.enExitCh = ExtiCh12;
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/* Filter setting */
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stcExtiConfig.enFilterEn = Enable;
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stcExtiConfig.enFltClk = Pclk3Div8;
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/* falling edge for keyscan function */
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stcExtiConfig.enExtiLvl = ExIntFallingEdge;
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EXINT_Init(&stcExtiConfig);
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/* Set PD12 as External Int Ch.12 input */
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MEM_ZERO_STRUCT(stcPortInit);
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stcPortInit.enExInt = Enable;
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stcPortInit.enPullUp = Enable;
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PORT_Init(KEYIN_PORT, KEYIN0_PIN, &stcPortInit);
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/* Select External Int Ch.12 */
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stcIrqRegiConf.enIntSrc = INT_PORT_EIRQ12;
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/* Register External Int to Vect.No.000 */
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stcIrqRegiConf.enIRQn = Int000_IRQn;
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/* Callback function */
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stcIrqRegiConf.pfnCallback = &KeyRow0_Callback;
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/* Registration IRQ */
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enIrqRegistration(&stcIrqRegiConf);
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/* Clear pending */
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NVIC_ClearPendingIRQ(stcIrqRegiConf.enIRQn);
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/* Set priority */
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NVIC_SetPriority(stcIrqRegiConf.enIRQn, DDL_IRQ_PRIORITY_15);
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/* Enable NVIC */
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NVIC_EnableIRQ(stcIrqRegiConf.enIRQn);
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}
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/**
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*******************************************************************************
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** \brief Key row 1 init function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyRow1_Init(void)
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{
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stc_exint_config_t stcExtiConfig;
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stc_irq_regi_conf_t stcIrqRegiConf;
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stc_port_init_t stcPortInit;
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/* configuration structure initialization */
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MEM_ZERO_STRUCT(stcExtiConfig);
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MEM_ZERO_STRUCT(stcIrqRegiConf);
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MEM_ZERO_STRUCT(stcPortInit);
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/**************************************************************************/
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/* External Int Ch.13 for keyin1 */
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/**************************************************************************/
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stcExtiConfig.enExitCh = ExtiCh13;
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/* Filter setting */
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stcExtiConfig.enFilterEn = Enable;
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stcExtiConfig.enFltClk = Pclk3Div8;
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/* falling edge for keyscan function */
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stcExtiConfig.enExtiLvl = ExIntFallingEdge;
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EXINT_Init(&stcExtiConfig);
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/* Set PD13 as External Int Ch.13 input */
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MEM_ZERO_STRUCT(stcPortInit);
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stcPortInit.enExInt = Enable;
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stcPortInit.enPullUp = Enable;
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PORT_Init(KEYIN_PORT, KEYIN1_PIN, &stcPortInit);
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/* Select External Int Ch.13 */
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stcIrqRegiConf.enIntSrc = INT_PORT_EIRQ13;
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/* Register External Int to Vect.No.001 */
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stcIrqRegiConf.enIRQn = Int001_IRQn;
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/* Callback function */
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stcIrqRegiConf.pfnCallback = &KeyRow1_Callback;
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/* Registration IRQ */
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enIrqRegistration(&stcIrqRegiConf);
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/* Clear Pending */
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NVIC_ClearPendingIRQ(stcIrqRegiConf.enIRQn);
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/* Set priority */
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NVIC_SetPriority(stcIrqRegiConf.enIRQn, DDL_IRQ_PRIORITY_15);
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/* Enable NVIC */
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NVIC_EnableIRQ(stcIrqRegiConf.enIRQn);
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}
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/**
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*******************************************************************************
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** \brief Key row 2 init function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyRow2_Init(void)
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{
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stc_exint_config_t stcExtiConfig;
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stc_irq_regi_conf_t stcIrqRegiConf;
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stc_port_init_t stcPortInit;
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/* configuration structure initialization */
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MEM_ZERO_STRUCT(stcExtiConfig);
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MEM_ZERO_STRUCT(stcIrqRegiConf);
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MEM_ZERO_STRUCT(stcPortInit);
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/**************************************************************************/
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/* External Int Ch.14 for keyin2 */
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/**************************************************************************/
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stcExtiConfig.enExitCh = ExtiCh14;
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/* Filter setting */
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stcExtiConfig.enFilterEn = Enable;
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stcExtiConfig.enFltClk = Pclk3Div8;
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/* falling edge for keyscan function */
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stcExtiConfig.enExtiLvl = ExIntFallingEdge;
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EXINT_Init(&stcExtiConfig);
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/* Set PD14 as External Int Ch.14 input */
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MEM_ZERO_STRUCT(stcPortInit);
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stcPortInit.enExInt = Enable;
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stcPortInit.enPullUp = Enable;
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PORT_Init(KEYIN_PORT, KEYIN2_PIN, &stcPortInit);
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/* Select External Int Ch.14 */
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stcIrqRegiConf.enIntSrc = INT_PORT_EIRQ14;
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/* Register External Int to Vect.No.002 */
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stcIrqRegiConf.enIRQn = Int002_IRQn;
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/* Callback function */
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stcIrqRegiConf.pfnCallback = &KeyRow2_Callback;
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/* Registration IRQ */
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enIrqRegistration(&stcIrqRegiConf);
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/* Clear Pending */
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NVIC_ClearPendingIRQ(stcIrqRegiConf.enIRQn);
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/* Set priority */
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NVIC_SetPriority(stcIrqRegiConf.enIRQn, DDL_IRQ_PRIORITY_15);
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/* Enable NVIC */
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NVIC_EnableIRQ(stcIrqRegiConf.enIRQn);
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}
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/**
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*******************************************************************************
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** \brief Key column init function
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**
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** \param None
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**
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** \retval None
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**
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******************************************************************************/
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void KeyCol_Init(void)
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{
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stc_port_init_t stcPortInit;
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stc_keyscan_config_t stcKeyscanConfig;
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/* configuration structure initialization */
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MEM_ZERO_STRUCT(stcPortInit);
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/* enable internal pull-up */
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//stcPortInit.enPullUp = Enable;
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PORT_Init(KEYOUT_PORT, (KEYOUT0_PIN | KEYOUT1_PIN | KEYOUT2_PIN), &stcPortInit);
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/* Set corresponding pins to KEYSCAN function */
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PORT_SetFunc(KEYOUT_PORT, (KEYOUT0_PIN | KEYOUT1_PIN | KEYOUT2_PIN), Func_Key, Disable);
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/* enable KEYSCAN module source clock */
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PWC_Fcg0PeriphClockCmd(PWC_FCG0_PERIPH_KEY, Enable);
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/* output Hiz state 512 clocks*/
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stcKeyscanConfig.enHizCycle = Hiz512;
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/* output Low state 512 clocks */
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stcKeyscanConfig.enLowCycle = Low512;
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/* use HCLK as scan clock */
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stcKeyscanConfig.enKeyscanClk = KeyscanHclk;
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/* KEYOUT 0~3 are selected as column */
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stcKeyscanConfig.enKeyoutSel = Keyout0To2;
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/* KEYIN 12~14 are selected as row */
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stcKeyscanConfig.u16KeyinSel = (Keyin12 | Keyin13 | Keyin14);
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KEYSCAN_Init(&stcKeyscanConfig);
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}
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/**
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*******************************************************************************
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** \brief main function for KEYSCAN function
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**
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** \param None
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**
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** \return int32_t Return value, if needed
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**
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******************************************************************************/
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int32_t main(void)
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{
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/* LED init */
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Led_Init();
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#ifdef __PRINT_TO_TERMINAL
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/* Uart printf port initialize */
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Ddl_UartInit();
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#endif
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/* Key row 0~2 init */
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KeyRow0_Init();
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KeyRow1_Init();
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KeyRow2_Init();
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/* Key column 0~2 init */
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KeyCol_Init();
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/* Start KEYSCAN function*/
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KEYSCAN_Start();
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while(1)
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{
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;
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}
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}
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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