250 lines
8.4 KiB
C
250 lines
8.4 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 SRAM function demonstration
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**
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** - 2018-10-24 1.0 Zhangxl First version for sample of sram 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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/* 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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/*******************************************************************************
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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 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 SRAM ECC/Parity error NMI IRQ handler
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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 SramErr_IrqHandler(void)
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{
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/* SRAM3 1 bit ECC error */
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if (true == SRAM_GetStatus(Sram3EccErr1))
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{
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SRAM_ClrStatus(Sram3EccErr1);
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}
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/* SRAM3 2 bit ECC error */
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if (true == SRAM_GetStatus(Sram3EccErr2))
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{
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SRAM_ClrStatus(Sram3EccErr2);
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while (1)
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{
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LED0_TOGGLE();
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Ddl_Delay1ms(100ul);
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}
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}
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/* SRAM12 parity error */
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if (true == SRAM_GetStatus(Sram12ParityErr))
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{
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SRAM_ClrStatus(Sram12ParityErr);
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}
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/* High speed SRAM parity error */
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if (true == SRAM_GetStatus(SramHSParityErr))
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{
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SRAM_ClrStatus(SramHSParityErr);
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}
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/* Retention SRAM parity error */
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if (true == SRAM_GetStatus(SramRetParityErr))
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{
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SRAM_ClrStatus(SramRetParityErr);
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}
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}
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/**
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*******************************************************************************
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** \brief main function for SRAM 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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volatile uint32_t temp;
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stc_sram_config_t stcSramConfig;
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stc_nmi_config_t stcNmiConfig;
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//Ddl_UartInit();
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/* LED init */
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Led_Init();
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/* enable HS RAM source clock */
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PWC_Fcg0PeriphClockCmd(PWC_FCG0_PERIPH_SRAMH, Enable);
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/* enable RAM0 source clock */
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PWC_Fcg0PeriphClockCmd(PWC_FCG0_PERIPH_SRAM12, Enable);
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/* enable ECCRAM source clock */
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PWC_Fcg0PeriphClockCmd(PWC_FCG0_PERIPH_SRAM3, Enable);
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/* enable Retention RAM source clock */
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PWC_Fcg0PeriphClockCmd(PWC_FCG0_PERIPH_SRAMRET, Enable);
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stcSramConfig.u8SramIdx = Sram12Idx | Sram3Idx | SramHsIdx | SramRetIdx;
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stcSramConfig.enSramRC = SramCycle5;
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stcSramConfig.enSramWC = SramCycle6;
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stcSramConfig.enSramEccMode = EccMode3;
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stcSramConfig.enSramEccOp = SramNmi;
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stcSramConfig.enSramPyOp = SramNmi;
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SRAM_Init(&stcSramConfig);
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stcNmiConfig.pfnNmiCallback = &SramErr_IrqHandler;
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stcNmiConfig.u16NmiSrc = NmiSrcSramDE | NmiSrcSramPE;
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NMI_Init(&stcNmiConfig);
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#if 1
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/* This section raw sample to generate the ECC error */
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M4_SRAMC->CKPR = 0x77ul;
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M4_SRAMC->CKCR = 0x03000000ul;
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SRAM3_BASE_ADDR = 0x1234567ul;
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temp = SRAM3_BASE_ADDR;
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M4_SRAMC->CKPR = 0x77ul;
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M4_SRAMC->CKCR = 0x00ul;
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SRAM3_BASE_ADDR = 0x1234562ul;
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M4_SRAMC->CKPR = 0x77ul;
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M4_SRAMC->CKCR = 0x03000000ul;
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temp = SRAM3_BASE_ADDR;
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if (temp == 0ul)
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{
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// avoid warning
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}
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#endif
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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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