个人网站做企业备案,电视台视频网站建设方案,西安企业100强名单,企业为什么要交税使用C40_IP的系列方法向FLASH代码区写入数据时#xff0c;程序会卡死在读取写操作的状态C40_Ip_MainInterfaceWriteStatus()这个方法中。本文主要介绍S32K312通过ITCM的方式#xff0c;通过C40_IP的方法向FLASH代码区成功写入数据的方法和步骤。
首先#xff0c;验证一下C4…使用C40_IP的系列方法向FLASH代码区写入数据时程序会卡死在读取写操作的状态C40_Ip_MainInterfaceWriteStatus()这个方法中。本文主要介绍S32K312通过ITCM的方式通过C40_IP的方法向FLASH代码区成功写入数据的方法和步骤。
首先验证一下C40_IP写入FLASH代码区时行不通的。通过官方例程的代码C40_IP_Example_S32K312修改了2个参数使得程序擦除和写入FLASH代码区 修改完成后进行代码调试找到程序卡死的地方 接下来描述使用ITCM的方式对FLASH代码区进行擦除和写入程序正常运行且结果达到预期的步骤
1、ITCM的如何使用参考《S32K312 ITCM代码使用示例》这篇文章。
几个注意事项
1.1、linker_flash_s32k312.ld这个文件需要修改一下 .ld文件的代码段
/*
* Project : RTD AUTOSAR 4.4
* Platform : CORTEXM
* Peripheral :
* Dependencies : none
*
* Autosar Version : 4.4.0
* Autosar Revision : ASR_REL_4_4_REV_0000
* Autosar Conf.Variant :
* SW Version : 2.0.1
* Build Version : S32K3_RTD_2_0_1_D2207_ASR_REL_4_4_REV_0000_20220707
*
* (c) Copyright 2020 - 2022 NXP Semiconductors
* All Rights Reserved.
*
* NXP Confidential. This software is owned or controlled by NXP and may only be
* used strictly in accordance with the applicable license terms. By expressly
* accepting such terms or by downloading, installing, activating and/or otherwise
* using the software, you are agreeing that you have read, and that you agree to
* comply with and are bound by, such license terms. If you do not agree to be
* bound by the applicable license terms, then you may not retain, install,
* activate or otherwise use the software.
*/
/*
* GCC Linker Command File:
* 0x00400000 0x001F3FFF 2047999 Program Flash (last 64K sBAF)
* 0x10000000 0x1003FFFF 262144 Data Flash (last 32K HSE_NVM)
* 0x20400000 0x20408000 32768 Standby RAM_0 (32K)
* 0x20400000 0x20417FFF 98304 SRAM_0 (96KB)
* Last 48 KB of SRAM_1 reserved by HSE Firmware
* Last 176 KB of CODE_FLASH_3 reserved by HSE Firmware
* Last 128 KB of DATA_FLASH reserved by HSE Firmware (not supported in this linker file)
*/
HEAP_SIZE DEFINED(__heap_size__) ? __heap_size__ : 0x00002000;ENTRY(Reset_Handler)MEMORY
{ int_flash : ORIGIN 0x00400000, LENGTH 0x001D4000 /* 2048K - 176K (sBAF HSE)*/int_itcm : ORIGIN 0x00000000, LENGTH 0x00008000 /* 32K */int_dtcm : ORIGIN 0x20000000, LENGTH 0x00010000 /* 64K */int_sram : ORIGIN 0x20400000, LENGTH 0x00006F00 /* 27 KB */int_sram_fls_rsv : ORIGIN 0x20406F00, LENGTH 0x00000100 int_sram_stack_c0 : ORIGIN 0x20407000, LENGTH 0x00001000 int_sram_no_cacheable : ORIGIN 0x20408000, LENGTH 0x00007F00 /* 32kb , needs to include int_results */int_sram_results : ORIGIN 0x2040FF00, LENGTH 0x00000100 int_sram_shareable : ORIGIN 0x20410000, LENGTH 0x00008000 /* 32KB */ram_rsvd2 : ORIGIN 0x20418000, LENGTH 0 /* End of SRAM */
}SECTIONS
{.flash :{KEEP(*(.boot_header)). ALIGN(4096);__text_start .;__interrupts_rom_start .;KEEP(*(.intc_vector)) . ALIGN(4);__interrupts_rom_end .;KEEP(*(.core_loop)) . ALIGN(4);*(.startup) . ALIGN(4);*(.systeminit) . ALIGN(4);*(.text.startup) . ALIGN(4);*(EXCLUDE_FILE (*C40_Ip.o) .text)*(.text*) . ALIGN(4);*(EXCLUDE_FILE (*C40_Ip.o) .mcal_text) . ALIGN(4);*(.acmcu_code_rom). ALIGN(4);__acfls_code_rom_start .;*(.acfls_code_rom) . ALIGN(4);__acfls_code_rom_end .;KEEP(*(.init)). ALIGN(4);KEEP(*(.fini)) . ALIGN(4);*(.rodata) *(.rodata*) . ALIGN(4);*(.mcal_const_cfg) . ALIGN(4);*(.mcal_const) . ALIGN(4);__init_table .;KEEP(*(.init_table)) . ALIGN(4);__zero_table .;KEEP(*(.zero_table))} int_flash. ALIGN(4);__text_end .;__sram_data_rom __text_end;.sram_data : AT(__sram_data_rom){. ALIGN(4);__sram_data_begin__ .;. ALIGN(4);*(.ramcode) . ALIGN(4);*(.data) *(.data*). ALIGN(4);*(.mcal_data). ALIGN(4);__sram_data_end__ .;} int_sram__sram_data_rom_end __sram_data_rom (__sram_data_end__ - __sram_data_begin__);.sram_bss (NOLOAD) :{. ALIGN(16);__sram_bss_start .;*(.bss)*(.bss*). ALIGN(16);*(.mcal_bss). ALIGN(4);__sram_bss_end .;} int_sram/* heap section */ .heap (NOLOAD):{. ALIGN(4);_end .;end .;_heap_start .;. HEAP_SIZE;_heap_end .;} int_sram.acfls_code_ram :{acfls_code_ram_start .;*(.acfls_code_ram)acfls_code_ram_stop .;} int_sram_fls_rsv__non_cacheable_data_rom __sram_data_rom_end;.non_cacheable_data : AT(__non_cacheable_data_rom){. ALIGN(4);__non_cacheable_data_start__ .;. ALIGN(4096);__interrupts_ram_start .;. __interrupts_rom_end - __interrupts_rom_start; . ALIGN(4);__interrupts_ram_end .;*(.mcal_data_no_cacheable) . ALIGN(4);*(.mcal_const_no_cacheable) . ALIGN(4);HSE_LOOP_ADDR .;LONG(0x0);__non_cacheable_data_end__ .; } int_sram_no_cacheableint_results (NOLOAD):{. ALIGN(4);KEEP(*(.int_results)) . 0x100;} int_sram_results__non_cacheable_data_rom_end __non_cacheable_data_rom (__non_cacheable_data_end__ - __non_cacheable_data_start__);.non_cacheable_bss (NOLOAD) :{ . ALIGN(16);__non_cacheable_bss_start .;*(.mcal_bss_no_cacheable) . ALIGN(4);__non_cacheable_bss_end .; } int_sram_no_cacheable__shareable_data_rom __non_cacheable_data_rom_end;.shareable_data : AT(__shareable_data_rom){. ALIGN(4);__shareable_data_start__ .;KEEP(*(.mcal_shared_data)) . ALIGN(4);__shareable_data_end__ .; } int_sram_shareable__shareable_data_rom_end __shareable_data_rom (__shareable_data_end__ - __shareable_data_start__);.shareable_bss (NOLOAD) :{ . ALIGN(16);__shareable_bss_start .;*(.mcal_shared_bss) . ALIGN(4);__shareable_bss_end .; } int_sram_shareable__itcm0_code_rom __shareable_data_rom_end;.itcm0_code : AT(__itcm0_code_rom){. ALIGN(4);__itcm0_code_start__ .;KEEP(*(.itcm0_code)) KEEP(*C40_Ip.o(.mcal_text*))KEEP(*C40_Ip.o(.text*)). ALIGN(4);__itcm0_code_end__ .; } int_itcm__itcm0_code_rom_end __itcm0_code_rom (__itcm0_code_end__ - __itcm0_code_start__);__dtcm0_data_rom __itcm0_code_rom_end;.dtcm0_data : AT(__dtcm0_data_rom){. ALIGN(4);__dtcm0_data_start__ .;KEEP(*(.dtcm0_data)) . ALIGN(4);__dtcm0_data_end__ .; } int_dtcm__dtcm0_data_rom_end __dtcm0_data_rom (__dtcm0_data_end__ - __dtcm0_data_start__);__Stack_end_c0 ORIGIN(int_sram_stack_c0);__Stack_start_c0 ORIGIN(int_sram_stack_c0) LENGTH(int_sram_stack_c0);__Stack_end_c1 0;__Stack_start_c1 0;__INT_SRAM_START ORIGIN(int_sram);__INT_SRAM_END ORIGIN(ram_rsvd2);__INT_ITCM_START ORIGIN(int_itcm);__INT_ITCM_END ORIGIN(int_itcm) LENGTH(int_itcm);__INT_DTCM_START ORIGIN(int_dtcm);__INT_DTCM_END ORIGIN(int_dtcm) LENGTH(int_dtcm);__RAM_SHAREABLE_START ORIGIN(int_sram_shareable);__RAM_SHAREABLE_END ORIGIN(ram_rsvd2)-1;__RAM_SHAREABLE_SIZE 0xF;__ROM_SHAREABLE_START __shareable_data_rom;__ROM_SHAREABLE_END __shareable_data_rom_end;__RAM_NO_CACHEABLE_START ORIGIN(int_sram_no_cacheable);__RAM_NO_CACHEABLE_END ORIGIN(int_sram_shareable)-1;__RAM_NO_CACHEABLE_SIZE 0xF; /* 32kbyte in power of 2 */__ROM_NO_CACHEABLE_START __non_cacheable_data_rom;__ROM_NO_CACHEABLE_END __non_cacheable_data_rom_end;__RAM_CACHEABLE_START ORIGIN(int_sram);__RAM_CACHEABLE_END ORIGIN(int_sram_no_cacheable)-1;__RAM_CACHEABLE_SIZE 0xF; /* 32kbyte in power of 2 */__ROM_CACHEABLE_START __sram_data_rom;__ROM_CACHEABLE_END __sram_data_rom_end;__ROM_CODE_START ORIGIN(int_flash);__ROM_DATA_START 0x10000000;__RAM_ITCM0_CODE_START __itcm0_code_start__;__ROM_ITCM0_CODE_START __itcm0_code_rom;__ROM_ITCM0_CODE_END __itcm0_code_rom_end;__RAM_DTCM0_DATA_START __dtcm0_data_start__;__ROM_DTCM0_DATA_START __dtcm0_data_rom;__ROM_DTCM0_DATA_END __dtcm0_data_rom_end;__BSS_SRAM_START __sram_bss_start;__BSS_SRAM_END __sram_bss_end;__BSS_SRAM_SIZE __sram_bss_end - __sram_bss_start;__BSS_SRAM_NC_START __non_cacheable_bss_start;__BSS_SRAM_NC_SIZE __non_cacheable_bss_end - __non_cacheable_bss_start;__BSS_SRAM_NC_END __non_cacheable_bss_end;__BSS_SRAM_SH_START __shareable_bss_start;__BSS_SRAM_SH_SIZE __shareable_bss_end - __shareable_bss_start;__BSS_SRAM_SH_END __shareable_bss_end;__RAM_INTERRUPT_START __interrupts_ram_start;__ROM_INTERRUPT_START __interrupts_rom_start;__ROM_INTERRUPT_END __interrupts_rom_end;__INIT_TABLE __init_table;__ZERO_TABLE __zero_table;__RAM_INIT 1;__ITCM_INIT 1;__DTCM_INIT 1;Fls_ACEraseRomStart __acfls_code_rom_start;Fls_ACEraseRomEnd __acfls_code_rom_end;Fls_ACEraseSize (__acfls_code_rom_end - __acfls_code_rom_start) / 4; /* Copy 4 bytes at a time*/Fls_ACWriteRomStart __acfls_code_rom_start;Fls_ACWriteRomEnd __acfls_code_rom_end;Fls_ACWriteSize (__acfls_code_rom_end - __acfls_code_rom_start) / 4; /* Copy 4 bytes at a time*/_ERASE_FUNC_ADDRESS_ ADDR(.acfls_code_ram);_WRITE_FUNC_ADDRESS_ ADDR(.acfls_code_ram);__ENTRY_VTABLE __ROM_INTERRUPT_START;__CORE0_VTOR __interrupts_rom_start;__CORE1_VTOR __interrupts_rom_start;}1.2、startup_cm7.s文件需要调整一下主要变化的内容 1.3、封装读/写/擦除的方法需要增加前缀如 2、C40_IP组件添加和配置 配置完成后要生成一下代码。
3、准备测试代码
/*
* Project : RTD AUTOSAR 4.4
* Platform : CORTEXM
* Peripheral : S32K3XX
* Dependencies : none
*
* Autosar Version : 4.4.0
* Autosar Revision : ASR_REL_4_4_REV_0000
* Autosar Conf.Variant :
* SW Version : 2.0.1
* Build Version : S32K3_RTD_2_0_1_D2207_ASR_REL_4_4_REV_0000_20220707
*
* (c) Copyright 2020 - 2021 NXP Semiconductors
* All Rights Reserved.
*
* NXP Confidential. This software is owned or controlled by NXP and may only be
* used strictly in accordance with the applicable license terms. By expressly
* accepting such terms or by downloading, installing, activating and/or otherwise
* using the software, you are agreeing that you have read, and that you agree to
* comply with and are bound by, such license terms. If you do not agree to be
* bound by the applicable license terms, then you may not retain, install,
* activate or otherwise use the software.
*//**
* file main.c
*
* addtogroup main_module main module documentation
* {
*//* Including necessary configuration files. */
#include Mcal.h
#include Clock_Ip.h
#include C40_Ip.h
#include Power_Ip.h
#include Power_Ip_MC_ME.hvolatile int exit_code 0;
/* User includes */
#include bsp_flash.h
#include SEGGER_RTT_Conf.h
#include SEGGER_RTT.h
#include string.h#define FLS_BUF_SIZE 256U
#define FLS_SECTOR_ADDR 0x004FC000uint8 TxBuffer[FLS_BUF_SIZE];
uint8 RxBuffer[FLS_BUF_SIZE];void Fls_InitBuffers(void)
{uint32 Index;for (Index 0U; Index FLS_BUF_SIZE; Index){TxBuffer[Index] (uint8)Index;RxBuffer[Index] 0U;}
}void bsp_flash_delay(uint32 delay)
{static volatile uint32 DelayTimer 0;while(DelayTimerdelay){DelayTimer;}DelayTimer0;
}void LOG_INFO_Buffer(uint8_t *pData,uint16_t length)
{uint16_t i 0;uint8_t value 0;uint8_t LOG_Data[1024];memset(LOG_Data, 0, 1024);for(i0;ilength;i){value (((*(pDatai))0xF0) 4);LOG_Data[i*3 0] (value 9)? value 0 : value -10 A;value ((*(pDatai))0x0F);LOG_Data[i*3 1] (value 9)? value 0 : value -10 A;LOG_Data[i*3 2] ;}SEGGER_RTT_printf(0, %s\n, LOG_Data);
}void flash_test(void)
{uint8_t res;/* Initialize buffers */Fls_InitBuffers();res BspFlash_Erase(FLS_SECTOR_ADDR);if(res true){bsp_flash_delay(4800000);}res BspFlash_Write(FLS_SECTOR_ADDR, TxBuffer[0], FLS_BUF_SIZE);if(res true){bsp_flash_delay(4800000);}}/*!\brief The main function for the project.\details The startup initialization sequence is the following:* - startup asm routine* - main()
*/
int main(void)
{/* Write your code here */Clock_Ip_Init(Clock_Ip_aClockConfig[0]);C40_Ip_Init(C40ConfigSet_BOARD_InitPeripherals_InitCfg);flash_test();for(;;){if(exit_code ! 0){break;}}return exit_code;
}/** } */4、编译运行及查看结果
通过J-Flash读取芯片中的数据可以看到数据写入成功了。
