本帖最后由 hi201803 于 2018-8-25 10:21 编辑 feixiang20 发表于 2018-8-24 23:35 针对这个问题，我也研究看了一些实例，语句可以联用，再给你个实例参考看看吧 if(flag) //your own flag to ... 谢谢. 另外 在使用UDP客户端时，想在配置完服务器端IP、端口号之后..... 发现在此处send数据时，源IP地址为空， LWIP 版本 ？ 在哪个地方存在bug ?
butterflyspring 发表于 2018-8-16 11:44 能贴出具体设置吗?你输出的地址范围是? /* ***************************************************************************** ** ** File : LinkerScript.ld ** ** Abstract : Linker script for STM32F103CBTx Device with ** 128KByte FLASH, 20KByte RAM ** ** Set heap size, stack size and stack location according ** to application requirements. ** ** Set memory bank area and size if external memory is used. ** ** Target : STMicroelectronics STM32 ** ** ** Distribution: The file is distributed as is, without any warranty ** of any kind. ** ** (c)Copyright Ac6. ** You may use this file as-is or modify it according to the needs of your ** project. Distribution of this file (unmodified or modified) is not ** permitted. Ac6 permit registered System Workbench for MCU users the ** rights to distribute the assembled, compiled & linked contents of this ** file as part of an application binary file, provided that it is built ** using the System Workbench for MCU toolchain. ** ***************************************************************************** */ /* Entry Point */ ENTRY(Reset_Handler) /* Highest address of the user mode stack */ _estack = 0x20005000; /* end of RAM */ /* Generate a link error if heap and stack don't fit into RAM */ _Min_Heap_Size = 0; /* 0x200 required amount of heap */ _Min_Stack_Size = 0x300; /* 0x400 required amount of stack */ /* Specify the memory areas */ MEMORY { RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 112K /* 128k. ~0x8020000, keep 16k ,~0x801c000 */ } /* Define output sections */ SECTIONS { /* The startup code goes first into FLASH */ .isr_vector : { . = ALIGN(4); KEEP(*(.isr_vector)) /* Startup code */ . = ALIGN(4); } >FLASH /* The program code and other data goes into FLASH */ .text : { . = ALIGN(4); *(.text) /* .text sections (code) */ *(.text*) /* .text* sections (code) */ *(.glue_7) /* glue arm to thumb code */ *(.glue_7t) /* glue thumb to arm code */ *(.eh_frame) KEEP (*(.init)) KEEP (*(.fini)) . = ALIGN(4); _etext = .; /* define a global symbols at end of code */ } >FLASH /* Constant data goes into FLASH */ .rodata : { . = ALIGN(4); *(.rodata) /* .rodata sections (constants, strings, etc.) */ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ . = ALIGN(4); } >FLASH .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH .ARM : { __exidx_start = .; *(.ARM.exidx*) __exidx_end = .; } >FLASH .preinit_array : { PROVIDE_HIDDEN (__preinit_array_start = .); KEEP (*(.preinit_array*)) PROVIDE_HIDDEN (__preinit_array_end = .); } >FLASH .init_array : { PROVIDE_HIDDEN (__init_array_start = .); KEEP (*(SORT(.init_array.*))) KEEP (*(.init_array*)) PROVIDE_HIDDEN (__init_array_end = .); } >FLASH .fini_array : { PROVIDE_HIDDEN (__fini_array_start = .); KEEP (*(SORT(.fini_array.*))) KEEP (*(.fini_array*)) PROVIDE_HIDDEN (__fini_array_end = .); } >FLASH /* used by the startup to initialize data */ _sidata = LOADADDR(.data); /* Initialized data sections goes into RAM, load LMA copy after code */ .data : { . = ALIGN(4); _sdata = .; /* create a global symbol at data start */ *(.data) /* .data sections */ *(.data*) /* .data* sections */ . = ALIGN(4); _edata = .; /* define a global symbol at data end */ } >RAM AT> FLASH /********************************************************************************/ fix_rand_rom_0 : { . = ALIGN(4); } >FLASH fix_rand_rom : { . = ALIGN(4); } >FLASH fix_rand_rom_1 : { . = ALIGN(4); } >FLASH user_rom : /* 用户参数，数据， */ { . = ALIGN(4); } >FLASH fix_func_rom : { . = ALIGN(4); } >FLASH fix_rom 0x0801b800 : { . = ALIGN(4); } >FLASH /* fix_rom_1 0x0801b840 : { . = ALIGN(4); } >FLASH */ /********************************************************************************/ NOINIT_RAM : { . = ALIGN(4); } >RAM /* Uninitialized data section */ . = ALIGN(4); .bss : { /* This is used by the startup in order to initialize the .bss secion */ _sbss = .; /* define a global symbol at bss start */ __bss_start__ = _sbss; *(.bss) *(.bss*) *(COMMON) . = ALIGN(4); _ebss = .; /* define a global symbol at bss end */ __bss_end__ = _ebss; } >RAM /* User_heap_stack section, used to check that there is enough RAM left */ ._user_heap_stack : { __user_heap_stack = . ; . = ALIGN(8); PROVIDE ( end = . ); PROVIDE ( _end = . ); . = . + _Min_Heap_Size; . = . + _Min_Stack_Size; . = ALIGN(8); } >RAM /* Remove information from the standard libraries */ /DISCARD/ : { libc.a ( * ) libm.a ( * ) libgcc.a ( * ) } .ARM.attributes 0 : { *(.ARM.attributes) } }
本帖最后由 hi201803 于 2018-6-15 05:09 编辑 toofree 发表于 2018-6-14 14:46 嗯，嗯， 这个帖子怕是要被破总扣分了 是不能查看， 谢谢提醒. 加注了使用的芯片.
