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目标:ti 28035芯片
实现功能:通过串口在线升级(自己写bootloader) 目前进展:已经可以实现上位机通过串口给DSP在线升级,并能完成boot层跳转APP层,主CPU程序运行无误,但另外一个核CLA没跑起来。 实现思路: 创建两个工程,分别实现bootloader和上层app。 bootloader运行后,判断是否已经在线升级过,是就直接跳转app,否则接受上位机升级命令,并和上位机通信完成接收数据并烧写flash,之后跳转APP。 现在的问题大概在CMD文件配置上,也就是boot层和APP层的flash以及ram的划分上。 bootloader 代码划分在flashA上,app划分在flashH~flashD上,其他的ram没有做大的改动。以下为boot层的cmd文件内容: CLA_SCRATCHPAD_SIZE = 0x100; --undef_sym=__cla_scratchpad_end --undef_sym=__cla_scratchpad_start _Cla1Prog_Start = _Cla1funcsRunStart; -heap 0x100 -m UltraSonicPower200.map MEMORY { PAGE 0: /* Program Memory */ /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */ RAMLISR_PRG : origin = 0x008000, length = 0x000100 /* on-chip RAM block L0 */ RAMLAPP_PRG : origin = 0x008100, length = 0x000400 /* on-chip RAM block L0 */ //RAMLBOOT_PRG : origin = 0x008400, length = 0x000100 /* on-chip RAM block L0 */ //RAML1 : origin = 0x008800, length = 0x000400 /* on-chip RAM block L1 */ RAML3 : origin = 0x009000, length = 0x001000 /* on-chip RAM block L3, for CLA run code */ OTP : origin = 0x3D7800, length = 0x000400 /* on-chip OTP */ FLASHH : origin = 0x3E8000, length = 0x00A000 /* on-chip FLASH */ //FLASHH : origin = 0x3E8000, length = 0x002000 /* on-chip FLASH */ //FLASHG : origin = 0x3EA000, length = 0x002000 /* on-chip FLASH */ //FLASHF : origin = 0x3EC000, length = 0x002000 /* on-chip FLASH */ //FLASHE : origin = 0x3EE000, length = 0x002000 /* on-chip FLASH */ //FLASHD : origin = 0x3F0000, length = 0x002000 /* on-chip FLASH */ FLASHC : origin = 0x3F2000, length = 0x002000 /* on-chip FLASH */ FLASHA : origin = 0x3F6000, length = 0x001F80 /* on-chip FLASH */ CSM_RSVD : origin = 0x3F7F80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */ BEGIN : origin = 0x3F7FF6, length = 0x000002 /* Part of FLASHA. Used for "boot to Flash" bootloader mode. */ CSM_PWL_P0 : origin = 0x3F7FF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */ IQTABLES : origin = 0x3FE000, length = 0x000B50 /* IQ Math Tables in Boot ROM */ IQTABLES2 : origin = 0x3FEB50, length = 0x00008C /* IQ Math Tables in Boot ROM */ IQTABLES3 : origin = 0x3FEBDC, length = 0x0000AA /* IQ Math Tables in Boot ROM */ ROM : origin = 0x3FF27C, length = 0x000D44 /* Boot ROM */ RESET : origin = 0x3FFFC0, length = 0x000002 /* part of boot ROM */ VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM */ PAGE 1 : /* Data Memory */ /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE0 for program allocation */ /* Registers remain on PAGE1 */ BOOT_RSVD : origin = 0x000000, length = 0x000050 /* Part of M0, BOOT rom will use this for stack */ RAMM0 : origin = 0x000080, length = 0x0007B0 /* on-chip RAM block M0, and M1 is incorporated to M0 */ // RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */ DataRAM : origin = 0x008500, length = 0x0006FF /*on-chip RAM block L0,L1 */ BootFlagRAM : origin = 0x008BFF, length = 0x000001 /* on-chip RAM block L1 */ CLARAM1 : origin = 0x008C00, length = 0x000400 /* on-chip RAM block L2 */ //RAML3 : origin = 0x009000, length = 0x001000 /* on-chip RAM block L3 */ CLA1_MSGRAMLOW : origin = 0x001480, length = 0x000080 CLA1_MSGRAMHIGH : origin = 0x001500, length = 0x000080 FLASHB : origin = 0x3F4000, length = 0x002000 /* on-chip FLASH */ } SECTIONS { /* Allocate program areas: */ .cinit : > FLASHA PAGE = 0 .pinit : > FLASHA, PAGE = 0 .text : > FLASHA PAGE = 0 codestart : > BEGIN PAGE = 0 IsrRamfuncs : LOAD = FLASHA, RUN = RAMLISR_PRG, LOAD_START(_IsrRamfuncsLoadStart), LOAD_END(_IsrRamfuncsLoadEnd), RUN_START(_IsrRamfuncsRunStart), PAGE = 0 ramfuncs : LOAD = FLASHA, RUN = RAMLAPP_PRG, LOAD_START(_RamfuncsLoadStart), LOAD_END(_RamfuncsLoadEnd), RUN_START(_RamfuncsRunStart), PAGE = 0 csmpasswds : > CSM_PWL_P0 PAGE = 0 csm_rsvd : > CSM_RSVD PAGE = 0 debug_ram : > DataRAM PAGE = 1 BootFlagRam : > BootFlagRAM PAGE = 1 /* Allocate uninitalized data sections: */ //.stack : > RAMM0 PAGE = 1 .stack : > DataRAM PAGE = 1 .ebss : > RAMM0 PAGE = 1 // .esysmem : > RAMM0 PAGE = 1 //.sysmem : > RAMM0 PAGE = 1 /* Initalized sections go in Flash */ /* For SDFlash to program these, they must be allocated to page 0 */ .econst : > FLASHA PAGE = 0 .switch : > FLASHA PAGE = 0 /* Allocate IQ math areas: */ IQmath : > FLASHA PAGE = 0 /* Math Code */ IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD .bss_cla : > CLARAM1, PAGE = 1 .scratchpad : > CLARAM1, PAGE = 1 Cla1Prog : LOAD = FLASHH, RUN = RAML3, LOAD_START(_Cla1funcsLoadStart), LOAD_END(_Cla1funcsLoadEnd), RUN_START(_Cla1funcsRunStart), LOAD_SIZE(_Cla1funcsLoadSize), PAGE = 0 Cla1ToCpuMsgRAM : > CLA1_MSGRAMLOW, PAGE = 1 CpuToCla1MsgRAM : > CLA1_MSGRAMHIGH, PAGE = 1 // Cla1DataRam0 : > CLARAM0, PAGE = 1 Cla1DataRam1 : > CLARAM1, PAGE = 1 CLA1mathTables : LOAD = FLASHB, RUN = CLARAM1, LOAD_START(_Cla1mathTablesLoadStart), LOAD_END(_Cla1mathTablesLoadEnd), RUN_START(_Cla1mathTablesRunStart), LOAD_SIZE(_Cla1mathTablesLoadSize), PAGE = 1 CLAscratch : { *.obj(CLAscratch) . += CLA_SCRATCHPAD_SIZE; *.obj(CLAscratch_end) } > CLARAM1, PAGE = 1 /* IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD { IQmath.lib } /* .reset is a standard section used by the compiler. It contains the */ /* the address of the start of _c_int00 for C Code. /* /* When using the boot ROM this section and the CPU vector */ /* table is not needed. Thus the default type is set here to */ /* DSECT */ .reset : > RESET, PAGE = 0, TYPE = DSECT vectors : > VECTORS PAGE = 0, TYPE = DSECT } /* //=========================================================================== // End of file. //=========================================================================== */ cmd文件界定了flash和ram的使用,现在就是不太清楚,cmd到底是不是有问题? 一下是APP层的cmd文件内容: CLA_SCRATCHPAD_SIZE = 0x100; --undef_sym=__cla_scratchpad_end --undef_sym=__cla_scratchpad_start _Cla1Prog_Start = _Cla1funcsRunStart; -heap 0x100 -m UltraSonicPower200.map MEMORY { PAGE 0: /* Program Memory */ /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */ RAMLISR_PRG : origin = 0x008000, length = 0x000100 /* on-chip RAM block L0 */ RAMLAPP_PRG : origin = 0x008100, length = 0x000300 /* on-chip RAM block L0 */ RAMLBOOT_PRG : origin = 0x008400, length = 0x000100 /* on-chip RAM block L0 */ //RAML1 : origin = 0x008800, length = 0x000400 /* on-chip RAM block L1 */ RAML3 : origin = 0x009000, length = 0x001000 /* on-chip RAM block L3, for CLA run code */ OTP : origin = 0x3D7800, length = 0x000400 /* on-chip OTP */ FLASHH : origin = 0x3E8004, length = 0x009FFC /* on-chip FLASH 0x3E8002 as begin 0x3E8000 as Flashed_flag*/ //FLASHH : origin = 0x3E8000, length = 0x002000 /* on-chip FLASH */ //FLASHG : origin = 0x3EA000, length = 0x002000 /* on-chip FLASH */ //FLASHF : origin = 0x3EC000, length = 0x002000 /* on-chip FLASH */ //FLASHE : origin = 0x3EE000, length = 0x002000 /* on-chip FLASH */ //FLASHD : origin = 0x3F0000, length = 0x002000 /* on-chip FLASH */ FLASHC : origin = 0x3F2000, length = 0x002000 /* on-chip FLASH */ FLASHA : origin = 0x3F6000, length = 0x001F80 /* on-chip FLASH */ CSM_RSVD : origin = 0x3F7F80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */ //BEGIN : origin = 0x3F7FF6, length = 0x000002 /* Part of FLASHA. Used for "boot to Flash" bootloader mode. */ BEGIN : origin = 0x3E8002, length = 0x000002 /* Part of FLASHH. . */ CSM_PWL_P0 : origin = 0x3F7FF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */ IQTABLES : origin = 0x3FE000, length = 0x000B50 /* IQ Math Tables in Boot ROM */ IQTABLES2 : origin = 0x3FEB50, length = 0x00008C /* IQ Math Tables in Boot ROM */ IQTABLES3 : origin = 0x3FEBDC, length = 0x0000AA /* IQ Math Tables in Boot ROM */ ROM : origin = 0x3FF27C, length = 0x000D44 /* Boot ROM */ RESET : origin = 0x3FFFC0, length = 0x000002 /* part of boot ROM */ VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM */ PAGE 1 : /* Data Memory */ /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE0 for program allocation */ /* Registers remain on PAGE1 */ BOOT_RSVD : origin = 0x000000, length = 0x000050 /* Part of M0, BOOT rom will use this for stack */ RAMM0 : origin = 0x000080, length = 0x0007B0 /* on-chip RAM block M0, and M1 is incorporated to M0 */ // RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */ DataRAM : origin = 0x008500, length = 0x0006FF /*on-chip RAM block L0,L1 */ BootFlagRAM : origin = 0x008BFF, length = 0x000001 /* on-chip RAM block L1 */ CLARAM1 : origin = 0x008C00, length = 0x000400 /* on-chip RAM block L2 */ //RAML3 : origin = 0x009000, length = 0x001000 /* on-chip RAM block L3 */ CLA1_MSGRAMLOW : origin = 0x001480, length = 0x000080 CLA1_MSGRAMHIGH : origin = 0x001500, length = 0x000080 FLASHB : origin = 0x3F4000, length = 0x002000 /* on-chip FLASH */ } SECTIONS { /* Allocate program areas: */ .cinit : > FLASHH PAGE = 0 .pinit : > FLASHH, PAGE = 0 .text : > FLASHH PAGE = 0 codestart : > BEGIN PAGE = 0 IsrRamfuncs : LOAD = FLASHH, RUN = RAMLISR_PRG, LOAD_START(_IsrRamfuncsLoadStart), LOAD_END(_IsrRamfuncsLoadEnd), RUN_START(_IsrRamfuncsRunStart), PAGE = 0 ramfuncs : LOAD = FLASHH, RUN = RAMLAPP_PRG, LOAD_START(_RamfuncsLoadStart), LOAD_END(_RamfuncsLoadEnd), RUN_START(_RamfuncsRunStart), PAGE = 0 csmpasswds : > CSM_PWL_P0 PAGE = 0 csm_rsvd : > CSM_RSVD PAGE = 0 debug_ram : > DataRAM PAGE = 1 BootFlagRam : > BootFlagRAM PAGE = 1 /* Allocate uninitalized data sections: */ //.stack : > RAMM0 PAGE = 1 .stack : > DataRAM PAGE = 1 .ebss : > RAMM0 PAGE = 1 // .esysmem : > RAMM0 PAGE = 1 //.sysmem : > RAMM0 PAGE = 1 /* Initalized sections go in Flash */ /* For SDFlash to program these, they must be allocated to page 0 */ .econst : > FLASHH PAGE = 0 .switch : > FLASHH PAGE = 0 /* Allocate IQ math areas: */ IQmath : > FLASHA PAGE = 0 /* Math Code */ IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD .bss_cla : > CLARAM1, PAGE = 1 .scratchpad : > CLARAM1, PAGE = 1 Cla1Prog : LOAD = FLASHH, RUN = RAML3, LOAD_START(_Cla1funcsLoadStart), LOAD_END(_Cla1funcsLoadEnd), RUN_START(_Cla1funcsRunStart), LOAD_SIZE(_Cla1funcsLoadSize), PAGE = 0 Cla1ToCpuMsgRAM : > CLA1_MSGRAMLOW, PAGE = 1 CpuToCla1MsgRAM : > CLA1_MSGRAMHIGH, PAGE = 1 // Cla1DataRam0 : > CLARAM0, PAGE = 1 Cla1DataRam1 : > CLARAM1, PAGE = 1 CLA1mathTables : LOAD = FLASHB, RUN = CLARAM1, LOAD_START(_Cla1mathTablesLoadStart), LOAD_END(_Cla1mathTablesLoadEnd), RUN_START(_Cla1mathTablesRunStart), LOAD_SIZE(_Cla1mathTablesLoadSize), PAGE = 1 CLAscratch : { *.obj(CLAscratch) . += CLA_SCRATCHPAD_SIZE; *.obj(CLAscratch_end) } > CLARAM1, PAGE = 1 /* IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD { IQmath.lib } */ /* IQmathTables3 : > IQTABLES3, PAGE = 0, TYPE = NOLOAD { IQmath.lib } */ /* .reset is a standard section used by the compiler. It contains the */ /* the address of the start of _c_int00 for C Code. /* /* When using the boot ROM this section and the CPU vector */ /* table is not needed. Thus the default type is set here to */ /* DSECT */ .reset : > RESET, PAGE = 0, TYPE = DSECT vectors : > VECTORS PAGE = 0, TYPE = DSECT } /* //=========================================================================== // End of file. //=========================================================================== */ 希望做个的和要做的工程师们一起来讨论一下,有时候一些问题往往是在互相讨论中解决的,而且讨论问题还能互相学习没有遇到过的问题 |
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