dsp 28377在线升级实例总结

使用dsp品台28377d来实现在线升级的功能。

方案：升级程序 + 应用程序

升级程序：主要的目的是将上位机发送过来的应用程序数据（ccs编译生成的.bin文件）烧写到指定位置，之后在跳转到应用程序执行。

应用程序：等待升级的程序

//-------------------------------------------------------------------------------------------------------------------------------------------------------------------

升级代码段：

flash_programming_cpu01.c

 //#########################################################################

 // FILE: flash_programming_cpu01.c

 // TITLE: Flash Programming Example for F2837xD.

 //

 //! \addtogroup dual_example_list

 //! <h1> Flash Programming </h1>

 //!

 //! This example demonstrates F021 Flash API usage.

 //

 //#########################################################################

 // $TI Release: F2837xD Support Library v170 $

 // $Release Date: Mon Sep 21 16:52:10 CDT 2015 $

 // $Copyright: Copyright (C) 2013-2015 Texas Instruments Incorporated -

 // http://www.ti.com/ ALL RIGHTS RESERVED $

 //#########################################################################  

 #include "F28x_Project.h" // Device Headerfile and Examples Include<span style="white-space:pre">    </span>File

 #include "F2837xD_Ipc_drivers.h"  

 #include <string.h>  

 //Include Flash API example header file

 #include "flash_programming_c28.h"  

 #define ENTRYADDR 0x88000  

 extern void lightflash(void);  

 //*************************************************************************

 // FILE Flash API include file

 //*************************************************************************

 #include "F021_F2837xD_C28x.h"  

 //Data/Program Buffer used for testing the flash API functions

 #define WORDS_IN_FLASH_BUFFER 3608 // Programming data buffer, words  

 uint16 Buffer[WORDS_IN_FLASH_BUFFER + ];

 uint32 *Buffer32 = (uint32 *)Buffer;  

 #pragma DATA_SECTION(pbuffer , "PDATASAVE");

 uint16 pbuffer[WORDS_IN_FLASH_BUFFER]= {

 #include "P_DATA.h"

 };  

 //*************************************************************************

 // Prototype of the functions used in this example

 //*************************************************************************

 void Example_CallFlashAPI(void);  

 //*************************************************************************

 // This is an example code demonstrating F021 Flash API usage.

 // This code is in Flash

 //*************************************************************************

 void main(void)

 {

 // Step 1. Initialize System Control:

 // Enable Peripheral Clocks

 // This example function is found in the F2837xD_SysCtrl.c file.

 InitSysCtrl();  

 IPCBootCPU2(C1C2_BROM_BOOTMODE_BOOT_FROM_FLASH);  

 InitGpio();  

 InitPieCtrl();  

 IER = 0x0000;

 IFR = 0x0000;  

 InitPieVectTable();  

 EINT; // Enable Global interrupt INTM  

 // Jump to RAM and call the Flash API functions

 Example_CallFlashAPI();  

 DELAY_US();  

 static void (*APPEntry)(void);  

 APPEntry = (void (*)(void))(ENTRYADDR);  

 ESTOP0;  

 (*APPEntry)();  

 while();  

 }  

 //*************************************************************************

 // Example_CallFlashAPI

 //

 // This function will interface to the flash API.

 // Flash API functions used in this function are executed from RAM

 //*************************************************************************

 #pragma CODE_SECTION(Example_CallFlashAPI , "ramfuncs");

 void Example_CallFlashAPI(void)

 {

 uint32 u32Index = ;

 uint16 i = ;  

 Fapi_StatusType oReturnCheck;

 volatile Fapi_FlashStatusType oFlashStatus;  

 // Gain pump semaphore

 SeizeFlashPump();  

 EALLOW;

 Flash0EccRegs.ECC_ENABLE.bit.ENABLE = 0x0;

 EDIS;  

 EALLOW;  

 oReturnCheck = Fapi_initializeAPI(F021_CPU0_BASE_ADDRESS, );//for now keeping it out  

 if(oReturnCheck != Fapi_Status_Success)

 {

 // Check Flash API documentation for possible errors

 while();

 }  

 oReturnCheck = Fapi_setActiveFlashBank(Fapi_FlashBank0);

 if(oReturnCheck != Fapi_Status_Success)

 {

 // Check Flash API documentation for possible errors

 while();

 }  

 oReturnCheck = Fapi_issueAsyncCommandWithAddress(Fapi_EraseSector,

 (uint32 *)ENTRYADDR);  

 while (Fapi_checkFsmForReady() != Fapi_Status_FsmReady){}  

 // In this case just fill a buffer with data to program into the flash.

 for(i=, u32Index = ENTRYADDR;  

 (u32Index < (ENTRYADDR + WORDS_IN_FLASH_BUFFER))&& (oReturnCheck ==Fapi_Status_Success);  

 i=i+, u32Index = u32Index + )

 {

 oReturnCheck = Fapi_issueProgrammingCommand((uint32 *)u32Index,&pbuffer[i],

 ,

 ,

 ,

 Fapi_DataOnly);  

 while(Fapi_checkFsmForReady() == Fapi_Status_FsmBusy);  

 if(oReturnCheck != Fapi_Status_Success)

 {

 // Check Flash API documentation for possible errors

 while();

 }  

 // Read FMSTAT register contents to know the status of FSM after

 // program command for any debug

 oFlashStatus = Fapi_getFsmStatus();

 }  

 // Leave control over flash pump

 ReleaseFlashPump();

 }

第98行的函数：

void Example_CallFlashAPI(void)

将数据烧写到地址为0x88000地址为首地址的flash内存当中。并且函数在ramfunc中运行，ramfunc和首地址的跳转在cmd文件中有体现

2837xD_FLASH_lnk_cpu1.cmd  

MEMORY

 {

 PAGE  : /* Program Memory */

 /* Memory (RAM/FLASH) blocks can be moved to PAGE1 for dataallocation */

 /* BEGIN is used for the "boot to Flash" bootloader mode */  

BEGIN : origin = 0x080000, length = 0x000002

 RAMM0 : origin = 0x000122, length = 0x0002DE

 RAMD0 : origin = 0x00B000, length = 0x000800

 RAMLS0 : origin = 0x008000, length = 0x000800

 RAMLS1 : origin = 0x008800, length = 0x000800

 RAMLS2 : origin = 0x009000, length = 0x000800

 RAMLS3 : origin = 0x009800, length = 0x000800

 RAMLS4 : origin = 0x00A000, length = 0x000800

 RAMGS14 : origin = 0x01A000, length = 0x001000

 RAMGS15 : origin = 0x01B000, length = 0x001000

 RESET : origin = 0x3FFFC0, length = 0x000002  

 /* Flash sectors */

 FLASHA : origin = 0x080002, length = 0x001FFE /* on-chipFlash */

 FLASHB : origin = 0x082000, length = 0x002000 /* on-chipFlash */

 FLASHC : origin = 0x084000, length = 0x002000 /* on-chipFlash */

 FLASHD : origin = 0x086000, length = 0x002000 /* on-chipFlash */

 FLASHE : origin = 0x088000, length = 0x008000 /* on-chipFlash */

 FLASHF : origin = 0x090000, length = 0x008000 /* on-chipFlash */

 FLASHG : origin = 0x098000, length = 0x008000 /* on-chipFlash */

 FLASHH : origin = 0x0A0000, length = 0x008000 /* on-chipFlash */

 FLASHI : origin = 0x0A8000, length = 0x008000 /* on-chipFlash */

 FLASHJ : origin = 0x0B0000, length = 0x008000 /* on-chipFlash */

 FLASHK : origin = 0x0B8000, length = 0x002000 /* on-chipFlash */

 FLASHL : origin = 0x0BA000, length = 0x002000 /* on-chipFlash */

 FLASHM : origin = 0x0BC000, length = 0x002000 /* on-chipFlash */

 FLASHN : origin = 0x0BE000, length = 0x002000 /* on-chipFlash */  

 PAGE  : /* Data Memory */

 /* Memory (RAM/FLASH) blocks can be moved to PAGE0 for programallocation */  

 BOOT_RSVD : origin = 0x000002, length = 0x000120 /* Part ofM0, BOOT rom will use this for stack */

 RAMM1 : origin = 0x000400, length = 0x000400 /* on-chipRAM block M1 */

 RAMD1 : origin = 0x00B800, length = 0x000800  

 RAMLS5 : origin = 0x00A800, length = 0x000800  

 RAMGS0 : origin = 0x00C000, length = 0x001000

 RAMGS1 : origin = 0x00D000, length = 0x001000

 RAMGS2 : origin = 0x00E000, length = 0x001000

 RAMGS3 : origin = 0x00F000, length = 0x001000

 RAMGS4 : origin = 0x010000, length = 0x001000

 RAMGS5 : origin = 0x011000, length = 0x001000

 RAMGS6 : origin = 0x012000, length = 0x001000

 RAMGS7 : origin = 0x013000, length = 0x001000

 RAMGS8 : origin = 0x014000, length = 0x001000

 RAMGS9 : origin = 0x015000, length = 0x001000

 RAMGS10 : origin = 0x016000, length = 0x001000

 RAMGS11 : origin = 0x017000, length = 0x001000

 RAMGS12 : origin = 0x018000, length = 0x001000

 RAMGS13 : origin = 0x019000, length = 0x001000  

 CPU2TOCPU1RAM : origin = 0x03F800, length = 0x000400

 CPU1TOCPU2RAM : origin = 0x03FC00, length = 0x000400

 }  

 SECTIONS

 {

 /* Allocate program areas: */

 .cinit : > FLASHB PAGE = , ALIGN()

 .pinit : > FLASHB, PAGE = , ALIGN()

 .text : >> FLASHB | FLASHC | FLASHD PAGE = ,ALIGN()

 codestart : > BEGIN PAGE = , ALIGN()

 ramfuncs : LOAD = FLASHD,

 RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,

 LOAD_START(_RamfuncsLoadStart),

 LOAD_SIZE(_RamfuncsLoadSize),

 LOAD_END(_RamfuncsLoadEnd),

 RUN_START(_RamfuncsRunStart),

 RUN_SIZE(_RamfuncsRunSize),

 RUN_END(_RamfuncsRunEnd),

 PAGE = , ALIGN()  

 /* Allocate uninitalized data sections: */

 .stack : > RAMM1 PAGE =

 .ebss : >> RAMLS5 | RAMGS0 | RAMGS1 PAGE =

 .esysmem : > RAMLS5 PAGE =   

 /* Initalized sections go in Flash */

 .econst : >> FLASHF | FLASHG | FLASHH PAGE = ,ALIGN()

 .switch : > FLASHB PAGE = , ALIGN()  

 .reset : > RESET, PAGE = , TYPE = DSECT /* not used,*/  

 Filter_RegsFile : > RAMGS0, PAGE =   

 SHARERAMGS0 : > RAMGS0, PAGE =

 SHARERAMGS1 : > RAMGS1, PAGE =

 ramgs0 : > RAMGS0, PAGE =

 ramgs1 : > RAMGS1, PAGE =   

 #ifdef __TI_COMPILER_VERSION

 #if __TI_COMPILER_VERSION >= 15009000

 .TI.ramfunc : {} LOAD = FLASHD,

 RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,

 LOAD_START(_RamfuncsLoadStart),

 LOAD_SIZE(_RamfuncsLoadSize),

 LOAD_END(_RamfuncsLoadEnd),

 RUN_START(_RamfuncsRunStart),

 RUN_SIZE(_RamfuncsRunSize),

 RUN_END(_RamfuncsRunEnd),

 PAGE = , ALIGN()

 #endif

 #endif  

 /* The following section definitions are required when using the IPC API Drivers */

 GROUP : > CPU1TOCPU2RAM, PAGE =

 {

 PUTBUFFER

 PUTWRITEIDX

 GETREADIDX

 }  

 GROUP : > CPU2TOCPU1RAM, PAGE =

 {

 GETBUFFER : TYPE = DSECT

 GETWRITEIDX : TYPE = DSECT

 PUTREADIDX : TYPE = DSECT

 }  

 /* The following section definition are for SDFM examples */

 Filter1_RegsFile : > RAMGS1, PAGE = , fill=0x1111

 Filter2_RegsFile : > RAMGS2, PAGE = , fill=0x2222

 Filter3_RegsFile : > RAMGS3, PAGE = , fill=0x3333

 Filter4_RegsFile : > RAMGS4, PAGE = , fill=0x4444

 Difference_RegsFile : >RAMGS5, PAGE = , fill=0x3333

 PDATASAVE : > RAMGS0 , PAGE =   

 }  

 /*

141 //=========================================================================

==

142 // End of file.

143 //=========================================================================

==

144 */

应用程序代码如下所示：

blinky_cpu01.c

 //#########################################################################

 // FILE: blinky_cpu01.c

 // TITLE: LED Blink Example for F2837xD.

 //

 //! \addtogroup cpu01_example_list

 //! <h1> Blinky </h1>

 //!

 //! This example blinks LED X

 //

 //#########################################################################

 // $TI Release: F2837xD Support Library v180 $

 // $Release Date: Fri Nov 6 16:19:46 CST 2015 $

 // $Copyright: Copyright (C) 2013-2015 Texas Instruments Incorporated -

 // http://www.ti.com/ ALL RIGHTS RESERVED $

 //#########################################################################  

 #include "F28x_Project.h" // Device Headerfile and Examples IncludeFile

 #include <string.h>  

 Uint16 test = ;  

 //void setup_emif1_pinmux_async_16bit(Uint16 cpu_sel);

 //***************************************************************

 //usart initial block

 //***************************************************************

 void UsartInit(void)

 {

 GPIO_SetupPinMux(, GPIO_MUX_CPU1, );

 GPIO_SetupPinOptions(, GPIO_INPUT, GPIO_PUSHPULL);

 GPIO_SetupPinMux(, GPIO_MUX_CPU1, );

 GPIO_SetupPinOptions(, GPIO_OUTPUT, GPIO_ASYNC);  

 //---- USART configuration ----------

 SciaRegs.SCIFFTX.all=0xE040;

 SciaRegs.SCIFFRX.all=0x2044;

 SciaRegs.SCIFFCT.all=0x0;  

 SciaRegs.SCICCR.all =0x0007; // 1 stop bit, No loopback

 // No parity,8 char bits,

 // async mode, idle-line protocol

 SciaRegs.SCICTL1.all =0x0003; // enable TX, RX, internal SCICLK,

 // Disable RX ERR, SLEEP, TXWAKE

 SciaRegs.SCICTL2.all =0x0003;

 SciaRegs.SCICTL2.bit.TXINTENA =;

 SciaRegs.SCICTL2.bit.RXBKINTENA =;

 SciaRegs.SCIHBAUD.all =0x0002;

Page 1blinky_cpu01.c

 SciaRegs.SCILBAUD.all =0x008B;

 // SciaRegs.SCICCR.bit.LOOPBKENA =1; // Enable loop back

 SciaRegs.SCICTL1.all =0x0023; // Relinquish SCI from Reset  

 //-DMA configuration

 }  

 //***************************************************************

 //usart UsartSendData block

 //just fit for 8 bit data to send

 //***************************************************************

 void UsartSendData(uint16_t data_in)

 {

 SciaRegs.SCITXBUF.all = data_in;

 while(SciaRegs.SCIFFTX.bit.TXFFST !=); // wait for RRDY/RXFFST =1 fordata available in FIFO

 }  

 void main(void)

 {

 InitSysCtrl();  

 InitGpio();  

 DINT;  

 InitPieCtrl();  

 // Disable CPU interrupts and clear all CPU interrupt flags:

 IER = 0x0000;

 IFR = 0x0000;  

 InitPieVectTable();  

 EINT; // Enable Global interrupt INTM  

 UsartInit();  

 EALLOW;

 GpioCtrlRegs.GPAMUX1.bit.GPIO10 = ;

 GpioCtrlRegs.GPADIR.bit.GPIO10 = ;

 EDIS;  

 GpioDataRegs.GPADAT.bit.GPIO10 = ;  

 while(){  

 GpioDataRegs.GPADAT.bit.GPIO10 = ;  

 DELAY_US();  

 GpioDataRegs.GPADAT.bit.GPIO10 = ;  

 DELAY_US();  

 if(test == ) test = ;  

 test = test + ;  

 UsartSendData(test);  

 DELAY_US();

 }

 }

应用程序在调试的时候出现了一个问题　：

就是在在线调试的过程中，从升级程序跳转到应用程序的时候：

static void (*APPEntry)(void);  

 APPEntry = (void (*)(void))(ENTRYADDR);  

 ESTOP0;  

 (*APPEntry)();

进入应用程序，应用程序总是会在一些地方跳转到异常中断，最后找问题找到是在应用程序中的IntiFlash（）函数，屏蔽掉该函数就正常啦。

IntiFlash（）函数是嵌入到InitSysCtrl（）；中，就是应用程序最开始调用的那个函数。

2837xD_FLASH_lnk_cpu1.cmd  

MEMORY

 {

 PAGE  : /* Program Memory */

 /* Memory (RAM/FLASH) blocks can be moved to PAGE1 for data allocation */

 /* BEGIN is used for the "boot to Flash" bootloader mode */  

BEGIN : origin = 0x088000, length = 0x000002

 RAMM0 : origin = 0x000122, length = 0x0002DE

 RAMD0 : origin = 0x00B000, length = 0x000800

 RAMLS0 : origin = 0x008000, length = 0x000800

 RAMLS1 : origin = 0x008800, length = 0x000800

 RAMLS2 : origin = 0x009000, length = 0x000800

 RAMLS3 : origin = 0x009800, length = 0x000800

 RAMLS4 : origin = 0x00A000, length = 0x000800

 RAMGS14 : origin = 0x01A000, length = 0x001000

 RAMGS15 : origin = 0x01B000, length = 0x001000

 RESET : origin = 0x3FFFC0, length = 0x000002  

 /* Flash sectors */

 FLASHA : origin = 0x080002, length = 0x001FFE /* on-chipFlash */

 FLASHB : origin = 0x082000, length = 0x002000 /* on-chipFlash */

 FLASHC : origin = 0x084000, length = 0x002000 /* on-chipFlash */

 FLASHD : origin = 0x086000, length = 0x002000 /* on-chipFlash */

 FLASHE : origin = 0x088002, length = 0x007FFE /* on-chipFlash */

 FLASHF : origin = 0x090000, length = 0x008000 /* on-chipFlash */

 FLASHG : origin = 0x098000, length = 0x008000 /* on-chipFlash */

 FLASHH : origin = 0x0A0000, length = 0x008000 /* on-chipFlash */

 FLASHI : origin = 0x0A8000, length = 0x008000 /* on-chipFlash */

 FLASHJ : origin = 0x0B0000, length = 0x008000 /* on-chipFlash */

 FLASHK : origin = 0x0B8000, length = 0x002000 /* on-chipFlash */

 FLASHL : origin = 0x0BA000, length = 0x002000 /* on-chipFlash */

 FLASHM : origin = 0x0BC000, length = 0x002000 /* on-chipFlash */

 FLASHN : origin = 0x0BE000, length = 0x002000 /* on-chipFlash */  

Page 12837xD_FLASH_lnk_cpu1.cmd

 PAGE  : /* Data Memory */

 /* Memory (RAM/FLASH) blocks can be moved to PAGE0 for programallocation */  

 BOOT_RSVD : origin = 0x000002, length = 0x000120 /* Part ofM0, BOOT rom will use this for stack */

 RAMM1 : origin = 0x000400, length = 0x000400 /* on-chipRAM block M1 */

 RAMD1 : origin = 0x00B800, length = 0x000800  

 RAMLS5 : origin = 0x00A800, length = 0x000800  

 RAMGS0 : origin = 0x00C000, length = 0x001000

 RAMGS1 : origin = 0x00D000, length = 0x001000

 RAMGS2 : origin = 0x00E000, length = 0x001000

 RAMGS3 : origin = 0x00F000, length = 0x001000

 RAMGS4 : origin = 0x010000, length = 0x001000

 RAMGS5 : origin = 0x011000, length = 0x001000

 RAMGS6 : origin = 0x012000, length = 0x001000

 RAMGS7 : origin = 0x013000, length = 0x001000

 RAMGS8 : origin = 0x014000, length = 0x001000

 RAMGS9 : origin = 0x015000, length = 0x001000

 RAMGS10 : origin = 0x016000, length = 0x001000

 RAMGS11 : origin = 0x017000, length = 0x001000

 RAMGS12 : origin = 0x018000, length = 0x001000

 RAMGS13 : origin = 0x019000, length = 0x001000  

 CPU2TOCPU1RAM : origin = 0x03F800, length = 0x000400

 CPU1TOCPU2RAM : origin = 0x03FC00, length = 0x000400

 }  

 SECTIONS

 {

 /* Allocate program areas: */

 .cinit : > FLASHE PAGE = , ALIGN()

 .pinit : > FLASHE, PAGE = , ALIGN()

 .text : >> FLASHE PAGE = , ALIGN()

 codestart : > BEGIN PAGE = , ALIGN()

 ramfuncs : LOAD = FLASHE,

 RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,

 LOAD_START(_RamfuncsLoadStart),

 LOAD_SIZE(_RamfuncsLoadSize),

 LOAD_END(_RamfuncsLoadEnd),

 RUN_START(_RamfuncsRunStart),

 RUN_SIZE(_RamfuncsRunSize),

 RUN_END(_RamfuncsRunEnd),

 PAGE = , ALIGN()  

 /* Allocate uninitalized data sections: */

 .stack : > RAMM1 PAGE =

 .ebss : >> RAMLS5 | RAMGS0 | RAMGS1 PAGE =

 .esysmem : > RAMLS5 PAGE =   

 /* Initalized sections go in Flash */

 .econst : >> FLASHE PAGE = , ALIGN()

 .switch : > FLASHE PAGE = , ALIGN()  

 .reset : > RESET, PAGE = , TYPE = DSECT /* not used,*/  

 Filter_RegsFile : > RAMGS0, PAGE =   

 SHARERAMGS0 : > RAMGS0, PAGE =

 SHARERAMGS1 : > RAMGS1, PAGE =

 ramgs0 : > RAMGS0, PAGE =

 ramgs1 : > RAMGS1, PAGE =   

 #ifdef __TI_COMPILER_VERSION

 #if __TI_COMPILER_VERSION >= 15009000

 .TI.ramfunc : {} LOAD = FLASHE,

 RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,

 LOAD_START(_RamfuncsLoadStart),

 LOAD_SIZE(_RamfuncsLoadSize),

 LOAD_END(_RamfuncsLoadEnd),

 RUN_START(_RamfuncsRunStart),

 RUN_SIZE(_RamfuncsRunSize),

 RUN_END(_RamfuncsRunEnd),

 PAGE = , ALIGN()

 #endif

 #endif  

 /* The following section definitions are required when using the IPC APIDrivers */

 GROUP : > CPU1TOCPU2RAM, PAGE =

 {

 PUTBUFFER

 PUTWRITEIDX

 GETREADIDX

 }  

 GROUP : > CPU2TOCPU1RAM, PAGE =

 {

 GETBUFFER : TYPE = DSECT

 GETWRITEIDX : TYPE = DSECT

 PUTREADIDX : TYPE = DSECT

 }  

 /* The following section definition are for SDFM examples */

 Filter1_RegsFile : > RAMGS1, PAGE = , fill=0x1111

 Filter2_RegsFile : > RAMGS2, PAGE = , fill=0x2222

 Filter3_RegsFile : > RAMGS3, PAGE = , fill=0x3333

 Filter4_RegsFile : > RAMGS4, PAGE = , fill=0x4444

 Difference_RegsFile : >RAMGS5, PAGE = , fill=0x3333  

 }  

 /*

140 //=========================================================================

==

141 // End of file.

142 //=========================================================================

==

143 */

升级程序完成，可用

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