hi
i am so urgent. please help me.
i am using dsp 28335.
i am planning to use flash sector A, flash sector c.
Application project is stored in the FLASH sector A .
uploader project is stored in th falsh sector c.
when application project jump to the uploader project, i encoutered illegla_ISR.
Follwoing is the code to jump FLASH sector C(c_int00 of flash sector c)
switch(Decode_cmd)
{
case MSG_ID_UPLOAD_READY:
{
DELAY_US(500000);
Decode_cmd = 0;
ack_plus(0x87);
break;
}
case MSG_ID_UPLOADING:
{
if(finished_storing_image_in_fpga == 0)
{
write_512byte_to_flash();
}
else
{
Program_IMG_flash();
Decode_cmd = 0;
}
DELAY_US(400000);
break;
}
case mission_mode:
{
Decode_cmd = 0;
DINT;
IER = 0x0000;
IFR = 0x0000;
DisableDog();
asm(" LB 0x0032894D");
break;
}
0x0032894D is the c_int00 of flash sector c
Following is the uploader project(flash sector c) map file
BOOT LOADER PARAMETERS
Table Address: 0x00328000, PAGE 0
Entry Point: 0x0032894d (_c_int00)
OUTPUT TRANSLATION MAP
--------------------------------------------------------------------------------
00328000..0032bfff Page=0 Memory Width=16 ROM Width=16 "FLASHC"
--------------------------------------------------------------------------------
OUTPUT FILES: .\upload_final.hex [b0..b15]
CONTENTS: 00328000..00329254 BOOT TABLE
.cinit : dest=00329136 size=0000007b width=00000002
.text : dest=00328000 size=00000ab7 width=00000002
codestart : dest=0032be01 size=00000002 width=00000002
ramfuncs : dest=00328ab7 size=0000001f width=00000002
csmpasswds : dest=0033fff8 size=00000008 width=00000002
csm_rsvd : dest=0033ff80 size=00000076 width=00000002
.econst : dest=00329036 size=00000100 width=00000002
Flash28_API : dest=00328ad6 size=00000560 width=00000002
00329255..0032bfff FILL = 0000ffff
follwoing is the hex.cmd file for making hex file of Flash sector c
UPLOAD.out /* input COFF file */
--map UPLOAD.map /* create a hex map file */
-a /* create ASCII image */
--image /* Create a memory image (no discontinuities) */
--order=LS /* little endian */
--zero /* reset address origin to 0 for output file(s) */
--memwidth 16
--boot /* create a boot table for all initialized sects */
--entrypoint=_c_int00
ROMS
{
FLASHC: org = 0x328000, len = 0x4000, romwidth = 16, files = {.\upload_final.hex}, fill = 0xffff
}
