Need hlp in Keil uVision... ?

[abdalla]

Hi

i want to store a table of data in specific address location ?

so whn i burn my microcontroller the table is stored on the memory..

Note : __at keyword doesn`t support initlization so u must make initilize function in the main ...but i don`t like so...as i want to store my data on memory directly..........CAN u HLP



thx..?

 

[RBB]

This will store the data in the code space...

code unsigned char crcTable[] = {
0x00, 0x2f, 0x5e, 0x71, 0xbc, 0x93, 0xe2, 0xcd,
0x57, 0x78, 0x09, 0x26, 0xeb, 0xc4, 0xb5, 0x9a,
0xae, 0x81, 0xf0, 0xdf, 0x12, 0x3d, 0x4c, 0x63};

This will store the data in the external ram...
xdata unsigned char crcTable[] = {
0x00, 0x2f, 0x5e, 0x71, 0xbc, 0x93, 0xe2, 0xcd,
0x57, 0x78, 0x09, 0x26, 0xeb, 0xc4, 0xb5, 0x9a,
0xae, 0x81, 0xf0, 0xdf, 0x12, 0x3d, 0x4c, 0x63};

Does that help?

 

[abdalla]

thx for ur reply


but it give me error
Main.c(4): error: #65: expected a ";"

it seems not to accept it as Token PLUS u didn`t specify the location ??

 

[BeTZ]

u don't need to know the location, u can use pointer to do it.

eq:

unsigned char crcTable[] = {0x00,0x2f,0x5e,0x71,0xbc, 0x93, 0xe2, 0xcd, 0x57, 0x78, 0x09, 0x26, 0xeb, 0xc4, 0xb5, 0x9a, 0xae, 0x81, 0xf0, 0xdf, 0x12, 0x3d, 0x4c, 0x63};
unsigned char *p;
to access the crcTable u can use pointer to do it.

p=crcTable;