• State Not Answered
  • Locked Locked
  • Replies 38 replies
  • Subscribers 20 subscribers
  • Views 10062 views
  • Users 0 members are here
Options
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Immediate offset problem with the LDR commands

Bulent Unalmis

Compiler give error message for following codes.
A1174E: "Data transfer offset 0x00000102 out of range. Permitted values are 0x00..0x1F"

    LDR   R1,=USB_BASE
    LDRB  R0,[R1,#USB0_CSRL0] ; Error code is A1174E !!!!

USB_BASE   EQU 0x40050000
USB0_CSRL0 EQU 0x102

But compiler dont give any error if i write this program thats way

USB_BASE   EQU 0x40050000
USB0_CSRL0 EQU 0x102

    LDR   R1,=USB_BASE
    LDRB  R0,[R1,#USB0_CSRL0] ; Error code is A1174E !!!!

What is wrong?

0