How to modify startup.a51 to execute codes before main() ?

Hi, I have couple of lines of codes to insert into startup.a51. However, placing them at different places of startup.a51, either cause memory overlap (this disable my interrupts) or not to be executed...
How to modify startup.a51 to execute codes before main() ?

Hi, I have couple of lines of codes to insert into startup.a51. However, placing them at different places of startup.a51, either cause memory overlap (this disable my interrupts) or not to be executed...
Problem with using Routines in Main program file in the Interrupt service routine

I have a routine in my main program file for displaying float values on terminal program. When i try to use the same routine in my Interrupt service routine(ISR), it give an warning stating "Reference...
Problem with using Routines in Main program file in the Interrupt service routine

I have a routine in my main program file for displaying float values on terminal program. When i try to use the same routine in my Interrupt service routine(ISR), it give an warning stating "Reference...
code works on stepping but goes to interrupt when run

Hi, Iam working on a luminary micro based cortex M3 processor. Iam not using any RTOS. Iam trying to use system timer tick (luminary software based) packet transmitter code. The code works on...