FlashProgram/FlashErase call and interaction with interrupts on LM4F using CCS 5.2

John Osen

When using FlashProgram, should the caller disable interrupts before the call and enable after the call? Or is this done by FlashProgram (and FlashErase)? Or are these two calls insensitive to interrupts?

I am worried about breaking the internal Flash routine with an interrupts, but would prefer to leave interrupts enabled.

over 13 years ago

0 Eric Ocasio over 13 years ago

TI__Genius 10650 points

I suggest disabling them, even though it's not necessary. Access to the flash is held off while program/erase operations are in progress. It's better to be safe and just disable them though.

0 JR Simma over 10 years ago

Intellectual 660 points

In case someone finds this thread, I want to point out that interrupts with flashprogram and flashwrite are a problem. you'll drop interrupts if your flash routines and interrupts are not both executing from RAM. here is my recent thread post:

e2e.ti.com/.../1413394

0 Amit Ashara over 10 years ago in reply to JR Simma

TI__Guru**** 244400 points

Hello JR,

This is one of the 3 threads you have. Let us revert to one thread (the fresh forum post)

Regards
Amit

Arm-based microcontrollers

Arm-based microcontrollers forum

FlashProgram/FlashErase call and interaction with interrupts on LM4F using CCS 5.2