v8.2 Atomic Instructions

Hello, In the new v8.2, atomic instructions are presented which can be an alternative to the previous ld/st exclusive and other similar instructions. My question is what is the advantage of using...
v8.2 Atomic Instructions

Hello, In the new v8.2, atomic instructions are presented which can be an alternative to the previous ld/st exclusive and other similar instructions. My question is what is the advantage of using...
A simple problem with atomic instructions

Hi I am using this code in my program: _inline void Local_Clear( U8 StackerID ) { U8 idata idx; idx = StackerID-3; _atomic_(0); TxSpiBuff[idx] &= 0x0fff; TxSpiBuff[idx] |= 0x3000; _endatomic_...
A simple problem with atomic instructions

Hi I am using this code in my program: _inline void Local_Clear( U8 StackerID ) { U8 idata idx; idx = StackerID-3; _atomic_(0); TxSpiBuff[idx] &= 0x0fff; TxSpiBuff[idx] |= 0x3000; _endatomic_...
Instruction cpsie i and bx LR is not atomic.

Hi All, I have a proprietary OS Implemented in our Project and its running on ARM Cortex M7. To exit ISR handler we use these 2 instructions. cpsie i bx LR The sequence of the flow is as follows...