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FreeRTOS Support ArchiveThe FreeRTOS support forum is used to obtain active support directly from Real Time Engineers Ltd. In return for using our top quality software and services for free, we request you play fair and do your bit to help others too! Sign up to receive notifications of new support topics then help where you can.
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ISR calling in CPosted by Nobody/Anonymous on February 1, 2006 It is possible to write the ISR directly in C without writing the ISRentry in assembly (for the portSAVE_CONTEXT & portRESTORE_CONTEXT macros)? RE: ISR calling in CPosted by Nobody/Anonymous on February 1, 2006 This depends on the compiler you are using. If you look at the GCC ports you will see that they use an inline assembler to create macros and there are no separate asm files. If you look at (for example) the IAR ports you will see that asm files are necessary as the inline assembler cannot access the C variables directly.
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
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