48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
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RSEG ICODE:CODE
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EXTERN vUARTRxISRHandler
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EXTERN vUARTTxISRHandler
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PUBLIC vUARTRxISRWrapper
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PUBLIC vUARTTxISRWrapper
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; Wrappers for the serial port interrupt service routines. These can cause a
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; context switch so requires an assembly wrapper.
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; Defines the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
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#include "ISR_Support.h"
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vUARTRxISRWrapper:
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portSAVE_CONTEXT ; Save the context of the current task.
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jarl vUARTRxISRHandler, lp ; Call the ISR routine.
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portRESTORE_CONTEXT ; Restore the context of the current task -
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; which may be different to the task that
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; was interrupted.
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vUARTTxISRWrapper:
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portSAVE_CONTEXT ; Save the context of the current task.
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jarl vUARTTxISRHandler, lp ; Call the ISR routine.
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portRESTORE_CONTEXT ; Restore the context of the current task -
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; which may be different to the task that
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; was interrupted.
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COMMON INTVEC:CODE:ROOT(2)
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ORG 2c0H
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`??vUARTRxISRWrapper??INTVEC 2c0`:
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JR vUARTRxISRWrapper
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COMMON INTVEC:CODE:ROOT(2)
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ORG 2d0H
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`??vUARTTxISRWrapper??INTVEC 2d0`:
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JR vUARTTxISRWrapper
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END
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