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Discussion Groups | Analog Devices DSPs | Re: Vector interrupts
Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).
Re: Vector interrupts - B Flinn - Aug 19 19:24:00 1999
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Using the following ADSP 21061 EZ-Kit Light board with EZ-Ice probe running under ADSP-21061 EZKit Emulator (Wice_ez) release 3.3, release date 12/1/96, version #2.3, silicon Rev 12, using the built in kernel for RS232 comm so I can write to the DSP from host p.c. using comm without stopping the Emulator to write to the DSP. I am attempting to implement a Vector Interrupt. I have set the imask VIRPTI bit and enabled global interrupts & nesting in the mode1 register. I run my program with brake points set to the vector location, and varify I am indeed receiving the correct value for the vector to VIRPT. No interrupt ever happens, no VIPD bit in the SYSTAT, no IMASKP VIRPT bit, nothing. Even stopping the emulator and forcing a value in the VIRPT directly then single stepping does not generate a VIPD bit or a interrupt. What am I doing wrong? Thanks Brian |
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