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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Alan,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Thanks for finding the bug, but that’s not it. I tried changing it to “_level” and “_old_handler” (thanks Ric Claus), and didn’t change anything. The function that calls the #define has “level” defined (I copied the function code into a #define to prevent the compiler optimization), thus it worked with both “level” and “_level”. Sloppy, must admit.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>I have tried with the no optimization too, and the code that I posted was amalgamation of different things I have tried. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>I have also tried calling “</span><span style='font-size:10.0pt;font-family:"Courier New";background:silver;mso-highlight:silver'>rtems_interrupt_catch</span><span style='font-size:11.0pt;font-family:"Courier New"'>” and “</span><span style='font-size:10.0pt;font-family:"Courier New";background:silver;mso-highlight:silver'>_CPU_ISR_install_raw_handler</span><span style='font-size:10.0pt;font-family:"Courier New"'>” to no avail. When I examine the vector table, it seems fine, but I cannot get it to vector to an interrupt handler.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>If it means anything, I am using RTEMS 4.10.2. </span><span style='font-size:11.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Ric,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>The purpose of the cocktail of #define with do/while is to avoid compiler optimization, which tends to rearrange the code sometimes, or optimize out statements that it thinks should not be there.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Joel,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>I have my scope monitoring the *IRQ4 line, and I can see when I ground it physically. I have also tried all other interrupt lines from IRQ2 to IRQ7 (thinking that maybe a trace is bad) and I still don’t have it running. I’ve changed the board too.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>I appreciate you guys trying to help me, but my problems continue.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>Ivica Eftimovski<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In the macro below you use "_level" but in the rtems_interrupt_enable call you use "level" without the underscore.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Could that be a problem?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Alan<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On May 11, 2012, at 11:55 AM, Ivica Eftimovski wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'>#define TPUInterruptSetHandler(_level,_vector,_old_handler) \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> do { \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> rtems_interrupt_disable(_level); \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> MCF5235_INTC0_IMRL &= ~(MCF5235_INTC0_IMRL_INT4 | \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> MCF5235_INTC0_IMRL_MASKALL); \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> handle_status = rtems_interrupt_catch(TPUInterruptHandler, \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> TPU_INT_VECTOR, &old_handler); \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> rtems_interrupt_enable(level); \</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Courier New"'> } while(0)</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>