hello here i'am attaching the file,i think this may help u. download and run it. Cofigure your vectors.asm file to post an interrupt(INT15). -Lakshman N --- Amaresh patil <> wrote: > Hi > R u using DSP/BIOS in u r application but u dont > want to use the HWI Objects . is it right. If yes > then > it is going to be bit cubersome job. As DSP BIOS > relocates the Interrrupt vector. it also user one > timer interrupt i guess...!. If u r usig DSP/BIOS > then > it is better to use HWI Objects. > If u r not using DSP/BIOS in U r Application. it > become a easy task. U need to configuration manully. > > 1. Create a section for Interrupt vector table. > then > Map it to IVT address. > 2. Write ISR routine. Do the necessary context save. > 3. return from routine with global interrupt > enabled. > becoz it is disbled while branching to ISR. > 4. But in the main routine(initialisation routine) U > first disable all interrupts. > 5. Writer Appropriate control word into IER register > to enable interrupts. > 6. Clear all pending interrupt by writing to > interrupt > Flag register. > 7. enable PGIE and GIE flag. > > U almost done. Just try it. > Hope this help u... > all the best > Regards > Amaresh > --- onoffdsp <> wrote: > > How can I configure interrupts without DSP/BIOS. > > > > I've done: > > > > //*(volatile unsigned int *) IMH &= 0x0FFFFFF; > > //Clear INT15 source > > //*(volatile unsigned int *) IMH |= 0x8000000; > > //Point TIMER1 to INT15 00010b > > > > // CSR=0x02020100; /* > Disable > > all interrupts - RevisionID+CPUID+LittleEndian*/ > > > > // IER=1; /* > Disable > > all interrupts except NMI */ > > > > // ICR=0xffff; /* Clear > > all pending interrupts */ > > > > // IER|=0x8003; /* Enable > > INT15 interrupt*/ > > // CSR|=3; //PGIE > and > > GIE > > > > > > > > On the .ASM > > INT15: b _c_int15 ;branch to ISR > > .loop 7 > > NOP > > .endloop > > > > On the .C > > > > interrupt void c_int15(void)... > > > > > > What's wrong? > > Tell me the steps to follow to configure an INT in > > 'plain text' (not DSP/BIOS) > > > > > > > > _____________________________________ > > Note: If you do a simple "reply" with your email > > client, only the author of this message will > receive > > your answer. You need to do a "reply all" if you > > want your answer to be distributed to the entire > > group. > > > > _____________________________________ > > About this discussion group: > > > > To Join: Send an email to > > > > > > To Post: Send an email to > > > > To Leave: Send an email to > > > > > > Archives: http://www.yahoogroups.com/group/c6x > > > > Other Groups: http://www.dsprelated.com > > > > > > ">http://docs.yahoo.com/info/terms/ > > > > __________________________________ > > _____________________________________ > Note: If you do a simple "reply" with your email > client, only the author of this message will receive > your answer. You need to do a "reply all" if you > want your answer to be distributed to the entire > group. > > _____________________________________ > About this discussion group: > > To Join: Send an email to > To Post: Send an email to > > To Leave: Send an email to > Archives: http://www.yahoogroups.com/group/c6x > > Other Groups: http://www.dsprelated.com > ">http://docs.yahoo.com/info/terms/ __________________________________ __________________________________ __________________________________ | |||
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