Honored ContributorI am getting the warning.
--- Quote Start --- warning: implicit declaration of function 'alt_irq_register' --- Quote End --- Call in code is alt_irq_register(CODEC_SIMPLE_MASTER_2_0_IRQ_INTERRUPT_CONTROLLER_ID, (void *) NULL, codec_isr); I have also included <alt_irq.h> Can I ignore this warning?
Honored ContributorI can't see any BSP config however this is where I am at.
I got the thing to build again using ALT_ENHANCED_INTERRUPT_API_PRESENT And using Enhanced Interrupts. I set up the interrupt in code by calling alt_ic_isr_register (CODEC_SIMPLE_MASTER_2_0_IRQ_INTERRUPT_CONTROLLER_ID, CODEC_SIMPLE_MASTER_2_0_IRQ, codec_isr, NULL, 0x0); My interrupt service routine is. static void codec_isr (void *context) { } This builds fine however the processor seems to hang when the interrupt is asserted. I did an enhanced interrupt based PIO based project and I can get into the interrupt here (to check if my setup was correct). So my custom peripheral's interrupt seems to hang the NIOS II processor. (The main loop is no longer running). Weird. Any ideas?Honored ContributorFound the problem.
Me and my software bugs. I was setting up the DMA with a wrong address and probably overwriting a critical area of memory. Ooops.... :oops:Honored Contributoronly you include# undef ALT_ENHANCED_INTERRUPT_API_PRESENT and dissapear the warning???
I've incluided this line, but the warning continues, and the interrupt doens't work Help me in this problemHonored ContributorBy default ALT_ENHANCED_INTERRUPT_API_PRESENT is defined. Therefore you need to set up with the interrupt prototypes for these given in the appropriate header file.
