diffPRU.cpp

# git diff core/PRU.cpp
diff --git a/core/PRU.cpp b/core/PRU.cpp
index 90675f5a..a273001d 100644
--- a/core/PRU.cpp
+++ b/core/PRU.cpp
@@ -560,6 +560,7 @@ int PRU::initialise(BelaHw newBelaHw, int pru_num, bool uniformSampleRate, int m

 void PRU::initialisePruCommon(const McaspRegisters& mcaspRegisters)
 {
+#define FORCE_MCASP_IRQ // force to use McASP->PRU IRQ
        uint32_t board_flags = 0;
        switch(belaHw) {
        case BelaHw_BelaMiniMultiTdm:
@@ -690,6 +691,10 @@ int PRU::start(char * const filename, const McaspRegisters& mcaspRegisters)
                        fprintf(stderr, "Error: unrecognized hardware\n");
                        return 1;
        }
+#ifdef FORCE_MCASP_IRQ
+pruUsesMcaspIrq = true;
+#endif // FORCE_MCASP_IRQ
+

         if(gRTAudioVerbose)
                 printf("%ssing McASP->PRU irq\n", pruUsesMcaspIrq ? "U" : "Not u");
@@ -740,10 +745,12 @@ int PRU::start(char * const filename, const McaspRegisters& mcaspRegisters)
         }
         if(pruUsesMcaspIrq)
        {
+#ifndef FORCE_MCASP_IRQ
                 if ((rtdm_fd_mcasp_to_pru = __wrap_open(rtdm_driver, O_RDWR)) < 0) {
                         fprintf(stderr, "Unable to open rtdm driver to register McASP interrupts: (%d) %s.\n", errno, strerror(errno));
                         return 1;
                 }
+#endif
                 // For rtdm_fd_mcasp_to_pru we use an arbitrary mapping to set up
                 // the McASP to PRU interrupt.
                 // We use PRU-INTC channel 0, which will trigger the PRUs R31.t30