/** Program to generate a simple PWM signal using the BBB PRUSS
*   by Derek Molloy, for the book Exploring BeagleBone
*/
#include <stdio.h>
#include <prussdrv.h>
#include <pruss_intc_mapping.h>

#define PRU_NUM 	0

void main (void)
{
   int n;
   /* Initialize structure used by prussdrv_pruintc_intc   */
   /* PRUSS_INTC_INITDATA is found in pruss_intc_mapping.h */
   tpruss_intc_initdata pruss_intc_initdata = PRUSS_INTC_INITDATA;

   /* Allocate and initialize memory */
   prussdrv_init ();
   prussdrv_open (PRU_EVTOUT_0);

   /* Map PRU's INTC */
   prussdrv_pruintc_init(&pruss_intc_initdata);

   /* Load and execute binary on PRU */
   prussdrv_exec_program (PRU_NUM, "./testC.bin");

   /* Wait for event completion from PRU */
   n = prussdrv_pru_wait_event (PRU_EVTOUT_0);  // This assumes the PRU generates an interrupt
                                                    // connected to event out 0 immediately before halting
   printf("PRU program completed, event number %d.\n", n);

   /* Disable PRU and close memory mappings */
   prussdrv_pru_disable(PRU_NUM);
   prussdrv_exit ();
}