#include <stdint.h>
#include "pru_ctrl.h"

// define this to PRU0_CTRL or PRU1_CTRL depending on which core is running this code
#define PRU_CTRL PRU0_CTRL

int main() {
    // disable and reset cycle counter
    PRU_CTRL.CTR_EN = 0;
    PRU_CTRL.CYCLE = 0;

    // enable cycle counter
    PRU_CTRL.CTR_EN = 1;

    // ... do stuff here ...

    // read cycle counter
    uint32_t count = PRU_CTRL.CYCLE;

    __halt();
}