Error at GPIO input interrupt example

PHP Code:

<?php 

run 13ms

# [CORE] Core settings: PULP_SECURE =           1, N_PMP_ENTRIES =          16, N_PMP_CFG           4

# [TB]       0ns - Entry point is set to 0x1c008080

# [TB]       0ns - Asserting hard reset

# ** Warning: (vsim-3533) [FOFIW] - Failed to open file "fs/file_0_0.txt" for writing.

# No such file or directory. (errno = ENOENT)    : /home/ivan.hirata/cadence_wd/616/tsmc18_miniasic17_wd/pulpissimo-caninos/sim/../rtl/tb/tb_fs_handler.sv(269)

#    Time: 0 ps  Iteration: 0  Instance: /tb_pulp/i_fs_handler/FS_PRINTF_CLUSTER

# ** Warning: (vsim-3533) [FOFIW] - Failed to open file "fs/file_31_0.txt" for writing.

# No such file or directory. (errno = ENOENT)    : /home/ivan.hirata/cadence_wd/616/tsmc18_miniasic17_wd/pulpissimo-caninos/sim/../rtl/tb/tb_fs_handler.sv(269)

#    Time: 0 ps  Iteration: 0  Instance: /tb_pulp/i_fs_handler/FS_PRINTF_FC

# [TB]       1ns - Using FLL

# [TB]       1ns - Not using CAM SDVT

# Loading default stimuli

# [JTAG] SoftReset Done(    701ns)

# [JTAG] Bypass Test Passed (  33301ns)

# [JTAG] Tap ID: 249511c3 (  43701ns)

# [JTAG] Tap ID Test PASSED (  43701ns)

# [test_mode_if]   50301ns - Init

# [TB]   50301ns - Enabling clock out via jtag

# [test_mode_if]   51801ns - Setting confreg to value 002.

# [TB]   51801ns - jtag_conf_reg set to 002

# [TB]   51801ns - Releasing hard reset

# [TB]   53401ns - Init PULP TAP

# [pulp_tap_if] WRITE32 burst @1c008080 for           4 bytes.

# [TB]   67501ns - Write32 PULP TAP

# [JTAG] R/W test of L2 succeeded

# [TB]  177701ns - Halting the Core

# [TB]  236501ns - Writing the boot address into dpc

# [TB]  280601ns - Loading L2 via JTAG

# [JTAG] Loading L2 with pulp tap jtag interface

# [pulp_tap_if] WRITE32 burst @1c000000 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c000400 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c000800 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c000c00 for         840 bytes.

# [pulp_tap_if] WRITE32 burst @1c008000 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c008400 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c008800 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c008c00 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c009000 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c009400 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c009800 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c009c00 for        1024 bytes.

# [pulp_tap_if] WRITE32 burst @1c00a000 for         832 bytes.

# [pulp_tap_if] WRITE32 burst @1c010000 for         240 bytes.

# [TB] 10977201ns - Resuming the CORE

# [TB] 11550701ns retrying debug reg access

# [TB] 11580001ns retrying debug reg access

# [TB] 11609301ns retrying debug reg access

# [TB] 11638601ns retrying debug reg access

# [TB] 11667901ns retrying debug reg access

# [TB] 11697201ns retrying debug reg access

# [TB] 11726501ns retrying debug reg access

# [TB] 11755801ns retrying debug reg access

# [TB] 11799801ns - Waiting for end of computation

force -freeze pad_spim_sdio0 1 0, 0 20us

run 1ms

# [STDOUT-CL31_PE0] Got edge.

force -freeze pad_spim_sdio1 1 0, 0 20us

run 1ms

# [STDOUT-CL31_PE0] Got edge.

force -freeze pad_spim_sdio2 1 0, 0 20us

run 1ms

# 15001366ns: Illegal instruction (core 0) at PC 0x00000000:

# [STDOUT-CL31_PE0] [ [35mRT(31,0) [0m]  [33mWARNING [0m: Reached illegal instruction (PC: 0x0, opcode: 0x0

# [TB] 15302201ns - Received status core: 0x7fffffff

# ** Note: $stop    : /home/ivan.hirata/cadence_wd/616/tsmc18_miniasic17_wd/pulpissimo-caninos/sim/../rtl/tb/tb_pulp.sv(857)

#    Time: 15302201 ns  Iteration: 0  Instance: /tb_pulp

# Break at /home/ivan.hirata/cadence_wd/616/tsmc18_miniasic17_wd/pulpissimo-caninos/sim/../rtl/tb/tb_pulp.sv line 857

Code:

/*

 * This example shows how to block the core until a GPIO

 * value has changed.

 */



#include <stdio.h>

#include <rt/rt_api.h>

#include <stdint.h>



#if PULP_CHIP == CHIP_GAP

#define GPIO 0

#else

#define GPIO 13

#endif



#define NB_EDGE 10



static int edges = 0;



static void gpio_handler(void *arg)

{

  printf("Got edge.\n");

  edges++;

}



// Testing one GPIO PAD

/*

int main()

{

  if (rt_event_alloc(NULL, 1)) return -1;



  // GPIO initialization

  rt_gpio_init(0, GPIO);

  rt_pad_set_function(GPIO, 1); //pad_func=1 means gpio functionality. pad_func=0 is default



  // Configure GPIO as an inpout

  rt_gpio_set_dir(0, 1<<GPIO, RT_GPIO_IS_IN);



  // Trigger notifications on both rising and falling edges

  rt_gpio_set_sensitivity(0, GPIO, RT_GPIO_SENSITIVITY_EDGE);



  // Set the event for the GPIO.

  // Note that we use an IRQ event instead of a normal one so that

  // the callback is called directly from the IRQ handler.

  rt_gpio_set_event(0, GPIO, rt_event_irq_get(gpio_handler, (void *)GPIO));



  // Now wait for a few edges and see how long it takes

  unsigned long long start = rt_time_get_us();



  while(edges < NB_EDGE)

  {

    rt_event_yield(NULL);

  }



  unsigned long long end = rt_time_get_us();

  

  printf("Got %d edges in %d us\n", NB_EDGE, end - start);



  return 0;

}*/



// Testing all GPIO PADs

int main()

{

  if (rt_event_alloc(NULL, 1)) return -1;



  // GPIO initialization

  for (int i=0; i<32; i++)

  {

    rt_gpio_init(0, i);

    rt_pad_set_function(i, 1); //pad_func=1 means gpio functionality. pad_func=0 is default

  }



  // Configure GPIO as an inpout

  rt_gpio_set_dir(0, 0xffffffff, RT_GPIO_IS_IN);



  // Trigger notifications on both rising and falling edges

  for (int i=0; i<32; i++)

  {

    rt_gpio_set_sensitivity(0, i, RT_GPIO_SENSITIVITY_RISE);

  }



  // Set the event for the GPIO.

  // Note that we use an IRQ event instead of a normal one so that

  // the callback is called directly from the IRQ handler.

  for (int i=0; i<32; i++)

  {

    rt_gpio_set_event(0, i, rt_event_irq_get(gpio_handler, (void *)i));

    while(edges == 0)

    {

      rt_event_yield(NULL);

    }

    rt_gpio_set_event(0, i, NULL);

    edges = 0;

  }



  return 0;

}