blackmagic/src/platforms/pc-hosted/platform.c

/*
 * This file is part of the Black Magic Debug project.
 *
 * Copyright (C) 2011  Black Sphere Technologies Ltd.
 * Written by Gareth McMullin <gareth@blacksphere.co.nz>
 * Additions by Dave Marples <dave@marples.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "general.h"
#include "gdb_if.h"
#include "version.h"
#include "platform.h"
#include "remote.h"
#include "target.h"

#include <assert.h>
#include <sys/time.h>
#include <sys/time.h>
#include <errno.h>
#include <string.h>

#include "cl_utils.h"
static BMP_CL_OPTIONS_t cl_opts; /* Portable way to nullify the struct*/

int platform_adiv5_swdp_scan(void)
{
	return adiv5_swdp_scan();
}

int platform_jtag_scan(const uint8_t *lrlens)
{
	return jtag_scan(lrlens);
}

void platform_init(int argc, char **argv)
{
  cl_opts.opt_idstring = "Blackmagic Debug Probe Remote";
  cl_init(&cl_opts, argc, argv);
  char construct[PLATFORM_MAX_MSG_SIZE];

  printf("\nBlack Magic Probe (" FIRMWARE_VERSION ")\n");
  printf("Copyright (C) 2019  Black Sphere Technologies Ltd.\n");
  printf("License GPLv3+: GNU GPL version 3 or later "
	 "<http://gnu.org/licenses/gpl.html>\n\n");

  if (serial_open(&cl_opts))
	  exit(-1);
  int c=snprintf(construct,PLATFORM_MAX_MSG_SIZE,"%s",REMOTE_START_STR);
  platform_buffer_write((uint8_t *)construct,c);
  c=platform_buffer_read((uint8_t *)construct, PLATFORM_MAX_MSG_SIZE);

  if ((!c) || (construct[0]==REMOTE_RESP_ERR))
    {
      fprintf(stderr,"Remote Start failed, error %s\n",c?(char *)&(construct[1]):"unknown");
      exit(-1);
    }

  printf("Remote is %s\n",&construct[1]);
  if (cl_opts.opt_mode != BMP_MODE_DEBUG) {
	  int ret = cl_execute(&cl_opts);
	  if (cl_opts.opt_tpwr)
		  platform_target_set_power(0);
	  serial_close();
	  exit(ret);
  } else {
	  assert(gdb_if_init() == 0);
  }
}

bool platform_target_get_power(void)
{
  uint8_t construct[PLATFORM_MAX_MSG_SIZE];
  int s;

  s=snprintf((char *)construct,PLATFORM_MAX_MSG_SIZE,"%s",REMOTE_PWR_GET_STR);
  platform_buffer_write(construct,s);

  s=platform_buffer_read(construct, PLATFORM_MAX_MSG_SIZE);

  if ((!s) || (construct[0]==REMOTE_RESP_ERR))
    {
      fprintf(stderr,"platform_target_get_power failed, error %s\n",s?(char *)&(construct[1]):"unknown");
      exit(-1);
    }

  return (construct[1]=='1');
}

void platform_target_set_power(bool power)
{
  uint8_t construct[PLATFORM_MAX_MSG_SIZE];
  int s;

  s=snprintf((char *)construct,PLATFORM_MAX_MSG_SIZE,REMOTE_PWR_SET_STR,power?'1':'0');
  platform_buffer_write(construct,s);

  s=platform_buffer_read(construct, PLATFORM_MAX_MSG_SIZE);

  if ((!s) || (construct[0]==REMOTE_RESP_ERR))
    {
      fprintf(stderr,"platform_target_set_power failed, error %s\n",s?(char *)&(construct[1]):"unknown");
      exit(-1);
    }
}

void platform_srst_set_val(bool assert)
{
  uint8_t construct[PLATFORM_MAX_MSG_SIZE];
  int s;

  s=snprintf((char *)construct,PLATFORM_MAX_MSG_SIZE,REMOTE_SRST_SET_STR,assert?'1':'0');
  platform_buffer_write(construct,s);

  s=platform_buffer_read(construct, PLATFORM_MAX_MSG_SIZE);

  if ((!s) || (construct[0]==REMOTE_RESP_ERR))
    {
      fprintf(stderr,"platform_srst_set_val failed, error %s\n",s?(char *)&(construct[1]):"unknown");
      exit(-1);
    }
}

bool platform_srst_get_val(void)

{
  uint8_t construct[PLATFORM_MAX_MSG_SIZE];
  int s;

  s=snprintf((char *)construct,PLATFORM_MAX_MSG_SIZE,"%s",REMOTE_SRST_GET_STR);
  platform_buffer_write(construct,s);

  s=platform_buffer_read(construct, PLATFORM_MAX_MSG_SIZE);

  if ((!s) || (construct[0]==REMOTE_RESP_ERR))
    {
      fprintf(stderr,"platform_srst_set_val failed, error %s\n",s?(char *)&(construct[1]):"unknown");
      exit(-1);
    }

  return (construct[1]=='1');
}

void platform_buffer_flush(void)
{

}

const char *platform_target_voltage(void)

{
  static uint8_t construct[PLATFORM_MAX_MSG_SIZE];
  int s;

  s=snprintf((char *)construct,PLATFORM_MAX_MSG_SIZE,"%s",REMOTE_VOLTAGE_STR);
  platform_buffer_write(construct,s);

  s=platform_buffer_read(construct, PLATFORM_MAX_MSG_SIZE);

  if ((!s) || (construct[0]==REMOTE_RESP_ERR))
    {
      fprintf(stderr,"platform_target_voltage failed, error %s\n",s?(char *)&(construct[1]):"unknown");
      exit(-1);
    }

  return (char *)&construct[1];
}