Landfall

Annotated pkg/devices/pwm/src/client/pwm-client.cc

0:89a1bc19c1fc
2018-05-13 Paul Boddie Added device libraries and programs, configuration files and examples. Also added an installation script and copyright and licensing information.
paul@0 1
/*
paul@0 2
 * PWM client library to access PWM servers.
paul@0 3
 *
paul@0 4
 * (c) 2018 Paul Boddie <paul@boddie.org.uk>
paul@0 5
 *
paul@0 6
 * This program is free software; you can redistribute it and/or
paul@0 7
 * modify it under the terms of the GNU General Public License as
paul@0 8
 * published by the Free Software Foundation; either version 2 of
paul@0 9
 * the License, or (at your option) any later version.
paul@0 10
 *
paul@0 11
 * This program is distributed in the hope that it will be useful,
paul@0 12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
paul@0 13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
paul@0 14
 * GNU General Public License for more details.
paul@0 15
 *
paul@0 16
 * You should have received a copy of the GNU General Public License
paul@0 17
 * along with this program; if not, write to the Free Software
paul@0 18
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
paul@0 19
 * Boston, MA  02110-1301, USA
paul@0 20
 */
paul@0 21
paul@0 22
#include <l4/cxx/ipc_stream>
paul@0 23
#include <l4/re/env>
paul@0 24
paul@0 25
#include "pwm-client.h"
paul@0 26
paul@0 27
/* PWM device interface. */
paul@0 28
paul@0 29
int
paul@0 30
Pwm_device_interface::disable() throw()
paul@0 31
{
paul@0 32
  L4::Ipc::Iostream s(l4_utcb());
paul@0 33
paul@0 34
  return l4_error(s.call(cap(), Pwm_op_disable));
paul@0 35
}
paul@0 36
paul@0 37
int
paul@0 38
Pwm_device_interface::enable() throw()
paul@0 39
{
paul@0 40
  L4::Ipc::Iostream s(l4_utcb());
paul@0 41
paul@0 42
  return l4_error(s.call(cap(), Pwm_op_enable));
paul@0 43
}
paul@0 44
paul@0 45
int
paul@0 46
Pwm_device_interface::set_control(int control) throw()
paul@0 47
{
paul@0 48
  L4::Ipc::Iostream s(l4_utcb());
paul@0 49
paul@0 50
  s << control;
paul@0 51
  return l4_error(s.call(cap(), Pwm_op_set_control));
paul@0 52
}
paul@0 53
paul@0 54
int
paul@0 55
Pwm_device_interface::set_duty(int duty) throw()
paul@0 56
{
paul@0 57
  L4::Ipc::Iostream s(l4_utcb());
paul@0 58
paul@0 59
  s << duty;
paul@0 60
  return l4_error(s.call(cap(), Pwm_op_set_duty));
paul@0 61
}
paul@0 62
paul@0 63
int
paul@0 64
Pwm_device_interface::set_period(int period) throw()
paul@0 65
{
paul@0 66
  L4::Ipc::Iostream s(l4_utcb());
paul@0 67
paul@0 68
  s << period;
paul@0 69
  return l4_error(s.call(cap(), Pwm_op_set_period));
paul@0 70
}