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