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 | } |