paul@0 | 1 | /* |
paul@0 | 2 | * SPI client library to access SPI 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 "spi-client.h" |
paul@0 | 26 | |
paul@0 | 27 | /* SPI device interface. */ |
paul@0 | 28 | |
paul@0 | 29 | int |
paul@0 | 30 | Spi_device_interface::send(int bits, int data) throw() |
paul@0 | 31 | { |
paul@0 | 32 | L4::Ipc::Iostream s(l4_utcb()); |
paul@0 | 33 | |
paul@0 | 34 | s << bits << data; |
paul@0 | 35 | return l4_error(s.call(cap(), Spi_op_send)); |
paul@0 | 36 | } |