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SPISlave.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #include "drivers/SPISlave.h" 00017 00018 #if DEVICE_SPISLAVE 00019 00020 namespace mbed { 00021 00022 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) : 00023 _spi(), 00024 _bits(8), 00025 _mode(0), 00026 _hz(1000000) 00027 { 00028 spi_init(&_spi, mosi, miso, sclk, ssel); 00029 spi_format(&_spi, _bits, _mode, 1); 00030 spi_frequency(&_spi, _hz); 00031 } 00032 00033 void SPISlave::format(int bits, int mode) 00034 { 00035 _bits = bits; 00036 _mode = mode; 00037 spi_format(&_spi, _bits, _mode, 1); 00038 } 00039 00040 void SPISlave::frequency(int hz) 00041 { 00042 _hz = hz; 00043 spi_frequency(&_spi, _hz); 00044 } 00045 00046 int SPISlave::receive(void) 00047 { 00048 return (spi_slave_receive(&_spi)); 00049 } 00050 00051 int SPISlave::read(void) 00052 { 00053 return (spi_slave_read(&_spi)); 00054 } 00055 00056 void SPISlave::reply(int value) 00057 { 00058 spi_slave_write(&_spi, value); 00059 } 00060 00061 } // namespace mbed 00062 00063 #endif
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