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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 "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_init(&_spi, mosi, miso, sclk, ssel); 00024 _bits = 8; 00025 _mode = 0; 00026 _hz = 1000000; 00027 spi_format(&_spi, _bits, _mode, 1); 00028 spi_frequency(&_spi, _hz); 00029 } 00030 00031 void SPISlave::format(int bits, int mode) { 00032 _bits = bits; 00033 _mode = mode; 00034 spi_format(&_spi, _bits, _mode, 1); 00035 } 00036 00037 void SPISlave::frequency(int hz) { 00038 _hz = hz; 00039 spi_frequency(&_spi, _hz); 00040 } 00041 00042 int SPISlave::receive(void) { 00043 return(spi_slave_receive(&_spi)); 00044 } 00045 00046 int SPISlave::read(void) { 00047 return(spi_slave_read(&_spi)); 00048 } 00049 00050 void SPISlave::reply(int value) { 00051 spi_slave_write(&_spi, value); 00052 } 00053 00054 } // namespace mbed 00055 00056 #endif
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