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spi_api.h
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 #ifndef MBED_SPI_API_H 00017 #define MBED_SPI_API_H 00018 00019 #include "device.h" 00020 00021 #if DEVICE_SPI 00022 00023 #ifdef __cplusplus 00024 extern "C" { 00025 #endif 00026 00027 typedef struct spi_s spi_t; 00028 00029 void spi_init (spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel); 00030 void spi_free (spi_t *obj); 00031 void spi_format (spi_t *obj, int bits, int mode, int slave); 00032 void spi_frequency (spi_t *obj, int hz); 00033 int spi_master_write (spi_t *obj, int value); 00034 int spi_slave_receive(spi_t *obj); 00035 int spi_slave_read (spi_t *obj); 00036 void spi_slave_write (spi_t *obj, int value); 00037 int spi_busy (spi_t *obj); 00038 00039 #ifdef __cplusplus 00040 } 00041 #endif 00042 00043 #endif 00044 00045 #endif
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