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