1 /* mbed Microcontroller Library
2 * Copyright (c) 2006-2013 ARM Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 #ifndef MBED_SPI_API_H
17 #define MBED_SPI_API_H
27 typedef struct spi_s spi_t;
29 void spi_init (spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel);
30 void spi_free (spi_t *obj);
31 void spi_format (spi_t *obj, int bits, int mode, int slave);
32 void spi_frequency (spi_t *obj, int hz);
33 int spi_master_write (spi_t *obj, int value);
34 int spi_slave_receive(spi_t *obj);
35 int spi_slave_read (spi_t *obj);
36 void spi_slave_write (spi_t *obj, int value);
37 int spi_busy (spi_t *obj);