tmk_core/tool/mbed/mbed-sdk/libraries/mbed/hal/spi_api.h

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   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
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16 #ifndef MBED_SPI_API_H
  17 #define MBED_SPI_API_H
  18
  19 #include "device.h"
  20
  21 #if DEVICE_SPI
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef struct spi_s spi_t;
  28
  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);
  38
  39 #ifdef __cplusplus
  40 }
  41 #endif
  42
  43 #endif
  44
  45 #endif