* arch/arm/src/samv7/sam_serial_spi.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_SAMV7_SAM_SERIAL_SPI_H
#define __ARCH_ARM_SRC_SAMV7_SAM_SERIAL_SPI_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include "chip.h"
#include "sam_config.h"
#ifdef CONFIG_SAMV7_USART_IS_SPI_MASTER
* Pre-processor Definitions
****************************************************************************/
* Public Types
****************************************************************************/
* Inline Functions
****************************************************************************/
#ifndef __ASSEMBLY__
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
* Public Function Prototypes
****************************************************************************/
* Name: sam_serial_spi_initialize
*
* Description:
* Initialize the selected SPI port in master mode
*
* Input Parameters:
* port - USART interface to be used (0-2)
*
* Returned Value:
* Valid SPI device structure reference on success; a NULL on failure
*
****************************************************************************/
struct spi_dev_s;
struct spi_dev_s *sam_serial_spi_initialize(int port);
* Name: sam_serial_status
*
* Description:
* Return status information associated with the SPI device.
*
* Input Parameters:
* devid - Identifies the (logical) device
*
* Returned Value:
* Bit-encoded SPI status (see include/nuttx/spi/spi.h).
*
****************************************************************************/
uint8_t sam_serial_status(struct spi_dev_s *dev, uint32_t devid);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif
#endif
#endif