incubator-nuttx/drivers/wireless/spirit/include/spirit_directrf.h

180 lines
6.8 KiB
C

/******************************************************************************
* drivers/wireless/spirit/include/spirit_directrf.h
*
* Copyright(c) 2015 STMicroelectronics
* Author: VMA division - AMS
* Version 3.2.2 08-July-2015
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
#ifndef __DRIVERS_WIRELESS_SPIRIT_INCLUDE_SPIRIT_DIRECTRF_H
#define __DRIVERS_WIRELESS_SPIRIT_INCLUDE_SPIRIT_DIRECTRF_H
/* This module contains functions to manage the direct Tx/Rx mode.
* The user can choose the way to send data to Spirit through the
* enumerative types DirectTx/DirectRx.
*/
/******************************************************************************
* Included Files
******************************************************************************/
#include "spirit_regs.h"
#include "spirit_types.h"
/******************************************************************************
* Pre-processor Definitions
******************************************************************************/
/* Macros used for range-checking in assertions */
#define IS_DIRECT_TX(mode) \
(((mode) == NORMAL_TX_MODE) || ((mode) == DIRECT_TX_FIFO_MODE) || \
((mode) == DIRECT_TX_GPIO_MODE) || ((mode) == PN9_TX_MODE))
#define IS_DIRECT_RX(mode) \
(((mode) == NORMAL_RX_MODE) || ((mode) == DIRECT_RX_FIFO_MODE) || \
((mode) == DIRECT_RX_GPIO_MODE))
/******************************************************************************
* Public Types
******************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
/* Direct transmission mode enumeration for SPIRIT. */
enum spirit_directtx_e
{
NORMAL_TX_MODE = 0x00, /* Normal mode, no direct transmission is
* used */
DIRECT_TX_FIFO_MODE = 0x04, /* Source is FIFO: payload bits are
* continuously read from the TX FIFO */
DIRECT_TX_GPIO_MODE = 0x08, /* Source is GPIO: payload bits are
* continuously read from one of the GPIO
* ports and transmitted without any
* processing */
PN9_TX_MODE = 0x0c /* A pseudorandom binary sequence is
* generated internally */
};
/* Direct receive mode enumeration for SPIRIT. */
enum spirit_directrx_e
{
NORMAL_RX_MODE = 0x00, /* Normal mode, no direct reception is used */
DIRECT_RX_FIFO_MODE = 0x10, /* Destination is FIFO: payload bits are
* continuously written to the RX FIFO and
* not subjected to any* processing */
DIRECT_RX_GPIO_MODE = 0x20 /* Destination is GPIO: payload bits are
* continuously written to one of the GPIO
* ports and not subjected to any processing */
};
/******************************************************************************
* Public Function Prototypes
******************************************************************************/
/******************************************************************************
* Name: spirit_directrf_set_rxmode
*
* Description:
* Sets the DirectRF RX mode of SPIRIT.
*
* Input Parameters:
* spirit - Reference to a Spirit library state structure instance
* directrx - Code of the desired mode.
*
* Returned Value:
* Zero (OK) on success; A negated errno value is returned on any failure.
*
******************************************************************************/
int spirit_directrf_set_rxmode(FAR struct spirit_library_s *spirit,
enum spirit_directrx_e directrx);
/******************************************************************************
* Name: spirit_directrf_get_rxmode
*
* Description:
* Returns the DirectRF RX mode of SPIRIT.
*
* Input Parameters:
* spirit - Reference to a Spirit library state structure instance
*
* Returned Value:
* Direct Rx mode.
*
******************************************************************************/
enum spirit_directrx_e
spirit_directrf_get_rxmode(FAR struct spirit_library_s *spirit);
/******************************************************************************
* Name: spirit_directrf_set_txmode
*
* Description:
* Sets the TX mode of SPIRIT.
*
* Input Parameters:
* spirit - Reference to a Spirit library state structure instance
* directtx - Code of the desired source.
*
* Returned Value:
* Zero (OK) on success; A negated errno value is returned on any failure.
*
******************************************************************************/
int spirit_directrf_set_txmode(FAR struct spirit_library_s *spirit,
enum spirit_directtx_e directtx);
/******************************************************************************
* Name: spirit_directrf_get_txmode
*
* Description:
* Returns the DirectRF TX mode of SPIRIT.
*
* Input Parameters:
* spirit - Reference to a Spirit library state structure instance
*
* Returned Value:
* Direct Tx mode.
*
******************************************************************************/
enum spirit_directtx_e
spirit_directrf_get_txmode(FAR struct spirit_library_s *spirit);
#ifdef __cplusplus
}
#endif
#endif /* __DRIVERS_WIRELESS_SPIRIT_INCLUDE_SPIRIT_DIRECTRF_H */