189 lines
5.8 KiB
C
189 lines
5.8 KiB
C
/******************************************************************************
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* drivers/wireless/spirit/lib/spirit_directrf.c
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*
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* Copyright(c) 2015 STMicroelectronics
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* Author: VMA division - AMS
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* Version 3.2.2 08-July-2015
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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/******************************************************************************
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* Included Files
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******************************************************************************/
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#include <assert.h>
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#include "spirit_directrf.h"
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#include "spirit_spi.h"
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/******************************************************************************
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* Public Functions
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******************************************************************************/
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/******************************************************************************
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* Name: spirit_directrf_set_rxmode
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*
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* Description:
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* Sets the DirectRF RX mode of SPIRIT.
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*
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* Input Parameters:
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* spirit - Reference to a Spirit library state structure instance
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* directrx - Code of the desired mode.
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*
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* Returned Value:
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* Zero (OK) on success; A negated errno value is returned on any failure.
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*
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******************************************************************************/
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int spirit_directrf_set_rxmode(FAR struct spirit_library_s *spirit,
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enum spirit_directrx_e directrx)
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{
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uint8_t regval;
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int ret;
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/* Check the parameters */
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DEBUGASSERT(IS_DIRECT_RX(directrx));
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/* Reads the register value */
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ret = spirit_reg_read(spirit, PCKTCTRL3_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Build the value to be stored */
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regval &= ~PCKTCTRL3_RX_MODE_MASK;
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regval |= (uint8_t)directrx;
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/* Write value to register */
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ret = spirit_reg_write(spirit, PCKTCTRL3_BASE, ®val, 1);
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}
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return ret;
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}
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/******************************************************************************
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* Name: spirit_directrf_get_rxmode
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*
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* Description:
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* Returns the DirectRF RX mode of SPIRIT.
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*
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* Input Parameters:
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* spirit - Reference to a Spirit library state structure instance
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*
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* Returned Value:
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* Direct Rx mode.
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*
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******************************************************************************/
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enum spirit_directrx_e
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spirit_directrf_get_rxmode(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the register value and mask the RX_Mode field */
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spirit_reg_read(spirit, PCKTCTRL3_BASE, ®val, 1);
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/* Rebuild and return value */
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return (enum spirit_directrx_e)(regval & 0x30);
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}
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/******************************************************************************
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* Name: spirit_directrf_set_txmode
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*
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* Description:
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* Sets the TX mode of SPIRIT.
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*
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* Input Parameters:
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* spirit - Reference to a Spirit library state structure instance
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* directtx - Code of the desired source.
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*
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* Returned Value:
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* Zero (OK) on success; A negated errno value is returned on any failure.
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*
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******************************************************************************/
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int spirit_directrf_set_txmode(FAR struct spirit_library_s *spirit,
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enum spirit_directtx_e directtx)
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{
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uint8_t regval;
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int ret;
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/* Check the parameters */
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DEBUGASSERT(IS_DIRECT_TX(directtx));
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/* Reads the register value */
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ret = spirit_reg_read(spirit, PCKTCTRL1_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Build the value to be stored */
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regval &= ~PCKTCTRL1_TX_SOURCE_MASK;
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regval |= (uint8_t) directtx;
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/* Write value to register */
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ret = spirit_reg_write(spirit, PCKTCTRL1_BASE, ®val, 1);
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}
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return ret;
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}
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/******************************************************************************
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* Name: spirit_directrf_get_txmode
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*
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* Description:
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* Returns the DirectRF TX mode of SPIRIT.
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*
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* Input Parameters:
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* spirit - Reference to a Spirit library state structure instance
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*
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* Returned Value:
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* Direct Tx mode.
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*
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******************************************************************************/
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enum spirit_directtx_e
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spirit_directrf_get_txmode(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the register value and mask the RX_Mode field */
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spirit_reg_read(spirit, PCKTCTRL1_BASE, ®val, 1);
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/* Returns value */
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return (enum spirit_directtx_e)(regval & 0x0c);
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}
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