851 lines
23 KiB
C
851 lines
23 KiB
C
/******************************************************************************
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* drivers/wireless/spirit/lib/spirit_qi.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 met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* 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 PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* 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_qi.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_qi_enable_pqicheck
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*
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* Description:
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* Enables/Disables the PQI Preamble Quality Indicator check. The running
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* peak PQI is compared to a threshold value and the preamble valid IRQ is
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* asserted as soon as the threshold is passed.
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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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* newstate - New state for PQI check.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_enable_pqicheck(FAR struct spirit_library_s *spirit,
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enum spirit_functional_state_e newstate)
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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_SPIRIT_FUNCTIONAL_STATE(newstate));
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/* Reads the QI register value */
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ret = spirit_reg_read(spirit, QI_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Enables or disables the PQI Check bit on the QI_BASE register */
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if (newstate == S_ENABLE)
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{
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regval |= QI_PQI_MASK;
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}
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else
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{
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regval &= ~QI_PQI_MASK;
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}
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/* Write the value on the QI register */
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ret = spirit_reg_write(spirit, QI_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_qi_enable_sqicheck
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*
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* Description:
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* Enables/Disables the Synchronization Quality Indicator check. The
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* running peak SQI is compared to a threshold value and the sync valid
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* IRQ is asserted as soon as the threshold is passed.
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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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* newstate - new state for SQI check.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_enable_sqicheck(FAR struct spirit_library_s *spirit,
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enum spirit_functional_state_e newstate)
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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_SPIRIT_FUNCTIONAL_STATE(newstate));
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/* Reads the QI register value */
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ret = spirit_reg_read(spirit, QI_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Enables or disables the SQI Check bit on the QI_BASE register */
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if (newstate == S_ENABLE)
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{
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regval |= QI_SQI_MASK;
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}
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else
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{
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regval &= ~QI_SQI_MASK;
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}
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/* Write the value to the QI register */
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ret = spirit_reg_write(spirit, QI_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_qi_set_pqithreshold
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*
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* Description:
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* Sets the PQI threshold. The preamble quality threshold is 4*PQI_TH
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* (PQI_TH = 0..15).
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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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* pqithr - Parameter of the formula above.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_set_pqithreshold(FAR struct spirit_library_s *spirit,
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enum spirit_pqi_threshold_e pqithr)
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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_PQI_THR(pqithr));
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/* Reads the QI register value */
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ret = spirit_reg_read(spirit, QI_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Build the PQI threshold value to be written */
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regval &= 0xc3;
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regval |= (uint8_t)pqithr;
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/* Write the value on the QI register */
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ret = spirit_reg_write(spirit, QI_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_qi_get_pqithreshold
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*
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* Description:
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* Returns the PQI threshold. The preamble quality threshold is 4*PQI_TH
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* (PQI_TH = 0..15).
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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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* PQI threshold (PQI_TH of the formula above).
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*
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******************************************************************************/
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enum spirit_pqi_threshold_e
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spirit_qi_get_pqithreshold(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the QI register value */
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spirit_reg_read(spirit, QI_BASE, ®val, 1);
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/* Rebuild and return the PQI threshold value */
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return (enum spirit_pqi_threshold_e)(regval & 0x3c);
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}
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/******************************************************************************
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* Name: spirit_qi_set_sqithreshold
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*
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* Description:
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* Sets the SQI threshold. The synchronization quality threshold is equal to
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* 8 * SYNC_LEN - 2 * SQI_TH with SQI_TH = 0..3. When SQI_TH is 0 perfect
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* match is required; when SQI_TH = 1, 2, 3 then 1, 2, or 3 bit errors are
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* respectively accepted. It is recommended that the SQI check is always
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* enabled.
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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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* sqithr - parameter of the formula above.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_set_sqithreshold(FAR struct spirit_library_s *spirit,
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enum spirit_sqi_threshold_e sqithr)
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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_SQI_THR(sqithr));
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/* Reads the QI register value */
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ret = spirit_reg_read(spirit, QI_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Build the SQI threshold value to be written */
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regval &= 0x3f;
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regval |= (uint8_t)sqithr;
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/* Write the new value to the QI register */
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ret = spirit_reg_write(spirit, QI_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_qi_get_sqithreshold
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*
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* Description:
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* Returns the SQI threshold. The synchronization quality threshold is equal
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* to 8 * SYNC_LEN - 2 * SQI_TH with SQI_TH = 0..3.
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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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* SQI threshold (SQI_TH of the formula above). Errors are not reported.
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*
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******************************************************************************/
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enum spirit_sqi_threshold_e
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spirit_qi_get_sqithreshold(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Read the QI register value */
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spirit_reg_read(spirit, QI_BASE, ®val, 1);
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/* Return the SQI threshold value */
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return (enum spirit_sqi_threshold_e)(regval & 0xc0);
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}
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/******************************************************************************
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* Name: spirit_qi_get_pqi
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*
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* Description:
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* Returns the PQI value.
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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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* PQI value.
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*
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******************************************************************************/
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uint8_t spirit_qi_get_pqi(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the LINK_QUALIF2 register value */
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spirit_reg_read(spirit, LINK_QUALIF2_BASE, ®val, 1);
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/* Returns the PQI value */
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return regval;
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}
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/******************************************************************************
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* Name: spirit_qi_get_sqi
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*
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* Description:
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* Returns the SQI value.
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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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* SQI value.
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*
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******************************************************************************/
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uint8_t spirit_qi_get_sqi(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the register LINK_QUALIF1 value */
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spirit_reg_read(spirit, LINK_QUALIF1_BASE, ®val, 1);
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/* Rebuild and return the SQI value */
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return (regval & 0x7f);
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}
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/******************************************************************************
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* Name: spirit_qi_get_lqi
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*
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* Description:
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* Returns the LQI value.
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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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* LQI value.
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*
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******************************************************************************/
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uint8_t spirit_qi_get_lqi(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the LINK_QUALIF0 register value */
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spirit_reg_read(spirit, LINK_QUALIF0_BASE, ®val, 1);
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/* Rebuild and return the LQI value */
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return ((regval & 0xf0) >> 4);
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}
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/******************************************************************************
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* Name: spirit_qi_get_cs
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*
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* Description:
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* Returns the CS status.
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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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* CS value (S_SET or S_RESET).
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*
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******************************************************************************/
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enum spirit_flag_status_e spirit_qi_get_cs(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the LINK_QUALIF1 register value */
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spirit_reg_read(spirit, LINK_QUALIF1_BASE, ®val, 1);
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/* Rebuild and returns the CS status value */
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if ((regval & 0x80) == 0)
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{
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return S_RESET;
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}
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else
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{
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return S_SET;
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}
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}
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/******************************************************************************
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* Name: spirit_qi_get_rssi
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*
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* Description:
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* Returns the RSSI value. The measured power is reported in steps of half a
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* dB from 0 to 255 and is offset in such a way that -120 dBm corresponds to
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* 20.
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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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* RSSI value.
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*
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******************************************************************************/
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uint8_t spirit_qi_get_rssi(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the RSSI_LEVEL register value */
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spirit_reg_read(spirit, RSSI_LEVEL_BASE, ®val, 1);
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/* Returns the RSSI value */
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return regval;
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}
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/******************************************************************************
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* Name: spirit_qi_set_rssithreshold
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*
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* Description:
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* Sets the RSSI threshold.
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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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* rssithr - RSSI threshold reported in steps of half a dBm with a -130
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* dBm offset.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_set_rssithreshold(FAR struct spirit_library_s *spirit,
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uint8_t rssithr)
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{
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/* Writes the new value on the RSSI_TH register */
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return spirit_reg_write(spirit, RSSI_TH_BASE, &rssithr, 1);
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}
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/******************************************************************************
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* Name: spirit_qi_get_rssithreshold
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*
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* Description:
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* Returns the RSSI threshold.
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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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* RSSI threshold.
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*
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******************************************************************************/
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uint8_t spirit_qi_get_rssithreshold(FAR struct spirit_library_s *spirit)
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{
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uint8_t regval;
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/* Reads the RSSI_TH register value */
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spirit_reg_read(spirit, RSSI_TH_BASE, ®val, 1);
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/* Returns RSSI threshold */
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return regval;
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}
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/******************************************************************************
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* Name: spirit_qi_calc_rssithreshold
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*
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* Description:
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* Computes the RSSI threshold from its dBm value according to the formula:
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* (RSSI[Dbm] + 130)/0.5
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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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* dbmvalue - RSSI threshold reported in dBm.
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*
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* Returned Value:
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* RSSI threshold corresponding to dBm value.
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*
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******************************************************************************/
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uint8_t spirit_qi_calc_rssithreshold(FAR struct spirit_library_s *spirit,
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int dbmvalue)
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{
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/* Check the parameters */
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DEBUGASSERT(IS_RSSI_THR_DBM(dbmvalue));
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/* Computes the RSSI threshold for register */
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return 2 * (dbmvalue + 130);
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}
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/******************************************************************************
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* Name: spirit_qi_set_rssithreshold_dbm
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*
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* Description:
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* Sets the RSSI threshold from its dBm value according to the formula:
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* (RSSI[Dbm] + 130)/0.5.
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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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* dbmvalue - RSSI threshold reported in dBm.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_set_rssithreshold_dbm(FAR struct spirit_library_s *spirit,
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int dbmvalue)
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{
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uint8_t regval = 2 * (dbmvalue + 130);
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/* Check the parameters */
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DEBUGASSERT(IS_RSSI_THR_DBM(dbmvalue));
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/* Writes the new value on the RSSI_TH register */
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return spirit_reg_write(spirit, RSSI_TH_BASE, ®val, 1);
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}
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/******************************************************************************
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* Name: spirit_qi_set_rssifiltergain
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*
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* Description:
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* Sets the RSSI filter gain. This parameter sets the bandwidth of a low
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* pass IIR filter (RSSI_FLT register, allowed values 0..15), a lower values
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* gives a faster settling of the measurements but lower precision. The
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* recommended value for such parameter is 14.
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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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* rssfg - RSSI filter gain value.
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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******************************************************************************/
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int spirit_qi_set_rssifiltergain(FAR struct spirit_library_s *spirit,
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enum spirit_rssi_filtergain_e rssfg)
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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_RSSI_FILTER_GAIN(rssfg));
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/* Reads the RSSI_FLT register */
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ret = spirit_reg_read(spirit, RSSI_FLT_BASE, ®val, 1);
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if (ret >= 0)
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{
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/* Sets the specified filter gain */
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|
|
regval &= 0x0f;
|
|
regval |= ((uint8_t) rssfg);
|
|
|
|
/* Write the new value to the RSSI_FLT register */
|
|
|
|
ret = spirit_reg_write(spirit, RSSI_FLT_BASE, ®val, 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: spirit_qi_get_rssifiltergain
|
|
*
|
|
* Description:
|
|
* Returns the RSSI filter gain.
|
|
*
|
|
* Input Parameters:
|
|
* spirit - Reference to a Spirit library state structure instance
|
|
*
|
|
* Returned Value:
|
|
* RSSI filter gain.
|
|
*
|
|
******************************************************************************/
|
|
|
|
enum spirit_rssi_filtergain_e
|
|
spirit_qi_get_rssifiltergain(FAR struct spirit_library_s *spirit)
|
|
{
|
|
uint8_t regval;
|
|
|
|
/* Reads the RSSI_FLT register */
|
|
|
|
spirit_reg_read(spirit, RSSI_FLT_BASE, ®val, 1);
|
|
|
|
/* Rebuild and returns the filter gain value */
|
|
|
|
return (enum spirit_rssi_filtergain_e)(regval & 0xf0);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: spirit_qi_set_csmode
|
|
*
|
|
* Description:
|
|
* Sets the CS Mode. When static carrier sensing is used (cs_mode = 0), the
|
|
* carrier sense signal is asserted when the measured RSSI is above the
|
|
* value specified in the RSSI_TH register and is deasserted when the RSSI
|
|
* falls 3 dB below the same threshold. When dynamic carrier sense is used
|
|
* (cs_mode = 1, 2, 3), the carrier sense signal is asserted if the signal
|
|
* is above the threshold and a fast power increase of 6, 12 or 18 dB is
|
|
* detected; it is deasserted if a power fall of the same amplitude is
|
|
* detected.
|
|
*
|
|
* Input Parameters:
|
|
* spirit - Reference to a Spirit library state structure instance
|
|
* csmode - CS mode selector.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) on success; a negated errno value on failure.
|
|
*
|
|
******************************************************************************/
|
|
|
|
int spirit_qi_set_csmode(FAR struct spirit_library_s *spirit,
|
|
enum spirit_csmode_e csmode)
|
|
{
|
|
uint8_t regval;
|
|
int ret;
|
|
|
|
/* Check the parameters */
|
|
|
|
DEBUGASSERT(IS_CS_MODE(csmode));
|
|
|
|
/* Reads the RSSI_FLT register */
|
|
|
|
ret = spirit_reg_read(spirit, RSSI_FLT_BASE, ®val, 1);
|
|
if (ret >= 0)
|
|
{
|
|
/* Sets bit to select the CS mode */
|
|
|
|
regval &= ~0x0c;
|
|
regval |= (uint8_t)csmode;
|
|
|
|
/* Writesthe new value to the RSSI_FLT register */
|
|
|
|
ret = spirit_reg_write(spirit, RSSI_FLT_BASE, ®val, 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: spirit_qi_get_csmode
|
|
*
|
|
* Description:
|
|
* Returns the CS Mode.
|
|
*
|
|
* Input Parameters:
|
|
* spirit - Reference to a Spirit library state structure instance
|
|
*
|
|
* Returned Value:
|
|
* CS mode.
|
|
*
|
|
******************************************************************************/
|
|
|
|
enum spirit_csmode_e spirit_qi_get_csmode(FAR struct spirit_library_s *spirit)
|
|
{
|
|
uint8_t regval;
|
|
|
|
/* Reads the RSSI_FLT register */
|
|
|
|
spirit_reg_read(spirit, RSSI_FLT_BASE, ®val, 1);
|
|
|
|
/* Rebuild and returns the CS mode value */
|
|
|
|
return (enum spirit_csmode_e) (regval & 0x0c);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: spirit_qi_enable_cstimeout
|
|
*
|
|
* Description:
|
|
* Enables/Disables the CS Timeout Mask. If enabled CS value contributes to
|
|
* timeout disabling.
|
|
*
|
|
* Input Parameters:
|
|
* spirit - Reference to a Spirit library state structure instance
|
|
* newstate - New state for CS Timeout Mask.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) on success; a negated errno value on failure.
|
|
*
|
|
******************************************************************************/
|
|
|
|
int spirit_qi_enable_cstimeout(FAR struct spirit_library_s *spirit,
|
|
enum spirit_functional_state_e newstate)
|
|
{
|
|
uint8_t regval;
|
|
int ret;
|
|
|
|
/* Check the parameters */
|
|
|
|
DEBUGASSERT(IS_SPIRIT_FUNCTIONAL_STATE(newstate));
|
|
|
|
/* Reads the PROTOCOL2 register value */
|
|
|
|
ret = spirit_reg_read(spirit, PROTOCOL2_BASE, ®val, 1);
|
|
if (ret >= 0)
|
|
{
|
|
/* Enables or disables the CS timeout mask */
|
|
|
|
if (newstate == S_ENABLE)
|
|
{
|
|
regval |= PROTOCOL2_CS_TIMEOUT_MASK;
|
|
}
|
|
else
|
|
{
|
|
regval &= ~PROTOCOL2_CS_TIMEOUT_MASK;
|
|
}
|
|
|
|
/* Write the new value to the PROTOCOL2 register */
|
|
|
|
ret = spirit_reg_write(spirit, PROTOCOL2_BASE, ®val, 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: spirit_qi_enable_pqitimeout
|
|
*
|
|
* Description:
|
|
* Enables/Disables the PQI Timeout Mask. If enabled PQI value contributes
|
|
* to timeout disabling.
|
|
*
|
|
* Input Parameters:
|
|
* spirit - Reference to a Spirit library state structure instance
|
|
* newstate - New state for PQI Timeout Mask.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) on success; a negated errno value on failure.
|
|
*
|
|
******************************************************************************/
|
|
|
|
int spirit_qi_enable_pqitimeout(FAR struct spirit_library_s *spirit,
|
|
enum spirit_functional_state_e newstate)
|
|
{
|
|
uint8_t regval;
|
|
int ret;
|
|
|
|
/* Check the parameters */
|
|
|
|
DEBUGASSERT(IS_SPIRIT_FUNCTIONAL_STATE(newstate));
|
|
|
|
/* Reads the PROTOCOL2 register */
|
|
|
|
ret = spirit_reg_read(spirit, PROTOCOL2_BASE, ®val, 1);
|
|
if (ret >= 0)
|
|
{
|
|
/* Enables or disables the PQI timeout mask */
|
|
|
|
if (newstate == S_ENABLE)
|
|
{
|
|
regval |= PROTOCOL2_PQI_TIMEOUT_MASK;
|
|
}
|
|
else
|
|
{
|
|
regval &= ~PROTOCOL2_PQI_TIMEOUT_MASK;
|
|
}
|
|
|
|
/* Write the new value to the PROTOCOL2 register */
|
|
|
|
ret = spirit_reg_write(spirit, PROTOCOL2_BASE, ®val, 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Name: spirit_qi_enable_sqitimeout
|
|
*
|
|
* Description:
|
|
* Enables/Disables the SQI Timeout Mask. If enabled SQI value contributes
|
|
* to timeout disabling.
|
|
*
|
|
* Input Parameters:
|
|
* spirit - Reference to a Spirit library state structure instance
|
|
* newstate - New state for SQI Timeout Mask.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) on success; a negated errno value on failure.
|
|
*
|
|
******************************************************************************/
|
|
|
|
int spirit_qi_enable_sqitimeout(FAR struct spirit_library_s *spirit,
|
|
enum spirit_functional_state_e newstate)
|
|
{
|
|
uint8_t regval;
|
|
int ret;
|
|
|
|
/* Check the parameters */
|
|
|
|
DEBUGASSERT(IS_SPIRIT_FUNCTIONAL_STATE(newstate));
|
|
|
|
/* Reads the PROTOCOL2 register */
|
|
|
|
ret = spirit_reg_read(spirit, PROTOCOL2_BASE, ®val, 1);
|
|
if (ret >= 0)
|
|
{
|
|
/* Enables or disables the SQI timeout mask */
|
|
|
|
if (newstate == S_ENABLE)
|
|
{
|
|
regval |= PROTOCOL2_SQI_TIMEOUT_MASK;
|
|
}
|
|
else
|
|
{
|
|
regval &= ~PROTOCOL2_SQI_TIMEOUT_MASK;
|
|
}
|
|
|
|
/* Write the new value to the PROTOCOL2 register */
|
|
|
|
ret = spirit_reg_write(spirit, PROTOCOL2_BASE, ®val, 1);
|
|
}
|
|
|
|
return ret;
|
|
}
|