480 lines
17 KiB
C
Executable File
480 lines
17 KiB
C
Executable File
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/******************************************************************************
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* \attention
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*
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* <h2><center>© COPYRIGHT 2020 STMicroelectronics</center></h2>
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*
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* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* www.st.com/myliberty
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
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* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/*
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* PROJECT: ST25R391x firmware
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* Revision:
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* LANGUAGE: ISO C99
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*/
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/*! \file rfal_analogConfig.c
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*
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* \author bkam
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*
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* \brief Funcitons to manage and set analog settings.
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*
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*/
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/*
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******************************************************************************
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* INCLUDES
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******************************************************************************
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*/
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#include "rfal_analogConfig.h"
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#include "rfal_chip.h"
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#include "st_errno.h"
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#include "platform.h"
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#include "utils.h"
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/* Check whether the Default Analog settings are to be used or custom ones */
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#ifdef RFAL_ANALOG_CONFIG_CUSTOM
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extern const uint8_t* rfalAnalogConfigCustomSettings;
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extern const uint16_t rfalAnalogConfigCustomSettingsLength;
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#else
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#include "rfal_analogConfigTbl.h"
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#endif
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/*
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******************************************************************************
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* DEFINES
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******************************************************************************
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*/
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#define RFAL_TEST_REG 0x0080U /*!< Test Register indicator */
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/*
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******************************************************************************
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* MACROS
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******************************************************************************
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*/
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/*
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******************************************************************************
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* LOCAL DATA TYPES
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******************************************************************************
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*/
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#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG
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static uint8_t gRfalAnalogConfig[RFAL_ANALOG_CONFIG_TBL_SIZE]; /*!< Analog Configuration Settings List */
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#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */
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/*! Struct for Analog Config Look Up Table Update */
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typedef struct {
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const uint8_t *currentAnalogConfigTbl; /*!< Reference to start of current Analog Configuration */
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uint16_t configTblSize; /*!< Total size of Analog Configuration */
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bool ready; /*!< Indicate if Look Up Table is complete and ready for use */
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} rfalAnalogConfigMgmt;
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static rfalAnalogConfigMgmt gRfalAnalogConfigMgmt; /*!< Analog Configuration LUT management */
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/*
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******************************************************************************
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* LOCAL TABLES
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******************************************************************************
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*/
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/*
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******************************************************************************
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* LOCAL FUNCTION PROTOTYPES
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******************************************************************************
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*/
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static rfalAnalogConfigNum rfalAnalogConfigSearch( rfalAnalogConfigId configId, uint16_t *configOffset );
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#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG
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static void rfalAnalogConfigPtrUpdate( const uint8_t* analogConfigTbl );
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#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */
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/*
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******************************************************************************
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* GLOBAL VARIABLE DEFINITIONS
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******************************************************************************
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*/
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/*
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******************************************************************************
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* GLOBAL FUNCTIONS
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******************************************************************************
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*/
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void rfalAnalogConfigInitialize( void )
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{
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/* Use default Analog configuration settings in Flash by default. */
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/* Check whether the Default Analog settings are to be used or custom ones */
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#ifdef RFAL_ANALOG_CONFIG_CUSTOM
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gRfalAnalogConfigMgmt.currentAnalogConfigTbl = (const uint8_t *)&rfalAnalogConfigCustomSettings;
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gRfalAnalogConfigMgmt.configTblSize = rfalAnalogConfigCustomSettingsLength;
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#else
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gRfalAnalogConfigMgmt.currentAnalogConfigTbl = (const uint8_t *)&rfalAnalogConfigDefaultSettings;
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gRfalAnalogConfigMgmt.configTblSize = sizeof(rfalAnalogConfigDefaultSettings);
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#endif
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gRfalAnalogConfigMgmt.ready = true;
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} /* rfalAnalogConfigInitialize() */
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bool rfalAnalogConfigIsReady( void )
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{
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return gRfalAnalogConfigMgmt.ready;
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}
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ReturnCode rfalAnalogConfigListWriteRaw( const uint8_t *configTbl, uint16_t configTblSize )
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{
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#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG
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/* Check if the Configuration Table exceed the Table size */
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if ( configTblSize >= RFAL_ANALOG_CONFIG_TBL_SIZE )
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{
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rfalAnalogConfigInitialize(); /* Revert to default Analog Configuration */
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return ERR_NOMEM;
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}
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/* Check for invalid parameters */
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if( (configTbl == NULL) || (configTblSize == 0U) )
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{
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return ERR_PARAM;
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}
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/* NOTE: Function does not check for the validity of the Table contents (conf IDs, conf sets, register address) */
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ST_MEMCPY( gRfalAnalogConfig, configTbl, configTblSize );
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/* Update the total size of configuration settings */
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gRfalAnalogConfigMgmt.configTblSize = configTblSize;
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rfalAnalogConfigPtrUpdate(gRfalAnalogConfig);
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return ERR_NONE;
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#else
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// If Analog Configuration Update is to be disabled
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NO_WARNING(configTbl);
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NO_WARNING(configTblSize);
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return ERR_REQUEST;
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#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */
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}
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ReturnCode rfalAnalogConfigListWrite( uint8_t more, const rfalAnalogConfig *config )
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{
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#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG
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rfalAnalogConfigId configId;
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rfalAnalogConfigNum numConfig;
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uint8_t configSize;
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if (true == gRfalAnalogConfigMgmt.ready)
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{ /* First Update to the Configuration list. */
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gRfalAnalogConfigMgmt.ready = false; // invalidate the config List
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gRfalAnalogConfigMgmt.configTblSize = 0; // Clear the config List
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}
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configId = GETU16(config->id);
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/* Check validity of the Configuration ID. */
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if ( (RFAL_ANALOG_CONFIG_TECH_RFU <= RFAL_ANALOG_CONFIG_ID_GET_TECH(configId))
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||((RFAL_ANALOG_CONFIG_BITRATE_6780 < RFAL_ANALOG_CONFIG_ID_GET_BITRATE(configId)) && (RFAL_ANALOG_CONFIG_BITRATE_1OF4 > RFAL_ANALOG_CONFIG_ID_GET_BITRATE(configId)))
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||(RFAL_ANALOG_CONFIG_BITRATE_1OF256 < RFAL_ANALOG_CONFIG_ID_GET_BITRATE(configId))
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)
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{
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rfalAnalogConfigInitialize(); /* Revert to default Analog Configuration */
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return ERR_PARAM;
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}
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numConfig = config->num;
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configSize = (uint8_t)(sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum) + (numConfig * sizeof(rfalAnalogConfigRegAddrMaskVal)));
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/* Check if the Configuration Set exceed the Table size. */
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if ( RFAL_ANALOG_CONFIG_TBL_SIZE <= (gRfalAnalogConfigMgmt.configTblSize + configSize) )
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{
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rfalAnalogConfigInitialize(); /* Revert to default Analog Configuration */
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return ERR_NOMEM;
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}
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/* NOTE: Function does not check for the validity of the Register Address. */
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ST_MEMCPY(&gRfalAnalogConfig[gRfalAnalogConfigMgmt.configTblSize], (const uint8_t*)config, configSize);
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/* Increment the total size of configuration settings. */
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gRfalAnalogConfigMgmt.configTblSize += configSize;
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/* Check if it is the last Analog Configuration to load. */
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if (RFAL_ANALOG_CONFIG_UPDATE_LAST == more)
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{ /* Update the Analog Configuration to the new settings. */
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rfalAnalogConfigPtrUpdate(gRfalAnalogConfig);
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}
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return ERR_NONE;
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#else
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// If Analog Configuration Update is to be disabled
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NO_WARNING(config);
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NO_WARNING(more);
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return ERR_DISABLED;
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#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */
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} /* rfalAnalogConfigListUpdate() */
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ReturnCode rfalAnalogConfigListReadRaw( uint8_t *tblBuf, uint16_t tblBufLen, uint16_t *configTblSize )
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{
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/* Check if the the current table will fit into the given buffer */
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if( tblBufLen < gRfalAnalogConfigMgmt.configTblSize )
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{
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return ERR_NOMEM;
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}
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/* Check for invalid parameters */
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if( configTblSize == NULL )
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{
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return ERR_PARAM;
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}
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/* Copy the whole Table to the given buffer */
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if( gRfalAnalogConfigMgmt.configTblSize > 0U ) /* MISRA 21.18 */
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{
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ST_MEMCPY( tblBuf, gRfalAnalogConfigMgmt.currentAnalogConfigTbl, gRfalAnalogConfigMgmt.configTblSize );
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}
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*configTblSize = gRfalAnalogConfigMgmt.configTblSize;
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return ERR_NONE;
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}
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ReturnCode rfalAnalogConfigListRead( rfalAnalogConfigOffset *configOffset, uint8_t *more, rfalAnalogConfig *config, rfalAnalogConfigNum numConfig )
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{
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uint16_t configSize;
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rfalAnalogConfigOffset offset = *configOffset;
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rfalAnalogConfigNum numConfigSet;
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/* Check if the number of register-mask-value settings for the respective Configuration ID will fit into the buffer passed in. */
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if (gRfalAnalogConfigMgmt.currentAnalogConfigTbl[offset + sizeof(rfalAnalogConfigId)] > numConfig)
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{
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return ERR_NOMEM;
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}
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/* Get the number of Configuration set */
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numConfigSet = gRfalAnalogConfigMgmt.currentAnalogConfigTbl[offset + sizeof(rfalAnalogConfigId)];
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/* Pass Configuration Register-Mask-Value sets */
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configSize = (sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum) + (uint16_t)(numConfigSet * sizeof(rfalAnalogConfigRegAddrMaskVal)));
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ST_MEMCPY( (uint8_t*) config
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, &gRfalAnalogConfigMgmt.currentAnalogConfigTbl[offset]
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, configSize
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);
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*configOffset = offset + configSize;
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/* Check if it is the last Analog Configuration in the Table.*/
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*more = (uint8_t)((*configOffset >= gRfalAnalogConfigMgmt.configTblSize) ? RFAL_ANALOG_CONFIG_UPDATE_LAST
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: RFAL_ANALOG_CONFIG_UPDATE_MORE);
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return ERR_NONE;
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} /* rfalAnalogConfigListRead() */
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ReturnCode rfalSetAnalogConfig( rfalAnalogConfigId configId )
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{
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rfalAnalogConfigOffset configOffset = 0;
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rfalAnalogConfigNum numConfigSet;
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const rfalAnalogConfigRegAddrMaskVal *configTbl;
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ReturnCode retCode = ERR_NONE;
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rfalAnalogConfigNum i;
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if (true != gRfalAnalogConfigMgmt.ready)
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{
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return ERR_REQUEST;
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}
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/* Search LUT for the specific Configuration ID. */
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while(true)
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{
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numConfigSet = rfalAnalogConfigSearch(configId, &configOffset);
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if( RFAL_ANALOG_CONFIG_LUT_NOT_FOUND == numConfigSet )
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{
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break;
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}
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configTbl = (rfalAnalogConfigRegAddrMaskVal *)( (uint32_t)gRfalAnalogConfigMgmt.currentAnalogConfigTbl + (uint32_t)configOffset);
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/* Increment the offset to the next index to search from. */
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configOffset += (uint16_t)(numConfigSet * sizeof(rfalAnalogConfigRegAddrMaskVal));
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if ((gRfalAnalogConfigMgmt.configTblSize + 1U) < configOffset)
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{ /* Error check make sure that the we do not access outside the configuration Table Size */
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return ERR_NOMEM;
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}
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for ( i = 0; i < numConfigSet; i++)
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{
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if( (GETU16(configTbl[i].addr) & RFAL_TEST_REG) != 0U )
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{
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EXIT_ON_ERR(retCode, rfalChipChangeTestRegBits( (GETU16(configTbl[i].addr) & ~RFAL_TEST_REG), configTbl[i].mask, configTbl[i].val) );
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}
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else
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{
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EXIT_ON_ERR(retCode, rfalChipChangeRegBits( GETU16(configTbl[i].addr), configTbl[i].mask, configTbl[i].val) );
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}
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}
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} /* while(found Analog Config Id) */
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return retCode;
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} /* rfalSetAnalogConfig() */
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uint16_t rfalAnalogConfigGenModeID( rfalMode md, rfalBitRate br, uint16_t dir )
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{
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uint16_t id;
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/* Assign Poll/Listen Mode */
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id = ((md >= RFAL_MODE_LISTEN_NFCA) ? RFAL_ANALOG_CONFIG_LISTEN : RFAL_ANALOG_CONFIG_POLL);
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/* Assign Technology */
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switch( md )
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{
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case RFAL_MODE_POLL_NFCA:
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case RFAL_MODE_POLL_NFCA_T1T:
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case RFAL_MODE_LISTEN_NFCA:
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id |= RFAL_ANALOG_CONFIG_TECH_NFCA;
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break;
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case RFAL_MODE_POLL_NFCB:
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case RFAL_MODE_POLL_B_PRIME:
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case RFAL_MODE_POLL_B_CTS:
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case RFAL_MODE_LISTEN_NFCB:
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id |= RFAL_ANALOG_CONFIG_TECH_NFCB;
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break;
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case RFAL_MODE_POLL_NFCF:
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case RFAL_MODE_LISTEN_NFCF:
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id |= RFAL_ANALOG_CONFIG_TECH_NFCF;
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break;
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case RFAL_MODE_POLL_NFCV:
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case RFAL_MODE_POLL_PICOPASS:
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id |= RFAL_ANALOG_CONFIG_TECH_NFCV;
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break;
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case RFAL_MODE_POLL_ACTIVE_P2P:
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case RFAL_MODE_LISTEN_ACTIVE_P2P:
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id |= RFAL_ANALOG_CONFIG_TECH_AP2P;
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break;
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default:
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id = RFAL_ANALOG_CONFIG_TECH_CHIP;
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break;
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}
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/* Assign Bitrate */
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id |= (((((uint16_t)(br) >= (uint16_t)RFAL_BR_52p97) ? (uint16_t)(br) : ((uint16_t)(br)+1U)) << RFAL_ANALOG_CONFIG_BITRATE_SHIFT) & RFAL_ANALOG_CONFIG_BITRATE_MASK);
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/* Assign Direction */
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id |= ((dir<<RFAL_ANALOG_CONFIG_DIRECTION_SHIFT) & RFAL_ANALOG_CONFIG_DIRECTION_MASK);
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return id;
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} /* rfalAnalogConfigGenModeID() */
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/*
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******************************************************************************
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* LOCAL FUNCTIONS
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******************************************************************************
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*/
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/*!
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*****************************************************************************
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* \brief Update the link to Analog Configuration LUT
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*
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* Update the link to the Analog Configuration LUT for the subsequent search
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* of Analog Settings.
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*
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* \param[in] analogConfigTbl: reference to the start of the new Analog Configuration Table
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*
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*****************************************************************************
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*/
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#if RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG
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static void rfalAnalogConfigPtrUpdate( const uint8_t* analogConfigTbl )
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{
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gRfalAnalogConfigMgmt.currentAnalogConfigTbl = analogConfigTbl;
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gRfalAnalogConfigMgmt.ready = true;
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} /* rfalAnalogConfigPtrUpdate() */
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#endif /* RFAL_FEATURE_DYNAMIC_ANALOG_CONFIG */
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/*!
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*****************************************************************************
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* \brief Search the Analog Configuration LUT for a specific Configuration ID.
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*
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* Search the Analog Configuration LUT for the Configuration ID.
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*
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* \param[in] configId: Configuration ID to search for.
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* \param[in] configOffset: Configuration Offset in Table
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*
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* \return number of Configuration Sets
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* \return #RFAL_ANALOG_CONFIG_LUT_NOT_FOUND in case Configuration ID is not found.
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*****************************************************************************
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*/
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static rfalAnalogConfigNum rfalAnalogConfigSearch( rfalAnalogConfigId configId, uint16_t *configOffset )
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{
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rfalAnalogConfigId foundConfigId;
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rfalAnalogConfigId configIdMaskVal;
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const uint8_t *configTbl;
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const uint8_t *currentConfigTbl;
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uint16_t i;
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currentConfigTbl = gRfalAnalogConfigMgmt.currentAnalogConfigTbl;
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configIdMaskVal = ((RFAL_ANALOG_CONFIG_POLL_LISTEN_MODE_MASK | RFAL_ANALOG_CONFIG_BITRATE_MASK)
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|((RFAL_ANALOG_CONFIG_TECH_CHIP == RFAL_ANALOG_CONFIG_ID_GET_TECH(configId)) ? (RFAL_ANALOG_CONFIG_TECH_MASK | RFAL_ANALOG_CONFIG_CHIP_SPECIFIC_MASK) : configId)
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|((RFAL_ANALOG_CONFIG_NO_DIRECTION == RFAL_ANALOG_CONFIG_ID_GET_DIRECTION(configId)) ? RFAL_ANALOG_CONFIG_DIRECTION_MASK : configId)
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);
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/* When specific ConfigIDs are to be used, override search mask */
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if( (RFAL_ANALOG_CONFIG_ID_GET_DIRECTION(configId) == RFAL_ANALOG_CONFIG_DPO) )
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{
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configIdMaskVal = (RFAL_ANALOG_CONFIG_POLL_LISTEN_MODE_MASK | RFAL_ANALOG_CONFIG_TECH_MASK | RFAL_ANALOG_CONFIG_BITRATE_MASK | RFAL_ANALOG_CONFIG_DIRECTION_MASK);
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}
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i = *configOffset;
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while (i < gRfalAnalogConfigMgmt.configTblSize)
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{
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configTbl = ¤tConfigTbl[i];
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foundConfigId = GETU16(configTbl);
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if (configId == (foundConfigId & configIdMaskVal))
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{
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*configOffset = (uint16_t)(i + sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum));
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return configTbl[sizeof(rfalAnalogConfigId)];
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}
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/* If Config Id does not match, increment to next Configuration Id */
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i += (uint16_t)( sizeof(rfalAnalogConfigId) + sizeof(rfalAnalogConfigNum)
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+ (configTbl[sizeof(rfalAnalogConfigId)] * sizeof(rfalAnalogConfigRegAddrMaskVal) )
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);
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} /* for */
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return RFAL_ANALOG_CONFIG_LUT_NOT_FOUND;
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} /* rfalAnalogConfigSearch() */
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