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unleashed-firmware/lib/ST25RFAL002/source/rfal_analogConfig.c
Aleksandr Kutuzov 4c9eb4928d NFC: application + rfal + driver.
2020-10-20 14:12:28 +03:00

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