ST25DV library for the STMicroelectronics X-NUCLEO-NFC04A1
Diff: st25dv.cpp
- Revision:
- 0:bea5dbf3f7d5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/st25dv.cpp Thu Nov 14 10:36:30 2019 +0000 @@ -0,0 +1,2403 @@ +/** + ****************************************************************************** + * @file st25dv.c + * @author MMY Application Team + * @version $Revision: 3308 $ + * @date $Date: 2017-01-13 11:19:33 +0100 (Fri, 13 Jan 2017) $ + * @brief This file provides set of driver functions to manage communication + * between BSP and ST25DV chip. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2016 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: + * + * http://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. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "st25dv.h" + +#include "x_nucleo_nfc04.h" + + + + +/** @addtogroup BSP + * @{ + */ + +/** @defgroup ST25DV ST25DV driver + * @brief This module implements the functions to drive the ST25DV NFC dynamic tag. + * @details As recommended by the STM32 Cube methodology, this driver provides a standard structure to expose the NFC tag standard API.\n + * It also provides an extended API through its extended driver structure.\n + * To be usable on any MCU, this driver calls several IOBus functions. + * The IOBus functions are implemented outside this driver, and are in charge of accessing the MCU peripherals used for the communication with the tag. + * @{ + */ + +/* External variables --------------------------------------------------------*/ +/* Private typedef -----------------------------------------------------------*/ +/* Private defines -----------------------------------------------------------*/ +/** @brief This component driver only supports 1 instance of the component */ +#define ST25DV_MAX_INSTANCE 1 + + +/* Private macros ------------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +NFCTAG_StatusTypeDef ST25DV_i2c_Init( I2C * mi2cChannel, DigitalOut* mLPD ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadID( uint8_t * const pICRef, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadICRev( uint8_t * const pICRev, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_IsDeviceReady( const uint32_t Trials, I2C * mi2cChannel); +NFCTAG_StatusTypeDef ST25DV_i2c_GetGPOStatus( uint16_t * const pGPOStatus, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ConfigureGPO( const uint16_t ITConf, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadITPulse( ST25DV_PULSE_DURATION * const pITtime, I2C * mi2cChannel); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteITPulse( const ST25DV_PULSE_DURATION ITtime, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadData( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteData( const uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadDataCurrentAddr( uint8_t * const pData, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRegister( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte , I2C * mi2cChannel); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRegister( const uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadUID( ST25DV_UID * const pUid, I2C * mi2cChannel); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadDSFID( uint8_t * const pDsfid, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadDsfidRFProtection( ST25DV_LOCK_STATUS * const pLockDsfid, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadAFI( uint8_t * const pAfi, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadAfiRFProtection( ST25DV_LOCK_STATUS * const pLockAfi, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadI2CProtectZone( ST25DV_I2C_PROT_ZONE * const pProtZone, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteI2CProtectZonex( const ST25DV_PROTECTION_ZONE Zone, const ST25DV_PROTECTION_CONF ReadWriteProtection, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadLockCCFile( ST25DV_LOCK_CCFILE * const pLockCCFile, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteLockCCFile( const ST25DV_CCFILE_BLOCK NbBlockCCFile, const ST25DV_LOCK_STATUS LockCCFile, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadLockCFG( ST25DV_LOCK_STATUS * const pLockCfg, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteLockCFG( const ST25DV_LOCK_STATUS LockCfg, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_PresentI2CPassword( const ST25DV_PASSWD PassWord, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteI2CPassword( const ST25DV_PASSWD PassWord, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRFZxSS( const ST25DV_PROTECTION_ZONE Zone, ST25DV_RF_PROT_ZONE * const pRfprotZone, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRFZxSS( const ST25DV_PROTECTION_ZONE Zone, const ST25DV_RF_PROT_ZONE RfProtZone , I2C * mi2cChannel); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadEndZonex( const ST25DV_END_ZONE EndZone, uint8_t * const pEndZ, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteEndZonex( const ST25DV_END_ZONE EndZone, const uint8_t EndZ, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_InitEndZone( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_CreateUserZone( uint16_t Zone1Length, uint16_t Zone2Length, uint16_t Zone3Length, uint16_t Zone4Length, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMemSize( ST25DV_MEM_SIZE * const pSizeInfo, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadEHMode( ST25DV_EH_MODE_STATUS * const pEH_mode, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteEHMode( const ST25DV_EH_MODE_STATUS EH_mode, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRFMngt( ST25DV_RF_MNGT * const pRF_Mngt, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRFMngt( const uint8_t Rfmngt, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFDisable( ST25DV_EN_STATUS * const pRFDisable, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFDisable( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFDisable( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFSleep( ST25DV_EN_STATUS * const pRFSleep, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFSleep( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFSleep( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBMode( ST25DV_EN_STATUS * const pMB_mode, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMBMode( const ST25DV_EN_STATUS MB_mode, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBWDG( uint8_t * const pWdgDela, I2C * mi2cChannely ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMBWDG( const uint8_t WdgDelay, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMailboxData( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMailboxData( const uint8_t * const pData, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMailboxRegister( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMailboxRegister( const uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadI2CSecuritySession_Dyn( ST25DV_I2CSSO_STATUS * const pSession, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadITSTStatus_Dyn( uint8_t * const pITStatus, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadGPO_Dyn( uint8_t *GPOConfig, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetGPO_en_Dyn( ST25DV_EN_STATUS * const pGPO_en, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_SetGPO_en_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetGPO_en_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadEHCtrl_Dyn( ST25DV_EH_CTRL * const pEH_CTRL, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetEHENMode_Dyn( ST25DV_EN_STATUS * const pEH_Val, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_SetEHENMode_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetEHENMode_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetEHON_Dyn( ST25DV_EN_STATUS * const pEHON, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFField_Dyn( ST25DV_FIELD_STATUS * const pRF_Field, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetVCC_Dyn( ST25DV_VCC_STATUS * const pVCC, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRFMngt_Dyn( ST25DV_RF_MNGT * const pRF_Mngt, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRFMngt_Dyn( const uint8_t RF_Mngt, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFDisable_Dyn( ST25DV_EN_STATUS * const pRFDisable, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFDisable_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFDisable_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFSleep_Dyn( ST25DV_EN_STATUS * const pRFSleep, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFSleep_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFSleep_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBCtrl_Dyn( ST25DV_MB_CTRL_DYN_STATUS * const pCtrlStatus, I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_GetMBEN_Dyn( ST25DV_EN_STATUS * const pMBEN, I2C * mi2cChannel); +NFCTAG_StatusTypeDef ST25DV_i2c_SetMBEN_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ResetMBEN_Dyn( I2C * mi2cChannel ); +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBLength_Dyn( uint8_t * const pMBLength, I2C * mi2cChannel ); + +/* Global variables ---------------------------------------------------------*/ +/** + * @brief Standard NFC tag driver API for the ST25DV. + * @details Provides a generic way to access the ST25DV implementation of the NFC tag standard driver functions. + */ +NFCTAG_DrvTypeDef St25Dv_i2c_Drv = +{ + ST25DV_i2c_Init, + ST25DV_i2c_ReadID, + ST25DV_i2c_IsDeviceReady, + ST25DV_i2c_GetGPOStatus, + ST25DV_i2c_ConfigureGPO, + ST25DV_i2c_ReadData, + ST25DV_i2c_WriteData, + ST25DV_i2c_ReadRegister, + ST25DV_i2c_WriteRegister, + NULL +}; + +/** + * @brief Extended NFC tag driver API for the ST25DV. + * @details Provides a generic way to access the ST25DV extended driver functions. + */ +NFCTAG_ExtDrvTypeDef St25Dv_i2c_ExtDrv = +{ + ST25DV_i2c_ReadICRev, + ST25DV_i2c_WriteITPulse, + ST25DV_i2c_ReadITPulse, + ST25DV_i2c_ReadDataCurrentAddr, + ST25DV_i2c_ReadUID, + ST25DV_i2c_ReadDSFID, + ST25DV_i2c_ReadDsfidRFProtection, + ST25DV_i2c_ReadAFI, + ST25DV_i2c_ReadAfiRFProtection, + ST25DV_i2c_ReadI2CProtectZone, + ST25DV_i2c_WriteI2CProtectZonex, + ST25DV_i2c_ReadLockCCFile, + ST25DV_i2c_WriteLockCCFile, + ST25DV_i2c_ReadLockCFG, + ST25DV_i2c_WriteLockCFG, + ST25DV_i2c_PresentI2CPassword, + ST25DV_i2c_WriteI2CPassword, + ST25DV_i2c_ReadRFZxSS, + ST25DV_i2c_WriteRFZxSS, + ST25DV_i2c_ReadEndZonex, + ST25DV_i2c_WriteEndZonex, + ST25DV_i2c_InitEndZone, + ST25DV_i2c_CreateUserZone, + ST25DV_i2c_ReadMemSize, + ST25DV_i2c_ReadEHMode, + ST25DV_i2c_WriteEHMode, + ST25DV_i2c_ReadRFMngt, + ST25DV_i2c_WriteRFMngt, + ST25DV_i2c_GetRFDisable, + ST25DV_i2c_SetRFDisable, + ST25DV_i2c_ResetRFDisable, + ST25DV_i2c_GetRFSleep, + ST25DV_i2c_SetRFSleep, + ST25DV_i2c_ResetRFSleep, + ST25DV_i2c_ReadMBMode, + ST25DV_i2c_WriteMBMode, + ST25DV_i2c_ReadMBWDG, + ST25DV_i2c_WriteMBWDG, + ST25DV_i2c_ReadMailboxData, + ST25DV_i2c_WriteMailboxData, + ST25DV_i2c_ReadMailboxRegister, + ST25DV_i2c_WriteMailboxRegister, + ST25DV_i2c_ReadI2CSecuritySession_Dyn, + ST25DV_i2c_ReadITSTStatus_Dyn, + ST25DV_i2c_ReadGPO_Dyn, + ST25DV_i2c_GetGPO_en_Dyn, + ST25DV_i2c_SetGPO_en_Dyn, + ST25DV_i2c_ResetGPO_en_Dyn, + ST25DV_i2c_ReadEHCtrl_Dyn, + ST25DV_i2c_GetEHENMode_Dyn, + ST25DV_i2c_SetEHENMode_Dyn, + ST25DV_i2c_ResetEHENMode_Dyn, + ST25DV_i2c_GetEHON_Dyn, + ST25DV_i2c_GetRFField_Dyn, + ST25DV_i2c_GetVCC_Dyn, + ST25DV_i2c_ReadRFMngt_Dyn, + ST25DV_i2c_WriteRFMngt_Dyn, + ST25DV_i2c_GetRFDisable_Dyn, + ST25DV_i2c_SetRFDisable_Dyn, + ST25DV_i2c_ResetRFDisable_Dyn, + ST25DV_i2c_GetRFSleep_Dyn, + ST25DV_i2c_SetRFSleep_Dyn, + ST25DV_i2c_ResetRFSleep_Dyn, + ST25DV_i2c_ReadMBCtrl_Dyn, + ST25DV_i2c_GetMBEN_Dyn, + ST25DV_i2c_SetMBEN_Dyn, + ST25DV_i2c_ResetMBEN_Dyn, + ST25DV_i2c_ReadMBLength_Dyn +}; + + +/** @brief ST25DV instances by address. */ +uint8_t aSt25Dv[ST25DV_MAX_INSTANCE] = {0}; + + +/* Public functions ---------------------------------------------------------*/ +/** + * @brief ST25DV nfctag Initialization. + * @param mi2cChannel : I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_Init( I2C* mi2cChannel, DigitalOut * mLPD ) +{ + /* Configure the low level interface */ + return ST25DV_IO_Init( mi2cChannel, mLPD ); +} + +/** + * @brief Reads the ST25DV ID. + * @param pICRef Pointeron a uint8_t used to return the ST25DV ID. + * @param mi2cChannel : I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadID( uint8_t * const pICRef, I2C * mi2cChannel ) +{ + /* Read ICRef on device */ + return ST25DV_i2c_ReadRegister( pICRef, ST25DV_ICREF_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the ST25DV IC Revision. + * @param pICRev Pointer on the uint8_t used to return the ST25DV IC Revision number. + * @param mi2cChannel : I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadICRev( uint8_t * const pICRev, I2C * mi2cChannel ) +{ + /* Read ICRev on device */ + return ST25DV_i2c_ReadRegister( pICRev, ST25DV_ICREV_REG, 1, mi2cChannel ); +} + +/** + * @brief Checks the ST25DV availability. + * @details The ST25DV I2C is NACKed when a RF communication is on-going. + * This function determines if the ST25DV is ready to answer an I2C request. + * @param Trials Max number of tentative. + * @param mi2cChannel : I2C channel + * @retval NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_IsDeviceReady( const uint32_t Trials, I2C * mi2cChannel) +{ + /* Test communication with device */ + return ST25DV_IO_IsDeviceReady( ST25DV_ADDR_DATA_I2C, Trials, mi2cChannel); +} + +/** + * @brief Reads the ST25DV GPO configuration. + * @param pGPOStatus Pointer on a uint16_t used to return the current GPO consiguration, as: + * - RFUSERSTATE = 0x01 + * - RFBUSY = 0x02 + * - RFINTERRUPT = 0x04 + * - FIELDFALLING = 0x08 + * - FIELDRISING = 0x10 + * - RFPUTMSG = 0x20 + * - RFGETMSG = 0x40 + * - RFWRITE = 0x80 + * @param mi2cChannel : I2C channel + * @retval NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetGPOStatus( uint16_t * const pGPOStatus, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read value of GPO register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_GPO_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + return status; + + /* Extract GPO configuration */ + *pGPOStatus = (uint16_t)reg_value; + + return NFCTAG_OK; +} + +/** + * @brief Configures the ST25DV GPO. + * @details Needs the I2C Password presentation to be effective. + * @param ITConf Provides the GPO configuration to apply: + * - RFUSERSTATE = 0x01 + * - RFBUSY = 0x02 + * - RFINTERRUPT = 0x04 + * - FIELDFALLING = 0x08 + * - FIELDRISING = 0x10 + * - RFPUTMSG = 0x20 + * - RFGETMSG = 0x40 + * - RFWRITE = 0x80 + * + * @param mi2cChannel : I2C channel + * + * @retval NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ConfigureGPO( const uint16_t ITConf, I2C * mi2cChannel ) +{ + /* Write GPO configuration to register */ + return ST25DV_i2c_WriteRegister( (uint8_t *)&ITConf, ST25DV_GPO_REG, 1, mi2cChannel ); +} + + +/** + * @brief Reads the ST25DV ITtime duration for the GPO pulses. + * @param pITtime Pointer used to return the coefficient for the GPO Pulse duration (Pulse duration = 302,06 us - ITtime * 512 / fc). + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadITPulse( ST25DV_PULSE_DURATION * const pITtime, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read ITtime register value */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_ITTIME_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract delay coefficient value */ + *pITtime = (ST25DV_PULSE_DURATION)reg_value; + + return NFCTAG_OK; +} + +/** + * @brief Configures the ST25DV ITtime duration for the GPO pulse. + * @details Needs the I2C Password presentation to be effective. + * @param ITtime Coefficient for the Pulse duration to be written (Pulse duration = 302,06 us - ITtime * 512 / fc) + * @param mi2cChannel I2C channel + * @retval NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteITPulse( const ST25DV_PULSE_DURATION ITtime, I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* prepare data to write */ + reg_value = (uint8_t)ITtime; + + /* Write value for ITtime register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_ITTIME_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads N bytes of Data, starting from the specified I2C address. + * @param pData Pointer used to return the read data. + * @param TarAddr I2C data memory address to read. + * @param NbByte Number of bytes to be read. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadData( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel) +{ + /* Read Data in user memory */ + return ST25DV_IO_MemRead( pData, ST25DV_ADDR_DATA_I2C, TarAddr, NbByte, mi2cChannel ); +} + +/** + * @brief Writes N bytes of Data starting from the specified I2C Address. + * @param pData Pointer on the data to be written. + * @param TarAddr I2C data memory address to be written. + * @param NbByte Number of bytes to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteData( const uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C* mi2cChannel ) +{ + NFCTAG_StatusTypeDef ret; + NFCTAG_StatusTypeDef pollstatus; + uint16_t split_data_nb; + const uint8_t *pdata_index = (const uint8_t *)pData; + + uint16_t bytes_to_write = NbByte; + uint16_t mem_addr = TarAddr; + + /* ST25DV can write a maximum of 256 bytes in EEPROM per i2c communication */ + do + { + /* Split write if data to write is superior of max write bytes for ST25DV */ + if( bytes_to_write > ST25DV_MAX_WRITE_BYTE ) + { + /* DataSize higher than max page write, copy data by page */ + split_data_nb = (uint16_t)ST25DV_MAX_WRITE_BYTE; + } + else + { + /* DataSize lower or equal to max page write, copy only last bytes */ + split_data_nb = bytes_to_write; + } + /* Write split_data_nb bytes in memory */ + ret = ST25DV_IO_MemWrite( pdata_index, ST25DV_ADDR_DATA_I2C, mem_addr, split_data_nb, mi2cChannel); + + Timer t; + /* POLLING, NEW CODE */ + if( ret == 0 ) + { + /* Poll until EEPROM is available */ + + int ms = 0; + /* Wait until ST25DV is ready or timeout occurs */ + do + { + t.start(); + pollstatus = ST25DV_IO_IsDeviceReady( ST25DV_ADDR_DATA_I2C , 1, mi2cChannel); + ms = t.read_ms(); + t.stop(); + } while( ( ms < ST25DV_I2C_TIMEOUT) && (pollstatus != NFCTAG_OK) ); + + + if( pollstatus != NFCTAG_OK ) + { + return NFCTAG_TIMEOUT; + } + } + + /* update index, dest address, size for next write */ + pdata_index += split_data_nb; + mem_addr += split_data_nb; + bytes_to_write -= split_data_nb; + } + while( ( bytes_to_write > 0 ) && ( ret == NFCTAG_OK ) ); + + return ret; +} + +/** + * @brief Reads N bytes of Data, starting at current address. + * @param pData Pointer used to return the read data. + * @param NbByte Number of bytes to be read. + * @param mi2cChannel : I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadDataCurrentAddr( uint8_t * const pData, const uint16_t NbByte, I2C* mi2cChannel ) +{ + /* Read Data in user memory */ + return ST25DV_IO_Read( pData, ST25DV_ADDR_DATA_I2C, NbByte, mi2cChannel ); +} + +/** + * @brief Reads N bytes from Registers, starting at the specified I2C address. + * @param pData Pointer used to return the read data. + * @param TarAddr I2C memory address to be read. + * @param NbByte Number of bytes to be read. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRegister( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ) +{ + /* Read Data in system memory */ + return ST25DV_IO_MemRead( pData, ST25DV_ADDR_SYST_I2C, TarAddr, NbByte, mi2cChannel ); +} + +/** + * @brief Writes N bytes to the specified register. + * @details Needs the I2C Password presentation to be effective. + * @param pData Pointer on the data to be written. + * @param TarAddr I2C register address to written. + * @param NbByte Number of bytes to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRegister( const uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef ret; + NFCTAG_StatusTypeDef pollstatus; + uint8_t split_data_nb; + uint16_t bytes_to_write = NbByte; + uint16_t mem_addr = TarAddr; + const uint8_t *pdata_index = (const uint8_t *)pData; + + /* ST25DV can write a maximum of 256 bytes in EEPROM per i2c communication */ + do + { + /* Split write if data to write is superior of max write bytes for ST25DV */ + if( bytes_to_write > ST25DV_MAX_WRITE_BYTE ) + { + /* DataSize higher than max page write, copy data by page */ + split_data_nb = (uint8_t)ST25DV_MAX_WRITE_BYTE; + } + else + { + /* DataSize lower or equal to max page write, copy only last bytes */ + split_data_nb = bytes_to_write; + } + /* Write split_data_nb bytes in register */ + ret = ST25DV_IO_MemWrite( pdata_index, ST25DV_ADDR_SYST_I2C, mem_addr, split_data_nb, mi2cChannel); + + Timer t; + /* POLLING, NEW CODE */ + if( ret == 0 ) + { + int ms = 0; + /* Wait until ST25DV is ready or timeout occurs */ + do + { + t.start(); + pollstatus = ST25DV_IO_IsDeviceReady( ST25DV_ADDR_DATA_I2C , 1, mi2cChannel); + ms = t.read_ms(); + t.stop(); + } while( ( ms < ST25DV_I2C_TIMEOUT) && (pollstatus != NFCTAG_OK) ); + + if( pollstatus != NFCTAG_OK ) + { + return NFCTAG_TIMEOUT; + } + } + + + /* update index, dest address, size for next write */ + pdata_index += split_data_nb; + mem_addr += split_data_nb; + bytes_to_write -= split_data_nb; + } + while( ( bytes_to_write > 0 ) && ( ret == NFCTAG_OK ) ); + + + + return ret; +} + +/** + * @brief Reads the ST25DV UID. + * @param pUid Pointer used to return the ST25DV UID value. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadUID( ST25DV_UID * const pUid, I2C * mi2cChannel ) +{ + uint8_t reg_value[8]; + uint8_t i; + NFCTAG_StatusTypeDef status; + + /* Read value of UID registers */ + status = ST25DV_i2c_ReadRegister( reg_value, ST25DV_UID_REG, 8, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Store information in 2 WORD */ + pUid->MsbUid = 0; + + for( i = 0; i < 4; i++ ) + { + pUid->MsbUid = (pUid->MsbUid << 8) | reg_value[7 - i]; + } + + pUid->LsbUid = 0; + + for( i = 0; i < 4; i++ ) + { + pUid->LsbUid = (pUid->LsbUid << 8) | reg_value[3 - i]; + } + + return NFCTAG_OK; +} + +/** + * @brief Reads the ST25DV DSFID. + * @param pDsfid Pointer used to return the ST25DV DSFID value. + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadDSFID( uint8_t * const pDsfid, I2C * mi2cChannel ) +{ + /* Read DSFID register */ + return ST25DV_i2c_ReadRegister( pDsfid, ST25DV_DSFID_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the ST25DV DSFID RF Lock state. + * @param pLockDsfid Pointer on a ST25DV_LOCK_STATUS used to return the DSFID lock state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadDsfidRFProtection( ST25DV_LOCK_STATUS * const pLockDsfid, I2C * mi2cChannel) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_LOCKDSFID_REG, 1 , mi2cChannel); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Lock Status */ + if( reg_value == 0 ) + { + *pLockDsfid = ST25DV_UNLOCKED; + } + else + { + *pLockDsfid = ST25DV_LOCKED; + } + return NFCTAG_OK; +} + +/** + * @brief Reads the ST25DV AFI. + * @param pAfi Pointer used to return the ST25DV AFI value. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadAFI( uint8_t * const pAfi, I2C * mi2cChannel ) +{ + /* Read AFI register */ + return ST25DV_i2c_ReadRegister( pAfi, ST25DV_AFI_REG, 1 , mi2cChannel); +} + +/** + * @brief Reads the AFI RF Lock state. + * @param pLockAfi Pointer on a ST25DV_LOCK_STATUS used to return the ASFID lock state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadAfiRFProtection( ST25DV_LOCK_STATUS * const pLockAfi, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_LOCKAFI_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Lock Status */ + if( reg_value == 0 ) + { + *pLockAfi = ST25DV_UNLOCKED; + } + else + { + *pLockAfi = ST25DV_LOCKED; + } + return NFCTAG_OK; +} + +/** + * @brief Reads the I2C Protected Area state. + * @param pProtZone Pointer on a ST25DV_I2C_PROT_ZONE structure used to return the Protected Area state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadI2CProtectZone( ST25DV_I2C_PROT_ZONE * const pProtZone, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read value of I2c Protected Zone register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_I2CZSS_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Dispatch information to corresponding struct member */ + pProtZone->ProtectZone1 = (ST25DV_PROTECTION_CONF)( (reg_value & ST25DV_I2CZSS_PZ1_MASK) >> ST25DV_I2CZSS_PZ1_SHIFT ); + pProtZone->ProtectZone2 = (ST25DV_PROTECTION_CONF)( (reg_value & ST25DV_I2CZSS_PZ2_MASK) >> ST25DV_I2CZSS_PZ2_SHIFT ); + pProtZone->ProtectZone3 = (ST25DV_PROTECTION_CONF)( (reg_value & ST25DV_I2CZSS_PZ3_MASK) >> ST25DV_I2CZSS_PZ3_SHIFT ); + pProtZone->ProtectZone4 = (ST25DV_PROTECTION_CONF)( (reg_value & ST25DV_I2CZSS_PZ4_MASK) >> ST25DV_I2CZSS_PZ4_SHIFT ); + + return NFCTAG_OK; +} + +/** + * @brief Sets the I2C write-protected state to an EEPROM Area. + * @details Needs the I2C Password presentation to be effective. + * @param Zone ST25DV_PROTECTION_ZONE value coresponding to the area to protect. + * @param ReadWriteProtection ST25DV_PROTECTION_CONF value corresponding to the protection to be set. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteI2CProtectZonex( const ST25DV_PROTECTION_ZONE Zone, const ST25DV_PROTECTION_CONF ReadWriteProtection, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual i2c Zone Security Status */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_I2CZSS_REG, 1, mi2cChannel); + if( status != NFCTAG_OK ) + return status; + + /* Compute and update new i2c Zone Security Status */ + switch( Zone ) + { + case ST25DV_PROT_ZONE1: + reg_value &= ST25DV_I2CZSS_PZ1_FIELD; + /* Read protection is not allowed for Zone 1 */ + reg_value |= (ReadWriteProtection & 0x01) << ST25DV_I2CZSS_PZ1_SHIFT; + break; + case ST25DV_PROT_ZONE2: + reg_value &= ST25DV_I2CZSS_PZ2_FIELD; + reg_value |= ReadWriteProtection << ST25DV_I2CZSS_PZ2_SHIFT; + break; + case ST25DV_PROT_ZONE3: + reg_value &= ST25DV_I2CZSS_PZ3_FIELD; + reg_value |= ReadWriteProtection << ST25DV_I2CZSS_PZ3_SHIFT; + break; + case ST25DV_PROT_ZONE4: + reg_value &= ST25DV_I2CZSS_PZ4_FIELD; + reg_value |= ReadWriteProtection << ST25DV_I2CZSS_PZ4_SHIFT; + break; + + default: + return NFCTAG_ERROR; + } + + /* Write I2CZSS register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_I2CZSS_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the CCile protection state. + * @param pLockCCFile Pointer on a ST25DV_LOCK_CCFILE value corresponding to the lock state of the CCFile. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadLockCCFile( ST25DV_LOCK_CCFILE * const pLockCCFile, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Get actual LOCKCCFILE register value */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_LOCKCCFILE_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract CCFile block information */ + if( (reg_value & ST25DV_LOCKCCFILE_BLCK0_MASK) == ST25DV_LOCKCCFILE_BLCK0_MASK ) + { + pLockCCFile->LckBck0 = ST25DV_LOCKED; + } + else + { + pLockCCFile->LckBck0 = ST25DV_UNLOCKED; + } + + if( (reg_value & ST25DV_LOCKCCFILE_BLCK1_MASK) == ST25DV_LOCKCCFILE_BLCK1_MASK ) + { + pLockCCFile->LckBck1 = ST25DV_LOCKED; + } + else + { + pLockCCFile->LckBck1 = ST25DV_UNLOCKED; + } + + return status; +} + +/** + * @brief Locks the CCile to prevent any RF write access. + * @details Needs the I2C Password presentation to be effective. + * @param NbBlockCCFile ST25DV_CCFILE_BLOCK value corresponding to the number of blocks to be locked. + * @param LockCCFile ST25DV_LOCK_CCFILE value corresponding to the lock state to apply on the CCFile. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteLockCCFile( const ST25DV_CCFILE_BLOCK NbBlockCCFile, const ST25DV_LOCK_STATUS LockCCFile, I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* Configure value to write on register */ + if( NbBlockCCFile == ST25DV_CCFILE_1BLCK ) + { + if( LockCCFile == ST25DV_LOCKED ) + { + reg_value = ST25DV_LOCKCCFILE_BLCK0_MASK; + } + else + { + reg_value = 0x00; + } + } + else + { + if( LockCCFile == ST25DV_LOCKED ) + { + reg_value = ST25DV_LOCKCCFILE_BLCK0_MASK | ST25DV_LOCKCCFILE_BLCK1_MASK; + } + else + { + reg_value = 0x00; + } + } + + /* Write LOCKCCFILE register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_LOCKCCFILE_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the Cfg registers protection. + * @param pLockCfg Pointer on a ST25DV_LOCK_STATUS value corresponding to the Cfg registers lock state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadLockCFG( ST25DV_LOCK_STATUS * const pLockCfg, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Get actual LOCKCCFILE register value */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_LOCKCFG_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract LOCKCFG block information */ + if( (reg_value & ST25DV_LOCKCFG_B0_MASK) == ST25DV_LOCKCFG_B0_MASK ) + { + *pLockCfg = ST25DV_LOCKED; + } + else + { + *pLockCfg = ST25DV_UNLOCKED; + } + return NFCTAG_OK; +} + +/** + * @brief Lock/Unlock the Cfg registers, to prevent any RF write access. + * @details Needs the I2C Password presentation to be effective. + * @param LockCfg ST25DV_LOCK_STATUS value corresponding to the lock state to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteLockCFG( const ST25DV_LOCK_STATUS LockCfg, I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* Configure value to write on register */ + reg_value = (uint8_t)LockCfg; + + /* Write LOCKCFG register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_LOCKCFG_REG, 1, mi2cChannel ); +} + +/** + * @brief Presents I2C password, to authorize the I2C writes to protected areas. + * @param PassWord Password value on 32bits + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_PresentI2CPassword( const ST25DV_PASSWD PassWord, I2C * mi2cChannel ) +{ + uint8_t ai2c_message[17] = {0}; + uint8_t i; + + /* Build I2C Message with Password + Validation code 0x09 + Password */ + ai2c_message[8] = 0x09; + for( i = 0; i < 4; i++ ) + { + ai2c_message[i] = ( PassWord.MsbPasswd >> ( (3 - i) * 8) ) & 0xFF; + ai2c_message[i + 4] = ( PassWord.LsbPasswd >> ( (3 - i) * 8) ) & 0xFF; + ai2c_message[i + 9] = ai2c_message[i]; + ai2c_message[i + 13] = ai2c_message[i + 4]; + }; + + /* Present password to ST25DV */ + return ST25DV_i2c_WriteRegister( ai2c_message, ST25DV_I2CPASSWD_REG, 17, mi2cChannel ); +} + +/** + * @brief Writes a new I2C password. + * @details Needs the I2C Password presentation to be effective. + * @param PassWord New I2C PassWord value on 32bits. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteI2CPassword( const ST25DV_PASSWD PassWord, I2C * mi2cChannel ) +{ + uint8_t ai2c_message[17] = {0}; + uint8_t i; + + /* Build I2C Message with Password + Validation code 0x07 + Password */ + ai2c_message[8] = 0x07; + + for( i = 0; i < 4; i++ ) + { + ai2c_message[i] = ( PassWord.MsbPasswd >> ( (3 - i) * 8) ) & 0xFF; + ai2c_message[i + 4] = ( PassWord.LsbPasswd >> ( (3 - i) * 8) ) & 0xFF; + ai2c_message[i + 9] = ai2c_message[i]; + ai2c_message[i + 13] = ai2c_message[i + 4]; + }; + + /* Write new password in I2CPASSWD register */ + return ST25DV_i2c_WriteRegister( ai2c_message, ST25DV_I2CPASSWD_REG, 17, mi2cChannel ); +} + +/** + * @brief Reads the RF Zone Security Status (defining the allowed RF accesses). + * @param Zone ST25DV_PROTECTION_ZONE value coresponding to the protected area. + * @param pRfprotZone Pointer on a ST25DV_RF_PROT_ZONE value corresponding to the area protection state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRFZxSS( const ST25DV_PROTECTION_ZONE Zone, ST25DV_RF_PROT_ZONE * const pRfprotZone, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + uint16_t sector_security_addr; + + /* Select Sector Security register address */ + switch( Zone ) + { + case ST25DV_PROT_ZONE1: + sector_security_addr = ST25DV_RFZ1SS_REG; + break; + case ST25DV_PROT_ZONE2: + sector_security_addr = ST25DV_RFZ2SS_REG; + break; + case ST25DV_PROT_ZONE3: + sector_security_addr = ST25DV_RFZ3SS_REG; + break; + case ST25DV_PROT_ZONE4: + sector_security_addr = ST25DV_RFZ4SS_REG; + break; + + default: + return NFCTAG_ERROR; + } + + /* Read actual value of Sector Security Status register */ + status = ST25DV_i2c_ReadRegister( ®_value, sector_security_addr, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Sector Security Status configuration */ + pRfprotZone->PasswdCtrl = (ST25DV_PASSWD_PROT_STATUS)((reg_value & ST25DV_RFZSS_PWDCTRL_MASK) >> ST25DV_RFZSS_PWDCTRL_SHIFT); + pRfprotZone->RWprotection = (ST25DV_PROTECTION_CONF)((reg_value & ST25DV_RFZSS_RWPROT_MASK) >> ST25DV_RFZSS_RWPROT_SHIFT); + + return NFCTAG_OK; +} + +/** + * @brief Writes the RF Zone Security Status (defining the allowed RF accesses) + * @details Needs the I2C Password presentation to be effective. + * @param Zone ST25DV_PROTECTION_ZONE value corresponding to the area on which to set the RF protection. + * @param RfProtZone Pointer on a ST25DV_RF_PROT_ZONE value defininf the protection to be set on the area. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRFZxSS( const ST25DV_PROTECTION_ZONE Zone, const ST25DV_RF_PROT_ZONE RfProtZone, I2C * mi2cChannel ) +{ + uint8_t reg_value; + uint16_t sector_security_addr; + + /* Select Sector Security register address */ + switch( Zone ) + { + case ST25DV_PROT_ZONE1: + sector_security_addr = ST25DV_RFZ1SS_REG; + break; + case ST25DV_PROT_ZONE2: + sector_security_addr = ST25DV_RFZ2SS_REG; + break; + case ST25DV_PROT_ZONE3: + sector_security_addr = ST25DV_RFZ3SS_REG; + break; + case ST25DV_PROT_ZONE4: + sector_security_addr = ST25DV_RFZ4SS_REG; + break; + + default: + return NFCTAG_ERROR; + } + + /* Update Sector Security Status */ + reg_value = (RfProtZone.RWprotection << ST25DV_RFZSS_RWPROT_SHIFT) & ST25DV_RFZSS_RWPROT_MASK; + reg_value |= ((RfProtZone.PasswdCtrl << ST25DV_RFZSS_PWDCTRL_SHIFT) & ST25DV_RFZSS_PWDCTRL_MASK); + + /* Write Sector Security register */ + return ST25DV_i2c_WriteRegister( ®_value, sector_security_addr, 1, mi2cChannel ); +} + +/** + * @brief Reads the value of the an area end address. + * @param EndZone ST25DV_END_ZONE value corresponding to an area end address. + * @param pEndZ Pointer used to return the end address of the area. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadEndZonex( const ST25DV_END_ZONE EndZone, uint8_t * const pEndZ, I2C * mi2cChannel ) +{ + uint16_t mem_addr; + + /* End zone register address to read */ + switch( EndZone ) + { + case ST25DV_ZONE_END1: + mem_addr = ST25DV_END1_REG; + break; + case ST25DV_ZONE_END2: + mem_addr = ST25DV_END2_REG; + break; + case ST25DV_ZONE_END3: + mem_addr = ST25DV_END3_REG; + break; + + default: + return NFCTAG_ERROR; + } + + /* Read the corresponding End zone */ + return ST25DV_i2c_ReadRegister( pEndZ, mem_addr, 1, mi2cChannel ); +} + +/** + * @brief Sets the end address of an area. + * @details Needs the I2C Password presentation to be effective. + * @note The ST25DV answers a NACK when setting the EndZone2 & EndZone3 to same value than repectively EndZone1 & EndZone2.\n + * These NACKs are ok. + * @param EndZone ST25DV_END_ZONE value corresponding to an area. + * @param EndZ End zone value to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteEndZonex( const ST25DV_END_ZONE EndZone, const uint8_t EndZ , I2C * mi2cChannel) +{ + uint16_t mem_addr; + NFCTAG_StatusTypeDef ret; + + /* End zone register address to write */ + switch( EndZone ) + { + case ST25DV_ZONE_END1: + mem_addr = ST25DV_END1_REG; + break; + case ST25DV_ZONE_END2: + mem_addr = ST25DV_END2_REG; + break; + case ST25DV_ZONE_END3: + mem_addr = ST25DV_END3_REG; + break; + + default: + return NFCTAG_ERROR; + } + + /* Write the corresponding End zone value in register */ + ret = ST25DV_i2c_WriteRegister( &EndZ, mem_addr, 1,mi2cChannel ); + + return ret; +} + +/** + * @brief Initializes the end address of the ST25DV areas with their default values (end of memory). + * @details Needs the I2C Password presentation to be effective.. + * The ST25DV answers a NACK when setting the EndZone2 & EndZone3 to same value than repectively EndZone1 & EndZone2. + * These NACKs are ok. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_InitEndZone( I2C * mi2cChannel ) +{ + uint8_t endval = 0xFF; + uint32_t maxmemlength; + ST25DV_MEM_SIZE memsize; + NFCTAG_StatusTypeDef ret; + + memsize.Mem_Size = 0; + memsize.BlockSize = 0; + + /* Get EEPROM mem size */ + ST25DV_i2c_ReadMemSize( &memsize, mi2cChannel ); + maxmemlength = (memsize.Mem_Size + 1) * (memsize.BlockSize + 1); + + /* Compute Max value for endzone register */ + endval = (maxmemlength / 32) - 1; + + /* Write EndZone value to ST25DV registers */ + ret = ST25DV_i2c_WriteEndZonex( ST25DV_ZONE_END3, endval, mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + ret = ST25DV_i2c_WriteEndZonex( ST25DV_ZONE_END2, endval, mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + ret = ST25DV_i2c_WriteEndZonex( ST25DV_ZONE_END1, endval, mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + return ret; +} + +/** + * @brief Creates user areas with defined lengths. + * @details Needs the I2C Password presentation to be effective. + * @param Zone1Length Length of area1 in bytes (32 to 8192, 0x20 to 0x2000) + * @param Zone2Length Length of area2 in bytes (0 to 8128, 0x00 to 0x1FC0) + * @param Zone3Length Length of area3 in bytes (0 to 8064, 0x00 to 0x1F80) + * @param Zone4Length Length of area4 in bytes (0 to 8000, 0x00 to 0x1F40) + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_CreateUserZone( uint16_t Zone1Length, uint16_t Zone2Length, uint16_t Zone3Length, uint16_t Zone4Length, I2C * mi2cChannel ) +{ + uint8_t EndVal; + ST25DV_MEM_SIZE memsize; + uint16_t maxmemlength = 0; + NFCTAG_StatusTypeDef ret; + + memsize.Mem_Size = 0; + memsize.BlockSize = 0; + + ST25DV_i2c_ReadMemSize( &memsize, mi2cChannel ); + + maxmemlength = (memsize.Mem_Size + 1) * (memsize.BlockSize + 1); + + /* Checks that values of different zones are in bounds */ + if( ( Zone1Length < 32 ) || ( Zone1Length > maxmemlength ) || ( Zone2Length > (maxmemlength - 32) ) + || ( Zone3Length > (maxmemlength - 64) ) || ( Zone4Length > (maxmemlength - 96) ) ) + { + return NFCTAG_ERROR; + } + + /* Checks that the total is less than the authorised maximum */ + if( ( Zone1Length + Zone2Length + Zone3Length + Zone4Length ) > maxmemlength ) + { + return NFCTAG_ERROR; + } + + /* if The value for each Length is not a multiple of 64 correct it. */ + if( (Zone1Length % 32) != 0 ) + { + Zone1Length = Zone1Length - ( Zone1Length % 32 ); + } + + if( (Zone2Length % 32) != 0 ) + { + Zone2Length = Zone2Length - ( Zone2Length % 32 ); + } + + if( (Zone3Length % 32) != 0 ) + { + Zone3Length = Zone3Length - ( Zone3Length % 32 ); + } + + /* First right 0xFF in each Endx value */ + ret = ST25DV_i2c_InitEndZone( mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + /* Then Write corresponding value for each zone */ + EndVal = (uint8_t)( (Zone1Length / 32 ) - 1 ); + ret = ST25DV_i2c_WriteEndZonex( ST25DV_ZONE_END1, EndVal, mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + EndVal = (uint8_t)( ((Zone1Length + Zone2Length) / 32 ) - 1 ); + ret = ST25DV_i2c_WriteEndZonex( ST25DV_ZONE_END2, EndVal, mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + EndVal = (uint8_t)( ((Zone1Length + Zone2Length + Zone3Length) / 32 ) - 1 ); + ret = ST25DV_i2c_WriteEndZonex( ST25DV_ZONE_END3, EndVal, mi2cChannel ); + if( (ret != NFCTAG_OK) && (ret != NFCTAG_NACK) ) + { + return ret; + } + + return NFCTAG_OK; +} + +/** + * @brief Reads the ST25DV Memory Size. + * @param pSizeInfo Pointer on a ST25DV_MEM_SIZE structure used to return the Memory size information. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMemSize( ST25DV_MEM_SIZE * const pSizeInfo, I2C * mi2cChannel ) +{ + uint8_t reg_value[3]; + NFCTAG_StatusTypeDef status; + + /* Read actual value of MEM_SIZE register,cheeeeeeeeeeeeeck*/ + status = ST25DV_i2c_ReadRegister( reg_value, ST25DV_MEM_SIZE_REG, 1, mi2cChannel ); + status = ST25DV_i2c_ReadRegister( reg_value + 1, ST25DV_MEM_SIZE_REG + 1, 1, mi2cChannel ); + status = ST25DV_i2c_ReadRegister( reg_value + 2, ST25DV_MEM_SIZE_REG + 2, 1, mi2cChannel ); + + + if( status != NFCTAG_OK ) + return status; + + /* Extract Memory information */ + pSizeInfo->BlockSize = reg_value[2]; + pSizeInfo->Mem_Size = reg_value[1]; + pSizeInfo->Mem_Size = (pSizeInfo->Mem_Size << 8) | reg_value[0]; + return NFCTAG_OK; +} + +/** + * @brief Reads the Energy harvesting mode. + * @param pEH_mode Pointer on a ST25DV_EH_MODE_STATUS value corresponding to the Energy Harvesting state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadEHMode( ST25DV_EH_MODE_STATUS * const pEH_mode, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of EH_MODE register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_EH_MODE_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + return status; + + /* Extract EH_mode configuration */ + if( (reg_value & ST25DV_EH_MODE_MASK) == ST25DV_EH_MODE_MASK ) + { + *pEH_mode = ST25DV_EH_ON_DEMAND; + } + else + { + *pEH_mode = ST25DV_EH_ACTIVE_AFTER_BOOT; + } + + return NFCTAG_OK; +} + +/** + * @brief Sets the Energy harvesting mode. + * @details Needs the I2C Password presentation to be effective. + * @param EH_mode ST25DV_EH_MODE_STATUS value for the Energy harvesting mode to be set. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteEHMode( const ST25DV_EH_MODE_STATUS EH_mode, I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* Update EH_mode */ + reg_value = (uint8_t)EH_mode; + + /* Write EH_MODE register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_EH_MODE_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the RF Management configuration. + * @param pRF_Mngt Pointer on a ST25DV_RF_MNGT structure used to return the RF Management configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRFMngt( ST25DV_RF_MNGT * const pRF_Mngt, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + + if( status == NFCTAG_OK ) + { + /* Extract RF Disable information */ + if( (reg_value & ST25DV_RF_MNGT_RFDIS_MASK) == ST25DV_RF_MNGT_RFDIS_MASK ) + { + pRF_Mngt->RfDisable = ST25DV_ENABLE; + } + else + { + pRF_Mngt->RfDisable = ST25DV_DISABLE; + } + + /* Extract RF Sleep information */ + if( (reg_value & ST25DV_RF_MNGT_RFSLEEP_MASK) == ST25DV_RF_MNGT_RFSLEEP_MASK ) + { + pRF_Mngt->RfSleep = ST25DV_ENABLE; + } + else + { + pRF_Mngt->RfSleep = ST25DV_DISABLE; + } + } + + return status; +} + +/** + * @brief Sets the RF Management configuration. + * @details Needs the I2C Password presentation to be effective. + * @param Rfmngt Value of the RF Management configuration to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRFMngt( const uint8_t Rfmngt, I2C * mi2cChannel ) +{ + /* Write RF_MNGT register */ + return ST25DV_i2c_WriteRegister( &Rfmngt, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the RFDisable register information. + * @param pRFDisable Pointer on a ST25DV_EN_STATUS value corresponding to the RF Disable status. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFDisable( ST25DV_EN_STATUS * const pRFDisable, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + + /* Extract RFDisable information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_RF_MNGT_RFDIS_MASK) == ST25DV_RF_MNGT_RFDIS_MASK ) + { + *pRFDisable = ST25DV_ENABLE; + } + else + { + *pRFDisable = ST25DV_DISABLE; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Sets the RF Disable configuration. + * @details Needs the I2C Password presentation to be effective.7 + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFDisable( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_RMNGT register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update RF Disable field configuration */ + reg_value |= ST25DV_RF_MNGT_RFDIS_MASK; + + /* Write RF_MNGT register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); +} + +/** + * @brief Resets the RF Disable configuration + * @details Needs the I2C Password presentation to be effective. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFDisable( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_RMNGT register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update RF Disable field configuration */ + reg_value &= ST25DV_RF_MNGT_RFDIS_FIELD; + + /* Write RF_MNGT register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the RFSleep register information. + * @param pRFSleep Pointer on a ST25DV_EN_STATUS value corresponding to the RF Sleep status. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFSleep( ST25DV_EN_STATUS * const pRFSleep, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + + /* Extract RFSleep information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_RF_MNGT_RFDIS_MASK) == ST25DV_RF_MNGT_RFDIS_MASK ) + { + *pRFSleep = ST25DV_ENABLE; + } + else + { + *pRFSleep = ST25DV_DISABLE; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Sets the RF Sleep configuration. + * @details Needs the I2C Password presentation to be effective. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFSleep( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_RMNGT register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update RF Sleep field configuration */ + reg_value |= ST25DV_RF_MNGT_RFSLEEP_MASK; + + /* Write RF_MNGT register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_RF_MNGT_REG, 1,mi2cChannel ); +} + +/** + * @brief Resets the RF Sleep configuration. + * @details Needs the I2C Password presentation to be effective. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFSleep( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_RMNGT register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update RF Sleep field configuration */ + reg_value &= ST25DV_RF_MNGT_RFSLEEP_FIELD; + + /* Write RF_MNGT register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_RF_MNGT_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the Mailbox mode. + * @param pMB_mode Pointer on a ST25DV_EH_MODE_STATUS value used to return the Mailbox mode. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBMode( ST25DV_EN_STATUS * const pMB_mode, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of MB_MODE register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_MB_MODE_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Mailbox mode status */ + if( (reg_value & ST25DV_MB_MODE_RW_MASK) == ST25DV_MB_MODE_RW_MASK ) + { + *pMB_mode = ST25DV_ENABLE; + } + else + { + *pMB_mode = ST25DV_DISABLE; + } + + return NFCTAG_OK; +} + +/** + * @brief Sets the Mailbox mode. + * @details Needs the I2C Password presentation to be effective. + * @param MB_mode ST25DV_EN_STATUS value corresponding to the Mailbox mode to be set. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMBMode( const ST25DV_EN_STATUS MB_mode, I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* Update Mailbox mode status */ + reg_value = (uint8_t)MB_mode; + + /* Write MB_MODE register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_MB_MODE_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the Mailbox watchdog duration coefficient. + * @param pWdgDelay Pointer on a uint8_t used to return the watchdog duration coefficient. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBWDG( uint8_t * const pWdgDelay, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of MB_WDG register */ + status = ST25DV_i2c_ReadRegister( ®_value, ST25DV_MB_WDG_REG, 1 , mi2cChannel); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract watchdog coefficient delay configuration */ + *pWdgDelay = (reg_value & ST25DV_MB_WDG_DELAY_MASK) >> ST25DV_MB_WDG_DELAY_SHIFT; + + return NFCTAG_OK; +} + +/** + * @brief Writes the Mailbox watchdog coefficient delay + * @details Needs the I2C Password presentation to be effective. + * @param WdgDelay Watchdog duration coefficient to be written (Watch dog duration = MB_WDG*30 ms +/- 6%). + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMBWDG( const uint8_t WdgDelay, I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* Set Watchdog coefficient delay */ + reg_value = WdgDelay & ST25DV_MB_WDG_DELAY_MASK; + + /* Write MB_MODE register */ + return ST25DV_i2c_WriteRegister( ®_value, ST25DV_MB_WDG_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads N bytes of data from the Mailbox, starting at the specified byte offset. + * @param pData Pointer on the buffer used to return the read data. + * @param Offset Offset in the Mailbox memory, byte number to start the read. + * @param NbByte Number of bytes to be read. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMailboxData( uint8_t * const pData, const uint16_t Offset, const uint16_t NbByte, I2C * mi2cChannel ) +{ + if( Offset > ST25DV_MAX_MAILBOX_LENGTH ) + { + return NFCTAG_ERROR; + } + + /* Read Data in user memory */ + return ST25DV_IO_MemRead( pData, ST25DV_ADDR_DATA_I2C, ST25DV_MAILBOX_RAM_REG + Offset, NbByte, mi2cChannel ); +} + +/** + * @brief Writes N bytes of data in the Mailbox, starting from first Mailbox Address. + * @param pData Pointer to the buffer containing the data to be written. + * @param NbByte Number of bytes to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMailboxData( const uint8_t * const pData, const uint16_t NbByte, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + + /* ST25DV can write a maximum of 256 bytes in Mailbox */ + if( NbByte < ST25DV_MAX_MAILBOX_LENGTH ) + { + /* Write NbByte data in memory */ + status = ST25DV_IO_MemWrite( pData, ST25DV_ADDR_DATA_I2C, ST25DV_MAILBOX_RAM_REG, NbByte, mi2cChannel); + } + else + { + status = NFCTAG_ERROR; + } + + return status; +} + +/** + * @brief Reads N bytes from the mailbox registers, starting at the specified I2C address. + * @param pData Pointer on the buffer used to return the data. + * @param TarAddr I2C memory address to be read. + * @param NbByte Number of bytes to be read. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMailboxRegister( uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ) +{ + if( (TarAddr < ST25DV_GPO_DYN_REG) || (TarAddr > ST25DV_MBLEN_DYN_REG) ) + { + return NFCTAG_ERROR; + } + + return ST25DV_IO_MemRead( pData, ST25DV_ADDR_DATA_I2C, TarAddr, NbByte, mi2cChannel ); +} + +/** + * @brief Writes N bytes to the specified mailbox register. + * @param pData Pointer on the data to be written. + * @param TarAddr I2C register address to be written. + * @param NbByte Number of bytes to be written. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteMailboxRegister( const uint8_t * const pData, const uint16_t TarAddr, const uint16_t NbByte, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + + if( (TarAddr < ST25DV_GPO_DYN_REG) || (TarAddr > ST25DV_MBLEN_DYN_REG) ) + { + return NFCTAG_ERROR; + } + + /* ST25DV can write a maximum of 256 bytes in Mailbox */ + if( NbByte < ST25DV_MAX_MAILBOX_LENGTH ) + { + /* Write NbByte data in memory */ + status = ST25DV_IO_MemWrite( pData, ST25DV_ADDR_DATA_I2C, TarAddr, NbByte, mi2cChannel); + } + else + { + status = NFCTAG_ERROR; + } + + return status; +} + +/** + * @brief Reads the status of the security session open register. + * @param pSession Pointer on a ST25DV_I2CSSO_STATUS value used to return the session status. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadI2CSecuritySession_Dyn( ST25DV_I2CSSO_STATUS * const pSession, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of I2C_SSO_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_I2C_SSO_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Open session information */ + if( (reg_value & ST25DV_I2C_SSO_DYN_I2CSSO_MASK) == ST25DV_I2C_SSO_DYN_I2CSSO_MASK ) + { + *pSession = ST25DV_SESSION_OPEN; + } + else + { + *pSession = ST25DV_SESSION_CLOSED; + } + + return NFCTAG_OK; +} + +/** + * @brief Reads the IT status register from the ST25DV. + * @param pITStatus Pointer on uint8_t, used to return the IT status, such as: + * - RFUSERSTATE = 0x01 + * - RFBUSY = 0x02 + * - RFINTERRUPT = 0x04 + * - FIELDFALLING = 0x08 + * - FIELDRISING = 0x10 + * - RFPUTMSG = 0x20 + * - RFGETMSG = 0x40 + * - RFWRITE = 0x80 + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadITSTStatus_Dyn( uint8_t * const pITStatus, I2C * mi2cChannel ) +{ + /* Read value of ITStatus register */ + return ST25DV_i2c_ReadMailboxRegister( pITStatus, ST25DV_ITSTS_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Read value of dynamic GPO register configuration. + * @param pGPO ST25DV_GPO pointer of the dynamic GPO configuration to store. + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadGPO_Dyn( uint8_t *GPOConfig, I2C * mi2cChannel ) +{ + /* Read actual value of ST25DV_GPO_DYN_REG register */ + return ST25DV_i2c_ReadMailboxRegister( GPOConfig, ST25DV_GPO_DYN_REG, 1, mi2cChannel ); +} + + +/** + * @brief Get dynamique GPO enable status + * @param pGPO_en ST25DV_EN_STATUS pointer of the GPO enable status to store + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetGPO_en_Dyn( ST25DV_EN_STATUS * const pGPO_en, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + /* Read actual value of GPO_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_GPO_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract GPO enable status information */ + if( (reg_value & ST25DV_GPO_DYN_ENABLE_MASK) == ST25DV_GPO_DYN_ENABLE_MASK ) + { + *pGPO_en = ST25DV_ENABLE; + } + else + { + *pGPO_en = ST25DV_DISABLE; + } + + return NFCTAG_OK; +} + +/** + * @brief Set dynamique GPO enable configuration. + * @param None No parameters. + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetGPO_en_Dyn( I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of GPO_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_GPO_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update GPO enable configuration */ + reg_value |= ST25DV_GPO_DYN_ENABLE_MASK; + + /* Write GPO_DYN Register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_GPO_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Reset dynamique GPO enable configuration. + * @param None No parameters. + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetGPO_en_Dyn( I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of GPO_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_GPO_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update GPO enable configuration */ + reg_value &= ST25DV_GPO_DYN_ENABLE_FIELD; + + /* Write GPO_DYN Register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_GPO_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Read value of dynamic EH Ctrl register configuration + * @param pEH_CTRL : ST25DV_EH_CTRL pointer of the dynamic EH Ctrl configuration to store + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadEHCtrl_Dyn( ST25DV_EH_CTRL * const pEH_CTRL, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of ST25DV_EH_CTRL_DYN_REG register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + + if( status == NFCTAG_OK ) + { + /* Extract EH EN Mode configuration */ + if( (reg_value & ST25DV_EH_CTRL_DYN_EH_EN_MASK) == ST25DV_EH_CTRL_DYN_EH_EN_MASK ) + { + pEH_CTRL->EH_EN_Mode = ST25DV_ENABLE; + } + else + { + pEH_CTRL->EH_EN_Mode = ST25DV_DISABLE; + } + + /* Extract EH_ON configuration */ + if( (reg_value & ST25DV_EH_CTRL_DYN_EH_ON_MASK) == ST25DV_EH_CTRL_DYN_EH_ON_MASK ) + { + pEH_CTRL->EH_on = ST25DV_ENABLE; + } + else + { + pEH_CTRL->EH_on = ST25DV_DISABLE; + } + + /* Extract FIELD_ON configuration */ + if( (reg_value & ST25DV_EH_CTRL_DYN_FIELD_ON_MASK) == ST25DV_EH_CTRL_DYN_FIELD_ON_MASK ) + { + pEH_CTRL->Field_on = ST25DV_ENABLE; + } + else + { + pEH_CTRL->Field_on = ST25DV_DISABLE; + } + + /* Extract VCC_ON configuration */ + if( (reg_value & ST25DV_EH_CTRL_DYN_VCC_ON_MASK) == ST25DV_EH_CTRL_DYN_VCC_ON_MASK ) + { + pEH_CTRL->VCC_on = ST25DV_ENABLE; + } + else + { + pEH_CTRL->VCC_on = ST25DV_DISABLE; + } + + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Reads the Energy Harvesting dynamic status. + * @param pEH_Val Pointer on a ST25DV_EN_STATUS value used to return the Energy Harvesting dynamic status. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetEHENMode_Dyn( ST25DV_EN_STATUS * const pEH_Val, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of EH_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Energy Harvesting status information */ + if( (reg_value & ST25DV_EH_CTRL_DYN_EH_EN_MASK) == ST25DV_EH_CTRL_DYN_EH_EN_MASK ) + { + *pEH_Val = ST25DV_ENABLE; + } + else + { + *pEH_Val = ST25DV_DISABLE; + } + + return NFCTAG_OK; +} + +/** + * @brief Dynamically sets the Energy Harvesting mode. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetEHENMode_Dyn( I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of EH_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update Energy Harvesting configuration */ + reg_value |= ST25DV_EH_CTRL_DYN_EH_EN_MASK; + + /* Write EH_CTRL_DYN Register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Dynamically unsets the Energy Harvesting mode. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetEHENMode_Dyn( I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read actual value of EH_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update Energy Harvesting configuration */ + reg_value &= ST25DV_EH_CTRL_DYN_EH_EN_FIELD; + + /* Write EH_CTRL_DYN Register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the EH_ON status from the EH_CTRL_DYN register. + * @param pEHON Pointer on a ST25DV_EN_STATUS value used to return the EHON status. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetEHON_Dyn( ST25DV_EN_STATUS * const pEHON, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of EH_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + + /* Extract RF Field information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_EH_CTRL_DYN_EH_ON_MASK) == ST25DV_EH_CTRL_DYN_EH_ON_MASK ) + { + *pEHON = ST25DV_ENABLE; + } + else + { + *pEHON = ST25DV_DISABLE; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Checks if RF Field is present in front of the ST25DV. + * @param pRF_Field Pointer on a ST25DV_FIELD_STATUS value used to return the field presence. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFField_Dyn( ST25DV_FIELD_STATUS * const pRF_Field, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of EH_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + + /* Extract RF Field information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_EH_CTRL_DYN_FIELD_ON_MASK) == ST25DV_EH_CTRL_DYN_FIELD_ON_MASK ) + { + *pRF_Field = ST25DV_FIELD_ON; + } + else + { + *pRF_Field = ST25DV_FIELD_OFF; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Check if VCC is supplying the ST25DV. + * @param pVCC ST25DV_VCC_STATUS pointer of the VCC status to store + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetVCC_Dyn( ST25DV_VCC_STATUS * const pVCC, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of EH_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_EH_CTRL_DYN_REG, 1, mi2cChannel ); + + /* Extract VCC information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_EH_CTRL_DYN_VCC_ON_MASK) == ST25DV_EH_CTRL_DYN_VCC_ON_MASK ) + { + *pVCC = ST25DV_VCC_ON; + } + else + { + *pVCC = ST25DV_VCC_OFF; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Read value of dynamic RF Management configuration + * @param pRF_Mngt : ST25DV_RF_MNGT pointer of the dynamic RF Management configuration to store + * @param mi2cChannel I2C channel + * @retval NFCTAG enum status + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadRFMngt_Dyn( ST25DV_RF_MNGT * const pRF_Mngt, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + + if( status == NFCTAG_OK ) + { + /* Extract RF Disable configuration */ + if( (reg_value & ST25DV_RF_MNGT_DYN_RFDIS_MASK) == ST25DV_RF_MNGT_DYN_RFDIS_MASK ) + { + pRF_Mngt->RfDisable = ST25DV_ENABLE; + } + else + { + pRF_Mngt->RfDisable = ST25DV_DISABLE; + } + + /* Extract RF Sleep configuration */ + if( (reg_value & ST25DV_RF_MNGT_DYN_RFSLEEP_MASK) == ST25DV_RF_MNGT_DYN_RFSLEEP_MASK ) + { + pRF_Mngt->RfSleep = ST25DV_ENABLE; + } + else + { + pRF_Mngt->RfSleep = ST25DV_DISABLE; + } + + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Writes a value to the RF Management dynamic register. + * @param RF_Mngt Value to be written to the RF Management dynamic register. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_WriteRFMngt_Dyn( const uint8_t RF_Mngt, I2C * mi2cChannel ) +{ + /* Write value to RF_MNGT_DYN register */ + return ST25DV_i2c_WriteMailboxRegister( &RF_Mngt, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the RFDisable dynamic register information. + * @param pRFDisable Pointer on a ST25DV_EN_STATUS value used to return the RF Disable state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFDisable_Dyn( ST25DV_EN_STATUS * const pRFDisable, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + + /* Extract RFDisable information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_RF_MNGT_DYN_RFDIS_MASK) == ST25DV_RF_MNGT_DYN_RFDIS_MASK ) + { + *pRFDisable = ST25DV_ENABLE; + } + else + { + *pRFDisable = ST25DV_DISABLE; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Sets the RF Disable dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFDisable_Dyn( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update dynamic RF Disable field */ + reg_value |= ST25DV_RF_MNGT_DYN_RFDIS_MASK; + + /* Write RF_MNGT_DYN register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Unsets the RF Disable dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFDisable_Dyn( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update dynamic RF Disable field configuration */ + reg_value &= ST25DV_RF_MNGT_DYN_RFDIS_FIELD; + + /* Write RF_MNGT_DYN register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the RFSleep dynamic register information. + * @param pRFSleep Pointer on a ST25DV_EN_STATUS values used to return the RF Sleep state. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetRFSleep_Dyn( ST25DV_EN_STATUS * const pRFSleep, I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + + /* Extract RFSleep information */ + if( status == NFCTAG_OK ) + { + if( (reg_value & ST25DV_RF_MNGT_DYN_RFDIS_MASK) == ST25DV_RF_MNGT_DYN_RFDIS_MASK ) + { + *pRFSleep = ST25DV_ENABLE; + } + else + { + *pRFSleep = ST25DV_DISABLE; + } + return NFCTAG_OK; + } + + return status; +} + +/** + * @brief Sets the RF Sleep dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetRFSleep_Dyn( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update dynamic RF Disable field configuration */ + reg_value |= ST25DV_RF_MNGT_DYN_RFSLEEP_MASK; + + /* Write RF_MNGT_DYN register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Unsets the RF Sleep dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetRFSleep_Dyn( I2C * mi2cChannel ) +{ + NFCTAG_StatusTypeDef status; + uint8_t reg_value = 0; + + /* Read actual value of RF_MNGT_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Update dynamic RF Disable field configuration */ + reg_value &= ST25DV_RF_MNGT_DYN_RFSLEEP_FIELD; + + /* Write RF_MNGT_DYN register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_RF_MNGT_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Reads the Mailbox ctrl dynamic register. + * @param pCtrlStatus Pointer on a ST25DV_MB_CTRL_DYN_STATUS structure used to return the dynamic Mailbox ctrl information. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBCtrl_Dyn( ST25DV_MB_CTRL_DYN_STATUS * const pCtrlStatus, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read MB_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_MB_CTRL_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + /* Extract Mailbox ctrl information */ + pCtrlStatus->MbEnable = (reg_value & ST25DV_MB_CTRL_DYN_MBEN_MASK) >> ST25DV_MB_CTRL_DYN_MBEN_SHIFT; + pCtrlStatus->HostPutMsg = (reg_value & ST25DV_MB_CTRL_DYN_HOSTPUTMSG_MASK) >> ST25DV_MB_CTRL_DYN_HOSTPUTMSG_SHIFT; + pCtrlStatus->RfPutMsg = (reg_value & ST25DV_MB_CTRL_DYN_RFPUTMSG_MASK) >> ST25DV_MB_CTRL_DYN_RFPUTMSG_SHIFT; + pCtrlStatus->HostMissMsg = (reg_value & ST25DV_MB_CTRL_DYN_HOSTMISSMSG_MASK) >> ST25DV_MB_CTRL_DYN_HOSTMISSMSG_SHIFT; + pCtrlStatus->RFMissMsg = (reg_value & ST25DV_MB_CTRL_DYN_RFMISSMSG_MASK) >> ST25DV_MB_CTRL_DYN_RFMISSMSG_SHIFT; + pCtrlStatus->CurrentMsg = (ST25DV_CURRENT_MSG)((reg_value & ST25DV_MB_CTRL_DYN_CURRENTMSG_MASK) >> ST25DV_MB_CTRL_DYN_CURRENTMSG_SHIFT); + + return NFCTAG_OK; +} + +/** + * @brief Reads the Mailbox Enable dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_GetMBEN_Dyn( ST25DV_EN_STATUS * const pMBEN, I2C * mi2cChannel ) +{ + uint8_t reg_value; + NFCTAG_StatusTypeDef status; + + /* Read MB_CTRL_DYN register */ + status = ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_MB_CTRL_DYN_REG, 1, mi2cChannel ); + if( status != NFCTAG_OK ) + { + return status; + } + + if( (reg_value & ST25DV_MB_MODE_RW_MASK ) == ST25DV_MB_MODE_RW_MASK ) + { + *pMBEN = ST25DV_ENABLE; + } + else + { + *pMBEN = ST25DV_DISABLE; + } + + return NFCTAG_OK; +} + +/** + * @brief Sets the Mailbox Enable dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_SetMBEN_Dyn( I2C * mi2cChannel ) +{ + uint8_t reg_value; + + /* Set dynamic Mailbox enable */ + reg_value = ST25DV_MB_CTRL_DYN_MBEN_MASK; + + /* Write MB_CTRL_DYN register */ + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_MB_CTRL_DYN_REG, 1, mi2cChannel ); +} + +/** + * @brief Unsets the Mailbox Enable dynamic configuration. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ResetMBEN_Dyn( I2C * mi2cChannel ) +{ + uint8_t reg_value; + + + /* Set dynamic Mailbox disable */ + reg_value = 0; + + /* Write MB_CTRL_DYN register */ + ST25DV_i2c_ReadMailboxRegister( ®_value, ST25DV_MB_CTRL_DYN_REG, 1, mi2cChannel ); + return ST25DV_i2c_WriteMailboxRegister( ®_value, ST25DV_MB_CTRL_DYN_REG, 1, mi2cChannel ); + +} + +/** + * @brief Reads the Mailbox message length dynamic register. + * @param pMBLength Pointer on a uint8_t used to return the Mailbox message length. + * @param mi2cChannel I2C channel + * @return NFCTAG_StatusTypeDef enum status. + */ +NFCTAG_StatusTypeDef ST25DV_i2c_ReadMBLength_Dyn( uint8_t * const pMBLength, I2C * mi2cChannel ) +{ + /* Read actual value of MBLEN_DYN register */ + return ST25DV_i2c_ReadMailboxRegister( pMBLength, ST25DV_MBLEN_DYN_REG, 1, mi2cChannel ); +} + +/** + * @} + */ + +/** + * @} + */ + + +/******************* (C) COPYRIGHT 2016 STMicroelectronics *****END OF FILE****/