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Diff: ST25R3911.h
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ST25R3911.h Thu Nov 14 14:36:52 2019 +0000 @@ -0,0 +1,689 @@ + +/****************************************************************************** + * @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. + * +******************************************************************************/ + + +/* + * PROJECT: ST25R3911 firmware + * $Revision: $ + * LANGUAGE: ISO C99 + */ + +/*! \file + * + * \author Ulrich Herrmann + * + * \brief ST25R3911 declaration file + * + * API: + * - Initialize ST25R3911 driver: #st25r3911Initialize + * - Deinitialize ST25R3911 driver: #st25r3911Deinitialize + * + * + * @addtogroup RFAL + * @{ + * + * @addtogroup RFAL-HAL + * @brief RFAL Hardware Abstraction Layer + * @{ + * + * @addtogroup ST25R3911 + * @brief RFAL ST25R3911 Driver + * @{ + * + * @addtogroup ST25R3911_Driver + * @brief RFAL ST25R3911 Driver + * @{ + * + */ + +#ifndef ST25R3911_H +#define ST25R3911_H + +/* +****************************************************************************** +* INCLUDES +****************************************************************************** +*/ + +#include "st_errno.h" +#include "mbed.h" +#include "platform1.h" +#include <stdint.h> + + + + +/* +****************************************************************************** +* LOCAL DEFINES +****************************************************************************** +*/ + +#define ST25R3911_OSC_STABLE_TIMEOUT 10 /*!< Timeout for Oscillator to get stable, datasheet: 700us, take 5 ms */ +#define ST25R3911_CA_TIMEOUT 10 /*!< Timeout for Collision Avoidance command */ + +#define ST25R3911_WRITE_MODE (0) /*!< ST25R3911 SPI Operation Mode: Write */ +#define ST25R3911_READ_MODE (1 << 6) /*!< ST25R3911 SPI Operation Mode: Read */ +#define ST25R3911_FIFO_LOAD (2 << 6) /*!< ST25R3911 SPI Operation Mode: FIFO Load */ +#define ST25R3911_FIFO_READ (0xbf) /*!< ST25R3911 SPI Operation Mode: FIFO Read */ +#define ST25R3911_CMD_MODE (3 << 6) /*!< ST25R3911 SPI Operation Mode: Direct Command */ + +#define ST25R3911_CMD_LEN (1) /*!< ST25R3911 CMD length */ +#define ST25R3911_BUF_LEN (ST25R3911_CMD_LEN+ST25R3911_FIFO_DEPTH) /*!< ST25R3911 communication buffer: CMD + FIFO length */ + + +class ST25R3911 { + public: +// ST25R3911(); + /* API to comunicate with ST253911 */ + void readRegister(uint8_t reg, uint8_t* val, SPI* mspiChannel, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void writeRegister(uint8_t reg, uint8_t val, SPI* mspiChannel, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void readMultipleRegisters(uint8_t reg, uint8_t* values, uint8_t length, SPI* mspiChannel, ST25R3911* mST25, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void writeMultipleRegisters(uint8_t reg, const uint8_t* values, uint8_t length, SPI* mspiChannel, ST25R3911* mST25, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void executeCommand(uint8_t cmd, SPI* mspiChannel, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void executeCommands(uint8_t* cmds, uint8_t length, ST25R3911* mST25, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void writeFifo(const uint8_t* val, uint8_t length, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + void readFifo(uint8_t* buf, uint8_t length, SPI* mspiChannel, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +}; + + + +/* +****************************************************************************** +* GLOBAL DATATYPES +****************************************************************************** +*/ + + + + + +/*! Parameters how the stream mode should work */ +struct st25r3911StreamConfig { + uint8_t useBPSK; /*!< 0: subcarrier, 1:BPSK */ + uint8_t din; /*!< the divider for the in subcarrier frequency: fc/2^din */ + uint8_t dout; /*!< the divider for the in subcarrier frequency fc/2^dout */ + uint8_t report_period_length; /*!< the length of the reporting period 2^report_period_length*/ +}; + + +/*! ST25R3911 Wake-Up Period/Timer */ +typedef enum +{ + ST25R3911_WUM_PERIDOD_10MS = 0x00, /*!< Wake-Up timer 10ms */ + ST25R3911_WUM_PERIDOD_20MS = 0x01, /*!< Wake-Up timer 20ms */ + ST25R3911_WUM_PERIDOD_30MS = 0x02, /*!< Wake-Up timer 30ms */ + ST25R3911_WUM_PERIDOD_40MS = 0x03, /*!< Wake-Up timer 40ms */ + ST25R3911_WUM_PERIDOD_50MS = 0x04, /*!< Wake-Up timer 50ms */ + ST25R3911_WUM_PERIDOD_60MS = 0x05, /*!< Wake-Up timer 60ms */ + ST25R3911_WUM_PERIDOD_70MS = 0x06, /*!< Wake-Up timer 70ms */ + ST25R3911_WUM_PERIDOD_80MS = 0x07, /*!< Wake-Up timer 80ms */ + ST25R3911_WUM_PERIDOD_100MS = 0x10, /*!< Wake-Up timer 100ms */ + ST25R3911_WUM_PERIDOD_200MS = 0x11, /*!< Wake-Up timer 200ms */ + ST25R3911_WUM_PERIDOD_300MS = 0x12, /*!< Wake-Up timer 300ms */ + ST25R3911_WUM_PERIDOD_400MS = 0x13, /*!< Wake-Up timer 400ms */ + ST25R3911_WUM_PERIDOD_500MS = 0x14, /*!< Wake-Up timer 500ms */ + ST25R3911_WUM_PERIDOD_600MS = 0x15, /*!< Wake-Up timer 600ms */ + ST25R3911_WUM_PERIDOD_700MS = 0x16, /*!< Wake-Up timer 700ms */ + ST25R3911_WUM_PERIDOD_800MS = 0x17, /*!< Wake-Up timer 800ms */ +} st25r3911WumPeriod; + + +/*! ST25R3911 Wake-Up Period/Timer */ +typedef enum +{ + ST25R3911_WUM_AA_WEIGHT_4 = 0x00, /*!< Wake-Up Auto Average Weight 4 */ + ST25R3911_WUM_AA_WEIGHT_8 = 0x01, /*!< Wake-Up Auto Average Weight 8 */ + ST25R3911_WUM_AA_WEIGHT_16 = 0x02, /*!< Wake-Up Auto Average Weight 16 */ + ST25R3911_WUM_AA_WEIGHT_32 = 0x03, /*!< Wake-Up Auto Average Weight 32 */ +} st25r3911WumAAWeight; + + +/*! ST25R3911 Wake-Up Mode configuration */ +typedef struct +{ + st25r3911WumPeriod period; /*!< Wake-Up Timer period;how often measurement(s) is performed*/ + bool irqTout; /*!< IRQ at every timeout will refresh the measurement(s) */ + + struct{ + bool enabled; /*!< Inductive Amplitude measurement enabled */ + uint8_t delta; /*!< Delta between the reference and measurement to wake-up */ + uint8_t reference; /*!< Reference to be used; or ST25R3911_WUM_REFRENCE_AUTO */ + bool autoAvg; /*!< Use the HW Auto Averaging feature */ + bool aaInclMeas; /*!< When AutoAvg is enables, include IRQ measurement */ + st25r3911WumAAWeight aaWeight; /*!< When AutoAvg is enables, last measure weight */ + }indAmp; + struct{ + bool enabled; /*!< Inductive Phase measurement enabled */ + uint8_t delta; /*!< Delta between the reference and measurement to wake-up */ + uint8_t reference; /*!< Reference to be used; or ST25R3911_WUM_REFRENCE_AUTO */ + bool autoAvg; /*!< Use the HW Auto Averaging feature */ + bool aaInclMeas; /*!< When AutoAvg is enables, include IRQ measurement */ + st25r3911WumAAWeight aaWeight; /*!< When AutoAvg is enables, last measure weight */ + }indPha; + struct{ + bool enabled; /*!< Capacitive measurement enabled */ + uint8_t delta; /*!< Delta between the reference and measurement to wake-up */ + uint8_t reference; /*!< Reference to be used; or ST25R3911_WUM_REFRENCE_AUTO */ + bool autoAvg; /*!< Use the HW Auto Averaging feature */ + bool aaInclMeas; /*!< When AutoAvg is enables, include IRQ measurement */ + st25r3911WumAAWeight aaWeight; /*!< When AutoAvg is enables, last measure weight */ + }cap; +} st25r3911WakeUpConfig; + + +/* +****************************************************************************** +* GLOBAL DEFINES +****************************************************************************** +*/ +#define ST25R3911_FDT_NONE 0x00 /*!< Value indicating not to perform FDT */ + +#define MS_TO_64FCS(A) ((A) * 212) /*!< Converts from ms to 64/fc steps */ +#define MS_FROM_64FCS(A) ((A) / 212) /*!< Converts from 64/fc steps to ms */ + +/* ST25R3911 direct commands */ +#define ST25R3911_CMD_SET_DEFAULT 0xC1 /*!< Puts the chip in default state (same as after power-up) */ +#define ST25R3911_CMD_CLEAR_FIFO 0xC2 /*!< Stops all activities and clears FIFO */ +#define ST25R3911_CMD_TRANSMIT_WITH_CRC 0xC4 /*!< Transmit with CRC */ +#define ST25R3911_CMD_TRANSMIT_WITHOUT_CRC 0xC5 /*!< Transmit without CRC */ +#define ST25R3911_CMD_TRANSMIT_REQA 0xC6 /*!< Transmit REQA */ +#define ST25R3911_CMD_TRANSMIT_WUPA 0xC7 /*!< Transmit WUPA */ +#define ST25R3911_CMD_INITIAL_RF_COLLISION 0xC8 /*!< NFC transmit with Initial RF Collision Avoidance */ +#define ST25R3911_CMD_RESPONSE_RF_COLLISION_N 0xC9 /*!< NFC transmit with Response RF Collision Avoidance */ +#define ST25R3911_CMD_RESPONSE_RF_COLLISION_0 0xCA /*!< NFC transmit with Response RF Collision Avoidance with n=0 */ +#define ST25R3911_CMD_NORMAL_NFC_MODE 0xCB /*!< NFC switch to normal NFC mode */ +#define ST25R3911_CMD_ANALOG_PRESET 0xCC /*!< Analog Preset */ +#define ST25R3911_CMD_MASK_RECEIVE_DATA 0xD0 /*!< Mask recive data */ +#define ST25R3911_CMD_UNMASK_RECEIVE_DATA 0xD1 /*!< Unmask recive data */ +#define ST25R3911_CMD_MEASURE_AMPLITUDE 0xD3 /*!< Measure singal amplitude on RFI inputs */ +#define ST25R3911_CMD_SQUELCH 0xD4 /*!< Squelch */ +#define ST25R3911_CMD_CLEAR_SQUELCH 0xD5 /*!< Clear Squelch */ +#define ST25R3911_CMD_ADJUST_REGULATORS 0xD6 /*!< Adjust regulators */ +#define ST25R3911_CMD_CALIBRATE_MODULATION 0xD7 /*!< Calibrate modulation depth */ +#define ST25R3911_CMD_CALIBRATE_ANTENNA 0xD8 /*!< Calibrate antenna */ +#define ST25R3911_CMD_MEASURE_PHASE 0xD9 /*!< Measure phase between RFO and RFI signal */ +#define ST25R3911_CMD_CLEAR_RSSI 0xDA /*!< clear RSSI bits and restart the measurement */ +#define ST25R3911_CMD_TRANSPARENT_MODE 0xDC /*!< Transparent mode */ +#define ST25R3911_CMD_CALIBRATE_C_SENSOR 0xDD /*!< Calibrate the capacitive sensor */ +#define ST25R3911_CMD_MEASURE_CAPACITANCE 0xDE /*!< Measure capacitance */ +#define ST25R3911_CMD_MEASURE_VDD 0xDF /*!< Measure power supply voltage */ +#define ST25R3911_CMD_START_GP_TIMER 0xE0 /*!< Start the general purpose timer */ +#define ST25R3911_CMD_START_WUP_TIMER 0xE1 /*!< Start the wake-up timer */ +#define ST25R3911_CMD_START_MASK_RECEIVE_TIMER 0xE2 /*!< Start the mask-receive timer */ +#define ST25R3911_CMD_START_NO_RESPONSE_TIMER 0xE3 /*!< Start the no-repsonse timer */ +#define ST25R3911_CMD_TEST_CLEARA 0xFA /*!< Clear Test register */ +#define ST25R3911_CMD_TEST_CLEARB 0xFB /*!< Clear Test register */ +#define ST25R3911_CMD_TEST_ACCESS 0xFC /*!< Enable R/W access to the test registers */ +#define ST25R3911_CMD_LOAD_PPROM 0xFD /*!< Load data from the poly fuses to RAM */ +#define ST25R3911_CMD_FUSE_PPROM 0xFE /*!< Fuse poly fuses with data from the RAM */ + + +#define ST25R3911_FIFO_DEPTH 96 /*!< Depth of FIFO */ + +#define ST25R3911_THRESHOLD_DO_NOT_SET 0xFF /*!< Indicates not to change this Threshold */ + +#define ST25R3911_BR_DO_NOT_SET 0xFF /*!< Indicates not to change this Bit Rate */ +#define ST25R3911_BR_106 0x00 /*!< ST25R3911 Bit Rate 106 kbit/s (fc/128) */ +#define ST25R3911_BR_212 0x01 /*!< ST25R3911 Bit Rate 212 kbit/s (fc/64) */ +#define ST25R3911_BR_424 0x02 /*!< ST25R3911 Bit Rate 424 kbit/s (fc/32) */ +#define ST25R3911_BR_848 0x03 /*!< ST25R3911 Bit Rate 848 kbit/s (fc/16) */ +#define ST25R3911_BR_1695 0x04 /*!< ST25R3911 Bit Rate 1696 kbit/s (fc/8) */ +#define ST25R3911_BR_3390 0x05 /*!< ST25R3911 Bit Rate 3390 kbit/s (fc/4) */ +#define ST25R3911_BR_6780 0x06 /*!< ST25R3911 Bit Rate 6780 kbit/s (fc/2) */ + + +#define ST25R3911_WUM_REFRENCE_AUTO 0xFF /*!< Indicates new reference is set by the driver */ +#define ST25R3911_WUM_WAKEMASK_INDAMP 0x01 /*!< Wake-Up mode was woken by Inductive Amplitude */ +#define ST25R3911_WUM_WAKEMASK_INDPHA 0x02 /*!< Wake-Up mode was woken by Inductive Phase */ +#define ST25R3911_WUM_WAKEMASK_CAP 0x04 /*!< Wake-Up mode was woken by Capacitive */ + +/* +****************************************************************************** +* GLOBAL MACROS +****************************************************************************** +*/ + +/*! Checks if General Purpose Timer is still running by reading gpt_on flag */ +#define st25r3911IsGPTRunning( ) ( st25r3911CheckReg(ST25R3911_REG_REGULATOR_RESULT, ST25R3911_REG_REGULATOR_RESULT_gpt_on, ST25R3911_REG_REGULATOR_RESULT_gpt_on) ) + +/*! Checks if CRC is configured to be in FIFO */ +#define st25r3911IsCRCinFIFO( ) ( st25r3911CheckReg(ST25R3911_REG_AUX, ST25R3911_REG_AUX_crc_2_fifo, ST25R3911_REG_AUX_crc_2_fifo) ) + +/*! Checks if External Filed is detected by reading ST25R3911 External Field + * Detector output */ +#define st25r3911IsExtFieldOn() ( st25r3911CheckReg(ST25R3911_REG_AUX_DISPLAY, ST25R3911_REG_AUX_DISPLAY_efd_o, ST25R3911_REG_AUX_DISPLAY_efd_o ) ) + +/*! Checks if Transmitter is enabled (Field On) */ +#define st25r3911IsTxEnabled() ( st25r3911CheckReg(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en, ST25R3911_REG_OP_CONTROL_tx_en ) ) + +/*! Turn Off Tx (Field Off) */ +#define st25r3911TxOff() st25r3911ClrRegisterBits(ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_tx_en ); + +/*! Checks if last FIFO byte is complete */ +#define st25r3911IsLastFIFOComplete() st25r3911CheckReg( ST25R3911_REG_FIFO_RX_STATUS2, ST25R3911_REG_FIFO_RX_STATUS2_mask_fifo_lb, 0 ) + +/*! Checks if the Oscillator is enabled */ +#define st25r3911IsOscOn() st25r3911CheckReg( ST25R3911_REG_OP_CONTROL, ST25R3911_REG_OP_CONTROL_en, ST25R3911_REG_OP_CONTROL_en ) + +/* +****************************************************************************** +* GLOBAL FUNCTION PROTOTYPES +****************************************************************************** +*/ + +/*! + ***************************************************************************** + * \brief Turn on Oscillator and Regulator + * + * This function turn on oscillator and regulator and wait for the oscillator to + * become stable. + * + ***************************************************************************** + */ +extern void st25r3911OscOn( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Turn On Tx and Rx + * + * This function turns On Tx and Rx (Field On) + * + ***************************************************************************** + */ +extern void st25r3911TxRxOn( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Turn Off Tx and Rx + * + * This function turns Off Tx and Rx (Field Off) + * + ***************************************************************************** + */ +extern void st25r3911TxRxOff( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Initialise ST25R3911 driver + * + * This function initialises the ST25R3911 driver. + * + ***************************************************************************** + */ +extern void st25r3911Initialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Deinitialize ST25R3911 driver + * + * Calling this function deinitializes the ST25R3911 driver. + * + ***************************************************************************** + */ +extern void st25r3911Deinitialize( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Sets the bitrate registers + * + * This function sets the bitrate register for rx and tx + * + * \param txRate : speed is 2^txrate * 106 kb/s + * 0xff : don't set txrate + * \param rxRate : speed is 2^rxrate * 106 kb/s + * 0xff : don't set rxrate + * + * \return ERR_NONE : No error, both bit rates were set + * \return ERR_PARAM: At least one bit rate was invalid + * + ***************************************************************************** + */ +extern ReturnCode st25r3911SetBitrate(uint8_t txRate, uint8_t rxRate,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Adjusts supply regulators according to the current supply voltage + * + * This function the power level is measured in maximum load conditions and + * the regulated voltage reference is set to 250mV below this level. + * Execution of this function lasts arround 5ms. + * + * \param [out] result_mV : Result of calibration in milliVolts. + * + * \return ERR_REQUEST : Adjustment not possible since reg_s bit is set. + * \return ERR_IO : Error during communication with ST25R3911. + * \return ERR_NONE : No error. + * + ***************************************************************************** + */ +extern ReturnCode st25r3911AdjustRegulators(uint16_t* result_mV, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Measure RF + * + * This function measured the amplitude on the RFI inputs and stores the + * result in parameter \a result. + * + * \param[out] result: 8 bit long result of RF measurement. + * + ***************************************************************************** + */ +extern void st25r3911MeasureRF(uint8_t* result,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Measure Capacitance + * + * This function performs the capacitance measurement and stores the + * result in parameter \a result. + * + * \param[out] result: 8 bit long result of RF measurement. + * + ***************************************************************************** + */ +extern void st25r3911MeasureCapacitance(uint8_t* result, SPI *mspiChannel, DigitalOut * gpio_cs); + +/*! + ***************************************************************************** + * \brief Measure Voltage + * + * This function measures the voltage on one of VDD and VSP_* + * result in parameter \a result. + * + * \param[in] mpsv : one of ST25R3911_REG_REGULATOR_CONTROL_mpsv_vdd + * ST25R3911_REG_REGULATOR_CONTROL_mpsv_vsp_rf + * ST25R3911_REG_REGULATOR_CONTROL_mpsv_vsp_a + * or ST25R3911_REG_REGULATOR_CONTROL_mpsv_vsp_d + * + * \return the measured voltage in mV + * + ***************************************************************************** + */ +extern uint16_t st25r3911MeasureVoltage(uint8_t mpsv,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Calibrate antenna + * + * This function is used to calibrate the antenna using a special sequence. + * The result is stored in the \a result parameter. + * + * \param[out] result: 8 bit long result of antenna calibration algorithm. + * + ***************************************************************************** + */ +extern void st25r3911CalibrateAntenna(uint8_t* result, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Check antenna resonance + * + * This function is used to measure the antenna LC tank resconance to determine + * whether a calibration is needed. + * The result is stored in the \a result parameter. + * + * \param[out] result: 8 bit long result of the measurement. + * + ***************************************************************************** + */ +extern void st25r3911MeasureAntennaResonance(uint8_t* result, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Calibrate modulation depth + * + * This function is used to calibrate the modulation depth using a special sequence. + * The result is stored in the \a result parameter. + * + * \param[out] result: 8 bit long result of antenna calibration algorithm. + * + ***************************************************************************** + */ +extern void st25r3911CalibrateModulationDepth(uint8_t* result, SPI *mspiChannel, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Calibrate Capacitive Sensor + * + * This function is used to calibrates the Capacitive Sensor. + * The result is stored in the \a result parameter. + * + * \param[out] result: 8 bit long result of antenna calibration algorithm. + * + ***************************************************************************** + */ +extern void st25r3911CalibrateCapacitiveSensor(uint8_t* result, SPI *mspiChannel, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief set no response time + * + * This function executes sets the no response time to the defines value + * + * \param nrt_64fcs : no response time in 64/fc = 4.72us + * completion interrupt + * + * \return ERR_PARAM : if time is too large + */ +extern ReturnCode st25r3911SetNoResponseTime_64fcs(uint32_t nrt_64fcs, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief set no response time + * + * This function executes sets and immediately start the no response timer + * to the defines value + * This is used when needs to add more time before timeout whitout Tx + * + * \param nrt_64fcs : no response time in 64/fc = 4.72us + * completion interrupt + * + * \return ERR_PARAM : if time is too large + */ +extern ReturnCode st25r3911SetStartNoResponseTime_64fcs(uint32_t nrt_64fcs, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_06); + +/*! + ***************************************************************************** + * \brief Perform Collision Avoidance + * + * Performs Collision Avoidance with the given threshold and with the + * n number of TRFW + * + * \param[in] FieldONCmd : Field ON command to be executed ST25R3911_CMD_INITIAL_RF_COLLISION + * or ST25R3911_CMD_RESPONSE_RF_COLLISION_0/N + * \param[in] pdThreshold : Peer Detection Threshold (ST25R3916_REG_FIELD_THRESHOLD_trg_xx) + * 0xff : don't set Threshold (ST25R3916_THRESHOLD_DO_NOT_SET) + * \param[in] caThreshold : Collision Avoidance Threshold (ST25R3916_REG_FIELD_THRESHOLD_rfe_xx) + * 0xff : don't set Threshold (ST25R3916_THRESHOLD_DO_NOT_SET) + * \param[in] nTRFW : Number of TRFW + * + * \return ERR_NONE : no collision detected + * \return ERR_RF_COLLISION : collision detected + */ +extern ReturnCode st25r3911PerformCollisionAvoidance( uint8_t FieldONCmd, uint8_t pdThreshold, uint8_t caThreshold, uint8_t nTRFW, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Get amount of bits of the last FIFO byte if incomplete + * + * Gets the number of bits of the last FIFO byte if incomplete + * + * \return the number of bits of the last FIFO byte if incomplete, 0 if + * the last byte is complete + * + ***************************************************************************** + */ +extern uint8_t st25r3911GetNumFIFOLastBits( void ); + +/*! + ***************************************************************************** + * \brief Get NRT time + * + * This returns the last value set on the NRT + * + * \warning it does not reads chip register, just the sw var that contains the + * last value set before + * + * \return the value of the NRT + */ +extern uint32_t st25r3911GetNoResponseTime_64fcs(void); + +/*! + ***************************************************************************** + * \brief set general purpose timer timeout + * + * This function sets the proper registers but does not start the timer actually + * + * \param gpt_8fcs : general purpose timer timeout in 8/fc = 590ns + * + */ +extern void st25r3911SetGPTime_8fcs(uint16_t gpt_8fcs,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); +/*! + ***************************************************************************** + * \brief Starts GPT with given timeout + * + * This function starts the general purpose timer with the given timeout + * + * \param gpt_8fcs : general purpose timer timeout in 8/fc = 590ns + * \param trigger_source : no trigger, start of Rx, end of Rx, end of Tx in NFC mode + */ +extern void st25r3911StartGPTimer_8fcs(uint16_t gpt_8fcs, uint8_t trigger_source, SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Checks if register contains a expected value + * + * This function checks if the given reg contains a value that once masked + * equals the expected value + * + * \param reg : the register to check the value + * \param mask : the mask apply on register value + * \param val : expected value to be compared to + * + * \return true when reg contains the expected value | false otherwise + */ +bool st25r3911CheckReg( uint8_t reg, uint8_t mask, uint8_t val,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Sets the number Tx Bits + * + * Sets ST25R3911 internal registers with correct number of complete bytes and + * bits to be sent + * + * \param nBits : the number bits to be transmitted + ***************************************************************************** + */ +void st25r3911SetNumTxBits( uint32_t nBits,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Check Identity + * + * Checks if the chip ID is as expected. + * + * 5 bit IC type code for ST25R3911: 00001 + * The 3 lsb contain the IC revision code + * + * + * \param[out] rev : the IC revision code + * + * \return true when IC type is as expected + * + ***************************************************************************** + */ +bool st25r3911CheckChipID( uint8_t *rev,SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Check if command is valid + * + * Checks if the given command is a valid ST25R3911 command + * + * \param[in] cmd: Command to check + * + * \return true if is a valid command + * \return false otherwise + * + ***************************************************************************** + */ +bool st25r3911IsCmdValid( uint8_t cmd ); + +/*! + ***************************************************************************** + * \brief Configure the stream mode of ST25R3911 + * + * This function initializes the stream with the given parameters + * + * \param[in] config : all settings for bitrates, type, etc. + + * \return ERR_NONE : No error, stream mode driver initialized. + * + ***************************************************************************** + */ +extern ReturnCode st25r3911StreamConfigure(const struct st25r3911StreamConfig *config, SPI* mspiChannel, ST25R3911* mST25, DigitalOut * gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +/*! + ***************************************************************************** + * \brief Retrieves all internal registers from st25r3911 + */ +extern ReturnCode st25r3911GetRegsDump(uint8_t* resRegDump, uint8_t* sizeRegDump, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Cheks if a Wakeup IRQ due to Capacitive measument has happen + */ +extern bool st25r3911IrqIsWakeUpCap( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Cheks if a Wakeup IRQ due to Phase measument has happen + */ +extern bool st25r3911IrqIsWakeUpPhase( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + + +/*! + ***************************************************************************** + * \brief Cheks if a Wakeup IRQ due to Amplitude measument has happen + */ +extern bool st25r3911IrqIsWakeUpAmplitude( SPI* mspiChannel, ST25R3911* mST25, DigitalOut* gpio_cs, InterruptIn* IRQ, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 ); + +#endif /* ST25R3911_H */ + +/** + * @} + * + * @} + * + * @} + * + * @} + */ +