ST Expansion SW Team / ST25R3911

ST25R3911 library for the STMicroelectronics X-NUCLEO-NFC05A1

Dependents:   mbed-os-nfc05a1

ST25R3911.cpp@0:98fcd1266df0, 2019-11-14 (annotated)

Committer:
DiegoOstuni
Date:
Thu Nov 14 14:36:52 2019 +0000
Revision:
0:98fcd1266df0
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DiegoOstuni 0:98fcd1266df0 1
DiegoOstuni 0:98fcd1266df0 2 /******************************************************************************
DiegoOstuni 0:98fcd1266df0 3 * @attention
DiegoOstuni 0:98fcd1266df0 4 *
DiegoOstuni 0:98fcd1266df0 5 * <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
DiegoOstuni 0:98fcd1266df0 6 *
DiegoOstuni 0:98fcd1266df0 7 * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
DiegoOstuni 0:98fcd1266df0 8 * You may not use this file except in compliance with the License.
DiegoOstuni 0:98fcd1266df0 9 * You may obtain a copy of the License at:
DiegoOstuni 0:98fcd1266df0 10 *
DiegoOstuni 0:98fcd1266df0 11 * http://www.st.com/myliberty
DiegoOstuni 0:98fcd1266df0 12 *
DiegoOstuni 0:98fcd1266df0 13 * Unless required by applicable law or agreed to in writing, software
DiegoOstuni 0:98fcd1266df0 14 * distributed under the License is distributed on an "AS IS" BASIS,
DiegoOstuni 0:98fcd1266df0 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
DiegoOstuni 0:98fcd1266df0 16 * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
DiegoOstuni 0:98fcd1266df0 17 * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
DiegoOstuni 0:98fcd1266df0 18 * See the License for the specific language governing permissions and
DiegoOstuni 0:98fcd1266df0 19 * limitations under the License.
DiegoOstuni 0:98fcd1266df0 20 *
DiegoOstuni 0:98fcd1266df0 21 ******************************************************************************/
DiegoOstuni 0:98fcd1266df0 22
DiegoOstuni 0:98fcd1266df0 23
DiegoOstuni 0:98fcd1266df0 24 /*
DiegoOstuni 0:98fcd1266df0 25 * PROJECT: ST25R3911 firmware
DiegoOstuni 0:98fcd1266df0 26 * $Revision: $
DiegoOstuni 0:98fcd1266df0 27 * LANGUAGE: ISO C99
DiegoOstuni 0:98fcd1266df0 28 */
DiegoOstuni 0:98fcd1266df0 29
DiegoOstuni 0:98fcd1266df0 30 /*! \file
DiegoOstuni 0:98fcd1266df0 31 *
DiegoOstuni 0:98fcd1266df0 32 * \author Ulrich Herrmann
DiegoOstuni 0:98fcd1266df0 33 *
DiegoOstuni 0:98fcd1266df0 34 * \brief ST25R3911 high level interface
DiegoOstuni 0:98fcd1266df0 35 *
DiegoOstuni 0:98fcd1266df0 36 */
DiegoOstuni 0:98fcd1266df0 37
DiegoOstuni 0:98fcd1266df0 38 /*
DiegoOstuni 0:98fcd1266df0 39 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 40 * INCLUDES
DiegoOstuni 0:98fcd1266df0 41 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 42 */
DiegoOstuni 0:98fcd1266df0 43
DiegoOstuni 0:98fcd1266df0 44 #include "ST25R3911.h"
DiegoOstuni 0:98fcd1266df0 45 #include "st25r3911_com.h"
DiegoOstuni 0:98fcd1266df0 46 #include "st25r3911_interrupt.h"
DiegoOstuni 0:98fcd1266df0 47
DiegoOstuni 0:98fcd1266df0 48
DiegoOstuni 0:98fcd1266df0 49
DiegoOstuni 0:98fcd1266df0 50 #include "stdio.h"
DiegoOstuni 0:98fcd1266df0 51 #include <limits.h>
DiegoOstuni 0:98fcd1266df0 52
DiegoOstuni 0:98fcd1266df0 53
DiegoOstuni 0:98fcd1266df0 54
DiegoOstuni 0:98fcd1266df0 55
DiegoOstuni 0:98fcd1266df0 56 /*
DiegoOstuni 0:98fcd1266df0 57 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 58 * LOCAL VARIABLES
DiegoOstuni 0:98fcd1266df0 59 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 60 */
DiegoOstuni 0:98fcd1266df0 61 static uint32_t st25r3911NoResponseTime_64fcs;
DiegoOstuni 0:98fcd1266df0 62 typedef uint16_t ReturnCode; //eeeee.... st_errno.h
DiegoOstuni 0:98fcd1266df0 63 #ifdef ST25R391X_COM_SINGLETXRX
DiegoOstuni 0:98fcd1266df0 64 static uint8_t comBuf[ST25R3911_BUF_LEN];
DiegoOstuni 0:98fcd1266df0 65 #endif /* ST25R391X_COM_SINGLETXRX */
DiegoOstuni 0:98fcd1266df0 66
DiegoOstuni 0:98fcd1266df0 67 /*
DiegoOstuni 0:98fcd1266df0 68 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 69 * LOCAL FUNCTION PROTOTYPES
DiegoOstuni 0:98fcd1266df0 70 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 71 */
DiegoOstuni 0:98fcd1266df0 72 static ReturnCode st25r3911ExecuteCommandAndGetResult(uint8_t cmd, uint8_t resreg, uint8_t sleeptime, 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 );
DiegoOstuni 0:98fcd1266df0 73
DiegoOstuni 0:98fcd1266df0 74
DiegoOstuni 0:98fcd1266df0 75 static inline void st25r3911CheckFieldSetLED(uint8_t val, DigitalOut* fieldLED_01, DigitalOut* fieldLED_02, DigitalOut* fieldLED_03, DigitalOut* fieldLED_04, DigitalOut* fieldLED_05, DigitalOut* fieldLED_06 )
DiegoOstuni 0:98fcd1266df0 76 {
DiegoOstuni 0:98fcd1266df0 77 if (ST25R3911_REG_OP_CONTROL_tx_en & val)
DiegoOstuni 0:98fcd1266df0 78 {
DiegoOstuni 0:98fcd1266df0 79 fieldLED_06 -> write(1);
DiegoOstuni 0:98fcd1266df0 80
DiegoOstuni 0:98fcd1266df0 81 }
DiegoOstuni 0:98fcd1266df0 82 else
DiegoOstuni 0:98fcd1266df0 83 {
DiegoOstuni 0:98fcd1266df0 84 fieldLED_06 -> write(0);
DiegoOstuni 0:98fcd1266df0 85 }
DiegoOstuni 0:98fcd1266df0 86
DiegoOstuni 0:98fcd1266df0 87 }
DiegoOstuni 0:98fcd1266df0 88 /*
DiegoOstuni 0:98fcd1266df0 89 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 90 * GLOBAL FUNCTIONS
DiegoOstuni 0:98fcd1266df0 91 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 92 */
DiegoOstuni 0:98fcd1266df0 93
DiegoOstuni 0:98fcd1266df0 94 /*!
DiegoOstuni 0:98fcd1266df0 95 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 96 * \brief Returns the content of a register within the ST25R3911
DiegoOstuni 0:98fcd1266df0 97 *
DiegoOstuni 0:98fcd1266df0 98 * This function is used to read out the content of ST25R3911 registers.
DiegoOstuni 0:98fcd1266df0 99 *
DiegoOstuni 0:98fcd1266df0 100 * \param[in] reg: Address of register to read.
DiegoOstuni 0:98fcd1266df0 101 * \param[out] val: Returned value.
DiegoOstuni 0:98fcd1266df0 102 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 103 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 104 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 105 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 106 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 107 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 108 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 109 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 110 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 111 *
DiegoOstuni 0:98fcd1266df0 112 *
DiegoOstuni 0:98fcd1266df0 113 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 114 */
DiegoOstuni 0:98fcd1266df0 115
DiegoOstuni 0:98fcd1266df0 116 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 117 {
DiegoOstuni 0:98fcd1266df0 118
DiegoOstuni 0:98fcd1266df0 119 uint8_t buf[2];
DiegoOstuni 0:98fcd1266df0 120 uint8_t buf_rx[2];
DiegoOstuni 0:98fcd1266df0 121 buf_rx[0] = 0;
DiegoOstuni 0:98fcd1266df0 122 buf_rx[1] = 0;
DiegoOstuni 0:98fcd1266df0 123
DiegoOstuni 0:98fcd1266df0 124
DiegoOstuni 0:98fcd1266df0 125 buf[0] = (reg | ST25R3911_READ_MODE);
DiegoOstuni 0:98fcd1266df0 126 buf[1] = 0;
DiegoOstuni 0:98fcd1266df0 127
DiegoOstuni 0:98fcd1266df0 128 IRQ->disable_irq();
DiegoOstuni 0:98fcd1266df0 129 *gpio_cs = 0;
DiegoOstuni 0:98fcd1266df0 130 wait_us(50);
DiegoOstuni 0:98fcd1266df0 131 mspiChannel -> write((const char *)(buf) ,2 , (char*)(buf_rx) , 2);
DiegoOstuni 0:98fcd1266df0 132 *gpio_cs = 1;
DiegoOstuni 0:98fcd1266df0 133 IRQ->enable_irq();
DiegoOstuni 0:98fcd1266df0 134
DiegoOstuni 0:98fcd1266df0 135
DiegoOstuni 0:98fcd1266df0 136
DiegoOstuni 0:98fcd1266df0 137 if(val != NULL)
DiegoOstuni 0:98fcd1266df0 138 {
DiegoOstuni 0:98fcd1266df0 139 *val = buf_rx[1];
DiegoOstuni 0:98fcd1266df0 140 }
DiegoOstuni 0:98fcd1266df0 141
DiegoOstuni 0:98fcd1266df0 142 }
DiegoOstuni 0:98fcd1266df0 143
DiegoOstuni 0:98fcd1266df0 144 /*!
DiegoOstuni 0:98fcd1266df0 145 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 146 * \brief Writes a given value to a register within the ST25R3911
DiegoOstuni 0:98fcd1266df0 147 *
DiegoOstuni 0:98fcd1266df0 148 * This function is used to write \a val to address \a reg within the ST25R3911.
DiegoOstuni 0:98fcd1266df0 149 *
DiegoOstuni 0:98fcd1266df0 150 * \param[in] reg: Address of the register to write.
DiegoOstuni 0:98fcd1266df0 151 * \param[in] val: Value to be written.
DiegoOstuni 0:98fcd1266df0 152 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 153 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 154 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 155 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 156 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 157 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 158 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 159 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 160 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 161 *
DiegoOstuni 0:98fcd1266df0 162 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 163 */
DiegoOstuni 0:98fcd1266df0 164
DiegoOstuni 0:98fcd1266df0 165
DiegoOstuni 0:98fcd1266df0 166 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 167 {
DiegoOstuni 0:98fcd1266df0 168
DiegoOstuni 0:98fcd1266df0 169 uint8_t buf[2];
DiegoOstuni 0:98fcd1266df0 170
DiegoOstuni 0:98fcd1266df0 171 buf[0] = reg | ST25R3911_WRITE_MODE;
DiegoOstuni 0:98fcd1266df0 172 buf[1] = val;
DiegoOstuni 0:98fcd1266df0 173
DiegoOstuni 0:98fcd1266df0 174 if (ST25R3911_REG_OP_CONTROL == reg)
DiegoOstuni 0:98fcd1266df0 175 {
DiegoOstuni 0:98fcd1266df0 176 st25r3911CheckFieldSetLED(val, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 177 }
DiegoOstuni 0:98fcd1266df0 178
DiegoOstuni 0:98fcd1266df0 179 IRQ->disable_irq();
DiegoOstuni 0:98fcd1266df0 180 *gpio_cs = 0;
DiegoOstuni 0:98fcd1266df0 181 wait_us(50);
DiegoOstuni 0:98fcd1266df0 182 mspiChannel -> write((const char *)(buf) ,2, NULL , NULL);
DiegoOstuni 0:98fcd1266df0 183 *gpio_cs = 1;
DiegoOstuni 0:98fcd1266df0 184 IRQ->enable_irq();
DiegoOstuni 0:98fcd1266df0 185
DiegoOstuni 0:98fcd1266df0 186
DiegoOstuni 0:98fcd1266df0 187 }
DiegoOstuni 0:98fcd1266df0 188
DiegoOstuni 0:98fcd1266df0 189
DiegoOstuni 0:98fcd1266df0 190
DiegoOstuni 0:98fcd1266df0 191 /*!
DiegoOstuni 0:98fcd1266df0 192 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 193 * \brief Reads from multiple ST25R3911 registers
DiegoOstuni 0:98fcd1266df0 194 *
DiegoOstuni 0:98fcd1266df0 195 * This function is used to read from multiple registers using the
DiegoOstuni 0:98fcd1266df0 196 * auto-increment feature. That is, after each read the address pointer
DiegoOstuni 0:98fcd1266df0 197 * inside the ST25R3911 gets incremented automatically.
DiegoOstuni 0:98fcd1266df0 198 *
DiegoOstuni 0:98fcd1266df0 199 * \param[in] reg: Address of the frist register to read from.
DiegoOstuni 0:98fcd1266df0 200 * \param[in] values: pointer to a buffer where the result shall be written to.
DiegoOstuni 0:98fcd1266df0 201 * \param[in] length: Number of registers to be read out.
DiegoOstuni 0:98fcd1266df0 202 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 203 * \param[in] mST25: Object of the ST25 chip
DiegoOstuni 0:98fcd1266df0 204 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 205 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 206 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 207 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 208 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 209 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 210 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 211 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 212 *
DiegoOstuni 0:98fcd1266df0 213 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 214 */
DiegoOstuni 0:98fcd1266df0 215
DiegoOstuni 0:98fcd1266df0 216
DiegoOstuni 0:98fcd1266df0 217 void ST25R3911::readMultipleRegisters(uint8_t reg, uint8_t* val, 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 )
DiegoOstuni 0:98fcd1266df0 218 {
DiegoOstuni 0:98fcd1266df0 219
DiegoOstuni 0:98fcd1266df0 220 uint8_t cmd = (reg | ST25R3911_READ_MODE);
DiegoOstuni 0:98fcd1266df0 221 uint8_t index = 0;
DiegoOstuni 0:98fcd1266df0 222
DiegoOstuni 0:98fcd1266df0 223
DiegoOstuni 0:98fcd1266df0 224 if (length > 0)
DiegoOstuni 0:98fcd1266df0 225 {
DiegoOstuni 0:98fcd1266df0 226 /* make this operation atomic */
DiegoOstuni 0:98fcd1266df0 227 for(index = 0; index < length; index ++)
DiegoOstuni 0:98fcd1266df0 228 {
DiegoOstuni 0:98fcd1266df0 229
DiegoOstuni 0:98fcd1266df0 230 mST25 -> readRegister(cmd + index, (val + index), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 231
DiegoOstuni 0:98fcd1266df0 232 }
DiegoOstuni 0:98fcd1266df0 233 }
DiegoOstuni 0:98fcd1266df0 234
DiegoOstuni 0:98fcd1266df0 235
DiegoOstuni 0:98fcd1266df0 236 }
DiegoOstuni 0:98fcd1266df0 237
DiegoOstuni 0:98fcd1266df0 238 /*!
DiegoOstuni 0:98fcd1266df0 239 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 240 * \brief Writes multiple values to ST25R3911 registers
DiegoOstuni 0:98fcd1266df0 241 *
DiegoOstuni 0:98fcd1266df0 242 * This function is used to write multiple values to the ST25R3911 using the
DiegoOstuni 0:98fcd1266df0 243 * auto-increment feature. That is, after each write the address pointer
DiegoOstuni 0:98fcd1266df0 244 * inside the ST25R3911 gets incremented automatically.
DiegoOstuni 0:98fcd1266df0 245 *
DiegoOstuni 0:98fcd1266df0 246 * \param[in] reg: Address of the frist register to write.
DiegoOstuni 0:98fcd1266df0 247 * \param[in] values: pointer to a buffer containing the values to be written.
DiegoOstuni 0:98fcd1266df0 248 * \param[in] length: Number of values to be written.
DiegoOstuni 0:98fcd1266df0 249 * \param[in] mST25: Object of the ST25 chip
DiegoOstuni 0:98fcd1266df0 250 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 251 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 252 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 253 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 254 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 255 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 256 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 257 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 258 *
DiegoOstuni 0:98fcd1266df0 259 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 260 */
DiegoOstuni 0:98fcd1266df0 261
DiegoOstuni 0:98fcd1266df0 262 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 263 {
DiegoOstuni 0:98fcd1266df0 264
DiegoOstuni 0:98fcd1266df0 265 uint8_t cmd = (reg | ST25R3911_WRITE_MODE);
DiegoOstuni 0:98fcd1266df0 266 uint8_t index = 0;
DiegoOstuni 0:98fcd1266df0 267
DiegoOstuni 0:98fcd1266df0 268 if (reg <= ST25R3911_REG_OP_CONTROL && reg+length >= ST25R3911_REG_OP_CONTROL)
DiegoOstuni 0:98fcd1266df0 269 {
DiegoOstuni 0:98fcd1266df0 270 st25r3911CheckFieldSetLED(values[ST25R3911_REG_OP_CONTROL-reg], fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 271 }
DiegoOstuni 0:98fcd1266df0 272
DiegoOstuni 0:98fcd1266df0 273 if (length > 0)
DiegoOstuni 0:98fcd1266df0 274 {
DiegoOstuni 0:98fcd1266df0 275 /* make this operation atomic */
DiegoOstuni 0:98fcd1266df0 276 for(index = 0; index < length; index ++)
DiegoOstuni 0:98fcd1266df0 277 {
DiegoOstuni 0:98fcd1266df0 278 mST25 -> writeRegister(cmd + index, *(values + index), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 279 }
DiegoOstuni 0:98fcd1266df0 280 }
DiegoOstuni 0:98fcd1266df0 281
DiegoOstuni 0:98fcd1266df0 282 }
DiegoOstuni 0:98fcd1266df0 283
DiegoOstuni 0:98fcd1266df0 284 /*!
DiegoOstuni 0:98fcd1266df0 285 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 286 * \brief Execute a direct command
DiegoOstuni 0:98fcd1266df0 287 *
DiegoOstuni 0:98fcd1266df0 288 * This function is used to start so-called direct command. These commands
DiegoOstuni 0:98fcd1266df0 289 * are implemented inside the chip and each command has unique code (see
DiegoOstuni 0:98fcd1266df0 290 * datasheet).
DiegoOstuni 0:98fcd1266df0 291 *
DiegoOstuni 0:98fcd1266df0 292 * \param[in] cmd : code of the direct command to be executed.
DiegoOstuni 0:98fcd1266df0 293 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 294 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 295 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 296 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 297 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 298 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 299 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 300 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 301 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 302 *
DiegoOstuni 0:98fcd1266df0 303 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 304 */
DiegoOstuni 0:98fcd1266df0 305
DiegoOstuni 0:98fcd1266df0 306 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 307 {
DiegoOstuni 0:98fcd1266df0 308
DiegoOstuni 0:98fcd1266df0 309 uint8_t reg[1];
DiegoOstuni 0:98fcd1266df0 310 reg[0] = cmd;
DiegoOstuni 0:98fcd1266df0 311
DiegoOstuni 0:98fcd1266df0 312 if ( cmd >= ST25R3911_CMD_TRANSMIT_WITH_CRC && cmd <= ST25R3911_CMD_RESPONSE_RF_COLLISION_0)
DiegoOstuni 0:98fcd1266df0 313 {
DiegoOstuni 0:98fcd1266df0 314 fieldLED_06 -> write(0);
DiegoOstuni 0:98fcd1266df0 315 }
DiegoOstuni 0:98fcd1266df0 316
DiegoOstuni 0:98fcd1266df0 317 IRQ->disable_irq();
DiegoOstuni 0:98fcd1266df0 318 *gpio_cs = 0;
DiegoOstuni 0:98fcd1266df0 319 wait_us(50);
DiegoOstuni 0:98fcd1266df0 320 mspiChannel -> write(( const char *)(reg), ST25R3911_CMD_LEN, NULL , NULL);
DiegoOstuni 0:98fcd1266df0 321 *gpio_cs = 1;
DiegoOstuni 0:98fcd1266df0 322 IRQ->enable_irq();
DiegoOstuni 0:98fcd1266df0 323
DiegoOstuni 0:98fcd1266df0 324
DiegoOstuni 0:98fcd1266df0 325 return;
DiegoOstuni 0:98fcd1266df0 326 }
DiegoOstuni 0:98fcd1266df0 327
DiegoOstuni 0:98fcd1266df0 328 /*!
DiegoOstuni 0:98fcd1266df0 329 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 330 * \brief Execute several direct commands
DiegoOstuni 0:98fcd1266df0 331 *
DiegoOstuni 0:98fcd1266df0 332 * This function is used to start so-called direct command. These commands
DiegoOstuni 0:98fcd1266df0 333 * are implemented inside the chip and each command has unique code (see
DiegoOstuni 0:98fcd1266df0 334 * datasheet).
DiegoOstuni 0:98fcd1266df0 335 *
DiegoOstuni 0:98fcd1266df0 336 * \param[in] cmds : codes of the direct command to be executed.
DiegoOstuni 0:98fcd1266df0 337 * \param[in] length : number of commands to be executed
DiegoOstuni 0:98fcd1266df0 338 * \param[in] mST25: Object of the ST25 chip
DiegoOstuni 0:98fcd1266df0 339 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 340 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 341 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 342 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 343 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 344 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 345 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 346 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 347 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 348 *
DiegoOstuni 0:98fcd1266df0 349 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 350 */
DiegoOstuni 0:98fcd1266df0 351
DiegoOstuni 0:98fcd1266df0 352
DiegoOstuni 0:98fcd1266df0 353 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 354 {
DiegoOstuni 0:98fcd1266df0 355
DiegoOstuni 0:98fcd1266df0 356 uint8_t index;
DiegoOstuni 0:98fcd1266df0 357
DiegoOstuni 0:98fcd1266df0 358 for(index = 0; index < length; index++)
DiegoOstuni 0:98fcd1266df0 359 {
DiegoOstuni 0:98fcd1266df0 360 mST25 -> executeCommand(*cmds, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 361 *cmds++;
DiegoOstuni 0:98fcd1266df0 362 }
DiegoOstuni 0:98fcd1266df0 363
DiegoOstuni 0:98fcd1266df0 364 return;
DiegoOstuni 0:98fcd1266df0 365 }
DiegoOstuni 0:98fcd1266df0 366
DiegoOstuni 0:98fcd1266df0 367
DiegoOstuni 0:98fcd1266df0 368
DiegoOstuni 0:98fcd1266df0 369
DiegoOstuni 0:98fcd1266df0 370
DiegoOstuni 0:98fcd1266df0 371 /*!
DiegoOstuni 0:98fcd1266df0 372 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 373 * \brief Writes values to ST25R3911 FIFO
DiegoOstuni 0:98fcd1266df0 374 *
DiegoOstuni 0:98fcd1266df0 375 * This function needs to be called in order to write to the ST25R3911 FIFO.
DiegoOstuni 0:98fcd1266df0 376 *
DiegoOstuni 0:98fcd1266df0 377 * \param[in] values: pointer to a buffer containing the values to be written
DiegoOstuni 0:98fcd1266df0 378 * to the FIFO.
DiegoOstuni 0:98fcd1266df0 379 * \param[in] length: Number of values to be written.
DiegoOstuni 0:98fcd1266df0 380 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 381 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 382 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 383 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 384 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 385 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 386 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 387 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 388 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 389 *
DiegoOstuni 0:98fcd1266df0 390 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 391 */
DiegoOstuni 0:98fcd1266df0 392
DiegoOstuni 0:98fcd1266df0 393
DiegoOstuni 0:98fcd1266df0 394
DiegoOstuni 0:98fcd1266df0 395 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 396 {
DiegoOstuni 0:98fcd1266df0 397
DiegoOstuni 0:98fcd1266df0 398 if (length > 0)
DiegoOstuni 0:98fcd1266df0 399 {
DiegoOstuni 0:98fcd1266df0 400
DiegoOstuni 0:98fcd1266df0 401 uint8_t cmd = ST25R3911_FIFO_LOAD;
DiegoOstuni 0:98fcd1266df0 402 uint8_t values[length + 1];
DiegoOstuni 0:98fcd1266df0 403 values[0] = cmd;
DiegoOstuni 0:98fcd1266df0 404 for(int i = 0 ; i < length; i++)
DiegoOstuni 0:98fcd1266df0 405 values[i + 1] = *(val + i);
DiegoOstuni 0:98fcd1266df0 406
DiegoOstuni 0:98fcd1266df0 407 IRQ->disable_irq();
DiegoOstuni 0:98fcd1266df0 408 *gpio_cs = 0;
DiegoOstuni 0:98fcd1266df0 409 wait_us(50);
DiegoOstuni 0:98fcd1266df0 410 mspiChannel -> write( (const char *)values , length + 1, NULL , NULL);
DiegoOstuni 0:98fcd1266df0 411 *gpio_cs = 1;
DiegoOstuni 0:98fcd1266df0 412 IRQ->enable_irq();
DiegoOstuni 0:98fcd1266df0 413
DiegoOstuni 0:98fcd1266df0 414 }
DiegoOstuni 0:98fcd1266df0 415
DiegoOstuni 0:98fcd1266df0 416 return;
DiegoOstuni 0:98fcd1266df0 417 }
DiegoOstuni 0:98fcd1266df0 418
DiegoOstuni 0:98fcd1266df0 419 /*!
DiegoOstuni 0:98fcd1266df0 420 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 421 * \brief Read values from ST25R3911 FIFO
DiegoOstuni 0:98fcd1266df0 422 *
DiegoOstuni 0:98fcd1266df0 423 * This function needs to be called in order to read from ST25R3911 FIFO.
DiegoOstuni 0:98fcd1266df0 424 *
DiegoOstuni 0:98fcd1266df0 425 * \param[out] buf: pointer to a buffer where the FIFO content shall be
DiegoOstuni 0:98fcd1266df0 426 * written to.
DiegoOstuni 0:98fcd1266df0 427 * \param[in] length: Number of bytes to read. (= size of \a buf)
DiegoOstuni 0:98fcd1266df0 428 * \note: This function doesn't check whether \a length is really the
DiegoOstuni 0:98fcd1266df0 429 * number of available bytes in FIFO
DiegoOstuni 0:98fcd1266df0 430 * \param[in] mspiChannel: Channel of the SPI
DiegoOstuni 0:98fcd1266df0 431 * \param[in] gpio_cs: Chip Select of the SPI
DiegoOstuni 0:98fcd1266df0 432 * \param[in] IRQ: Interrupt line. Not implemented, It is a polling application.
DiegoOstuni 0:98fcd1266df0 433 * \param[out] fieldLED_01: Digital Output of the LED1
DiegoOstuni 0:98fcd1266df0 434 * \param[out] fieldLED_02: Digital Output of the LED2
DiegoOstuni 0:98fcd1266df0 435 * \param[out] fieldLED_03: Digital Output of the LED3
DiegoOstuni 0:98fcd1266df0 436 * \param[out] fieldLED_04: Digital Output of the LED4
DiegoOstuni 0:98fcd1266df0 437 * \param[out] fieldLED_05: Digital Output of the LED5
DiegoOstuni 0:98fcd1266df0 438 * \param[out] fieldLED_06: Digital Output of the LED6
DiegoOstuni 0:98fcd1266df0 439 *
DiegoOstuni 0:98fcd1266df0 440 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 441 */
DiegoOstuni 0:98fcd1266df0 442
DiegoOstuni 0:98fcd1266df0 443 void ST25R3911::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 )
DiegoOstuni 0:98fcd1266df0 444 {
DiegoOstuni 0:98fcd1266df0 445 if (length > 0)
DiegoOstuni 0:98fcd1266df0 446 {
DiegoOstuni 0:98fcd1266df0 447
DiegoOstuni 0:98fcd1266df0 448 uint8_t cmd[2];
DiegoOstuni 0:98fcd1266df0 449 cmd[0] = ST25R3911_FIFO_READ;
DiegoOstuni 0:98fcd1266df0 450 cmd[1] = 0;
DiegoOstuni 0:98fcd1266df0 451
DiegoOstuni 0:98fcd1266df0 452 IRQ->disable_irq();
DiegoOstuni 0:98fcd1266df0 453 *gpio_cs = 0;
DiegoOstuni 0:98fcd1266df0 454 wait_us(50);
DiegoOstuni 0:98fcd1266df0 455 mspiChannel -> write((const char *)cmd, ST25R3911_CMD_LEN, NULL, NULL);
DiegoOstuni 0:98fcd1266df0 456 mspiChannel -> write(NULL, NULL, (char *)buf, length);
DiegoOstuni 0:98fcd1266df0 457 *gpio_cs = 1;
DiegoOstuni 0:98fcd1266df0 458 IRQ->enable_irq();
DiegoOstuni 0:98fcd1266df0 459
DiegoOstuni 0:98fcd1266df0 460 }
DiegoOstuni 0:98fcd1266df0 461
DiegoOstuni 0:98fcd1266df0 462
DiegoOstuni 0:98fcd1266df0 463
DiegoOstuni 0:98fcd1266df0 464 return ;
DiegoOstuni 0:98fcd1266df0 465 }
DiegoOstuni 0:98fcd1266df0 466
DiegoOstuni 0:98fcd1266df0 467
DiegoOstuni 0:98fcd1266df0 468
DiegoOstuni 0:98fcd1266df0 469 ////////////////////////////////
DiegoOstuni 0:98fcd1266df0 470 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 )
DiegoOstuni 0:98fcd1266df0 471 {
DiegoOstuni 0:98fcd1266df0 472 st25r3911SetRegisterBits(ST25R3911_REG_OP_CONTROL, (ST25R3911_REG_OP_CONTROL_rx_en | ST25R3911_REG_OP_CONTROL_tx_en), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 473 }
DiegoOstuni 0:98fcd1266df0 474
DiegoOstuni 0:98fcd1266df0 475 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 )
DiegoOstuni 0:98fcd1266df0 476 {
DiegoOstuni 0:98fcd1266df0 477 st25r3911ClrRegisterBits(ST25R3911_REG_OP_CONTROL, (ST25R3911_REG_OP_CONTROL_rx_en | ST25R3911_REG_OP_CONTROL_tx_en), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 478 }
DiegoOstuni 0:98fcd1266df0 479
DiegoOstuni 0:98fcd1266df0 480
DiegoOstuni 0:98fcd1266df0 481 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 )
DiegoOstuni 0:98fcd1266df0 482 {
DiegoOstuni 0:98fcd1266df0 483 uint8_t reg = 0;
DiegoOstuni 0:98fcd1266df0 484
DiegoOstuni 0:98fcd1266df0 485 /* Make sure that oscillator is turned on and stable */
DiegoOstuni 0:98fcd1266df0 486 mST25 -> readRegister( ST25R3911_REG_OP_CONTROL, &reg, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 487
DiegoOstuni 0:98fcd1266df0 488 /* Use ST25R3911_REG_OP_CONTROL_en instead of ST25R3911_REG_AUX_DISPLAY_osc_ok to be on the safe side */
DiegoOstuni 0:98fcd1266df0 489 if (!(ST25R3911_REG_OP_CONTROL_en & reg))
DiegoOstuni 0:98fcd1266df0 490 {
DiegoOstuni 0:98fcd1266df0 491 /* enable oscillator frequency stable interrupt */
DiegoOstuni 0:98fcd1266df0 492 st25r3911EnableInterrupts(ST25R3911_IRQ_MASK_OSC, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 493
DiegoOstuni 0:98fcd1266df0 494 /* enable oscillator and regulator output */
DiegoOstuni 0:98fcd1266df0 495 st25r3911ModifyRegister(ST25R3911_REG_OP_CONTROL, 0x00, ST25R3911_REG_OP_CONTROL_en, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 496
DiegoOstuni 0:98fcd1266df0 497 /* wait for the oscillator interrupt */
DiegoOstuni 0:98fcd1266df0 498 st25r3911WaitForInterruptsTimed(ST25R3911_IRQ_MASK_OSC, ST25R3911_OSC_STABLE_TIMEOUT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 499 st25r3911DisableInterrupts(ST25R3911_IRQ_MASK_OSC, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 500 }
DiegoOstuni 0:98fcd1266df0 501
DiegoOstuni 0:98fcd1266df0 502 } /* st25r3911OscOn() */
DiegoOstuni 0:98fcd1266df0 503
DiegoOstuni 0:98fcd1266df0 504
DiegoOstuni 0:98fcd1266df0 505 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 )
DiegoOstuni 0:98fcd1266df0 506 {
DiegoOstuni 0:98fcd1266df0 507
DiegoOstuni 0:98fcd1266df0 508
DiegoOstuni 0:98fcd1266df0 509 uint16_t vdd_mV;
DiegoOstuni 0:98fcd1266df0 510
DiegoOstuni 0:98fcd1266df0 511
DiegoOstuni 0:98fcd1266df0 512
DiegoOstuni 0:98fcd1266df0 513 /* first, reset the st25r3911 */
DiegoOstuni 0:98fcd1266df0 514 mST25 -> executeCommand(ST25R3911_CMD_SET_DEFAULT, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 515
DiegoOstuni 0:98fcd1266df0 516
DiegoOstuni 0:98fcd1266df0 517 /* enable pull downs on miso line */
DiegoOstuni 0:98fcd1266df0 518 st25r3911ModifyRegister(ST25R3911_REG_IO_CONF2, 0,
DiegoOstuni 0:98fcd1266df0 519 ST25R3911_REG_IO_CONF2_miso_pd1 |
DiegoOstuni 0:98fcd1266df0 520 ST25R3911_REG_IO_CONF2_miso_pd2, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 521
DiegoOstuni 0:98fcd1266df0 522 /* after reset all interrupts are enabled. so disable them at first */
DiegoOstuni 0:98fcd1266df0 523 st25r3911DisableInterrupts(ST25R3911_IRQ_MASK_ALL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 524 /* and clear them, just to be sure... */
DiegoOstuni 0:98fcd1266df0 525 st25r3911ClearInterrupts( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 526
DiegoOstuni 0:98fcd1266df0 527 /* trim settings for VHBR board, will anyway changed later on */
DiegoOstuni 0:98fcd1266df0 528 mST25 -> writeRegister(ST25R3911_REG_ANT_CAL_TARGET, 0x80, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 529
DiegoOstuni 0:98fcd1266df0 530 st25r3911OscOn( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 531
DiegoOstuni 0:98fcd1266df0 532 /* Measure vdd and set sup3V bit accordingly */
DiegoOstuni 0:98fcd1266df0 533 vdd_mV = st25r3911MeasureVoltage(ST25R3911_REG_REGULATOR_CONTROL_mpsv_vdd, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 534
DiegoOstuni 0:98fcd1266df0 535 st25r3911ModifyRegister(ST25R3911_REG_IO_CONF2,
DiegoOstuni 0:98fcd1266df0 536 ST25R3911_REG_IO_CONF2_sup3V,
DiegoOstuni 0:98fcd1266df0 537 (vdd_mV < 3600)?ST25R3911_REG_IO_CONF2_sup3V:0, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 538
DiegoOstuni 0:98fcd1266df0 539 /* Make sure Transmitter and Receiver are disabled */
DiegoOstuni 0:98fcd1266df0 540 st25r3911TxRxOff( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 541
DiegoOstuni 0:98fcd1266df0 542 return;
DiegoOstuni 0:98fcd1266df0 543 }
DiegoOstuni 0:98fcd1266df0 544
DiegoOstuni 0:98fcd1266df0 545 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 )
DiegoOstuni 0:98fcd1266df0 546 {
DiegoOstuni 0:98fcd1266df0 547 st25r3911DisableInterrupts(ST25R3911_IRQ_MASK_ALL, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 548
DiegoOstuni 0:98fcd1266df0 549 /* Disabe Tx and Rx, Keep OSC */
DiegoOstuni 0:98fcd1266df0 550 st25r3911TxRxOff( mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 551
DiegoOstuni 0:98fcd1266df0 552 return;
DiegoOstuni 0:98fcd1266df0 553 }
DiegoOstuni 0:98fcd1266df0 554
DiegoOstuni 0:98fcd1266df0 555 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 )
DiegoOstuni 0:98fcd1266df0 556 {
DiegoOstuni 0:98fcd1266df0 557 uint8_t result;
DiegoOstuni 0:98fcd1266df0 558 uint8_t io_conf2;
DiegoOstuni 0:98fcd1266df0 559 ReturnCode err = ERR_NONE;
DiegoOstuni 0:98fcd1266df0 560
DiegoOstuni 0:98fcd1266df0 561 /* first check the status of the reg_s bit in ST25R3911_REG_VREG_DEF register.
DiegoOstuni 0:98fcd1266df0 562 if this bit is set adjusting the regulators is not allowed */
DiegoOstuni 0:98fcd1266df0 563 mST25 -> readRegister(ST25R3911_REG_REGULATOR_CONTROL, &result, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 564
DiegoOstuni 0:98fcd1266df0 565 if (result & ST25R3911_REG_REGULATOR_CONTROL_reg_s)
DiegoOstuni 0:98fcd1266df0 566 {
DiegoOstuni 0:98fcd1266df0 567 return ERR_REQUEST;
DiegoOstuni 0:98fcd1266df0 568 }
DiegoOstuni 0:98fcd1266df0 569
DiegoOstuni 0:98fcd1266df0 570 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_ADJUST_REGULATORS,
DiegoOstuni 0:98fcd1266df0 571 ST25R3911_REG_REGULATOR_RESULT,
DiegoOstuni 0:98fcd1266df0 572 5,
DiegoOstuni 0:98fcd1266df0 573 &result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 574 mST25 -> readRegister(ST25R3911_REG_IO_CONF2, &io_conf2, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 575
DiegoOstuni 0:98fcd1266df0 576 result >>= ST25R3911_REG_REGULATOR_RESULT_shift_reg;
DiegoOstuni 0:98fcd1266df0 577 result -= 5;
DiegoOstuni 0:98fcd1266df0 578 if (result_mV)
DiegoOstuni 0:98fcd1266df0 579 {
DiegoOstuni 0:98fcd1266df0 580 if(io_conf2 & ST25R3911_REG_IO_CONF2_sup3V)
DiegoOstuni 0:98fcd1266df0 581 {
DiegoOstuni 0:98fcd1266df0 582 *result_mV = 2400;
DiegoOstuni 0:98fcd1266df0 583 *result_mV += result * 100;
DiegoOstuni 0:98fcd1266df0 584 }
DiegoOstuni 0:98fcd1266df0 585 else
DiegoOstuni 0:98fcd1266df0 586 {
DiegoOstuni 0:98fcd1266df0 587 *result_mV = 3900;
DiegoOstuni 0:98fcd1266df0 588 *result_mV += result * 120;
DiegoOstuni 0:98fcd1266df0 589 }
DiegoOstuni 0:98fcd1266df0 590 }
DiegoOstuni 0:98fcd1266df0 591 return err;
DiegoOstuni 0:98fcd1266df0 592 }
DiegoOstuni 0:98fcd1266df0 593
DiegoOstuni 0:98fcd1266df0 594 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 )
DiegoOstuni 0:98fcd1266df0 595 {
DiegoOstuni 0:98fcd1266df0 596 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_MEASURE_AMPLITUDE,
DiegoOstuni 0:98fcd1266df0 597 ST25R3911_REG_AD_RESULT,
DiegoOstuni 0:98fcd1266df0 598 10,
DiegoOstuni 0:98fcd1266df0 599 result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 600 }
DiegoOstuni 0:98fcd1266df0 601
DiegoOstuni 0:98fcd1266df0 602 void st25r3911MeasureCapacitance(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 )
DiegoOstuni 0:98fcd1266df0 603 {
DiegoOstuni 0:98fcd1266df0 604 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_MEASURE_CAPACITANCE,
DiegoOstuni 0:98fcd1266df0 605 ST25R3911_REG_AD_RESULT,
DiegoOstuni 0:98fcd1266df0 606 10,
DiegoOstuni 0:98fcd1266df0 607 result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 608 }
DiegoOstuni 0:98fcd1266df0 609
DiegoOstuni 0:98fcd1266df0 610 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 )
DiegoOstuni 0:98fcd1266df0 611 {
DiegoOstuni 0:98fcd1266df0 612 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_MEASURE_PHASE,
DiegoOstuni 0:98fcd1266df0 613 ST25R3911_REG_AD_RESULT,
DiegoOstuni 0:98fcd1266df0 614 10,
DiegoOstuni 0:98fcd1266df0 615 result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 616 }
DiegoOstuni 0:98fcd1266df0 617
DiegoOstuni 0:98fcd1266df0 618 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 )
DiegoOstuni 0:98fcd1266df0 619 {
DiegoOstuni 0:98fcd1266df0 620 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_CALIBRATE_ANTENNA,
DiegoOstuni 0:98fcd1266df0 621 ST25R3911_REG_ANT_CAL_RESULT,
DiegoOstuni 0:98fcd1266df0 622 10,
DiegoOstuni 0:98fcd1266df0 623 result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 624 }
DiegoOstuni 0:98fcd1266df0 625
DiegoOstuni 0:98fcd1266df0 626 void st25r3911CalibrateModulationDepth(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 )
DiegoOstuni 0:98fcd1266df0 627 {
DiegoOstuni 0:98fcd1266df0 628 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_CALIBRATE_MODULATION,
DiegoOstuni 0:98fcd1266df0 629 ST25R3911_REG_AM_MOD_DEPTH_RESULT,
DiegoOstuni 0:98fcd1266df0 630 10,
DiegoOstuni 0:98fcd1266df0 631 result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 632 }
DiegoOstuni 0:98fcd1266df0 633
DiegoOstuni 0:98fcd1266df0 634
DiegoOstuni 0:98fcd1266df0 635 void st25r3911CalibrateCapacitiveSensor(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 )
DiegoOstuni 0:98fcd1266df0 636 {
DiegoOstuni 0:98fcd1266df0 637 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_CALIBRATE_C_SENSOR,
DiegoOstuni 0:98fcd1266df0 638 ST25R3911_REG_CAP_SENSOR_RESULT,
DiegoOstuni 0:98fcd1266df0 639 10,
DiegoOstuni 0:98fcd1266df0 640 result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 641 }
DiegoOstuni 0:98fcd1266df0 642
DiegoOstuni 0:98fcd1266df0 643
DiegoOstuni 0:98fcd1266df0 644 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 )
DiegoOstuni 0:98fcd1266df0 645 {
DiegoOstuni 0:98fcd1266df0 646 uint8_t reg;
DiegoOstuni 0:98fcd1266df0 647
DiegoOstuni 0:98fcd1266df0 648 mST25 -> readRegister(ST25R3911_REG_BIT_RATE, &reg, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 649 if (rxRate != ST25R3911_BR_DO_NOT_SET)
DiegoOstuni 0:98fcd1266df0 650 {
DiegoOstuni 0:98fcd1266df0 651 if(rxRate > ST25R3911_BR_3390)
DiegoOstuni 0:98fcd1266df0 652 {
DiegoOstuni 0:98fcd1266df0 653 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 654 }
DiegoOstuni 0:98fcd1266df0 655 else
DiegoOstuni 0:98fcd1266df0 656 {
DiegoOstuni 0:98fcd1266df0 657 reg &= ~ST25R3911_REG_BIT_RATE_mask_rxrate;
DiegoOstuni 0:98fcd1266df0 658 reg |= rxRate << ST25R3911_REG_BIT_RATE_shift_rxrate;
DiegoOstuni 0:98fcd1266df0 659 }
DiegoOstuni 0:98fcd1266df0 660 }
DiegoOstuni 0:98fcd1266df0 661 if (txRate != ST25R3911_BR_DO_NOT_SET)
DiegoOstuni 0:98fcd1266df0 662 {
DiegoOstuni 0:98fcd1266df0 663 if(txRate > ST25R3911_BR_6780)
DiegoOstuni 0:98fcd1266df0 664 {
DiegoOstuni 0:98fcd1266df0 665 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 666 }
DiegoOstuni 0:98fcd1266df0 667 else
DiegoOstuni 0:98fcd1266df0 668 {
DiegoOstuni 0:98fcd1266df0 669 reg &= ~ST25R3911_REG_BIT_RATE_mask_txrate;
DiegoOstuni 0:98fcd1266df0 670 reg |= txRate<<ST25R3911_REG_BIT_RATE_shift_txrate;
DiegoOstuni 0:98fcd1266df0 671 }
DiegoOstuni 0:98fcd1266df0 672 }
DiegoOstuni 0:98fcd1266df0 673 mST25 -> writeRegister(ST25R3911_REG_BIT_RATE, reg, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 674
DiegoOstuni 0:98fcd1266df0 675 return ERR_NONE;
DiegoOstuni 0:98fcd1266df0 676 }
DiegoOstuni 0:98fcd1266df0 677
DiegoOstuni 0:98fcd1266df0 678
DiegoOstuni 0:98fcd1266df0 679 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 )
DiegoOstuni 0:98fcd1266df0 680 {
DiegoOstuni 0:98fcd1266df0 681 uint8_t result;
DiegoOstuni 0:98fcd1266df0 682 uint16_t mV;
DiegoOstuni 0:98fcd1266df0 683
DiegoOstuni 0:98fcd1266df0 684 mpsv &= ST25R3911_REG_REGULATOR_CONTROL_mask_mpsv;
DiegoOstuni 0:98fcd1266df0 685
DiegoOstuni 0:98fcd1266df0 686 st25r3911ModifyRegister(ST25R3911_REG_REGULATOR_CONTROL,
DiegoOstuni 0:98fcd1266df0 687 ST25R3911_REG_REGULATOR_CONTROL_mask_mpsv,
DiegoOstuni 0:98fcd1266df0 688 mpsv, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 689
DiegoOstuni 0:98fcd1266df0 690 st25r3911ExecuteCommandAndGetResult(ST25R3911_CMD_MEASURE_VDD,
DiegoOstuni 0:98fcd1266df0 691 ST25R3911_REG_AD_RESULT,
DiegoOstuni 0:98fcd1266df0 692 100,
DiegoOstuni 0:98fcd1266df0 693 &result, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 );
DiegoOstuni 0:98fcd1266df0 694 mV = ((uint16_t)result) * 23;
DiegoOstuni 0:98fcd1266df0 695 mV += ((((uint16_t)result) * 438) + 500) / 1000;
DiegoOstuni 0:98fcd1266df0 696
DiegoOstuni 0:98fcd1266df0 697 return mV;
DiegoOstuni 0:98fcd1266df0 698 }
DiegoOstuni 0:98fcd1266df0 699
DiegoOstuni 0:98fcd1266df0 700
DiegoOstuni 0:98fcd1266df0 701 uint8_t st25r3911GetNumFIFOLastBits( 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 )
DiegoOstuni 0:98fcd1266df0 702 {
DiegoOstuni 0:98fcd1266df0 703 uint8_t reg;
DiegoOstuni 0:98fcd1266df0 704
DiegoOstuni 0:98fcd1266df0 705 mST25 -> readRegister( ST25R3911_REG_FIFO_RX_STATUS2, &reg, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 706
DiegoOstuni 0:98fcd1266df0 707 return ((reg & ST25R3911_REG_FIFO_RX_STATUS2_mask_fifo_lb) >> ST25R3911_REG_FIFO_RX_STATUS2_shift_fifo_lb);
DiegoOstuni 0:98fcd1266df0 708 }
DiegoOstuni 0:98fcd1266df0 709
DiegoOstuni 0:98fcd1266df0 710 uint32_t st25r3911GetNoResponseTime_64fcs()
DiegoOstuni 0:98fcd1266df0 711 {
DiegoOstuni 0:98fcd1266df0 712 return st25r3911NoResponseTime_64fcs;
DiegoOstuni 0:98fcd1266df0 713 }
DiegoOstuni 0:98fcd1266df0 714
DiegoOstuni 0:98fcd1266df0 715 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 )
DiegoOstuni 0:98fcd1266df0 716 {
DiegoOstuni 0:98fcd1266df0 717 st25r3911SetGPTime_8fcs(gpt_8fcs, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 718
DiegoOstuni 0:98fcd1266df0 719 st25r3911ModifyRegister(ST25R3911_REG_GPT_CONTROL,
DiegoOstuni 0:98fcd1266df0 720 ST25R3911_REG_GPT_CONTROL_gptc_mask,
DiegoOstuni 0:98fcd1266df0 721 trigger_source, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 722 if (!trigger_source)
DiegoOstuni 0:98fcd1266df0 723 mST25 -> executeCommand(ST25R3911_CMD_START_GP_TIMER, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 724
DiegoOstuni 0:98fcd1266df0 725 return;
DiegoOstuni 0:98fcd1266df0 726 }
DiegoOstuni 0:98fcd1266df0 727
DiegoOstuni 0:98fcd1266df0 728 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 )
DiegoOstuni 0:98fcd1266df0 729 {
DiegoOstuni 0:98fcd1266df0 730 mST25 -> writeRegister(ST25R3911_REG_GPT1, gpt_8fcs >> 8, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 731 mST25 -> writeRegister(ST25R3911_REG_GPT2, gpt_8fcs & 0xff, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 732
DiegoOstuni 0:98fcd1266df0 733 return;
DiegoOstuni 0:98fcd1266df0 734 }
DiegoOstuni 0:98fcd1266df0 735
DiegoOstuni 0:98fcd1266df0 736 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 )
DiegoOstuni 0:98fcd1266df0 737 {
DiegoOstuni 0:98fcd1266df0 738 uint8_t regVal;
DiegoOstuni 0:98fcd1266df0 739
DiegoOstuni 0:98fcd1266df0 740 regVal = 0;
DiegoOstuni 0:98fcd1266df0 741 mST25 -> readRegister( reg, &regVal, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 742
DiegoOstuni 0:98fcd1266df0 743 return ((regVal & mask) == val );
DiegoOstuni 0:98fcd1266df0 744 }
DiegoOstuni 0:98fcd1266df0 745
DiegoOstuni 0:98fcd1266df0 746
DiegoOstuni 0:98fcd1266df0 747 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 )
DiegoOstuni 0:98fcd1266df0 748 {
DiegoOstuni 0:98fcd1266df0 749 uint8_t ID;
DiegoOstuni 0:98fcd1266df0 750
DiegoOstuni 0:98fcd1266df0 751
DiegoOstuni 0:98fcd1266df0 752 mST25 -> readRegister(ST25R3911_REG_IC_IDENTITY, &ID, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 753
DiegoOstuni 0:98fcd1266df0 754 /* Check if IC Identity Register contains ST25R3911's IC type code */
DiegoOstuni 0:98fcd1266df0 755 if( (ID & ST25R3911_REG_IC_IDENTITY_mask_ic_type) != (ST25R3911_REG_IC_IDENTITY_ic_type) )
DiegoOstuni 0:98fcd1266df0 756 {
DiegoOstuni 0:98fcd1266df0 757 return false;
DiegoOstuni 0:98fcd1266df0 758 }
DiegoOstuni 0:98fcd1266df0 759
DiegoOstuni 0:98fcd1266df0 760
DiegoOstuni 0:98fcd1266df0 761 if(rev != NULL)
DiegoOstuni 0:98fcd1266df0 762 {
DiegoOstuni 0:98fcd1266df0 763 *rev = (ID & ST25R3911_REG_IC_IDENTITY_mask_ic_rev);
DiegoOstuni 0:98fcd1266df0 764 }
DiegoOstuni 0:98fcd1266df0 765
DiegoOstuni 0:98fcd1266df0 766 return true;
DiegoOstuni 0:98fcd1266df0 767 }
DiegoOstuni 0:98fcd1266df0 768
DiegoOstuni 0:98fcd1266df0 769 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 )
DiegoOstuni 0:98fcd1266df0 770 {
DiegoOstuni 0:98fcd1266df0 771 ReturnCode err = ERR_NONE;
DiegoOstuni 0:98fcd1266df0 772 uint8_t nrt_step = 0;
DiegoOstuni 0:98fcd1266df0 773
DiegoOstuni 0:98fcd1266df0 774 st25r3911NoResponseTime_64fcs = nrt_64fcs;
DiegoOstuni 0:98fcd1266df0 775 if (nrt_64fcs > USHRT_MAX)
DiegoOstuni 0:98fcd1266df0 776 {
DiegoOstuni 0:98fcd1266df0 777 nrt_step = ST25R3911_REG_GPT_CONTROL_nrt_step;
DiegoOstuni 0:98fcd1266df0 778 nrt_64fcs = (nrt_64fcs + 63) / 64;
DiegoOstuni 0:98fcd1266df0 779 if (nrt_64fcs > USHRT_MAX)
DiegoOstuni 0:98fcd1266df0 780 {
DiegoOstuni 0:98fcd1266df0 781 nrt_64fcs = USHRT_MAX;
DiegoOstuni 0:98fcd1266df0 782 err = ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 783 }
DiegoOstuni 0:98fcd1266df0 784 st25r3911NoResponseTime_64fcs = 64 * nrt_64fcs;
DiegoOstuni 0:98fcd1266df0 785 }
DiegoOstuni 0:98fcd1266df0 786
DiegoOstuni 0:98fcd1266df0 787 st25r3911ModifyRegister(ST25R3911_REG_GPT_CONTROL, ST25R3911_REG_GPT_CONTROL_nrt_step, nrt_step, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 788 mST25 -> writeRegister(ST25R3911_REG_NO_RESPONSE_TIMER1, nrt_64fcs >> 8, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 789 mST25 -> writeRegister(ST25R3911_REG_NO_RESPONSE_TIMER2, nrt_64fcs & 0xff, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 790
DiegoOstuni 0:98fcd1266df0 791 return err;
DiegoOstuni 0:98fcd1266df0 792 }
DiegoOstuni 0:98fcd1266df0 793
DiegoOstuni 0:98fcd1266df0 794 ReturnCode st25r3911SetStartNoResponseTime_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 )
DiegoOstuni 0:98fcd1266df0 795 {
DiegoOstuni 0:98fcd1266df0 796 ReturnCode err;
DiegoOstuni 0:98fcd1266df0 797
DiegoOstuni 0:98fcd1266df0 798 err = st25r3911SetNoResponseTime_64fcs( nrt_64fcs, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 799 if(err == ERR_NONE)
DiegoOstuni 0:98fcd1266df0 800 {
DiegoOstuni 0:98fcd1266df0 801 mST25 -> executeCommand(ST25R3911_CMD_START_NO_RESPONSE_TIMER, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 802 }
DiegoOstuni 0:98fcd1266df0 803
DiegoOstuni 0:98fcd1266df0 804 return err;
DiegoOstuni 0:98fcd1266df0 805 }
DiegoOstuni 0:98fcd1266df0 806
DiegoOstuni 0:98fcd1266df0 807 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 )
DiegoOstuni 0:98fcd1266df0 808 {
DiegoOstuni 0:98fcd1266df0 809 uint8_t treMask;
DiegoOstuni 0:98fcd1266df0 810 uint32_t irqs;
DiegoOstuni 0:98fcd1266df0 811
DiegoOstuni 0:98fcd1266df0 812 if( (FieldONCmd != ST25R3911_CMD_INITIAL_RF_COLLISION) &&
DiegoOstuni 0:98fcd1266df0 813 (FieldONCmd != ST25R3911_CMD_RESPONSE_RF_COLLISION_0) &&
DiegoOstuni 0:98fcd1266df0 814 (FieldONCmd != ST25R3911_CMD_RESPONSE_RF_COLLISION_N) )
DiegoOstuni 0:98fcd1266df0 815 {
DiegoOstuni 0:98fcd1266df0 816 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 817 }
DiegoOstuni 0:98fcd1266df0 818
DiegoOstuni 0:98fcd1266df0 819 /* Check if new thresholds are to be applied */
DiegoOstuni 0:98fcd1266df0 820 if( (pdThreshold != ST25R3911_THRESHOLD_DO_NOT_SET) || (caThreshold != ST25R3911_THRESHOLD_DO_NOT_SET) )
DiegoOstuni 0:98fcd1266df0 821 {
DiegoOstuni 0:98fcd1266df0 822 treMask = 0;
DiegoOstuni 0:98fcd1266df0 823
DiegoOstuni 0:98fcd1266df0 824 if(pdThreshold != ST25R3911_THRESHOLD_DO_NOT_SET)
DiegoOstuni 0:98fcd1266df0 825 {
DiegoOstuni 0:98fcd1266df0 826 treMask |= ST25R3911_REG_FIELD_THRESHOLD_mask_trg;
DiegoOstuni 0:98fcd1266df0 827 }
DiegoOstuni 0:98fcd1266df0 828
DiegoOstuni 0:98fcd1266df0 829 if(caThreshold != ST25R3911_THRESHOLD_DO_NOT_SET)
DiegoOstuni 0:98fcd1266df0 830 {
DiegoOstuni 0:98fcd1266df0 831 treMask |= ST25R3911_REG_FIELD_THRESHOLD_mask_rfe;
DiegoOstuni 0:98fcd1266df0 832 }
DiegoOstuni 0:98fcd1266df0 833
DiegoOstuni 0:98fcd1266df0 834 /* Set Detection Threshold and|or Collision Avoidance Threshold */
DiegoOstuni 0:98fcd1266df0 835 st25r3911ChangeRegisterBits( ST25R3911_REG_FIELD_THRESHOLD, treMask, (pdThreshold & ST25R3911_REG_FIELD_THRESHOLD_mask_trg) | (caThreshold & ST25R3911_REG_FIELD_THRESHOLD_mask_rfe ), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 836 }
DiegoOstuni 0:98fcd1266df0 837
DiegoOstuni 0:98fcd1266df0 838 /* Set n x TRFW */
DiegoOstuni 0:98fcd1266df0 839 st25r3911ModifyRegister(ST25R3911_REG_AUX, ST25R3911_REG_AUX_mask_nfc_n, (nTRFW & ST25R3911_REG_AUX_mask_nfc_n), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 840
DiegoOstuni 0:98fcd1266df0 841 /* Enable and clear CA specific interrupts and execute command */
DiegoOstuni 0:98fcd1266df0 842 st25r3911EnableInterrupts( (ST25R3911_IRQ_MASK_CAC | ST25R3911_IRQ_MASK_CAT), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 843 st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_CAC | ST25R3911_IRQ_MASK_CAT), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 844
DiegoOstuni 0:98fcd1266df0 845 mST25 -> executeCommand(FieldONCmd, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 846
DiegoOstuni 0:98fcd1266df0 847 irqs = st25r3911WaitForInterruptsTimed(ST25R3911_IRQ_MASK_CAC | ST25R3911_IRQ_MASK_CAT, ST25R3911_CA_TIMEOUT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 848
DiegoOstuni 0:98fcd1266df0 849 /* Clear any previous External Field events and disable CA specific interrupts */
DiegoOstuni 0:98fcd1266df0 850 st25r3911GetInterrupt( (ST25R3911_IRQ_MASK_EOF | ST25R3911_IRQ_MASK_EON), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 851 st25r3911DisableInterrupts((ST25R3911_IRQ_MASK_CAC | ST25R3911_IRQ_MASK_CAT), mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 );
DiegoOstuni 0:98fcd1266df0 852
DiegoOstuni 0:98fcd1266df0 853
DiegoOstuni 0:98fcd1266df0 854 if(ST25R3911_IRQ_MASK_CAC & irqs) /* Collision occurred */
DiegoOstuni 0:98fcd1266df0 855 {
DiegoOstuni 0:98fcd1266df0 856 return ERR_RF_COLLISION;
DiegoOstuni 0:98fcd1266df0 857 }
DiegoOstuni 0:98fcd1266df0 858
DiegoOstuni 0:98fcd1266df0 859 if(ST25R3911_IRQ_MASK_CAT & irqs) /* No Collision detected, Field On */
DiegoOstuni 0:98fcd1266df0 860 {
DiegoOstuni 0:98fcd1266df0 861 return ERR_NONE;
DiegoOstuni 0:98fcd1266df0 862 }
DiegoOstuni 0:98fcd1266df0 863
DiegoOstuni 0:98fcd1266df0 864 /* No interrupt detected */
DiegoOstuni 0:98fcd1266df0 865 return ERR_INTERNAL;
DiegoOstuni 0:98fcd1266df0 866 }
DiegoOstuni 0:98fcd1266df0 867
DiegoOstuni 0:98fcd1266df0 868 ReturnCode st25r3911GetRegsDump(uint8_t* resRegDump, uint8_t* sizeRegDump, 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 )
DiegoOstuni 0:98fcd1266df0 869 {
DiegoOstuni 0:98fcd1266df0 870 uint8_t regIt;
DiegoOstuni 0:98fcd1266df0 871 uint8_t regDump[ST25R3911_REG_IC_IDENTITY+1];
DiegoOstuni 0:98fcd1266df0 872
DiegoOstuni 0:98fcd1266df0 873 if(!sizeRegDump || !resRegDump)
DiegoOstuni 0:98fcd1266df0 874 {
DiegoOstuni 0:98fcd1266df0 875 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 876 }
DiegoOstuni 0:98fcd1266df0 877
DiegoOstuni 0:98fcd1266df0 878 for( regIt = ST25R3911_REG_IO_CONF1; regIt < SIZEOF_ARRAY(regDump); regIt++ )
DiegoOstuni 0:98fcd1266df0 879 {
DiegoOstuni 0:98fcd1266df0 880 mST25 -> readRegister(regIt, &regDump[regIt], mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 881 }
DiegoOstuni 0:98fcd1266df0 882
DiegoOstuni 0:98fcd1266df0 883 *sizeRegDump = MIN(*sizeRegDump, regIt);
DiegoOstuni 0:98fcd1266df0 884 ST_MEMCPY(resRegDump, regDump, *sizeRegDump );
DiegoOstuni 0:98fcd1266df0 885
DiegoOstuni 0:98fcd1266df0 886 return ERR_NONE;
DiegoOstuni 0:98fcd1266df0 887 }
DiegoOstuni 0:98fcd1266df0 888
DiegoOstuni 0:98fcd1266df0 889
DiegoOstuni 0:98fcd1266df0 890 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 )
DiegoOstuni 0:98fcd1266df0 891 {
DiegoOstuni 0:98fcd1266df0 892 mST25 -> writeRegister(ST25R3911_REG_NUM_TX_BYTES2, (uint8_t)((nBits >> 0) & 0xff), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 893 mST25 -> writeRegister(ST25R3911_REG_NUM_TX_BYTES1, (uint8_t)((nBits >> 8) & 0xff), mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 894 }
DiegoOstuni 0:98fcd1266df0 895
DiegoOstuni 0:98fcd1266df0 896
DiegoOstuni 0:98fcd1266df0 897 bool st25r3911IsCmdValid( uint8_t cmd )
DiegoOstuni 0:98fcd1266df0 898 {
DiegoOstuni 0:98fcd1266df0 899 if( !((cmd >= ST25R3911_CMD_SET_DEFAULT) && (cmd <= ST25R3911_CMD_ANALOG_PRESET)) &&
DiegoOstuni 0:98fcd1266df0 900 !((cmd >= ST25R3911_CMD_MASK_RECEIVE_DATA) && (cmd <= ST25R3911_CMD_CLEAR_RSSI)) &&
DiegoOstuni 0:98fcd1266df0 901 !((cmd >= ST25R3911_CMD_TRANSPARENT_MODE) && (cmd <= ST25R3911_CMD_START_NO_RESPONSE_TIMER)) &&
DiegoOstuni 0:98fcd1266df0 902 !((cmd >= ST25R3911_CMD_TEST_CLEARA) && (cmd <= ST25R3911_CMD_FUSE_PPROM)) )
DiegoOstuni 0:98fcd1266df0 903 {
DiegoOstuni 0:98fcd1266df0 904 return false;
DiegoOstuni 0:98fcd1266df0 905 }
DiegoOstuni 0:98fcd1266df0 906 return true;
DiegoOstuni 0:98fcd1266df0 907 }
DiegoOstuni 0:98fcd1266df0 908
DiegoOstuni 0:98fcd1266df0 909 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 )
DiegoOstuni 0:98fcd1266df0 910 {
DiegoOstuni 0:98fcd1266df0 911 uint8_t smd = 0;
DiegoOstuni 0:98fcd1266df0 912 uint8_t mode;
DiegoOstuni 0:98fcd1266df0 913
DiegoOstuni 0:98fcd1266df0 914 if (config->useBPSK)
DiegoOstuni 0:98fcd1266df0 915 {
DiegoOstuni 0:98fcd1266df0 916 mode = ST25R3911_REG_MODE_om_bpsk_stream;
DiegoOstuni 0:98fcd1266df0 917 if (config->din<2 || config->din>4) /* not in fc/4 .. fc/16 */
DiegoOstuni 0:98fcd1266df0 918 {
DiegoOstuni 0:98fcd1266df0 919 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 920 }
DiegoOstuni 0:98fcd1266df0 921 smd |= (4 - config->din) << ST25R3911_REG_STREAM_MODE_shift_scf;
DiegoOstuni 0:98fcd1266df0 922
DiegoOstuni 0:98fcd1266df0 923 }
DiegoOstuni 0:98fcd1266df0 924 else
DiegoOstuni 0:98fcd1266df0 925 {
DiegoOstuni 0:98fcd1266df0 926 mode = ST25R3911_REG_MODE_om_subcarrier_stream;
DiegoOstuni 0:98fcd1266df0 927 if (config->din<3 || config->din>6) /* not in fc/8 .. fc/64 */
DiegoOstuni 0:98fcd1266df0 928 {
DiegoOstuni 0:98fcd1266df0 929 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 930 }
DiegoOstuni 0:98fcd1266df0 931 smd |= (6 - config->din) << ST25R3911_REG_STREAM_MODE_shift_scf;
DiegoOstuni 0:98fcd1266df0 932 if (config->report_period_length == 0)
DiegoOstuni 0:98fcd1266df0 933 {
DiegoOstuni 0:98fcd1266df0 934 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 935 }
DiegoOstuni 0:98fcd1266df0 936 }
DiegoOstuni 0:98fcd1266df0 937
DiegoOstuni 0:98fcd1266df0 938 if (config->dout<1 || config->dout>7) /* not in fc/2 .. fc/128 */
DiegoOstuni 0:98fcd1266df0 939 {
DiegoOstuni 0:98fcd1266df0 940 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 941 }
DiegoOstuni 0:98fcd1266df0 942 smd |= (7 - config->dout) << ST25R3911_REG_STREAM_MODE_shift_stx;
DiegoOstuni 0:98fcd1266df0 943
DiegoOstuni 0:98fcd1266df0 944 if (config->report_period_length > 3)
DiegoOstuni 0:98fcd1266df0 945 {
DiegoOstuni 0:98fcd1266df0 946 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 947 }
DiegoOstuni 0:98fcd1266df0 948 smd |= config->report_period_length << ST25R3911_REG_STREAM_MODE_shift_scp;
DiegoOstuni 0:98fcd1266df0 949
DiegoOstuni 0:98fcd1266df0 950 mST25 -> writeRegister(ST25R3911_REG_STREAM_MODE, smd, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 951 st25r3911ChangeRegisterBits(ST25R3911_REG_MODE, ST25R3911_REG_MODE_mask_om, mode, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 952
DiegoOstuni 0:98fcd1266df0 953 return ERR_NONE;
DiegoOstuni 0:98fcd1266df0 954 }
DiegoOstuni 0:98fcd1266df0 955
DiegoOstuni 0:98fcd1266df0 956 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 )
DiegoOstuni 0:98fcd1266df0 957 {
DiegoOstuni 0:98fcd1266df0 958 return ( st25r3911GetInterrupt( ST25R3911_IRQ_MASK_WCAP, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ? true : false );
DiegoOstuni 0:98fcd1266df0 959 }
DiegoOstuni 0:98fcd1266df0 960
DiegoOstuni 0:98fcd1266df0 961
DiegoOstuni 0:98fcd1266df0 962 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 )
DiegoOstuni 0:98fcd1266df0 963 {
DiegoOstuni 0:98fcd1266df0 964 return ( st25r3911GetInterrupt( ST25R3911_IRQ_MASK_WPH, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ? true : false );
DiegoOstuni 0:98fcd1266df0 965 }
DiegoOstuni 0:98fcd1266df0 966
DiegoOstuni 0:98fcd1266df0 967
DiegoOstuni 0:98fcd1266df0 968 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 )
DiegoOstuni 0:98fcd1266df0 969 {
DiegoOstuni 0:98fcd1266df0 970 return ( st25r3911GetInterrupt( ST25R3911_IRQ_MASK_WAM, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ? true : false );
DiegoOstuni 0:98fcd1266df0 971 }
DiegoOstuni 0:98fcd1266df0 972
DiegoOstuni 0:98fcd1266df0 973 /*
DiegoOstuni 0:98fcd1266df0 974 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 975 * LOCAL FUNCTIONS
DiegoOstuni 0:98fcd1266df0 976 ******************************************************************************
DiegoOstuni 0:98fcd1266df0 977 */
DiegoOstuni 0:98fcd1266df0 978 /*!
DiegoOstuni 0:98fcd1266df0 979 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 980 * \brief Executes a direct command and returns the result
DiegoOstuni 0:98fcd1266df0 981 *
DiegoOstuni 0:98fcd1266df0 982 * This function executes the direct command given by \a cmd waits for
DiegoOstuni 0:98fcd1266df0 983 * \a sleeptime and returns the result read from register \a resreg.
DiegoOstuni 0:98fcd1266df0 984 *
DiegoOstuni 0:98fcd1266df0 985 * \param[in] cmd: direct command to execute.
DiegoOstuni 0:98fcd1266df0 986 * \param[in] resreg: Address of the register containing the result.
DiegoOstuni 0:98fcd1266df0 987 * \param[in] sleeptime: time in milliseconds to wait before reading the result.
DiegoOstuni 0:98fcd1266df0 988 * \param[out] result: 8 bit long result
DiegoOstuni 0:98fcd1266df0 989 *
DiegoOstuni 0:98fcd1266df0 990 *****************************************************************************
DiegoOstuni 0:98fcd1266df0 991 */
DiegoOstuni 0:98fcd1266df0 992 static ReturnCode st25r3911ExecuteCommandAndGetResult(uint8_t cmd, uint8_t resreg, uint8_t sleeptime, 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 )
DiegoOstuni 0:98fcd1266df0 993 {
DiegoOstuni 0:98fcd1266df0 994
DiegoOstuni 0:98fcd1266df0 995 if ( (cmd >= ST25R3911_CMD_INITIAL_RF_COLLISION && cmd <= ST25R3911_CMD_RESPONSE_RF_COLLISION_0)
DiegoOstuni 0:98fcd1266df0 996 || (cmd == ST25R3911_CMD_MEASURE_AMPLITUDE)
DiegoOstuni 0:98fcd1266df0 997 || (cmd >= ST25R3911_CMD_ADJUST_REGULATORS && cmd <= ST25R3911_CMD_MEASURE_PHASE)
DiegoOstuni 0:98fcd1266df0 998 || (cmd >= ST25R3911_CMD_CALIBRATE_C_SENSOR && cmd <= ST25R3911_CMD_MEASURE_VDD)
DiegoOstuni 0:98fcd1266df0 999 || (cmd >= 0xFD && cmd <= 0xFE )
DiegoOstuni 0:98fcd1266df0 1000 )
DiegoOstuni 0:98fcd1266df0 1001 {
DiegoOstuni 0:98fcd1266df0 1002 st25r3911EnableInterrupts(ST25R3911_IRQ_MASK_DCT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 1003 st25r3911GetInterrupt(ST25R3911_IRQ_MASK_DCT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 1004 mST25 -> executeCommand(cmd, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 1005 st25r3911WaitForInterruptsTimed(ST25R3911_IRQ_MASK_DCT, sleeptime, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 1006 st25r3911DisableInterrupts(ST25R3911_IRQ_MASK_DCT, mspiChannel, mST25, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 1007 }
DiegoOstuni 0:98fcd1266df0 1008 else
DiegoOstuni 0:98fcd1266df0 1009 {
DiegoOstuni 0:98fcd1266df0 1010 return ERR_PARAM;
DiegoOstuni 0:98fcd1266df0 1011 }
DiegoOstuni 0:98fcd1266df0 1012
DiegoOstuni 0:98fcd1266df0 1013 /* read out the result if the pointer is not NULL */
DiegoOstuni 0:98fcd1266df0 1014 if (result)
DiegoOstuni 0:98fcd1266df0 1015 mST25 -> readRegister(resreg, result, mspiChannel, gpio_cs, IRQ, fieldLED_01, fieldLED_02, fieldLED_03, fieldLED_04, fieldLED_05, fieldLED_06 ) ;
DiegoOstuni 0:98fcd1266df0 1016
DiegoOstuni 0:98fcd1266df0 1017 return ERR_NONE;
DiegoOstuni 0:98fcd1266df0 1018
DiegoOstuni 0:98fcd1266df0 1019 }