Jim Flynn / Mbed OS wifi_Example

wifi test

Dependencies:   X_NUCLEO_IKS01A2 mbed-http

easy-connect/stm-spirit1-rf-driver/source/radio_spi.cpp@0:24d3eb812fd4, 2018-09-05 (annotated)

Committer:
JMF
Date:
Wed Sep 05 14:28:24 2018 +0000
Revision:
0:24d3eb812fd4
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:24d3eb812fd4 1 /**
JMF 0:24d3eb812fd4 2 ******************************************************************************
JMF 0:24d3eb812fd4 3 * @file radio_spi.c
JMF 0:24d3eb812fd4 4 * @author System Lab - NOIDA
JMF 0:24d3eb812fd4 5 * @version V1.0.0
JMF 0:24d3eb812fd4 6 * @date 15-May-2014
JMF 0:24d3eb812fd4 7 * @brief This file provides code for the configuration of the SPI instances.
JMF 0:24d3eb812fd4 8 ******************************************************************************
JMF 0:24d3eb812fd4 9 * @attention
JMF 0:24d3eb812fd4 10 *
JMF 0:24d3eb812fd4 11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
JMF 0:24d3eb812fd4 12 *
JMF 0:24d3eb812fd4 13 * Redistribution and use in source and binary forms, with or without modification,
JMF 0:24d3eb812fd4 14 * are permitted provided that the following conditions are met:
JMF 0:24d3eb812fd4 15 * 1. Redistributions of source code must retain the above copyright notice,
JMF 0:24d3eb812fd4 16 * this list of conditions and the following disclaimer.
JMF 0:24d3eb812fd4 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
JMF 0:24d3eb812fd4 18 * this list of conditions and the following disclaimer in the documentation
JMF 0:24d3eb812fd4 19 * and/or other materials provided with the distribution.
JMF 0:24d3eb812fd4 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
JMF 0:24d3eb812fd4 21 * may be used to endorse or promote products derived from this software
JMF 0:24d3eb812fd4 22 * without specific prior written permission.
JMF 0:24d3eb812fd4 23 *
JMF 0:24d3eb812fd4 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
JMF 0:24d3eb812fd4 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
JMF 0:24d3eb812fd4 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
JMF 0:24d3eb812fd4 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
JMF 0:24d3eb812fd4 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
JMF 0:24d3eb812fd4 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
JMF 0:24d3eb812fd4 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
JMF 0:24d3eb812fd4 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
JMF 0:24d3eb812fd4 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
JMF 0:24d3eb812fd4 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
JMF 0:24d3eb812fd4 34 *
JMF 0:24d3eb812fd4 35 ******************************************************************************
JMF 0:24d3eb812fd4 36 */
JMF 0:24d3eb812fd4 37
JMF 0:24d3eb812fd4 38
JMF 0:24d3eb812fd4 39 /* Includes ------------------------------------------------------------------*/
JMF 0:24d3eb812fd4 40 #include "radio_spi.h"
JMF 0:24d3eb812fd4 41
JMF 0:24d3eb812fd4 42 #include "SimpleSpirit1.h"
JMF 0:24d3eb812fd4 43
JMF 0:24d3eb812fd4 44
JMF 0:24d3eb812fd4 45 /**
JMF 0:24d3eb812fd4 46 * @addtogroup BSP
JMF 0:24d3eb812fd4 47 * @{
JMF 0:24d3eb812fd4 48 */
JMF 0:24d3eb812fd4 49
JMF 0:24d3eb812fd4 50
JMF 0:24d3eb812fd4 51 /**
JMF 0:24d3eb812fd4 52 * @addtogroup X-NUCLEO-IDS02Ax
JMF 0:24d3eb812fd4 53 * @{
JMF 0:24d3eb812fd4 54 */
JMF 0:24d3eb812fd4 55
JMF 0:24d3eb812fd4 56
JMF 0:24d3eb812fd4 57 /**
JMF 0:24d3eb812fd4 58 * @defgroup RADIO_SPI_Private_TypesDefinitions RADIO_SPI Private Types Definitions
JMF 0:24d3eb812fd4 59 * @{
JMF 0:24d3eb812fd4 60 */
JMF 0:24d3eb812fd4 61
JMF 0:24d3eb812fd4 62 /**
JMF 0:24d3eb812fd4 63 * @}
JMF 0:24d3eb812fd4 64 */
JMF 0:24d3eb812fd4 65
JMF 0:24d3eb812fd4 66
JMF 0:24d3eb812fd4 67 /**
JMF 0:24d3eb812fd4 68 * @defgroup RADIO_SPI_Private_Defines RADIO_SPI Private Defines
JMF 0:24d3eb812fd4 69 * @{
JMF 0:24d3eb812fd4 70 */
JMF 0:24d3eb812fd4 71
JMF 0:24d3eb812fd4 72 /**
JMF 0:24d3eb812fd4 73 * @}
JMF 0:24d3eb812fd4 74 */
JMF 0:24d3eb812fd4 75
JMF 0:24d3eb812fd4 76
JMF 0:24d3eb812fd4 77 /**
JMF 0:24d3eb812fd4 78 * @defgroup RADIO_SPI_Private_Macros RADIO_SPI Private Macros
JMF 0:24d3eb812fd4 79 * @{
JMF 0:24d3eb812fd4 80 */
JMF 0:24d3eb812fd4 81
JMF 0:24d3eb812fd4 82 /**
JMF 0:24d3eb812fd4 83 * @}
JMF 0:24d3eb812fd4 84 */
JMF 0:24d3eb812fd4 85
JMF 0:24d3eb812fd4 86
JMF 0:24d3eb812fd4 87 /**
JMF 0:24d3eb812fd4 88 * @defgroup RADIO_SPI_Private_Variables RADIO_SPI Private Variables
JMF 0:24d3eb812fd4 89 * @{
JMF 0:24d3eb812fd4 90 */
JMF 0:24d3eb812fd4 91
JMF 0:24d3eb812fd4 92 /**
JMF 0:24d3eb812fd4 93 * @}
JMF 0:24d3eb812fd4 94 */
JMF 0:24d3eb812fd4 95
JMF 0:24d3eb812fd4 96
JMF 0:24d3eb812fd4 97 /**
JMF 0:24d3eb812fd4 98 * @defgroup RADIO_SPI_Private_FunctionPrototypes RADIO_SPI Private Function Prototypes
JMF 0:24d3eb812fd4 99 * @{
JMF 0:24d3eb812fd4 100 */
JMF 0:24d3eb812fd4 101
JMF 0:24d3eb812fd4 102 /**
JMF 0:24d3eb812fd4 103 * @}
JMF 0:24d3eb812fd4 104 */
JMF 0:24d3eb812fd4 105
JMF 0:24d3eb812fd4 106 /**
JMF 0:24d3eb812fd4 107 * @defgroup RADIO_SPI_Private_Functions RADIO_SPI Private Functions
JMF 0:24d3eb812fd4 108 * @{
JMF 0:24d3eb812fd4 109 */
JMF 0:24d3eb812fd4 110
JMF 0:24d3eb812fd4 111 /**
JMF 0:24d3eb812fd4 112 * @}
JMF 0:24d3eb812fd4 113 */
JMF 0:24d3eb812fd4 114
JMF 0:24d3eb812fd4 115 /**
JMF 0:24d3eb812fd4 116 * @brief Write single or multiple RF Transceivers register
JMF 0:24d3eb812fd4 117 * @param cRegAddress: base register's address to be write
JMF 0:24d3eb812fd4 118 * @param cNbBytes: number of registers and bytes to be write
JMF 0:24d3eb812fd4 119 * @param pcBuffer: pointer to the buffer of values have to be written into registers
JMF 0:24d3eb812fd4 120 * @retval StatusBytes
JMF 0:24d3eb812fd4 121 */
JMF 0:24d3eb812fd4 122 StatusBytes SdkEvalSpiWriteRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 123 {
JMF 0:24d3eb812fd4 124 return SimpleSpirit1::Instance().SdkEvalSpiWriteRegisters(cRegAddress, cNbBytes, pcBuffer);
JMF 0:24d3eb812fd4 125 }
JMF 0:24d3eb812fd4 126
JMF 0:24d3eb812fd4 127 StatusBytes SimpleSpirit1::SdkEvalSpiWriteRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 128 {
JMF 0:24d3eb812fd4 129 uint8_t aHeader[2] = {0};
JMF 0:24d3eb812fd4 130 uint16_t tmpstatus = 0x0000;
JMF 0:24d3eb812fd4 131 StatusBytes *pStatus=(StatusBytes *)&tmpstatus;
JMF 0:24d3eb812fd4 132
JMF 0:24d3eb812fd4 133 /* Built the aHeader bytes */
JMF 0:24d3eb812fd4 134 aHeader[0] = WRITE_HEADER;
JMF 0:24d3eb812fd4 135 aHeader[1] = cRegAddress;
JMF 0:24d3eb812fd4 136
JMF 0:24d3eb812fd4 137 /* Puts the SPI chip select low to start the transaction */
JMF 0:24d3eb812fd4 138 chip_sync_select();
JMF 0:24d3eb812fd4 139
JMF 0:24d3eb812fd4 140 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 141 tmpstatus = _spi.write(aHeader[0]);
JMF 0:24d3eb812fd4 142 tmpstatus = tmpstatus << 8;
JMF 0:24d3eb812fd4 143
JMF 0:24d3eb812fd4 144 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 145 tmpstatus |= _spi.write(aHeader[1]);
JMF 0:24d3eb812fd4 146
JMF 0:24d3eb812fd4 147 /* Writes the registers according to the number of bytes */
JMF 0:24d3eb812fd4 148 for (int index = 0; index < cNbBytes; index++)
JMF 0:24d3eb812fd4 149 {
JMF 0:24d3eb812fd4 150 _spi.write(pcBuffer[index]);
JMF 0:24d3eb812fd4 151 }
JMF 0:24d3eb812fd4 152
JMF 0:24d3eb812fd4 153 /* Puts the SPI chip select high to end the transaction */
JMF 0:24d3eb812fd4 154 chip_sync_unselect();
JMF 0:24d3eb812fd4 155
JMF 0:24d3eb812fd4 156 return *pStatus;
JMF 0:24d3eb812fd4 157 }
JMF 0:24d3eb812fd4 158
JMF 0:24d3eb812fd4 159
JMF 0:24d3eb812fd4 160 /**
JMF 0:24d3eb812fd4 161 * @brief Read single or multiple SPIRIT1 register
JMF 0:24d3eb812fd4 162 * @param cRegAddress: base register's address to be read
JMF 0:24d3eb812fd4 163 * @param cNbBytes: number of registers and bytes to be read
JMF 0:24d3eb812fd4 164 * @param pcBuffer: pointer to the buffer of registers' values read
JMF 0:24d3eb812fd4 165 * @retval StatusBytes
JMF 0:24d3eb812fd4 166 */
JMF 0:24d3eb812fd4 167 StatusBytes SdkEvalSpiReadRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 168 {
JMF 0:24d3eb812fd4 169 return SimpleSpirit1::Instance().SdkEvalSpiReadRegisters(cRegAddress, cNbBytes, pcBuffer);
JMF 0:24d3eb812fd4 170 }
JMF 0:24d3eb812fd4 171
JMF 0:24d3eb812fd4 172 StatusBytes SimpleSpirit1::SdkEvalSpiReadRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 173 {
JMF 0:24d3eb812fd4 174 uint16_t tmpstatus = 0x00;
JMF 0:24d3eb812fd4 175 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
JMF 0:24d3eb812fd4 176
JMF 0:24d3eb812fd4 177 uint8_t aHeader[2] = {0};
JMF 0:24d3eb812fd4 178
JMF 0:24d3eb812fd4 179 /* Built the aHeader bytes */
JMF 0:24d3eb812fd4 180 aHeader[0] = READ_HEADER;
JMF 0:24d3eb812fd4 181 aHeader[1] = cRegAddress;
JMF 0:24d3eb812fd4 182
JMF 0:24d3eb812fd4 183 /* Put the SPI chip select low to start the transaction */
JMF 0:24d3eb812fd4 184 chip_sync_select();
JMF 0:24d3eb812fd4 185
JMF 0:24d3eb812fd4 186 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 187 tmpstatus = _spi.write(aHeader[0]);
JMF 0:24d3eb812fd4 188 tmpstatus = tmpstatus << 8;
JMF 0:24d3eb812fd4 189
JMF 0:24d3eb812fd4 190 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 191 tmpstatus |= _spi.write(aHeader[1]);
JMF 0:24d3eb812fd4 192
JMF 0:24d3eb812fd4 193 for (int index = 0; index < cNbBytes; index++)
JMF 0:24d3eb812fd4 194 {
JMF 0:24d3eb812fd4 195 pcBuffer[index] = _spi.write(0xFF);
JMF 0:24d3eb812fd4 196 }
JMF 0:24d3eb812fd4 197
JMF 0:24d3eb812fd4 198 /* Put the SPI chip select high to end the transaction */
JMF 0:24d3eb812fd4 199 chip_sync_unselect();
JMF 0:24d3eb812fd4 200
JMF 0:24d3eb812fd4 201 return *pStatus;
JMF 0:24d3eb812fd4 202 }
JMF 0:24d3eb812fd4 203
JMF 0:24d3eb812fd4 204
JMF 0:24d3eb812fd4 205 /**
JMF 0:24d3eb812fd4 206 * @brief Send a command
JMF 0:24d3eb812fd4 207 * @param cCommandCode: command code to be sent
JMF 0:24d3eb812fd4 208 * @retval StatusBytes
JMF 0:24d3eb812fd4 209 */
JMF 0:24d3eb812fd4 210 StatusBytes SdkEvalSpiCommandStrobes(uint8_t cCommandCode)
JMF 0:24d3eb812fd4 211 {
JMF 0:24d3eb812fd4 212 return SimpleSpirit1::Instance().SdkEvalSpiCommandStrobes(cCommandCode);
JMF 0:24d3eb812fd4 213 }
JMF 0:24d3eb812fd4 214
JMF 0:24d3eb812fd4 215 StatusBytes SimpleSpirit1::SdkEvalSpiCommandStrobes(uint8_t cCommandCode)
JMF 0:24d3eb812fd4 216 {
JMF 0:24d3eb812fd4 217 uint8_t aHeader[2] = {0};
JMF 0:24d3eb812fd4 218 uint16_t tmpstatus = 0x0000;
JMF 0:24d3eb812fd4 219
JMF 0:24d3eb812fd4 220 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
JMF 0:24d3eb812fd4 221
JMF 0:24d3eb812fd4 222 /* Built the aHeader bytes */
JMF 0:24d3eb812fd4 223 aHeader[0] = COMMAND_HEADER;
JMF 0:24d3eb812fd4 224 aHeader[1] = cCommandCode;
JMF 0:24d3eb812fd4 225
JMF 0:24d3eb812fd4 226 /* Puts the SPI chip select low to start the transaction */
JMF 0:24d3eb812fd4 227 chip_sync_select();
JMF 0:24d3eb812fd4 228
JMF 0:24d3eb812fd4 229 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 230 tmpstatus = _spi.write(aHeader[0]);
JMF 0:24d3eb812fd4 231 tmpstatus = tmpstatus<<8;
JMF 0:24d3eb812fd4 232
JMF 0:24d3eb812fd4 233 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 234 tmpstatus |= _spi.write(aHeader[1]);
JMF 0:24d3eb812fd4 235
JMF 0:24d3eb812fd4 236 /* Puts the SPI chip select high to end the transaction */
JMF 0:24d3eb812fd4 237 chip_sync_unselect();
JMF 0:24d3eb812fd4 238
JMF 0:24d3eb812fd4 239 return *pStatus;
JMF 0:24d3eb812fd4 240 }
JMF 0:24d3eb812fd4 241
JMF 0:24d3eb812fd4 242
JMF 0:24d3eb812fd4 243 /**
JMF 0:24d3eb812fd4 244 * @brief Write data into TX FIFO
JMF 0:24d3eb812fd4 245 * @param cNbBytes: number of bytes to be written into TX FIFO
JMF 0:24d3eb812fd4 246 * @param pcBuffer: pointer to data to write
JMF 0:24d3eb812fd4 247 * @retval StatusBytes
JMF 0:24d3eb812fd4 248 */
JMF 0:24d3eb812fd4 249 StatusBytes SdkEvalSpiWriteFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 250 {
JMF 0:24d3eb812fd4 251 return SimpleSpirit1::Instance().SdkEvalSpiWriteFifo(cNbBytes, pcBuffer);
JMF 0:24d3eb812fd4 252 }
JMF 0:24d3eb812fd4 253
JMF 0:24d3eb812fd4 254 StatusBytes SimpleSpirit1::SdkEvalSpiWriteFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 255 {
JMF 0:24d3eb812fd4 256 uint16_t tmpstatus = 0x0000;
JMF 0:24d3eb812fd4 257 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
JMF 0:24d3eb812fd4 258
JMF 0:24d3eb812fd4 259 uint8_t aHeader[2] = {0};
JMF 0:24d3eb812fd4 260
JMF 0:24d3eb812fd4 261 /* Built the aHeader bytes */
JMF 0:24d3eb812fd4 262 aHeader[0] = WRITE_HEADER;
JMF 0:24d3eb812fd4 263 aHeader[1] = LINEAR_FIFO_ADDRESS;
JMF 0:24d3eb812fd4 264
JMF 0:24d3eb812fd4 265 /* Put the SPI chip select low to start the transaction */
JMF 0:24d3eb812fd4 266 chip_sync_select();
JMF 0:24d3eb812fd4 267
JMF 0:24d3eb812fd4 268 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 269 tmpstatus = _spi.write(aHeader[0]);
JMF 0:24d3eb812fd4 270 tmpstatus = tmpstatus<<8;
JMF 0:24d3eb812fd4 271
JMF 0:24d3eb812fd4 272 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 273 tmpstatus |= _spi.write(aHeader[1]);
JMF 0:24d3eb812fd4 274
JMF 0:24d3eb812fd4 275 /* Writes the registers according to the number of bytes */
JMF 0:24d3eb812fd4 276 for (int index = 0; index < cNbBytes; index++)
JMF 0:24d3eb812fd4 277 {
JMF 0:24d3eb812fd4 278 _spi.write(pcBuffer[index]);
JMF 0:24d3eb812fd4 279 }
JMF 0:24d3eb812fd4 280
JMF 0:24d3eb812fd4 281 /* Put the SPI chip select high to end the transaction */
JMF 0:24d3eb812fd4 282 chip_sync_unselect();
JMF 0:24d3eb812fd4 283
JMF 0:24d3eb812fd4 284 return *pStatus;
JMF 0:24d3eb812fd4 285 }
JMF 0:24d3eb812fd4 286
JMF 0:24d3eb812fd4 287 /**
JMF 0:24d3eb812fd4 288 * @brief Read data from RX FIFO
JMF 0:24d3eb812fd4 289 * @param cNbBytes: number of bytes to read from RX FIFO
JMF 0:24d3eb812fd4 290 * @param pcBuffer: pointer to data read from RX FIFO
JMF 0:24d3eb812fd4 291 * @retval StatusBytes
JMF 0:24d3eb812fd4 292 */
JMF 0:24d3eb812fd4 293 StatusBytes SdkEvalSpiReadFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 294 {
JMF 0:24d3eb812fd4 295 return SimpleSpirit1::Instance().SdkEvalSpiReadFifo(cNbBytes, pcBuffer);
JMF 0:24d3eb812fd4 296 }
JMF 0:24d3eb812fd4 297
JMF 0:24d3eb812fd4 298 StatusBytes SimpleSpirit1::SdkEvalSpiReadFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
JMF 0:24d3eb812fd4 299 {
JMF 0:24d3eb812fd4 300 uint16_t tmpstatus = 0x0000;
JMF 0:24d3eb812fd4 301 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
JMF 0:24d3eb812fd4 302
JMF 0:24d3eb812fd4 303 uint8_t aHeader[2];
JMF 0:24d3eb812fd4 304
JMF 0:24d3eb812fd4 305 /* Built the aHeader bytes */
JMF 0:24d3eb812fd4 306 aHeader[0]=READ_HEADER;
JMF 0:24d3eb812fd4 307 aHeader[1]=LINEAR_FIFO_ADDRESS;
JMF 0:24d3eb812fd4 308
JMF 0:24d3eb812fd4 309 /* Put the SPI chip select low to start the transaction */
JMF 0:24d3eb812fd4 310 chip_sync_select();
JMF 0:24d3eb812fd4 311
JMF 0:24d3eb812fd4 312 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 313 tmpstatus = _spi.write(aHeader[0]);
JMF 0:24d3eb812fd4 314 tmpstatus = tmpstatus<<8;
JMF 0:24d3eb812fd4 315
JMF 0:24d3eb812fd4 316 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
JMF 0:24d3eb812fd4 317 tmpstatus |= _spi.write(aHeader[1]);
JMF 0:24d3eb812fd4 318
JMF 0:24d3eb812fd4 319 for (int index = 0; index < cNbBytes; index++)
JMF 0:24d3eb812fd4 320 {
JMF 0:24d3eb812fd4 321 pcBuffer[index] = _spi.write(0xFF);
JMF 0:24d3eb812fd4 322 }
JMF 0:24d3eb812fd4 323
JMF 0:24d3eb812fd4 324 /* Put the SPI chip select high to end the transaction */
JMF 0:24d3eb812fd4 325 chip_sync_unselect();
JMF 0:24d3eb812fd4 326
JMF 0:24d3eb812fd4 327 return *pStatus;
JMF 0:24d3eb812fd4 328 }
JMF 0:24d3eb812fd4 329
JMF 0:24d3eb812fd4 330
JMF 0:24d3eb812fd4 331 /**
JMF 0:24d3eb812fd4 332 * @}
JMF 0:24d3eb812fd4 333 */
JMF 0:24d3eb812fd4 334
JMF 0:24d3eb812fd4 335 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/