JunMo Hong / EV-COG-AD3029LZ

센서보드 RF IRQ 테스트 중

Fork of stm-spirit1-rf-driver by ST

source/radio_spi.cpp@83:54b207156a91, 2018-03-21 (annotated)

Committer:
jmhong
Date:
Wed Mar 21 05:06:08 2018 +0000
Revision:
83:54b207156a91
Parent:
34:edda6a7238ec 
HJM : EV COG AD3029LZ test;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Wolfgang Betz 34:edda6a7238ec 1 /**
Wolfgang Betz 34:edda6a7238ec 2 ******************************************************************************
Wolfgang Betz 34:edda6a7238ec 3 * @file radio_spi.c
Wolfgang Betz 34:edda6a7238ec 4 * @author System Lab - NOIDA
Wolfgang Betz 34:edda6a7238ec 5 * @version V1.0.0
Wolfgang Betz 34:edda6a7238ec 6 * @date 15-May-2014
Wolfgang Betz 34:edda6a7238ec 7 * @brief This file provides code for the configuration of the SPI instances.
Wolfgang Betz 34:edda6a7238ec 8 ******************************************************************************
Wolfgang Betz 34:edda6a7238ec 9 * @attention
Wolfgang Betz 34:edda6a7238ec 10 *
Wolfgang Betz 34:edda6a7238ec 11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
Wolfgang Betz 34:edda6a7238ec 12 *
Wolfgang Betz 34:edda6a7238ec 13 * Redistribution and use in source and binary forms, with or without modification,
Wolfgang Betz 34:edda6a7238ec 14 * are permitted provided that the following conditions are met:
Wolfgang Betz 34:edda6a7238ec 15 * 1. Redistributions of source code must retain the above copyright notice,
Wolfgang Betz 34:edda6a7238ec 16 * this list of conditions and the following disclaimer.
Wolfgang Betz 34:edda6a7238ec 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
Wolfgang Betz 34:edda6a7238ec 18 * this list of conditions and the following disclaimer in the documentation
Wolfgang Betz 34:edda6a7238ec 19 * and/or other materials provided with the distribution.
Wolfgang Betz 34:edda6a7238ec 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Wolfgang Betz 34:edda6a7238ec 21 * may be used to endorse or promote products derived from this software
Wolfgang Betz 34:edda6a7238ec 22 * without specific prior written permission.
Wolfgang Betz 34:edda6a7238ec 23 *
Wolfgang Betz 34:edda6a7238ec 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Wolfgang Betz 34:edda6a7238ec 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Wolfgang Betz 34:edda6a7238ec 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Wolfgang Betz 34:edda6a7238ec 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Wolfgang Betz 34:edda6a7238ec 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Wolfgang Betz 34:edda6a7238ec 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Wolfgang Betz 34:edda6a7238ec 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Wolfgang Betz 34:edda6a7238ec 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Wolfgang Betz 34:edda6a7238ec 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Wolfgang Betz 34:edda6a7238ec 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Wolfgang Betz 34:edda6a7238ec 34 *
Wolfgang Betz 34:edda6a7238ec 35 ******************************************************************************
Wolfgang Betz 34:edda6a7238ec 36 */
Wolfgang Betz 34:edda6a7238ec 37
Wolfgang Betz 34:edda6a7238ec 38
Wolfgang Betz 34:edda6a7238ec 39 /* Includes ------------------------------------------------------------------*/
Wolfgang Betz 34:edda6a7238ec 40 #include "radio_spi.h"
Wolfgang Betz 34:edda6a7238ec 41 #include "SimpleSpirit1.h"
Wolfgang Betz 34:edda6a7238ec 42
Wolfgang Betz 34:edda6a7238ec 43
Wolfgang Betz 34:edda6a7238ec 44 /**
Wolfgang Betz 34:edda6a7238ec 45 * @addtogroup BSP
Wolfgang Betz 34:edda6a7238ec 46 * @{
Wolfgang Betz 34:edda6a7238ec 47 */
Wolfgang Betz 34:edda6a7238ec 48
Wolfgang Betz 34:edda6a7238ec 49
Wolfgang Betz 34:edda6a7238ec 50 /**
Wolfgang Betz 34:edda6a7238ec 51 * @addtogroup X-NUCLEO-IDS02Ax
Wolfgang Betz 34:edda6a7238ec 52 * @{
Wolfgang Betz 34:edda6a7238ec 53 */
Wolfgang Betz 34:edda6a7238ec 54
Wolfgang Betz 34:edda6a7238ec 55
Wolfgang Betz 34:edda6a7238ec 56 /**
Wolfgang Betz 34:edda6a7238ec 57 * @defgroup RADIO_SPI_Private_TypesDefinitions RADIO_SPI Private Types Definitions
Wolfgang Betz 34:edda6a7238ec 58 * @{
Wolfgang Betz 34:edda6a7238ec 59 */
Wolfgang Betz 34:edda6a7238ec 60
Wolfgang Betz 34:edda6a7238ec 61 /**
Wolfgang Betz 34:edda6a7238ec 62 * @}
Wolfgang Betz 34:edda6a7238ec 63 */
Wolfgang Betz 34:edda6a7238ec 64
Wolfgang Betz 34:edda6a7238ec 65
Wolfgang Betz 34:edda6a7238ec 66 /**
Wolfgang Betz 34:edda6a7238ec 67 * @defgroup RADIO_SPI_Private_Defines RADIO_SPI Private Defines
Wolfgang Betz 34:edda6a7238ec 68 * @{
Wolfgang Betz 34:edda6a7238ec 69 */
Wolfgang Betz 34:edda6a7238ec 70
Wolfgang Betz 34:edda6a7238ec 71 /**
Wolfgang Betz 34:edda6a7238ec 72 * @}
Wolfgang Betz 34:edda6a7238ec 73 */
Wolfgang Betz 34:edda6a7238ec 74
Wolfgang Betz 34:edda6a7238ec 75
Wolfgang Betz 34:edda6a7238ec 76 /**
Wolfgang Betz 34:edda6a7238ec 77 * @defgroup RADIO_SPI_Private_Macros RADIO_SPI Private Macros
Wolfgang Betz 34:edda6a7238ec 78 * @{
Wolfgang Betz 34:edda6a7238ec 79 */
Wolfgang Betz 34:edda6a7238ec 80
Wolfgang Betz 34:edda6a7238ec 81 /**
Wolfgang Betz 34:edda6a7238ec 82 * @}
Wolfgang Betz 34:edda6a7238ec 83 */
Wolfgang Betz 34:edda6a7238ec 84
Wolfgang Betz 34:edda6a7238ec 85
Wolfgang Betz 34:edda6a7238ec 86 /**
Wolfgang Betz 34:edda6a7238ec 87 * @defgroup RADIO_SPI_Private_Variables RADIO_SPI Private Variables
Wolfgang Betz 34:edda6a7238ec 88 * @{
Wolfgang Betz 34:edda6a7238ec 89 */
Wolfgang Betz 34:edda6a7238ec 90
Wolfgang Betz 34:edda6a7238ec 91 /**
Wolfgang Betz 34:edda6a7238ec 92 * @}
Wolfgang Betz 34:edda6a7238ec 93 */
Wolfgang Betz 34:edda6a7238ec 94
Wolfgang Betz 34:edda6a7238ec 95
Wolfgang Betz 34:edda6a7238ec 96 /**
Wolfgang Betz 34:edda6a7238ec 97 * @defgroup RADIO_SPI_Private_FunctionPrototypes RADIO_SPI Private Function Prototypes
Wolfgang Betz 34:edda6a7238ec 98 * @{
Wolfgang Betz 34:edda6a7238ec 99 */
Wolfgang Betz 34:edda6a7238ec 100
Wolfgang Betz 34:edda6a7238ec 101 /**
Wolfgang Betz 34:edda6a7238ec 102 * @}
Wolfgang Betz 34:edda6a7238ec 103 */
Wolfgang Betz 34:edda6a7238ec 104
Wolfgang Betz 34:edda6a7238ec 105 /**
Wolfgang Betz 34:edda6a7238ec 106 * @defgroup RADIO_SPI_Private_Functions RADIO_SPI Private Functions
Wolfgang Betz 34:edda6a7238ec 107 * @{
Wolfgang Betz 34:edda6a7238ec 108 */
Wolfgang Betz 34:edda6a7238ec 109
Wolfgang Betz 34:edda6a7238ec 110 /**
Wolfgang Betz 34:edda6a7238ec 111 * @}
Wolfgang Betz 34:edda6a7238ec 112 */
Wolfgang Betz 34:edda6a7238ec 113
Wolfgang Betz 34:edda6a7238ec 114 /**
Wolfgang Betz 34:edda6a7238ec 115 * @brief Write single or multiple RF Transceivers register
Wolfgang Betz 34:edda6a7238ec 116 * @param cRegAddress: base register's address to be write
Wolfgang Betz 34:edda6a7238ec 117 * @param cNbBytes: number of registers and bytes to be write
Wolfgang Betz 34:edda6a7238ec 118 * @param pcBuffer: pointer to the buffer of values have to be written into registers
Wolfgang Betz 34:edda6a7238ec 119 * @retval StatusBytes
Wolfgang Betz 34:edda6a7238ec 120 */
Wolfgang Betz 34:edda6a7238ec 121 StatusBytes SdkEvalSpiWriteRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 122 {
Wolfgang Betz 34:edda6a7238ec 123 return SimpleSpirit1::Instance().SdkEvalSpiWriteRegisters(cRegAddress, cNbBytes, pcBuffer);
Wolfgang Betz 34:edda6a7238ec 124 }
Wolfgang Betz 34:edda6a7238ec 125
Wolfgang Betz 34:edda6a7238ec 126 StatusBytes SimpleSpirit1::SdkEvalSpiWriteRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 127 {
Wolfgang Betz 34:edda6a7238ec 128 uint8_t aHeader[2] = {0};
Wolfgang Betz 34:edda6a7238ec 129 uint16_t tmpstatus = 0x0000;
Wolfgang Betz 34:edda6a7238ec 130 StatusBytes *pStatus=(StatusBytes *)&tmpstatus;
Wolfgang Betz 34:edda6a7238ec 131
Wolfgang Betz 34:edda6a7238ec 132 /* Built the aHeader bytes */
Wolfgang Betz 34:edda6a7238ec 133 aHeader[0] = WRITE_HEADER;
Wolfgang Betz 34:edda6a7238ec 134 aHeader[1] = cRegAddress;
Wolfgang Betz 34:edda6a7238ec 135
Wolfgang Betz 34:edda6a7238ec 136 /* Puts the SPI chip select low to start the transaction */
Wolfgang Betz 34:edda6a7238ec 137 chip_sync_select();
Wolfgang Betz 34:edda6a7238ec 138
Wolfgang Betz 34:edda6a7238ec 139 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 140 tmpstatus = _spi.write(aHeader[0]);
Wolfgang Betz 34:edda6a7238ec 141 tmpstatus = tmpstatus << 8;
Wolfgang Betz 34:edda6a7238ec 142
Wolfgang Betz 34:edda6a7238ec 143 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 144 tmpstatus |= _spi.write(aHeader[1]);
Wolfgang Betz 34:edda6a7238ec 145
Wolfgang Betz 34:edda6a7238ec 146 /* Writes the registers according to the number of bytes */
Wolfgang Betz 34:edda6a7238ec 147 for (int index = 0; index < cNbBytes; index++)
Wolfgang Betz 34:edda6a7238ec 148 {
jmhong 83:54b207156a91 149 _spi.write(pcBuffer[index]);
Wolfgang Betz 34:edda6a7238ec 150 }
Wolfgang Betz 34:edda6a7238ec 151
Wolfgang Betz 34:edda6a7238ec 152 /* Puts the SPI chip select high to end the transaction */
Wolfgang Betz 34:edda6a7238ec 153 chip_sync_unselect();
Wolfgang Betz 34:edda6a7238ec 154
Wolfgang Betz 34:edda6a7238ec 155 return *pStatus;
Wolfgang Betz 34:edda6a7238ec 156 }
Wolfgang Betz 34:edda6a7238ec 157
Wolfgang Betz 34:edda6a7238ec 158
Wolfgang Betz 34:edda6a7238ec 159 /**
Wolfgang Betz 34:edda6a7238ec 160 * @brief Read single or multiple SPIRIT1 register
Wolfgang Betz 34:edda6a7238ec 161 * @param cRegAddress: base register's address to be read
Wolfgang Betz 34:edda6a7238ec 162 * @param cNbBytes: number of registers and bytes to be read
Wolfgang Betz 34:edda6a7238ec 163 * @param pcBuffer: pointer to the buffer of registers' values read
Wolfgang Betz 34:edda6a7238ec 164 * @retval StatusBytes
Wolfgang Betz 34:edda6a7238ec 165 */
Wolfgang Betz 34:edda6a7238ec 166 StatusBytes SdkEvalSpiReadRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 167 {
Wolfgang Betz 34:edda6a7238ec 168 return SimpleSpirit1::Instance().SdkEvalSpiReadRegisters(cRegAddress, cNbBytes, pcBuffer);
Wolfgang Betz 34:edda6a7238ec 169 }
Wolfgang Betz 34:edda6a7238ec 170
Wolfgang Betz 34:edda6a7238ec 171 StatusBytes SimpleSpirit1::SdkEvalSpiReadRegisters(uint8_t cRegAddress, uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 172 {
Wolfgang Betz 34:edda6a7238ec 173 uint16_t tmpstatus = 0x00;
Wolfgang Betz 34:edda6a7238ec 174 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
Wolfgang Betz 34:edda6a7238ec 175
Wolfgang Betz 34:edda6a7238ec 176 uint8_t aHeader[2] = {0};
Wolfgang Betz 34:edda6a7238ec 177
Wolfgang Betz 34:edda6a7238ec 178 /* Built the aHeader bytes */
Wolfgang Betz 34:edda6a7238ec 179 aHeader[0] = READ_HEADER;
Wolfgang Betz 34:edda6a7238ec 180 aHeader[1] = cRegAddress;
Wolfgang Betz 34:edda6a7238ec 181
Wolfgang Betz 34:edda6a7238ec 182 /* Put the SPI chip select low to start the transaction */
Wolfgang Betz 34:edda6a7238ec 183 chip_sync_select();
Wolfgang Betz 34:edda6a7238ec 184
Wolfgang Betz 34:edda6a7238ec 185 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 186 tmpstatus = _spi.write(aHeader[0]);
Wolfgang Betz 34:edda6a7238ec 187 tmpstatus = tmpstatus << 8;
Wolfgang Betz 34:edda6a7238ec 188
Wolfgang Betz 34:edda6a7238ec 189 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 190 tmpstatus |= _spi.write(aHeader[1]);
Wolfgang Betz 34:edda6a7238ec 191
Wolfgang Betz 34:edda6a7238ec 192 for (int index = 0; index < cNbBytes; index++)
Wolfgang Betz 34:edda6a7238ec 193 {
Wolfgang Betz 34:edda6a7238ec 194 pcBuffer[index] = _spi.write(0xFF);
Wolfgang Betz 34:edda6a7238ec 195 }
Wolfgang Betz 34:edda6a7238ec 196
Wolfgang Betz 34:edda6a7238ec 197 /* Put the SPI chip select high to end the transaction */
Wolfgang Betz 34:edda6a7238ec 198 chip_sync_unselect();
Wolfgang Betz 34:edda6a7238ec 199
Wolfgang Betz 34:edda6a7238ec 200 return *pStatus;
Wolfgang Betz 34:edda6a7238ec 201 }
Wolfgang Betz 34:edda6a7238ec 202
Wolfgang Betz 34:edda6a7238ec 203
Wolfgang Betz 34:edda6a7238ec 204 /**
Wolfgang Betz 34:edda6a7238ec 205 * @brief Send a command
Wolfgang Betz 34:edda6a7238ec 206 * @param cCommandCode: command code to be sent
Wolfgang Betz 34:edda6a7238ec 207 * @retval StatusBytes
Wolfgang Betz 34:edda6a7238ec 208 */
Wolfgang Betz 34:edda6a7238ec 209 StatusBytes SdkEvalSpiCommandStrobes(uint8_t cCommandCode)
Wolfgang Betz 34:edda6a7238ec 210 {
Wolfgang Betz 34:edda6a7238ec 211 return SimpleSpirit1::Instance().SdkEvalSpiCommandStrobes(cCommandCode);
Wolfgang Betz 34:edda6a7238ec 212 }
Wolfgang Betz 34:edda6a7238ec 213
Wolfgang Betz 34:edda6a7238ec 214 StatusBytes SimpleSpirit1::SdkEvalSpiCommandStrobes(uint8_t cCommandCode)
Wolfgang Betz 34:edda6a7238ec 215 {
Wolfgang Betz 34:edda6a7238ec 216 uint8_t aHeader[2] = {0};
Wolfgang Betz 34:edda6a7238ec 217 uint16_t tmpstatus = 0x0000;
Wolfgang Betz 34:edda6a7238ec 218
Wolfgang Betz 34:edda6a7238ec 219 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
Wolfgang Betz 34:edda6a7238ec 220
Wolfgang Betz 34:edda6a7238ec 221 /* Built the aHeader bytes */
Wolfgang Betz 34:edda6a7238ec 222 aHeader[0] = COMMAND_HEADER;
Wolfgang Betz 34:edda6a7238ec 223 aHeader[1] = cCommandCode;
Wolfgang Betz 34:edda6a7238ec 224
Wolfgang Betz 34:edda6a7238ec 225 /* Puts the SPI chip select low to start the transaction */
Wolfgang Betz 34:edda6a7238ec 226 chip_sync_select();
Wolfgang Betz 34:edda6a7238ec 227
Wolfgang Betz 34:edda6a7238ec 228 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 229 tmpstatus = _spi.write(aHeader[0]);
Wolfgang Betz 34:edda6a7238ec 230 tmpstatus = tmpstatus<<8;
Wolfgang Betz 34:edda6a7238ec 231
Wolfgang Betz 34:edda6a7238ec 232 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 233 tmpstatus |= _spi.write(aHeader[1]);
Wolfgang Betz 34:edda6a7238ec 234
Wolfgang Betz 34:edda6a7238ec 235 /* Puts the SPI chip select high to end the transaction */
Wolfgang Betz 34:edda6a7238ec 236 chip_sync_unselect();
Wolfgang Betz 34:edda6a7238ec 237
Wolfgang Betz 34:edda6a7238ec 238 return *pStatus;
Wolfgang Betz 34:edda6a7238ec 239 }
Wolfgang Betz 34:edda6a7238ec 240
Wolfgang Betz 34:edda6a7238ec 241
Wolfgang Betz 34:edda6a7238ec 242 /**
Wolfgang Betz 34:edda6a7238ec 243 * @brief Write data into TX FIFO
Wolfgang Betz 34:edda6a7238ec 244 * @param cNbBytes: number of bytes to be written into TX FIFO
Wolfgang Betz 34:edda6a7238ec 245 * @param pcBuffer: pointer to data to write
Wolfgang Betz 34:edda6a7238ec 246 * @retval StatusBytes
Wolfgang Betz 34:edda6a7238ec 247 */
Wolfgang Betz 34:edda6a7238ec 248 StatusBytes SdkEvalSpiWriteFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 249 {
Wolfgang Betz 34:edda6a7238ec 250 return SimpleSpirit1::Instance().SdkEvalSpiWriteFifo(cNbBytes, pcBuffer);
Wolfgang Betz 34:edda6a7238ec 251 }
Wolfgang Betz 34:edda6a7238ec 252
Wolfgang Betz 34:edda6a7238ec 253 StatusBytes SimpleSpirit1::SdkEvalSpiWriteFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 254 {
Wolfgang Betz 34:edda6a7238ec 255 uint16_t tmpstatus = 0x0000;
Wolfgang Betz 34:edda6a7238ec 256 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
Wolfgang Betz 34:edda6a7238ec 257
Wolfgang Betz 34:edda6a7238ec 258 uint8_t aHeader[2] = {0};
Wolfgang Betz 34:edda6a7238ec 259
Wolfgang Betz 34:edda6a7238ec 260 /* Built the aHeader bytes */
Wolfgang Betz 34:edda6a7238ec 261 aHeader[0] = WRITE_HEADER;
Wolfgang Betz 34:edda6a7238ec 262 aHeader[1] = LINEAR_FIFO_ADDRESS;
Wolfgang Betz 34:edda6a7238ec 263
Wolfgang Betz 34:edda6a7238ec 264 /* Put the SPI chip select low to start the transaction */
Wolfgang Betz 34:edda6a7238ec 265 chip_sync_select();
Wolfgang Betz 34:edda6a7238ec 266
Wolfgang Betz 34:edda6a7238ec 267 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 268 tmpstatus = _spi.write(aHeader[0]);
Wolfgang Betz 34:edda6a7238ec 269 tmpstatus = tmpstatus<<8;
Wolfgang Betz 34:edda6a7238ec 270
Wolfgang Betz 34:edda6a7238ec 271 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 272 tmpstatus |= _spi.write(aHeader[1]);
Wolfgang Betz 34:edda6a7238ec 273
Wolfgang Betz 34:edda6a7238ec 274 /* Writes the registers according to the number of bytes */
Wolfgang Betz 34:edda6a7238ec 275 for (int index = 0; index < cNbBytes; index++)
Wolfgang Betz 34:edda6a7238ec 276 {
Wolfgang Betz 34:edda6a7238ec 277 _spi.write(pcBuffer[index]);
Wolfgang Betz 34:edda6a7238ec 278 }
Wolfgang Betz 34:edda6a7238ec 279
Wolfgang Betz 34:edda6a7238ec 280 /* Put the SPI chip select high to end the transaction */
Wolfgang Betz 34:edda6a7238ec 281 chip_sync_unselect();
Wolfgang Betz 34:edda6a7238ec 282
Wolfgang Betz 34:edda6a7238ec 283 return *pStatus;
Wolfgang Betz 34:edda6a7238ec 284 }
Wolfgang Betz 34:edda6a7238ec 285
Wolfgang Betz 34:edda6a7238ec 286 /**
Wolfgang Betz 34:edda6a7238ec 287 * @brief Read data from RX FIFO
Wolfgang Betz 34:edda6a7238ec 288 * @param cNbBytes: number of bytes to read from RX FIFO
Wolfgang Betz 34:edda6a7238ec 289 * @param pcBuffer: pointer to data read from RX FIFO
Wolfgang Betz 34:edda6a7238ec 290 * @retval StatusBytes
Wolfgang Betz 34:edda6a7238ec 291 */
Wolfgang Betz 34:edda6a7238ec 292 StatusBytes SdkEvalSpiReadFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 293 {
Wolfgang Betz 34:edda6a7238ec 294 return SimpleSpirit1::Instance().SdkEvalSpiReadFifo(cNbBytes, pcBuffer);
Wolfgang Betz 34:edda6a7238ec 295 }
Wolfgang Betz 34:edda6a7238ec 296
Wolfgang Betz 34:edda6a7238ec 297 StatusBytes SimpleSpirit1::SdkEvalSpiReadFifo(uint8_t cNbBytes, uint8_t* pcBuffer)
Wolfgang Betz 34:edda6a7238ec 298 {
Wolfgang Betz 34:edda6a7238ec 299 uint16_t tmpstatus = 0x0000;
Wolfgang Betz 34:edda6a7238ec 300 StatusBytes *pStatus = (StatusBytes *)&tmpstatus;
Wolfgang Betz 34:edda6a7238ec 301
Wolfgang Betz 34:edda6a7238ec 302 uint8_t aHeader[2];
Wolfgang Betz 34:edda6a7238ec 303
Wolfgang Betz 34:edda6a7238ec 304 /* Built the aHeader bytes */
Wolfgang Betz 34:edda6a7238ec 305 aHeader[0]=READ_HEADER;
Wolfgang Betz 34:edda6a7238ec 306 aHeader[1]=LINEAR_FIFO_ADDRESS;
Wolfgang Betz 34:edda6a7238ec 307
Wolfgang Betz 34:edda6a7238ec 308 /* Put the SPI chip select low to start the transaction */
Wolfgang Betz 34:edda6a7238ec 309 chip_sync_select();
Wolfgang Betz 34:edda6a7238ec 310
Wolfgang Betz 34:edda6a7238ec 311 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 312 tmpstatus = _spi.write(aHeader[0]);
Wolfgang Betz 34:edda6a7238ec 313 tmpstatus = tmpstatus<<8;
Wolfgang Betz 34:edda6a7238ec 314
Wolfgang Betz 34:edda6a7238ec 315 /* Write the aHeader bytes and read the SPIRIT1 status bytes */
Wolfgang Betz 34:edda6a7238ec 316 tmpstatus |= _spi.write(aHeader[1]);
Wolfgang Betz 34:edda6a7238ec 317
Wolfgang Betz 34:edda6a7238ec 318 for (int index = 0; index < cNbBytes; index++)
Wolfgang Betz 34:edda6a7238ec 319 {
Wolfgang Betz 34:edda6a7238ec 320 pcBuffer[index] = _spi.write(0xFF);
Wolfgang Betz 34:edda6a7238ec 321 }
Wolfgang Betz 34:edda6a7238ec 322
Wolfgang Betz 34:edda6a7238ec 323 /* Put the SPI chip select high to end the transaction */
Wolfgang Betz 34:edda6a7238ec 324 chip_sync_unselect();
Wolfgang Betz 34:edda6a7238ec 325
Wolfgang Betz 34:edda6a7238ec 326 return *pStatus;
Wolfgang Betz 34:edda6a7238ec 327 }
Wolfgang Betz 34:edda6a7238ec 328
Wolfgang Betz 34:edda6a7238ec 329
Wolfgang Betz 34:edda6a7238ec 330 /**
Wolfgang Betz 34:edda6a7238ec 331 * @}
Wolfgang Betz 34:edda6a7238ec 332 */
Wolfgang Betz 34:edda6a7238ec 333
Wolfgang Betz 34:edda6a7238ec 334 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/