ST Expansion SW Team / Vl6180

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Dependencies:   VL6180_Board

Dependents:   X_NUCLEO_6180

X_NUCLEO_COMMON/DevSPI/DevSPI.h@3:b01812cb5250, 2020-11-10 (annotated)

Committer:
charlesmn
Date:
Tue Nov 10 16:09:01 2020 +0000
Revision:
3:b01812cb5250
Parent:
2:bc1d979ae392 
Used the correct version of RangeSensor.h which allows the program to build.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
charlesmn 2:bc1d979ae392 1 /**
charlesmn 2:bc1d979ae392 2 ******************************************************************************
charlesmn 2:bc1d979ae392 3 * @file DevSPI.h
charlesmn 2:bc1d979ae392 4 * @author AST / Software Platforms and Cloud / EST
charlesmn 2:bc1d979ae392 5 * @version V1.2.1
charlesmn 2:bc1d979ae392 6 * @date 19-February-2016
charlesmn 2:bc1d979ae392 7 * @brief Header file for a special SPI class DevSPI which provides some
charlesmn 2:bc1d979ae392 8 * helper functions for on-board communication.
charlesmn 2:bc1d979ae392 9 ******************************************************************************
charlesmn 2:bc1d979ae392 10 * @attention
charlesmn 2:bc1d979ae392 11 *
charlesmn 2:bc1d979ae392 12 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
charlesmn 2:bc1d979ae392 13 *
charlesmn 2:bc1d979ae392 14 * Redistribution and use in source and binary forms, with or without modification,
charlesmn 2:bc1d979ae392 15 * are permitted provided that the following conditions are met:
charlesmn 2:bc1d979ae392 16 * 1. Redistributions of source code must retain the above copyright notice,
charlesmn 2:bc1d979ae392 17 * this list of conditions and the following disclaimer.
charlesmn 2:bc1d979ae392 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
charlesmn 2:bc1d979ae392 19 * this list of conditions and the following disclaimer in the documentation
charlesmn 2:bc1d979ae392 20 * and/or other materials provided with the distribution.
charlesmn 2:bc1d979ae392 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
charlesmn 2:bc1d979ae392 22 * may be used to endorse or promote products derived from this software
charlesmn 2:bc1d979ae392 23 * without specific prior written permission.
charlesmn 2:bc1d979ae392 24 *
charlesmn 2:bc1d979ae392 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
charlesmn 2:bc1d979ae392 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
charlesmn 2:bc1d979ae392 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
charlesmn 2:bc1d979ae392 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
charlesmn 2:bc1d979ae392 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
charlesmn 2:bc1d979ae392 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
charlesmn 2:bc1d979ae392 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
charlesmn 2:bc1d979ae392 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
charlesmn 2:bc1d979ae392 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
charlesmn 2:bc1d979ae392 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
charlesmn 2:bc1d979ae392 35 *
charlesmn 2:bc1d979ae392 36 ******************************************************************************
charlesmn 2:bc1d979ae392 37 */
charlesmn 2:bc1d979ae392 38
charlesmn 2:bc1d979ae392 39 /* Define to prevent from recursive inclusion --------------------------------*/
charlesmn 2:bc1d979ae392 40 #ifndef __DEV_SPI_H
charlesmn 2:bc1d979ae392 41 #define __DEV_SPI_H
charlesmn 2:bc1d979ae392 42
charlesmn 2:bc1d979ae392 43 /* Includes ------------------------------------------------------------------*/
charlesmn 2:bc1d979ae392 44 #include "mbed.h"
charlesmn 2:bc1d979ae392 45
charlesmn 2:bc1d979ae392 46 /* Macros --------------------------------------------------------------------*/
charlesmn 2:bc1d979ae392 47 #if (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)) /* GCC */ || \
charlesmn 2:bc1d979ae392 48 (defined(G_BYTE_ORDER) && (G_BYTE_ORDER == G_BIG_ENDIAN)) /* IAR */ || \
charlesmn 2:bc1d979ae392 49 (defined(__BIG_ENDIAN)) /* ARM */
charlesmn 2:bc1d979ae392 50 #define __DEV_SPI_BIG_ENDIAN
charlesmn 2:bc1d979ae392 51 #endif
charlesmn 2:bc1d979ae392 52
charlesmn 2:bc1d979ae392 53 /* Classes -------------------------------------------------------------------*/
charlesmn 2:bc1d979ae392 54 /** Helper class DevSPI providing functions for synchronous SPI communication
charlesmn 2:bc1d979ae392 55 * common for a series of SPI devices.
charlesmn 2:bc1d979ae392 56 */
charlesmn 2:bc1d979ae392 57 class DevSPI : public SPI
charlesmn 2:bc1d979ae392 58 {
charlesmn 2:bc1d979ae392 59 public:
charlesmn 2:bc1d979ae392 60 /*
charlesmn 2:bc1d979ae392 61 * Create a DevSPI interface.
charlesmn 2:bc1d979ae392 62 * @param mosi pin name of the MOSI pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 63 * @param miso pin name of the MISO pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 64 * @param sclk pin name of the SCLK pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 65 */
charlesmn 2:bc1d979ae392 66 DevSPI(PinName mosi, PinName miso, PinName sclk) : SPI(mosi, miso, sclk)
charlesmn 2:bc1d979ae392 67 {
charlesmn 2:bc1d979ae392 68 /* Set default configuration. */
charlesmn 2:bc1d979ae392 69 setup(8, 3, 1E6);
charlesmn 2:bc1d979ae392 70 }
charlesmn 2:bc1d979ae392 71
charlesmn 2:bc1d979ae392 72 /*
charlesmn 2:bc1d979ae392 73 * Setup the spi.
charlesmn 2:bc1d979ae392 74 * Typically:
charlesmn 2:bc1d979ae392 75 * + 8 bit data;
charlesmn 2:bc1d979ae392 76 * + high steady state clock;
charlesmn 2:bc1d979ae392 77 * + second edge capture;
charlesmn 2:bc1d979ae392 78 * + 1MHz clock rate.
charlesmn 2:bc1d979ae392 79 *
charlesmn 2:bc1d979ae392 80 * @param bits Number of bits per SPI frame (4 - 16)
charlesmn 2:bc1d979ae392 81 * @param mode Clock polarity and phase mode (0 - 3)
charlesmn 2:bc1d979ae392 82 * @param frequency_hz SCLK frequency in hz (default = 1MHz)
charlesmn 2:bc1d979ae392 83 *
charlesmn 2:bc1d979ae392 84 * @code
charlesmn 2:bc1d979ae392 85 * mode | POL PHA
charlesmn 2:bc1d979ae392 86 * -----+--------
charlesmn 2:bc1d979ae392 87 * 0 | 0 0
charlesmn 2:bc1d979ae392 88 * 1 | 0 1
charlesmn 2:bc1d979ae392 89 * 2 | 1 0
charlesmn 2:bc1d979ae392 90 * 3 | 1 1
charlesmn 2:bc1d979ae392 91 * @endcode
charlesmn 2:bc1d979ae392 92 */
charlesmn 2:bc1d979ae392 93 void setup(int bits, int mode = 0, int frequency_hz = 1E6)
charlesmn 2:bc1d979ae392 94 {
charlesmn 2:bc1d979ae392 95 /* Set given configuration. */
charlesmn 2:bc1d979ae392 96 format(bits, mode);
charlesmn 2:bc1d979ae392 97 frequency(frequency_hz);
charlesmn 2:bc1d979ae392 98 }
charlesmn 2:bc1d979ae392 99
charlesmn 2:bc1d979ae392 100 /**
charlesmn 2:bc1d979ae392 101 * @brief Writes a buffer to the SPI peripheral device in 8-bit data mode
charlesmn 2:bc1d979ae392 102 * using synchronous SPI communication.
charlesmn 2:bc1d979ae392 103 * @param[in] pBuffer pointer to the buffer of data to send.
charlesmn 2:bc1d979ae392 104 * @param[in] ssel GPIO of the SSEL pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 105 * @param[in] NumBytesToWrite number of bytes to write.
charlesmn 2:bc1d979ae392 106 * @retval 0 if ok.
charlesmn 2:bc1d979ae392 107 * @retval -1 if data format error.
charlesmn 2:bc1d979ae392 108 * @note When using the SPI in Interrupt-mode, remember to disable interrupts
charlesmn 2:bc1d979ae392 109 * before calling this function and to enable them again after.
charlesmn 2:bc1d979ae392 110 */
charlesmn 2:bc1d979ae392 111 int spi_write(uint8_t* pBuffer, DigitalOut &ssel, uint16_t NumBytesToWrite)
charlesmn 2:bc1d979ae392 112 {
charlesmn 2:bc1d979ae392 113 /* Check data format */
charlesmn 2:bc1d979ae392 114 if(_bits != 8) return -1;
charlesmn 2:bc1d979ae392 115
charlesmn 2:bc1d979ae392 116 /* Select the chip. */
charlesmn 2:bc1d979ae392 117 ssel = 0;
charlesmn 2:bc1d979ae392 118
charlesmn 2:bc1d979ae392 119 /* Write data. */
charlesmn 2:bc1d979ae392 120 for (int i = 0; i < NumBytesToWrite; i++) {
charlesmn 2:bc1d979ae392 121 write(pBuffer[i]);
charlesmn 2:bc1d979ae392 122 }
charlesmn 2:bc1d979ae392 123
charlesmn 2:bc1d979ae392 124 /* Unselect the chip. */
charlesmn 2:bc1d979ae392 125 ssel = 1;
charlesmn 2:bc1d979ae392 126
charlesmn 2:bc1d979ae392 127 return 0;
charlesmn 2:bc1d979ae392 128 }
charlesmn 2:bc1d979ae392 129
charlesmn 2:bc1d979ae392 130 /**
charlesmn 2:bc1d979ae392 131 * @brief Reads a buffer from the SPI peripheral device in 8-bit data mode
charlesmn 2:bc1d979ae392 132 * using synchronous SPI communication.
charlesmn 2:bc1d979ae392 133 * @param[out] pBuffer pointer to the buffer to read data into.
charlesmn 2:bc1d979ae392 134 * @param[in] ssel GPIO of the SSEL pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 135 * @param[in] NumBytesToRead number of bytes to read.
charlesmn 2:bc1d979ae392 136 * @retval 0 if ok.
charlesmn 2:bc1d979ae392 137 * @retval -1 if data format error.
charlesmn 2:bc1d979ae392 138 * @note When using the SPI in Interrupt-mode, remember to disable interrupts
charlesmn 2:bc1d979ae392 139 * before calling this function and to enable them again after.
charlesmn 2:bc1d979ae392 140 */
charlesmn 2:bc1d979ae392 141 int spi_read(uint8_t* pBuffer, DigitalOut &ssel, uint16_t NumBytesToRead)
charlesmn 2:bc1d979ae392 142 {
charlesmn 2:bc1d979ae392 143 /* Check data format */
charlesmn 2:bc1d979ae392 144 if(_bits != 8) return -1;
charlesmn 2:bc1d979ae392 145
charlesmn 2:bc1d979ae392 146 /* Select the chip. */
charlesmn 2:bc1d979ae392 147 ssel = 0;
charlesmn 2:bc1d979ae392 148
charlesmn 2:bc1d979ae392 149 /* Read data. */
charlesmn 2:bc1d979ae392 150 for (int i = 0; i < NumBytesToRead; i++) {
charlesmn 2:bc1d979ae392 151 pBuffer[i] = write(0);
charlesmn 2:bc1d979ae392 152 }
charlesmn 2:bc1d979ae392 153
charlesmn 2:bc1d979ae392 154 /* Unselect the chip. */
charlesmn 2:bc1d979ae392 155 ssel = 1;
charlesmn 2:bc1d979ae392 156
charlesmn 2:bc1d979ae392 157 return 0;
charlesmn 2:bc1d979ae392 158 }
charlesmn 2:bc1d979ae392 159
charlesmn 2:bc1d979ae392 160 /**
charlesmn 2:bc1d979ae392 161 * @brief Reads and write a buffer from/to the SPI peripheral device at the same time
charlesmn 2:bc1d979ae392 162 * in 8-bit data mode using synchronous SPI communication.
charlesmn 2:bc1d979ae392 163 * @param[out] pBufferToRead pointer to the buffer to read data into.
charlesmn 2:bc1d979ae392 164 * @param[in] pBufferToWrite pointer to the buffer of data to send.
charlesmn 2:bc1d979ae392 165 * @param[in] ssel GPIO of the SSEL pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 166 * @param[in] NumBytes number of bytes to read and write.
charlesmn 2:bc1d979ae392 167 * @retval 0 if ok.
charlesmn 2:bc1d979ae392 168 * @retval -1 if data format error.
charlesmn 2:bc1d979ae392 169 * @note When using the SPI in Interrupt-mode, remember to disable interrupts
charlesmn 2:bc1d979ae392 170 * before calling this function and to enable them again after.
charlesmn 2:bc1d979ae392 171 */
charlesmn 2:bc1d979ae392 172 int spi_read_write(uint8_t* pBufferToRead, uint8_t* pBufferToWrite, DigitalOut &ssel, uint16_t NumBytes)
charlesmn 2:bc1d979ae392 173 {
charlesmn 2:bc1d979ae392 174 /* Check data format */
charlesmn 2:bc1d979ae392 175 if(_bits != 8) return -1;
charlesmn 2:bc1d979ae392 176
charlesmn 2:bc1d979ae392 177 /* Select the chip. */
charlesmn 2:bc1d979ae392 178 ssel = 0;
charlesmn 2:bc1d979ae392 179
charlesmn 2:bc1d979ae392 180 /* Read and write data at the same time. */
charlesmn 2:bc1d979ae392 181 for (int i = 0; i < NumBytes; i++) {
charlesmn 2:bc1d979ae392 182 pBufferToRead[i] = write(pBufferToWrite[i]);
charlesmn 2:bc1d979ae392 183 }
charlesmn 2:bc1d979ae392 184
charlesmn 2:bc1d979ae392 185 /* Unselect the chip. */
charlesmn 2:bc1d979ae392 186 ssel = 1;
charlesmn 2:bc1d979ae392 187
charlesmn 2:bc1d979ae392 188 return 0;
charlesmn 2:bc1d979ae392 189 }
charlesmn 2:bc1d979ae392 190
charlesmn 2:bc1d979ae392 191 /**
charlesmn 2:bc1d979ae392 192 * @brief Writes a buffer to the SPI peripheral device in 16-bit data mode
charlesmn 2:bc1d979ae392 193 * using synchronous SPI communication.
charlesmn 2:bc1d979ae392 194 * @param[in] pBuffer pointer to the buffer of data to send.
charlesmn 2:bc1d979ae392 195 * @param[in] ssel GPIO of the SSEL pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 196 * @param[in] NumValuesToWrite number of 16-bit values to write.
charlesmn 2:bc1d979ae392 197 * @retval 0 if ok.
charlesmn 2:bc1d979ae392 198 * @retval -1 if data format error.
charlesmn 2:bc1d979ae392 199 * @note When using the SPI in Interrupt-mode, remember to disable interrupts
charlesmn 2:bc1d979ae392 200 * before calling this function and to enable them again after.
charlesmn 2:bc1d979ae392 201 * @note In order to guarantee this method to work correctly you have to
charlesmn 2:bc1d979ae392 202 * pass buffers which are correctly aligned.
charlesmn 2:bc1d979ae392 203 */
charlesmn 2:bc1d979ae392 204 int spi_write(uint16_t* pBuffer, DigitalOut &ssel, uint16_t NumValuesToWrite)
charlesmn 2:bc1d979ae392 205 {
charlesmn 2:bc1d979ae392 206 /* Check data format */
charlesmn 2:bc1d979ae392 207 if(_bits != 16) return -1;
charlesmn 2:bc1d979ae392 208
charlesmn 2:bc1d979ae392 209 /* Select the chip. */
charlesmn 2:bc1d979ae392 210 ssel = 0;
charlesmn 2:bc1d979ae392 211
charlesmn 2:bc1d979ae392 212 /* Write data. */
charlesmn 2:bc1d979ae392 213 for (int i = 0; i < NumValuesToWrite; i++) {
charlesmn 2:bc1d979ae392 214 write(htons(pBuffer[i]));
charlesmn 2:bc1d979ae392 215 }
charlesmn 2:bc1d979ae392 216
charlesmn 2:bc1d979ae392 217 /* Unselect the chip. */
charlesmn 2:bc1d979ae392 218 ssel = 1;
charlesmn 2:bc1d979ae392 219
charlesmn 2:bc1d979ae392 220 return 0;
charlesmn 2:bc1d979ae392 221 }
charlesmn 2:bc1d979ae392 222
charlesmn 2:bc1d979ae392 223 /**
charlesmn 2:bc1d979ae392 224 * @brief Reads a buffer from the SPI peripheral device in 16-bit data mode
charlesmn 2:bc1d979ae392 225 * using synchronous SPI communication.
charlesmn 2:bc1d979ae392 226 * @param[out] pBuffer pointer to the buffer to read data into.
charlesmn 2:bc1d979ae392 227 * @param[in] ssel GPIO of the SSEL pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 228 * @param[in] NumValuesToRead number of 16-bit values to read.
charlesmn 2:bc1d979ae392 229 * @retval 0 if ok.
charlesmn 2:bc1d979ae392 230 * @retval -1 if data format error.
charlesmn 2:bc1d979ae392 231 * @note When using the SPI in Interrupt-mode, remember to disable interrupts
charlesmn 2:bc1d979ae392 232 * before calling this function and to enable them again after.
charlesmn 2:bc1d979ae392 233 * @note In order to guarantee this method to work correctly you have to
charlesmn 2:bc1d979ae392 234 * pass buffers which are correctly aligned.
charlesmn 2:bc1d979ae392 235 */
charlesmn 2:bc1d979ae392 236 int spi_read(uint16_t* pBuffer, DigitalOut &ssel, uint16_t NumValuesToRead)
charlesmn 2:bc1d979ae392 237 {
charlesmn 2:bc1d979ae392 238 /* Check data format */
charlesmn 2:bc1d979ae392 239 if(_bits != 16) return -1;
charlesmn 2:bc1d979ae392 240
charlesmn 2:bc1d979ae392 241 /* Select the chip. */
charlesmn 2:bc1d979ae392 242 ssel = 0;
charlesmn 2:bc1d979ae392 243
charlesmn 2:bc1d979ae392 244 /* Read data. */
charlesmn 2:bc1d979ae392 245 for (int i = 0; i < NumValuesToRead; i++) {
charlesmn 2:bc1d979ae392 246 pBuffer[i] = ntohs((uint16_t)write(0));
charlesmn 2:bc1d979ae392 247 }
charlesmn 2:bc1d979ae392 248
charlesmn 2:bc1d979ae392 249 /* Unselect the chip. */
charlesmn 2:bc1d979ae392 250 ssel = 1;
charlesmn 2:bc1d979ae392 251
charlesmn 2:bc1d979ae392 252 return 0;
charlesmn 2:bc1d979ae392 253 }
charlesmn 2:bc1d979ae392 254
charlesmn 2:bc1d979ae392 255 /**
charlesmn 2:bc1d979ae392 256 * @brief Reads and write a buffer from/to the SPI peripheral device at the same time
charlesmn 2:bc1d979ae392 257 * in 16-bit data mode using synchronous SPI communication.
charlesmn 2:bc1d979ae392 258 * @param[out] pBufferToRead pointer to the buffer to read data into.
charlesmn 2:bc1d979ae392 259 * @param[in] pBufferToWrite pointer to the buffer of data to send.
charlesmn 2:bc1d979ae392 260 * @param[in] ssel GPIO of the SSEL pin of the SPI device to be used for communication.
charlesmn 2:bc1d979ae392 261 * @param[in] NumValues number of 16-bit values to read and write.
charlesmn 2:bc1d979ae392 262 * @retval 0 if ok.
charlesmn 2:bc1d979ae392 263 * @retval -1 if data format error.
charlesmn 2:bc1d979ae392 264 * @note When using the SPI in Interrupt-mode, remember to disable interrupts
charlesmn 2:bc1d979ae392 265 * before calling this function and to enable them again after.
charlesmn 2:bc1d979ae392 266 * @note In order to guarantee this method to work correctly you have to
charlesmn 2:bc1d979ae392 267 * pass buffers which are correctly aligned.
charlesmn 2:bc1d979ae392 268 */
charlesmn 2:bc1d979ae392 269 int spi_read_write(uint16_t* pBufferToRead, uint16_t* pBufferToWrite, DigitalOut &ssel, uint16_t NumValues)
charlesmn 2:bc1d979ae392 270 {
charlesmn 2:bc1d979ae392 271 /* Check data format */
charlesmn 2:bc1d979ae392 272 if(_bits != 16) return -1;
charlesmn 2:bc1d979ae392 273
charlesmn 2:bc1d979ae392 274 /* Select the chip. */
charlesmn 2:bc1d979ae392 275 ssel = 0;
charlesmn 2:bc1d979ae392 276
charlesmn 2:bc1d979ae392 277 /* Read and write data at the same time. */
charlesmn 2:bc1d979ae392 278 for (int i = 0; i < NumValues; i++) {
charlesmn 2:bc1d979ae392 279 pBufferToRead[i] = ntohs((uint16_t)write(htons(pBufferToWrite[i])));
charlesmn 2:bc1d979ae392 280 }
charlesmn 2:bc1d979ae392 281
charlesmn 2:bc1d979ae392 282 /* Unselect the chip. */
charlesmn 2:bc1d979ae392 283 ssel = 1;
charlesmn 2:bc1d979ae392 284
charlesmn 2:bc1d979ae392 285 return 0;
charlesmn 2:bc1d979ae392 286 }
charlesmn 2:bc1d979ae392 287
charlesmn 2:bc1d979ae392 288 protected:
charlesmn 2:bc1d979ae392 289 inline uint16_t htons(uint16_t x) {
charlesmn 2:bc1d979ae392 290 #ifndef __DEV_SPI_BIG_ENDIAN
charlesmn 2:bc1d979ae392 291 return (((x)<<8)|((x)>>8));
charlesmn 2:bc1d979ae392 292 #else // __DEV_SPI_BIG_ENDIAN
charlesmn 2:bc1d979ae392 293 return (x);
charlesmn 2:bc1d979ae392 294 #endif // __DEV_SPI_BIG_ENDIAN
charlesmn 2:bc1d979ae392 295 }
charlesmn 2:bc1d979ae392 296
charlesmn 2:bc1d979ae392 297 inline uint16_t ntohs(uint16_t x) {
charlesmn 2:bc1d979ae392 298 return htons(x);
charlesmn 2:bc1d979ae392 299 }
charlesmn 2:bc1d979ae392 300 };
charlesmn 2:bc1d979ae392 301
charlesmn 2:bc1d979ae392 302 #endif /* __DEV_SPI_H */