Toyomasa Watarai / easy-connect-type-yd

Easily add all supported connectivity methods to your mbed OS project

Dependencies:   type-yd-driver

stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_PktMbus.c@0:615f90842ce8, 2017-07-12 (annotated)

Committer:
MACRUM
Date:
Wed Jul 12 10:52:58 2017 +0000
Revision:
0:615f90842ce8
Initial commit

Who changed what in which revision?

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MACRUM 0:615f90842ce8 1 /**
MACRUM 0:615f90842ce8 2 ******************************************************************************
MACRUM 0:615f90842ce8 3 * @file SPIRIT_PktMbus.c
MACRUM 0:615f90842ce8 4 * @author VMA division - AMS
MACRUM 0:615f90842ce8 5 * @version 3.2.2
MACRUM 0:615f90842ce8 6 * @date 08-July-2015
MACRUM 0:615f90842ce8 7 * @brief Configuration and management of SPIRIT MBUS packets.
MACRUM 0:615f90842ce8 8 * @details
MACRUM 0:615f90842ce8 9 *
MACRUM 0:615f90842ce8 10 * @attention
MACRUM 0:615f90842ce8 11 *
MACRUM 0:615f90842ce8 12 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
MACRUM 0:615f90842ce8 13 *
MACRUM 0:615f90842ce8 14 * Redistribution and use in source and binary forms, with or without modification,
MACRUM 0:615f90842ce8 15 * are permitted provided that the following conditions are met:
MACRUM 0:615f90842ce8 16 * 1. Redistributions of source code must retain the above copyright notice,
MACRUM 0:615f90842ce8 17 * this list of conditions and the following disclaimer.
MACRUM 0:615f90842ce8 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
MACRUM 0:615f90842ce8 19 * this list of conditions and the following disclaimer in the documentation
MACRUM 0:615f90842ce8 20 * and/or other materials provided with the distribution.
MACRUM 0:615f90842ce8 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
MACRUM 0:615f90842ce8 22 * may be used to endorse or promote products derived from this software
MACRUM 0:615f90842ce8 23 * without specific prior written permission.
MACRUM 0:615f90842ce8 24 *
MACRUM 0:615f90842ce8 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
MACRUM 0:615f90842ce8 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
MACRUM 0:615f90842ce8 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
MACRUM 0:615f90842ce8 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
MACRUM 0:615f90842ce8 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
MACRUM 0:615f90842ce8 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
MACRUM 0:615f90842ce8 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
MACRUM 0:615f90842ce8 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
MACRUM 0:615f90842ce8 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
MACRUM 0:615f90842ce8 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
MACRUM 0:615f90842ce8 35 *
MACRUM 0:615f90842ce8 36 ******************************************************************************
MACRUM 0:615f90842ce8 37 */
MACRUM 0:615f90842ce8 38
MACRUM 0:615f90842ce8 39 /* Includes ------------------------------------------------------------------*/
MACRUM 0:615f90842ce8 40 #include "SPIRIT_PktMbus.h"
MACRUM 0:615f90842ce8 41 #include "SPIRIT_Radio.h"
MACRUM 0:615f90842ce8 42 #include "MCU_Interface.h"
MACRUM 0:615f90842ce8 43
MACRUM 0:615f90842ce8 44 /**
MACRUM 0:615f90842ce8 45 * @addtogroup SPIRIT_Libraries
MACRUM 0:615f90842ce8 46 * @{
MACRUM 0:615f90842ce8 47 */
MACRUM 0:615f90842ce8 48
MACRUM 0:615f90842ce8 49
MACRUM 0:615f90842ce8 50 /**
MACRUM 0:615f90842ce8 51 * @addtogroup SPIRIT_PktMbus
MACRUM 0:615f90842ce8 52 * @{
MACRUM 0:615f90842ce8 53 */
MACRUM 0:615f90842ce8 54
MACRUM 0:615f90842ce8 55
MACRUM 0:615f90842ce8 56 /**
MACRUM 0:615f90842ce8 57 * @defgroup PktMbus_Private_TypesDefinitions Pkt MBUS Private Types Definitions
MACRUM 0:615f90842ce8 58 * @{
MACRUM 0:615f90842ce8 59 */
MACRUM 0:615f90842ce8 60
MACRUM 0:615f90842ce8 61 /**
MACRUM 0:615f90842ce8 62 *@}
MACRUM 0:615f90842ce8 63 */
MACRUM 0:615f90842ce8 64
MACRUM 0:615f90842ce8 65
MACRUM 0:615f90842ce8 66 /**
MACRUM 0:615f90842ce8 67 * @defgroup PktMbus_Private_Defines Pkt MBUS Private Defines
MACRUM 0:615f90842ce8 68 * @{
MACRUM 0:615f90842ce8 69 */
MACRUM 0:615f90842ce8 70
MACRUM 0:615f90842ce8 71 /**
MACRUM 0:615f90842ce8 72 *@}
MACRUM 0:615f90842ce8 73 */
MACRUM 0:615f90842ce8 74
MACRUM 0:615f90842ce8 75
MACRUM 0:615f90842ce8 76 /**
MACRUM 0:615f90842ce8 77 * @defgroup PktMbus_Private_Macros Pkt MBUS Private Macros
MACRUM 0:615f90842ce8 78 * @{
MACRUM 0:615f90842ce8 79 */
MACRUM 0:615f90842ce8 80
MACRUM 0:615f90842ce8 81 /**
MACRUM 0:615f90842ce8 82 *@}
MACRUM 0:615f90842ce8 83 */
MACRUM 0:615f90842ce8 84
MACRUM 0:615f90842ce8 85
MACRUM 0:615f90842ce8 86 /**
MACRUM 0:615f90842ce8 87 * @defgroup PktMbus_Private_Variables Pkt MBUS Private Variables
MACRUM 0:615f90842ce8 88 * @{
MACRUM 0:615f90842ce8 89 */
MACRUM 0:615f90842ce8 90
MACRUM 0:615f90842ce8 91 /**
MACRUM 0:615f90842ce8 92 *@}
MACRUM 0:615f90842ce8 93 */
MACRUM 0:615f90842ce8 94
MACRUM 0:615f90842ce8 95
MACRUM 0:615f90842ce8 96 /**
MACRUM 0:615f90842ce8 97 * @defgroup PktMbus_Private_FunctionPrototypes Pkt MBUS Private Function Prototypes
MACRUM 0:615f90842ce8 98 * @{
MACRUM 0:615f90842ce8 99 */
MACRUM 0:615f90842ce8 100
MACRUM 0:615f90842ce8 101 /**
MACRUM 0:615f90842ce8 102 *@}
MACRUM 0:615f90842ce8 103 */
MACRUM 0:615f90842ce8 104
MACRUM 0:615f90842ce8 105
MACRUM 0:615f90842ce8 106 /**
MACRUM 0:615f90842ce8 107 * @defgroup PktMbus_Private_Functions Pkt MBUS Private Functions
MACRUM 0:615f90842ce8 108 * @{
MACRUM 0:615f90842ce8 109 */
MACRUM 0:615f90842ce8 110
MACRUM 0:615f90842ce8 111
MACRUM 0:615f90842ce8 112 /**
MACRUM 0:615f90842ce8 113 * @brief Initializes the SPIRIT MBUS packet according to the specified parameters in the PktMbusInit struct.
MACRUM 0:615f90842ce8 114 * @param pxPktMbusInit pointer to a PktMbusInit structure that contains the configuration information for the specified SPIRIT MBUS PACKET FORMAT.
MACRUM 0:615f90842ce8 115 * This parameter is a pointer to @ref PktMbusInit.
MACRUM 0:615f90842ce8 116 * @retval None.
MACRUM 0:615f90842ce8 117 */
MACRUM 0:615f90842ce8 118 void SpiritPktMbusInit(PktMbusInit* pxPktMbusInit)
MACRUM 0:615f90842ce8 119 {
MACRUM 0:615f90842ce8 120 uint8_t tempRegValue[3];
MACRUM 0:615f90842ce8 121
MACRUM 0:615f90842ce8 122 /* Check the parameters */
MACRUM 0:615f90842ce8 123 s_assert_param(IS_MBUS_SUBMODE(pxPktMbusInit->xMbusSubmode));
MACRUM 0:615f90842ce8 124
MACRUM 0:615f90842ce8 125 /* Packet format config */
MACRUM 0:615f90842ce8 126 SpiritPktMbusSetFormat();
MACRUM 0:615f90842ce8 127 SpiritPktCommonFilterOnCrc(S_DISABLE);
MACRUM 0:615f90842ce8 128 SpiritRadioCsBlanking(S_ENABLE);
MACRUM 0:615f90842ce8 129
MACRUM 0:615f90842ce8 130 /* Preamble, postamble and submode config */
MACRUM 0:615f90842ce8 131 tempRegValue[0] = pxPktMbusInit->cPreambleLength;
MACRUM 0:615f90842ce8 132 tempRegValue[1] = pxPktMbusInit->cPostambleLength;
MACRUM 0:615f90842ce8 133 tempRegValue[2] = (uint8_t) pxPktMbusInit->xMbusSubmode;
MACRUM 0:615f90842ce8 134
MACRUM 0:615f90842ce8 135 /* Writes the new values on the MBUS_PRMBL registers */
MACRUM 0:615f90842ce8 136 g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
MACRUM 0:615f90842ce8 137
MACRUM 0:615f90842ce8 138 }
MACRUM 0:615f90842ce8 139
MACRUM 0:615f90842ce8 140 /**
MACRUM 0:615f90842ce8 141 * @brief Returns the SPIRIT MBUS packet structure according to the specified parameters in the registers.
MACRUM 0:615f90842ce8 142 * @param pxPktMbusInit MBUS packet init structure.
MACRUM 0:615f90842ce8 143 * This parameter is a pointer to @ref PktMbusInit.
MACRUM 0:615f90842ce8 144 * @retval None.
MACRUM 0:615f90842ce8 145 */
MACRUM 0:615f90842ce8 146 void SpiritPktMbusGetInfo(PktMbusInit* pxPktMbusInit)
MACRUM 0:615f90842ce8 147 {
MACRUM 0:615f90842ce8 148 uint8_t tempRegValue[3];
MACRUM 0:615f90842ce8 149
MACRUM 0:615f90842ce8 150 /* Reads the MBUS regs value */
MACRUM 0:615f90842ce8 151 g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
MACRUM 0:615f90842ce8 152
MACRUM 0:615f90842ce8 153 /* Fit the structure */
MACRUM 0:615f90842ce8 154 pxPktMbusInit->cPreambleLength = tempRegValue[0];
MACRUM 0:615f90842ce8 155 pxPktMbusInit->cPostambleLength = tempRegValue[1];
MACRUM 0:615f90842ce8 156 pxPktMbusInit->xMbusSubmode = (MbusSubmode) (tempRegValue[2]&0x0E);
MACRUM 0:615f90842ce8 157
MACRUM 0:615f90842ce8 158 }
MACRUM 0:615f90842ce8 159
MACRUM 0:615f90842ce8 160
MACRUM 0:615f90842ce8 161 /**
MACRUM 0:615f90842ce8 162 * @brief Configures the MBUS packet format as the one used by SPIRIT.
MACRUM 0:615f90842ce8 163 * @param None.
MACRUM 0:615f90842ce8 164 * @retval None.
MACRUM 0:615f90842ce8 165 */
MACRUM 0:615f90842ce8 166 void SpiritPktMbusSetFormat(void)
MACRUM 0:615f90842ce8 167 {
MACRUM 0:615f90842ce8 168 uint8_t tempRegValue;
MACRUM 0:615f90842ce8 169
MACRUM 0:615f90842ce8 170 /* Reads the PCKTCTRL3 register value */
MACRUM 0:615f90842ce8 171 g_xStatus = SpiritSpiReadRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 172
MACRUM 0:615f90842ce8 173 /* Sets format bits. Also set to 0 the direct RX mode bits */
MACRUM 0:615f90842ce8 174 tempRegValue &= 0x0F;
MACRUM 0:615f90842ce8 175 tempRegValue |= ((uint8_t)PCKTCTRL3_PCKT_FRMT_MBUS);
MACRUM 0:615f90842ce8 176
MACRUM 0:615f90842ce8 177 /* Writes value on the PCKTCTRL3 register */
MACRUM 0:615f90842ce8 178 g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 179
MACRUM 0:615f90842ce8 180 /* Reads the PCKTCTRL1 register value */
MACRUM 0:615f90842ce8 181 g_xStatus = SpiritSpiReadRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 182
MACRUM 0:615f90842ce8 183 /* Build the new value. Set to 0 the direct TX mode bits */
MACRUM 0:615f90842ce8 184 tempRegValue &= 0xF3;
MACRUM 0:615f90842ce8 185
MACRUM 0:615f90842ce8 186 /* Writes the value on the PCKTCTRL1 register */
MACRUM 0:615f90842ce8 187 g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 188
MACRUM 0:615f90842ce8 189 /* Reads the PROTOCOL1 register */
MACRUM 0:615f90842ce8 190 g_xStatus = SpiritSpiReadRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 191
MACRUM 0:615f90842ce8 192 /* Mask a reserved bit */
MACRUM 0:615f90842ce8 193 tempRegValue &= ~0x20;
MACRUM 0:615f90842ce8 194
MACRUM 0:615f90842ce8 195 /* Writes the value on the PROTOCOL1 register */
MACRUM 0:615f90842ce8 196 g_xStatus = SpiritSpiWriteRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 197
MACRUM 0:615f90842ce8 198 }
MACRUM 0:615f90842ce8 199
MACRUM 0:615f90842ce8 200
MACRUM 0:615f90842ce8 201 /**
MACRUM 0:615f90842ce8 202 * @brief Sets how many chip sequence “01” shall be added in the preamble
MACRUM 0:615f90842ce8 203 * respect to the minimum value as defined according to the specified sub-mode.
MACRUM 0:615f90842ce8 204 * @param cPreamble the number of chip sequence.
MACRUM 0:615f90842ce8 205 * This parameter is an uint8_t.
MACRUM 0:615f90842ce8 206 * @retval None.
MACRUM 0:615f90842ce8 207 */
MACRUM 0:615f90842ce8 208 void SpiritPktMbusSetPreamble(uint8_t cPreamble)
MACRUM 0:615f90842ce8 209 {
MACRUM 0:615f90842ce8 210 /* Modifies the MBUS_PRMBL register value */
MACRUM 0:615f90842ce8 211 g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 1, &cPreamble);
MACRUM 0:615f90842ce8 212
MACRUM 0:615f90842ce8 213 }
MACRUM 0:615f90842ce8 214
MACRUM 0:615f90842ce8 215
MACRUM 0:615f90842ce8 216 /**
MACRUM 0:615f90842ce8 217 * @brief Returns how many chip sequence "01" are added in the preamble
MACRUM 0:615f90842ce8 218 * respect to the minimum value as defined according to the specified sub-mode.
MACRUM 0:615f90842ce8 219 * @param None.
MACRUM 0:615f90842ce8 220 * @retval uint8_t Preable in number of "01" chip sequences.
MACRUM 0:615f90842ce8 221 */
MACRUM 0:615f90842ce8 222 uint8_t SpiritPktMbusGetPreamble(void)
MACRUM 0:615f90842ce8 223 {
MACRUM 0:615f90842ce8 224 uint8_t tempRegValue;
MACRUM 0:615f90842ce8 225
MACRUM 0:615f90842ce8 226 /* Modifies the MBUS_PRMBL register value */
MACRUM 0:615f90842ce8 227 g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 228
MACRUM 0:615f90842ce8 229 /* Return value */
MACRUM 0:615f90842ce8 230 return tempRegValue;
MACRUM 0:615f90842ce8 231
MACRUM 0:615f90842ce8 232 }
MACRUM 0:615f90842ce8 233
MACRUM 0:615f90842ce8 234
MACRUM 0:615f90842ce8 235 /**
MACRUM 0:615f90842ce8 236 * @brief Sets how many chip sequence “01” will be used in postamble
MACRUM 0:615f90842ce8 237 * @param cPostamble the number of chip sequence.
MACRUM 0:615f90842ce8 238 * This parameter is an uint8_t.
MACRUM 0:615f90842ce8 239 * @retval None.
MACRUM 0:615f90842ce8 240 */
MACRUM 0:615f90842ce8 241 void SpiritPktMbusSetPostamble(uint8_t cPostamble)
MACRUM 0:615f90842ce8 242 {
MACRUM 0:615f90842ce8 243 /* Modifies the MBUS_PSTMBL register value */
MACRUM 0:615f90842ce8 244 g_xStatus = SpiritSpiWriteRegisters(MBUS_PSTMBL_BASE, 1, &cPostamble);
MACRUM 0:615f90842ce8 245
MACRUM 0:615f90842ce8 246 }
MACRUM 0:615f90842ce8 247
MACRUM 0:615f90842ce8 248
MACRUM 0:615f90842ce8 249 /**
MACRUM 0:615f90842ce8 250 * @brief Returns how many chip sequence "01" are used in the postamble
MACRUM 0:615f90842ce8 251 * @param None.
MACRUM 0:615f90842ce8 252 * @retval uint8_t Postamble in number of "01" chip sequences.
MACRUM 0:615f90842ce8 253 */
MACRUM 0:615f90842ce8 254 uint8_t SpiritPktMbusGetPostamble(void)
MACRUM 0:615f90842ce8 255 {
MACRUM 0:615f90842ce8 256 uint8_t tempRegValue;
MACRUM 0:615f90842ce8 257
MACRUM 0:615f90842ce8 258 /* Reads the MBUS_PSTMBL register */
MACRUM 0:615f90842ce8 259 g_xStatus = SpiritSpiReadRegisters(MBUS_PSTMBL_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 260
MACRUM 0:615f90842ce8 261 /* Returns value */
MACRUM 0:615f90842ce8 262 return tempRegValue;
MACRUM 0:615f90842ce8 263
MACRUM 0:615f90842ce8 264 }
MACRUM 0:615f90842ce8 265
MACRUM 0:615f90842ce8 266
MACRUM 0:615f90842ce8 267 /**
MACRUM 0:615f90842ce8 268 * @brief Sets the MBUS submode used.
MACRUM 0:615f90842ce8 269 * @param xMbusSubmode the submode used.
MACRUM 0:615f90842ce8 270 * This parameter can be any value of @ref MbusSubmode.
MACRUM 0:615f90842ce8 271 * @retval None.
MACRUM 0:615f90842ce8 272 */
MACRUM 0:615f90842ce8 273 void SpiritPktMbusSetSubmode(MbusSubmode xMbusSubmode)
MACRUM 0:615f90842ce8 274 {
MACRUM 0:615f90842ce8 275 /* Modifies the MBUS_CTRL register value */
MACRUM 0:615f90842ce8 276 g_xStatus = SpiritSpiWriteRegisters(MBUS_CTRL_BASE, 1, (uint8_t*)xMbusSubmode);
MACRUM 0:615f90842ce8 277
MACRUM 0:615f90842ce8 278 }
MACRUM 0:615f90842ce8 279
MACRUM 0:615f90842ce8 280
MACRUM 0:615f90842ce8 281 /**
MACRUM 0:615f90842ce8 282 * @brief Returns the MBUS submode used.
MACRUM 0:615f90842ce8 283 * @param None.
MACRUM 0:615f90842ce8 284 * @retval MbusSubmode MBUS submode.
MACRUM 0:615f90842ce8 285 */
MACRUM 0:615f90842ce8 286 MbusSubmode SpiritPktMbusGetSubmode(void)
MACRUM 0:615f90842ce8 287 {
MACRUM 0:615f90842ce8 288 uint8_t tempRegValue;
MACRUM 0:615f90842ce8 289
MACRUM 0:615f90842ce8 290 /* Reads the MBUS_CTRL register value */
MACRUM 0:615f90842ce8 291 g_xStatus = SpiritSpiReadRegisters(MBUS_CTRL_BASE, 1, &tempRegValue);
MACRUM 0:615f90842ce8 292
MACRUM 0:615f90842ce8 293 /* Returns value */
MACRUM 0:615f90842ce8 294 return (MbusSubmode) tempRegValue;
MACRUM 0:615f90842ce8 295
MACRUM 0:615f90842ce8 296 }
MACRUM 0:615f90842ce8 297
MACRUM 0:615f90842ce8 298
MACRUM 0:615f90842ce8 299 /**
MACRUM 0:615f90842ce8 300 * @brief Sets the payload length for SPIRIT MBUS packets.
MACRUM 0:615f90842ce8 301 * @param nPayloadLength payload length in bytes.
MACRUM 0:615f90842ce8 302 * This parameter is an uint16_t.
MACRUM 0:615f90842ce8 303 * @retval None.
MACRUM 0:615f90842ce8 304 */
MACRUM 0:615f90842ce8 305 void SpiritPktMbusSetPayloadLength(uint16_t nPayloadLength)
MACRUM 0:615f90842ce8 306 {
MACRUM 0:615f90842ce8 307 uint8_t tempRegValue[2];
MACRUM 0:615f90842ce8 308
MACRUM 0:615f90842ce8 309 /* Computes PCKTLEN0 value from nPayloadLength */
MACRUM 0:615f90842ce8 310 tempRegValue[1]=BUILD_PCKTLEN0(nPayloadLength);//(uint8_t)nPayloadLength;
MACRUM 0:615f90842ce8 311 /* Computes PCKTLEN1 value from nPayloadLength */
MACRUM 0:615f90842ce8 312 tempRegValue[0]=BUILD_PCKTLEN1(nPayloadLength);//(uint8_t)(nPayloadLength>>8);
MACRUM 0:615f90842ce8 313
MACRUM 0:615f90842ce8 314 /* Writes data on the PCKTLEN1/0 register */
MACRUM 0:615f90842ce8 315 g_xStatus = SpiritSpiWriteRegisters(PCKTLEN1_BASE, 2, tempRegValue);
MACRUM 0:615f90842ce8 316
MACRUM 0:615f90842ce8 317 }
MACRUM 0:615f90842ce8 318
MACRUM 0:615f90842ce8 319
MACRUM 0:615f90842ce8 320 /**
MACRUM 0:615f90842ce8 321 * @brief Returns the payload length for SPIRIT MBUS packets.
MACRUM 0:615f90842ce8 322 * @param None.
MACRUM 0:615f90842ce8 323 * @retval uint16_t Payload length in bytes.
MACRUM 0:615f90842ce8 324 */
MACRUM 0:615f90842ce8 325 uint16_t SpiritPktMbusGetPayloadLength(void)
MACRUM 0:615f90842ce8 326 {
MACRUM 0:615f90842ce8 327 uint8_t tempRegValue[2];
MACRUM 0:615f90842ce8 328
MACRUM 0:615f90842ce8 329 /* Reads the packet length registers */
MACRUM 0:615f90842ce8 330 g_xStatus = SpiritSpiReadRegisters(PCKTLEN1_BASE, 2, tempRegValue);
MACRUM 0:615f90842ce8 331
MACRUM 0:615f90842ce8 332 /* Returns the packet length */
MACRUM 0:615f90842ce8 333 return ((((uint16_t)tempRegValue[0])<<8) + (uint16_t) tempRegValue[1]);
MACRUM 0:615f90842ce8 334
MACRUM 0:615f90842ce8 335 }
MACRUM 0:615f90842ce8 336
MACRUM 0:615f90842ce8 337 /**
MACRUM 0:615f90842ce8 338 *@}
MACRUM 0:615f90842ce8 339 */
MACRUM 0:615f90842ce8 340
MACRUM 0:615f90842ce8 341 /**
MACRUM 0:615f90842ce8 342 *@}
MACRUM 0:615f90842ce8 343 */
MACRUM 0:615f90842ce8 344
MACRUM 0:615f90842ce8 345
MACRUM 0:615f90842ce8 346 /**
MACRUM 0:615f90842ce8 347 *@}
MACRUM 0:615f90842ce8 348 */
MACRUM 0:615f90842ce8 349
MACRUM 0:615f90842ce8 350
MACRUM 0:615f90842ce8 351
MACRUM 0:615f90842ce8 352
MACRUM 0:615f90842ce8 353
MACRUM 0:615f90842ce8 354 /******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/