Jim Flynn / Mbed OS wifi_Example

wifi test

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easy-connect/stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_PktMbus.c@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 SPIRIT_PktMbus.c
JMF 0:24d3eb812fd4 4 * @author VMA division - AMS
JMF 0:24d3eb812fd4 5 * @version 3.2.2
JMF 0:24d3eb812fd4 6 * @date 08-July-2015
JMF 0:24d3eb812fd4 7 * @brief Configuration and management of SPIRIT MBUS packets.
JMF 0:24d3eb812fd4 8 * @details
JMF 0:24d3eb812fd4 9 *
JMF 0:24d3eb812fd4 10 * @attention
JMF 0:24d3eb812fd4 11 *
JMF 0:24d3eb812fd4 12 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
JMF 0:24d3eb812fd4 13 *
JMF 0:24d3eb812fd4 14 * Redistribution and use in source and binary forms, with or without modification,
JMF 0:24d3eb812fd4 15 * are permitted provided that the following conditions are met:
JMF 0:24d3eb812fd4 16 * 1. Redistributions of source code must retain the above copyright notice,
JMF 0:24d3eb812fd4 17 * this list of conditions and the following disclaimer.
JMF 0:24d3eb812fd4 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
JMF 0:24d3eb812fd4 19 * this list of conditions and the following disclaimer in the documentation
JMF 0:24d3eb812fd4 20 * and/or other materials provided with the distribution.
JMF 0:24d3eb812fd4 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
JMF 0:24d3eb812fd4 22 * may be used to endorse or promote products derived from this software
JMF 0:24d3eb812fd4 23 * without specific prior written permission.
JMF 0:24d3eb812fd4 24 *
JMF 0:24d3eb812fd4 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
JMF 0:24d3eb812fd4 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
JMF 0:24d3eb812fd4 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
JMF 0:24d3eb812fd4 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
JMF 0:24d3eb812fd4 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
JMF 0:24d3eb812fd4 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
JMF 0:24d3eb812fd4 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
JMF 0:24d3eb812fd4 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
JMF 0:24d3eb812fd4 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
JMF 0:24d3eb812fd4 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 "SPIRIT_PktMbus.h"
JMF 0:24d3eb812fd4 41 #include "SPIRIT_Radio.h"
JMF 0:24d3eb812fd4 42 #include "MCU_Interface.h"
JMF 0:24d3eb812fd4 43
JMF 0:24d3eb812fd4 44 /**
JMF 0:24d3eb812fd4 45 * @addtogroup SPIRIT_Libraries
JMF 0:24d3eb812fd4 46 * @{
JMF 0:24d3eb812fd4 47 */
JMF 0:24d3eb812fd4 48
JMF 0:24d3eb812fd4 49
JMF 0:24d3eb812fd4 50 /**
JMF 0:24d3eb812fd4 51 * @addtogroup SPIRIT_PktMbus
JMF 0:24d3eb812fd4 52 * @{
JMF 0:24d3eb812fd4 53 */
JMF 0:24d3eb812fd4 54
JMF 0:24d3eb812fd4 55
JMF 0:24d3eb812fd4 56 /**
JMF 0:24d3eb812fd4 57 * @defgroup PktMbus_Private_TypesDefinitions Pkt MBUS Private Types Definitions
JMF 0:24d3eb812fd4 58 * @{
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 * @defgroup PktMbus_Private_Defines Pkt MBUS Private Defines
JMF 0:24d3eb812fd4 68 * @{
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 * @defgroup PktMbus_Private_Macros Pkt MBUS Private Macros
JMF 0:24d3eb812fd4 78 * @{
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 * @defgroup PktMbus_Private_Variables Pkt MBUS Private Variables
JMF 0:24d3eb812fd4 88 * @{
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 * @defgroup PktMbus_Private_FunctionPrototypes Pkt MBUS Private Function Prototypes
JMF 0:24d3eb812fd4 98 * @{
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 PktMbus_Private_Functions Pkt MBUS 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 * @brief Initializes the SPIRIT MBUS packet according to the specified parameters in the PktMbusInit struct.
JMF 0:24d3eb812fd4 114 * @param pxPktMbusInit pointer to a PktMbusInit structure that contains the configuration information for the specified SPIRIT MBUS PACKET FORMAT.
JMF 0:24d3eb812fd4 115 * This parameter is a pointer to @ref PktMbusInit.
JMF 0:24d3eb812fd4 116 * @retval None.
JMF 0:24d3eb812fd4 117 */
JMF 0:24d3eb812fd4 118 void SpiritPktMbusInit(PktMbusInit* pxPktMbusInit)
JMF 0:24d3eb812fd4 119 {
JMF 0:24d3eb812fd4 120 uint8_t tempRegValue[3];
JMF 0:24d3eb812fd4 121
JMF 0:24d3eb812fd4 122 /* Check the parameters */
JMF 0:24d3eb812fd4 123 s_assert_param(IS_MBUS_SUBMODE(pxPktMbusInit->xMbusSubmode));
JMF 0:24d3eb812fd4 124
JMF 0:24d3eb812fd4 125 /* Packet format config */
JMF 0:24d3eb812fd4 126 SpiritPktMbusSetFormat();
JMF 0:24d3eb812fd4 127 SpiritPktCommonFilterOnCrc(S_DISABLE);
JMF 0:24d3eb812fd4 128 SpiritRadioCsBlanking(S_ENABLE);
JMF 0:24d3eb812fd4 129
JMF 0:24d3eb812fd4 130 /* Preamble, postamble and submode config */
JMF 0:24d3eb812fd4 131 tempRegValue[0] = pxPktMbusInit->cPreambleLength;
JMF 0:24d3eb812fd4 132 tempRegValue[1] = pxPktMbusInit->cPostambleLength;
JMF 0:24d3eb812fd4 133 tempRegValue[2] = (uint8_t) pxPktMbusInit->xMbusSubmode;
JMF 0:24d3eb812fd4 134
JMF 0:24d3eb812fd4 135 /* Writes the new values on the MBUS_PRMBL registers */
JMF 0:24d3eb812fd4 136 g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
JMF 0:24d3eb812fd4 137
JMF 0:24d3eb812fd4 138 }
JMF 0:24d3eb812fd4 139
JMF 0:24d3eb812fd4 140 /**
JMF 0:24d3eb812fd4 141 * @brief Returns the SPIRIT MBUS packet structure according to the specified parameters in the registers.
JMF 0:24d3eb812fd4 142 * @param pxPktMbusInit MBUS packet init structure.
JMF 0:24d3eb812fd4 143 * This parameter is a pointer to @ref PktMbusInit.
JMF 0:24d3eb812fd4 144 * @retval None.
JMF 0:24d3eb812fd4 145 */
JMF 0:24d3eb812fd4 146 void SpiritPktMbusGetInfo(PktMbusInit* pxPktMbusInit)
JMF 0:24d3eb812fd4 147 {
JMF 0:24d3eb812fd4 148 uint8_t tempRegValue[3];
JMF 0:24d3eb812fd4 149
JMF 0:24d3eb812fd4 150 /* Reads the MBUS regs value */
JMF 0:24d3eb812fd4 151 g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
JMF 0:24d3eb812fd4 152
JMF 0:24d3eb812fd4 153 /* Fit the structure */
JMF 0:24d3eb812fd4 154 pxPktMbusInit->cPreambleLength = tempRegValue[0];
JMF 0:24d3eb812fd4 155 pxPktMbusInit->cPostambleLength = tempRegValue[1];
JMF 0:24d3eb812fd4 156 pxPktMbusInit->xMbusSubmode = (MbusSubmode) (tempRegValue[2]&0x0E);
JMF 0:24d3eb812fd4 157
JMF 0:24d3eb812fd4 158 }
JMF 0:24d3eb812fd4 159
JMF 0:24d3eb812fd4 160
JMF 0:24d3eb812fd4 161 /**
JMF 0:24d3eb812fd4 162 * @brief Configures the MBUS packet format as the one used by SPIRIT.
JMF 0:24d3eb812fd4 163 * @param None.
JMF 0:24d3eb812fd4 164 * @retval None.
JMF 0:24d3eb812fd4 165 */
JMF 0:24d3eb812fd4 166 void SpiritPktMbusSetFormat(void)
JMF 0:24d3eb812fd4 167 {
JMF 0:24d3eb812fd4 168 uint8_t tempRegValue;
JMF 0:24d3eb812fd4 169
JMF 0:24d3eb812fd4 170 /* Reads the PCKTCTRL3 register value */
JMF 0:24d3eb812fd4 171 g_xStatus = SpiritSpiReadRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 172
JMF 0:24d3eb812fd4 173 /* Sets format bits. Also set to 0 the direct RX mode bits */
JMF 0:24d3eb812fd4 174 tempRegValue &= 0x0F;
JMF 0:24d3eb812fd4 175 tempRegValue |= ((uint8_t)PCKTCTRL3_PCKT_FRMT_MBUS);
JMF 0:24d3eb812fd4 176
JMF 0:24d3eb812fd4 177 /* Writes value on the PCKTCTRL3 register */
JMF 0:24d3eb812fd4 178 g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 179
JMF 0:24d3eb812fd4 180 /* Reads the PCKTCTRL1 register value */
JMF 0:24d3eb812fd4 181 g_xStatus = SpiritSpiReadRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 182
JMF 0:24d3eb812fd4 183 /* Build the new value. Set to 0 the direct TX mode bits */
JMF 0:24d3eb812fd4 184 tempRegValue &= 0xF3;
JMF 0:24d3eb812fd4 185
JMF 0:24d3eb812fd4 186 /* Writes the value on the PCKTCTRL1 register */
JMF 0:24d3eb812fd4 187 g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 188
JMF 0:24d3eb812fd4 189 /* Reads the PROTOCOL1 register */
JMF 0:24d3eb812fd4 190 g_xStatus = SpiritSpiReadRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 191
JMF 0:24d3eb812fd4 192 /* Mask a reserved bit */
JMF 0:24d3eb812fd4 193 tempRegValue &= ~0x20;
JMF 0:24d3eb812fd4 194
JMF 0:24d3eb812fd4 195 /* Writes the value on the PROTOCOL1 register */
JMF 0:24d3eb812fd4 196 g_xStatus = SpiritSpiWriteRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 197
JMF 0:24d3eb812fd4 198 }
JMF 0:24d3eb812fd4 199
JMF 0:24d3eb812fd4 200
JMF 0:24d3eb812fd4 201 /**
JMF 0:24d3eb812fd4 202 * @brief Sets how many chip sequence “01” shall be added in the preamble
JMF 0:24d3eb812fd4 203 * respect to the minimum value as defined according to the specified sub-mode.
JMF 0:24d3eb812fd4 204 * @param cPreamble the number of chip sequence.
JMF 0:24d3eb812fd4 205 * This parameter is an uint8_t.
JMF 0:24d3eb812fd4 206 * @retval None.
JMF 0:24d3eb812fd4 207 */
JMF 0:24d3eb812fd4 208 void SpiritPktMbusSetPreamble(uint8_t cPreamble)
JMF 0:24d3eb812fd4 209 {
JMF 0:24d3eb812fd4 210 /* Modifies the MBUS_PRMBL register value */
JMF 0:24d3eb812fd4 211 g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 1, &cPreamble);
JMF 0:24d3eb812fd4 212
JMF 0:24d3eb812fd4 213 }
JMF 0:24d3eb812fd4 214
JMF 0:24d3eb812fd4 215
JMF 0:24d3eb812fd4 216 /**
JMF 0:24d3eb812fd4 217 * @brief Returns how many chip sequence "01" are added in the preamble
JMF 0:24d3eb812fd4 218 * respect to the minimum value as defined according to the specified sub-mode.
JMF 0:24d3eb812fd4 219 * @param None.
JMF 0:24d3eb812fd4 220 * @retval uint8_t Preable in number of "01" chip sequences.
JMF 0:24d3eb812fd4 221 */
JMF 0:24d3eb812fd4 222 uint8_t SpiritPktMbusGetPreamble(void)
JMF 0:24d3eb812fd4 223 {
JMF 0:24d3eb812fd4 224 uint8_t tempRegValue;
JMF 0:24d3eb812fd4 225
JMF 0:24d3eb812fd4 226 /* Modifies the MBUS_PRMBL register value */
JMF 0:24d3eb812fd4 227 g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 228
JMF 0:24d3eb812fd4 229 /* Return value */
JMF 0:24d3eb812fd4 230 return tempRegValue;
JMF 0:24d3eb812fd4 231
JMF 0:24d3eb812fd4 232 }
JMF 0:24d3eb812fd4 233
JMF 0:24d3eb812fd4 234
JMF 0:24d3eb812fd4 235 /**
JMF 0:24d3eb812fd4 236 * @brief Sets how many chip sequence “01” will be used in postamble
JMF 0:24d3eb812fd4 237 * @param cPostamble the number of chip sequence.
JMF 0:24d3eb812fd4 238 * This parameter is an uint8_t.
JMF 0:24d3eb812fd4 239 * @retval None.
JMF 0:24d3eb812fd4 240 */
JMF 0:24d3eb812fd4 241 void SpiritPktMbusSetPostamble(uint8_t cPostamble)
JMF 0:24d3eb812fd4 242 {
JMF 0:24d3eb812fd4 243 /* Modifies the MBUS_PSTMBL register value */
JMF 0:24d3eb812fd4 244 g_xStatus = SpiritSpiWriteRegisters(MBUS_PSTMBL_BASE, 1, &cPostamble);
JMF 0:24d3eb812fd4 245
JMF 0:24d3eb812fd4 246 }
JMF 0:24d3eb812fd4 247
JMF 0:24d3eb812fd4 248
JMF 0:24d3eb812fd4 249 /**
JMF 0:24d3eb812fd4 250 * @brief Returns how many chip sequence "01" are used in the postamble
JMF 0:24d3eb812fd4 251 * @param None.
JMF 0:24d3eb812fd4 252 * @retval uint8_t Postamble in number of "01" chip sequences.
JMF 0:24d3eb812fd4 253 */
JMF 0:24d3eb812fd4 254 uint8_t SpiritPktMbusGetPostamble(void)
JMF 0:24d3eb812fd4 255 {
JMF 0:24d3eb812fd4 256 uint8_t tempRegValue;
JMF 0:24d3eb812fd4 257
JMF 0:24d3eb812fd4 258 /* Reads the MBUS_PSTMBL register */
JMF 0:24d3eb812fd4 259 g_xStatus = SpiritSpiReadRegisters(MBUS_PSTMBL_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 260
JMF 0:24d3eb812fd4 261 /* Returns value */
JMF 0:24d3eb812fd4 262 return tempRegValue;
JMF 0:24d3eb812fd4 263
JMF 0:24d3eb812fd4 264 }
JMF 0:24d3eb812fd4 265
JMF 0:24d3eb812fd4 266
JMF 0:24d3eb812fd4 267 /**
JMF 0:24d3eb812fd4 268 * @brief Sets the MBUS submode used.
JMF 0:24d3eb812fd4 269 * @param xMbusSubmode the submode used.
JMF 0:24d3eb812fd4 270 * This parameter can be any value of @ref MbusSubmode.
JMF 0:24d3eb812fd4 271 * @retval None.
JMF 0:24d3eb812fd4 272 */
JMF 0:24d3eb812fd4 273 void SpiritPktMbusSetSubmode(MbusSubmode xMbusSubmode)
JMF 0:24d3eb812fd4 274 {
JMF 0:24d3eb812fd4 275 /* Modifies the MBUS_CTRL register value */
JMF 0:24d3eb812fd4 276 g_xStatus = SpiritSpiWriteRegisters(MBUS_CTRL_BASE, 1, (uint8_t*)xMbusSubmode);
JMF 0:24d3eb812fd4 277
JMF 0:24d3eb812fd4 278 }
JMF 0:24d3eb812fd4 279
JMF 0:24d3eb812fd4 280
JMF 0:24d3eb812fd4 281 /**
JMF 0:24d3eb812fd4 282 * @brief Returns the MBUS submode used.
JMF 0:24d3eb812fd4 283 * @param None.
JMF 0:24d3eb812fd4 284 * @retval MbusSubmode MBUS submode.
JMF 0:24d3eb812fd4 285 */
JMF 0:24d3eb812fd4 286 MbusSubmode SpiritPktMbusGetSubmode(void)
JMF 0:24d3eb812fd4 287 {
JMF 0:24d3eb812fd4 288 uint8_t tempRegValue;
JMF 0:24d3eb812fd4 289
JMF 0:24d3eb812fd4 290 /* Reads the MBUS_CTRL register value */
JMF 0:24d3eb812fd4 291 g_xStatus = SpiritSpiReadRegisters(MBUS_CTRL_BASE, 1, &tempRegValue);
JMF 0:24d3eb812fd4 292
JMF 0:24d3eb812fd4 293 /* Returns value */
JMF 0:24d3eb812fd4 294 return (MbusSubmode) tempRegValue;
JMF 0:24d3eb812fd4 295
JMF 0:24d3eb812fd4 296 }
JMF 0:24d3eb812fd4 297
JMF 0:24d3eb812fd4 298
JMF 0:24d3eb812fd4 299 /**
JMF 0:24d3eb812fd4 300 * @brief Sets the payload length for SPIRIT MBUS packets.
JMF 0:24d3eb812fd4 301 * @param nPayloadLength payload length in bytes.
JMF 0:24d3eb812fd4 302 * This parameter is an uint16_t.
JMF 0:24d3eb812fd4 303 * @retval None.
JMF 0:24d3eb812fd4 304 */
JMF 0:24d3eb812fd4 305 void SpiritPktMbusSetPayloadLength(uint16_t nPayloadLength)
JMF 0:24d3eb812fd4 306 {
JMF 0:24d3eb812fd4 307 uint8_t tempRegValue[2];
JMF 0:24d3eb812fd4 308
JMF 0:24d3eb812fd4 309 /* Computes PCKTLEN0 value from nPayloadLength */
JMF 0:24d3eb812fd4 310 tempRegValue[1]=BUILD_PCKTLEN0(nPayloadLength);//(uint8_t)nPayloadLength;
JMF 0:24d3eb812fd4 311 /* Computes PCKTLEN1 value from nPayloadLength */
JMF 0:24d3eb812fd4 312 tempRegValue[0]=BUILD_PCKTLEN1(nPayloadLength);//(uint8_t)(nPayloadLength>>8);
JMF 0:24d3eb812fd4 313
JMF 0:24d3eb812fd4 314 /* Writes data on the PCKTLEN1/0 register */
JMF 0:24d3eb812fd4 315 g_xStatus = SpiritSpiWriteRegisters(PCKTLEN1_BASE, 2, tempRegValue);
JMF 0:24d3eb812fd4 316
JMF 0:24d3eb812fd4 317 }
JMF 0:24d3eb812fd4 318
JMF 0:24d3eb812fd4 319
JMF 0:24d3eb812fd4 320 /**
JMF 0:24d3eb812fd4 321 * @brief Returns the payload length for SPIRIT MBUS packets.
JMF 0:24d3eb812fd4 322 * @param None.
JMF 0:24d3eb812fd4 323 * @retval uint16_t Payload length in bytes.
JMF 0:24d3eb812fd4 324 */
JMF 0:24d3eb812fd4 325 uint16_t SpiritPktMbusGetPayloadLength(void)
JMF 0:24d3eb812fd4 326 {
JMF 0:24d3eb812fd4 327 uint8_t tempRegValue[2];
JMF 0:24d3eb812fd4 328
JMF 0:24d3eb812fd4 329 /* Reads the packet length registers */
JMF 0:24d3eb812fd4 330 g_xStatus = SpiritSpiReadRegisters(PCKTLEN1_BASE, 2, tempRegValue);
JMF 0:24d3eb812fd4 331
JMF 0:24d3eb812fd4 332 /* Returns the packet length */
JMF 0:24d3eb812fd4 333 return ((((uint16_t)tempRegValue[0])<<8) + (uint16_t) tempRegValue[1]);
JMF 0:24d3eb812fd4 334
JMF 0:24d3eb812fd4 335 }
JMF 0:24d3eb812fd4 336
JMF 0:24d3eb812fd4 337 /**
JMF 0:24d3eb812fd4 338 *@}
JMF 0:24d3eb812fd4 339 */
JMF 0:24d3eb812fd4 340
JMF 0:24d3eb812fd4 341 /**
JMF 0:24d3eb812fd4 342 *@}
JMF 0:24d3eb812fd4 343 */
JMF 0:24d3eb812fd4 344
JMF 0:24d3eb812fd4 345
JMF 0:24d3eb812fd4 346 /**
JMF 0:24d3eb812fd4 347 *@}
JMF 0:24d3eb812fd4 348 */
JMF 0:24d3eb812fd4 349
JMF 0:24d3eb812fd4 350
JMF 0:24d3eb812fd4 351
JMF 0:24d3eb812fd4 352
JMF 0:24d3eb812fd4 353
JMF 0:24d3eb812fd4 354 /******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/