Vergil Cola / Mbed OS MQTTGateway2

Fork of my original MQTTGateway

Dependencies:   mbed-http

easy-connect/stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_PktMbus.c@0:a1734fe1ec4b, 2017-04-08 (annotated)

Committer:
vpcola
Date:
Sat Apr 08 14:43:14 2017 +0000
Revision:
0:a1734fe1ec4b
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vpcola 0:a1734fe1ec4b 1 /**
vpcola 0:a1734fe1ec4b 2 ******************************************************************************
vpcola 0:a1734fe1ec4b 3 * @file SPIRIT_PktMbus.c
vpcola 0:a1734fe1ec4b 4 * @author VMA division - AMS
vpcola 0:a1734fe1ec4b 5 * @version 3.2.2
vpcola 0:a1734fe1ec4b 6 * @date 08-July-2015
vpcola 0:a1734fe1ec4b 7 * @brief Configuration and management of SPIRIT MBUS packets.
vpcola 0:a1734fe1ec4b 8 * @details
vpcola 0:a1734fe1ec4b 9 *
vpcola 0:a1734fe1ec4b 10 * @attention
vpcola 0:a1734fe1ec4b 11 *
vpcola 0:a1734fe1ec4b 12 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
vpcola 0:a1734fe1ec4b 13 *
vpcola 0:a1734fe1ec4b 14 * Redistribution and use in source and binary forms, with or without modification,
vpcola 0:a1734fe1ec4b 15 * are permitted provided that the following conditions are met:
vpcola 0:a1734fe1ec4b 16 * 1. Redistributions of source code must retain the above copyright notice,
vpcola 0:a1734fe1ec4b 17 * this list of conditions and the following disclaimer.
vpcola 0:a1734fe1ec4b 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
vpcola 0:a1734fe1ec4b 19 * this list of conditions and the following disclaimer in the documentation
vpcola 0:a1734fe1ec4b 20 * and/or other materials provided with the distribution.
vpcola 0:a1734fe1ec4b 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
vpcola 0:a1734fe1ec4b 22 * may be used to endorse or promote products derived from this software
vpcola 0:a1734fe1ec4b 23 * without specific prior written permission.
vpcola 0:a1734fe1ec4b 24 *
vpcola 0:a1734fe1ec4b 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
vpcola 0:a1734fe1ec4b 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
vpcola 0:a1734fe1ec4b 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
vpcola 0:a1734fe1ec4b 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
vpcola 0:a1734fe1ec4b 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
vpcola 0:a1734fe1ec4b 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
vpcola 0:a1734fe1ec4b 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
vpcola 0:a1734fe1ec4b 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
vpcola 0:a1734fe1ec4b 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
vpcola 0:a1734fe1ec4b 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
vpcola 0:a1734fe1ec4b 35 *
vpcola 0:a1734fe1ec4b 36 ******************************************************************************
vpcola 0:a1734fe1ec4b 37 */
vpcola 0:a1734fe1ec4b 38
vpcola 0:a1734fe1ec4b 39 /* Includes ------------------------------------------------------------------*/
vpcola 0:a1734fe1ec4b 40 #include "SPIRIT_PktMbus.h"
vpcola 0:a1734fe1ec4b 41 #include "SPIRIT_Radio.h"
vpcola 0:a1734fe1ec4b 42 #include "MCU_Interface.h"
vpcola 0:a1734fe1ec4b 43
vpcola 0:a1734fe1ec4b 44 /**
vpcola 0:a1734fe1ec4b 45 * @addtogroup SPIRIT_Libraries
vpcola 0:a1734fe1ec4b 46 * @{
vpcola 0:a1734fe1ec4b 47 */
vpcola 0:a1734fe1ec4b 48
vpcola 0:a1734fe1ec4b 49
vpcola 0:a1734fe1ec4b 50 /**
vpcola 0:a1734fe1ec4b 51 * @addtogroup SPIRIT_PktMbus
vpcola 0:a1734fe1ec4b 52 * @{
vpcola 0:a1734fe1ec4b 53 */
vpcola 0:a1734fe1ec4b 54
vpcola 0:a1734fe1ec4b 55
vpcola 0:a1734fe1ec4b 56 /**
vpcola 0:a1734fe1ec4b 57 * @defgroup PktMbus_Private_TypesDefinitions Pkt MBUS Private Types Definitions
vpcola 0:a1734fe1ec4b 58 * @{
vpcola 0:a1734fe1ec4b 59 */
vpcola 0:a1734fe1ec4b 60
vpcola 0:a1734fe1ec4b 61 /**
vpcola 0:a1734fe1ec4b 62 *@}
vpcola 0:a1734fe1ec4b 63 */
vpcola 0:a1734fe1ec4b 64
vpcola 0:a1734fe1ec4b 65
vpcola 0:a1734fe1ec4b 66 /**
vpcola 0:a1734fe1ec4b 67 * @defgroup PktMbus_Private_Defines Pkt MBUS Private Defines
vpcola 0:a1734fe1ec4b 68 * @{
vpcola 0:a1734fe1ec4b 69 */
vpcola 0:a1734fe1ec4b 70
vpcola 0:a1734fe1ec4b 71 /**
vpcola 0:a1734fe1ec4b 72 *@}
vpcola 0:a1734fe1ec4b 73 */
vpcola 0:a1734fe1ec4b 74
vpcola 0:a1734fe1ec4b 75
vpcola 0:a1734fe1ec4b 76 /**
vpcola 0:a1734fe1ec4b 77 * @defgroup PktMbus_Private_Macros Pkt MBUS Private Macros
vpcola 0:a1734fe1ec4b 78 * @{
vpcola 0:a1734fe1ec4b 79 */
vpcola 0:a1734fe1ec4b 80
vpcola 0:a1734fe1ec4b 81 /**
vpcola 0:a1734fe1ec4b 82 *@}
vpcola 0:a1734fe1ec4b 83 */
vpcola 0:a1734fe1ec4b 84
vpcola 0:a1734fe1ec4b 85
vpcola 0:a1734fe1ec4b 86 /**
vpcola 0:a1734fe1ec4b 87 * @defgroup PktMbus_Private_Variables Pkt MBUS Private Variables
vpcola 0:a1734fe1ec4b 88 * @{
vpcola 0:a1734fe1ec4b 89 */
vpcola 0:a1734fe1ec4b 90
vpcola 0:a1734fe1ec4b 91 /**
vpcola 0:a1734fe1ec4b 92 *@}
vpcola 0:a1734fe1ec4b 93 */
vpcola 0:a1734fe1ec4b 94
vpcola 0:a1734fe1ec4b 95
vpcola 0:a1734fe1ec4b 96 /**
vpcola 0:a1734fe1ec4b 97 * @defgroup PktMbus_Private_FunctionPrototypes Pkt MBUS Private Function Prototypes
vpcola 0:a1734fe1ec4b 98 * @{
vpcola 0:a1734fe1ec4b 99 */
vpcola 0:a1734fe1ec4b 100
vpcola 0:a1734fe1ec4b 101 /**
vpcola 0:a1734fe1ec4b 102 *@}
vpcola 0:a1734fe1ec4b 103 */
vpcola 0:a1734fe1ec4b 104
vpcola 0:a1734fe1ec4b 105
vpcola 0:a1734fe1ec4b 106 /**
vpcola 0:a1734fe1ec4b 107 * @defgroup PktMbus_Private_Functions Pkt MBUS Private Functions
vpcola 0:a1734fe1ec4b 108 * @{
vpcola 0:a1734fe1ec4b 109 */
vpcola 0:a1734fe1ec4b 110
vpcola 0:a1734fe1ec4b 111
vpcola 0:a1734fe1ec4b 112 /**
vpcola 0:a1734fe1ec4b 113 * @brief Initializes the SPIRIT MBUS packet according to the specified parameters in the PktMbusInit struct.
vpcola 0:a1734fe1ec4b 114 * @param pxPktMbusInit pointer to a PktMbusInit structure that contains the configuration information for the specified SPIRIT MBUS PACKET FORMAT.
vpcola 0:a1734fe1ec4b 115 * This parameter is a pointer to @ref PktMbusInit.
vpcola 0:a1734fe1ec4b 116 * @retval None.
vpcola 0:a1734fe1ec4b 117 */
vpcola 0:a1734fe1ec4b 118 void SpiritPktMbusInit(PktMbusInit* pxPktMbusInit)
vpcola 0:a1734fe1ec4b 119 {
vpcola 0:a1734fe1ec4b 120 uint8_t tempRegValue[3];
vpcola 0:a1734fe1ec4b 121
vpcola 0:a1734fe1ec4b 122 /* Check the parameters */
vpcola 0:a1734fe1ec4b 123 s_assert_param(IS_MBUS_SUBMODE(pxPktMbusInit->xMbusSubmode));
vpcola 0:a1734fe1ec4b 124
vpcola 0:a1734fe1ec4b 125 /* Packet format config */
vpcola 0:a1734fe1ec4b 126 SpiritPktMbusSetFormat();
vpcola 0:a1734fe1ec4b 127 SpiritPktCommonFilterOnCrc(S_DISABLE);
vpcola 0:a1734fe1ec4b 128 SpiritRadioCsBlanking(S_ENABLE);
vpcola 0:a1734fe1ec4b 129
vpcola 0:a1734fe1ec4b 130 /* Preamble, postamble and submode config */
vpcola 0:a1734fe1ec4b 131 tempRegValue[0] = pxPktMbusInit->cPreambleLength;
vpcola 0:a1734fe1ec4b 132 tempRegValue[1] = pxPktMbusInit->cPostambleLength;
vpcola 0:a1734fe1ec4b 133 tempRegValue[2] = (uint8_t) pxPktMbusInit->xMbusSubmode;
vpcola 0:a1734fe1ec4b 134
vpcola 0:a1734fe1ec4b 135 /* Writes the new values on the MBUS_PRMBL registers */
vpcola 0:a1734fe1ec4b 136 g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
vpcola 0:a1734fe1ec4b 137
vpcola 0:a1734fe1ec4b 138 }
vpcola 0:a1734fe1ec4b 139
vpcola 0:a1734fe1ec4b 140 /**
vpcola 0:a1734fe1ec4b 141 * @brief Returns the SPIRIT MBUS packet structure according to the specified parameters in the registers.
vpcola 0:a1734fe1ec4b 142 * @param pxPktMbusInit MBUS packet init structure.
vpcola 0:a1734fe1ec4b 143 * This parameter is a pointer to @ref PktMbusInit.
vpcola 0:a1734fe1ec4b 144 * @retval None.
vpcola 0:a1734fe1ec4b 145 */
vpcola 0:a1734fe1ec4b 146 void SpiritPktMbusGetInfo(PktMbusInit* pxPktMbusInit)
vpcola 0:a1734fe1ec4b 147 {
vpcola 0:a1734fe1ec4b 148 uint8_t tempRegValue[3];
vpcola 0:a1734fe1ec4b 149
vpcola 0:a1734fe1ec4b 150 /* Reads the MBUS regs value */
vpcola 0:a1734fe1ec4b 151 g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 3, tempRegValue);
vpcola 0:a1734fe1ec4b 152
vpcola 0:a1734fe1ec4b 153 /* Fit the structure */
vpcola 0:a1734fe1ec4b 154 pxPktMbusInit->cPreambleLength = tempRegValue[0];
vpcola 0:a1734fe1ec4b 155 pxPktMbusInit->cPostambleLength = tempRegValue[1];
vpcola 0:a1734fe1ec4b 156 pxPktMbusInit->xMbusSubmode = (MbusSubmode) (tempRegValue[2]&0x0E);
vpcola 0:a1734fe1ec4b 157
vpcola 0:a1734fe1ec4b 158 }
vpcola 0:a1734fe1ec4b 159
vpcola 0:a1734fe1ec4b 160
vpcola 0:a1734fe1ec4b 161 /**
vpcola 0:a1734fe1ec4b 162 * @brief Configures the MBUS packet format as the one used by SPIRIT.
vpcola 0:a1734fe1ec4b 163 * @param None.
vpcola 0:a1734fe1ec4b 164 * @retval None.
vpcola 0:a1734fe1ec4b 165 */
vpcola 0:a1734fe1ec4b 166 void SpiritPktMbusSetFormat(void)
vpcola 0:a1734fe1ec4b 167 {
vpcola 0:a1734fe1ec4b 168 uint8_t tempRegValue;
vpcola 0:a1734fe1ec4b 169
vpcola 0:a1734fe1ec4b 170 /* Reads the PCKTCTRL3 register value */
vpcola 0:a1734fe1ec4b 171 g_xStatus = SpiritSpiReadRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 172
vpcola 0:a1734fe1ec4b 173 /* Sets format bits. Also set to 0 the direct RX mode bits */
vpcola 0:a1734fe1ec4b 174 tempRegValue &= 0x0F;
vpcola 0:a1734fe1ec4b 175 tempRegValue |= ((uint8_t)PCKTCTRL3_PCKT_FRMT_MBUS);
vpcola 0:a1734fe1ec4b 176
vpcola 0:a1734fe1ec4b 177 /* Writes value on the PCKTCTRL3 register */
vpcola 0:a1734fe1ec4b 178 g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL3_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 179
vpcola 0:a1734fe1ec4b 180 /* Reads the PCKTCTRL1 register value */
vpcola 0:a1734fe1ec4b 181 g_xStatus = SpiritSpiReadRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 182
vpcola 0:a1734fe1ec4b 183 /* Build the new value. Set to 0 the direct TX mode bits */
vpcola 0:a1734fe1ec4b 184 tempRegValue &= 0xF3;
vpcola 0:a1734fe1ec4b 185
vpcola 0:a1734fe1ec4b 186 /* Writes the value on the PCKTCTRL1 register */
vpcola 0:a1734fe1ec4b 187 g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL1_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 188
vpcola 0:a1734fe1ec4b 189 /* Reads the PROTOCOL1 register */
vpcola 0:a1734fe1ec4b 190 g_xStatus = SpiritSpiReadRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 191
vpcola 0:a1734fe1ec4b 192 /* Mask a reserved bit */
vpcola 0:a1734fe1ec4b 193 tempRegValue &= ~0x20;
vpcola 0:a1734fe1ec4b 194
vpcola 0:a1734fe1ec4b 195 /* Writes the value on the PROTOCOL1 register */
vpcola 0:a1734fe1ec4b 196 g_xStatus = SpiritSpiWriteRegisters(PROTOCOL1_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 197
vpcola 0:a1734fe1ec4b 198 }
vpcola 0:a1734fe1ec4b 199
vpcola 0:a1734fe1ec4b 200
vpcola 0:a1734fe1ec4b 201 /**
vpcola 0:a1734fe1ec4b 202 * @brief Sets how many chip sequence “01” shall be added in the preamble
vpcola 0:a1734fe1ec4b 203 * respect to the minimum value as defined according to the specified sub-mode.
vpcola 0:a1734fe1ec4b 204 * @param cPreamble the number of chip sequence.
vpcola 0:a1734fe1ec4b 205 * This parameter is an uint8_t.
vpcola 0:a1734fe1ec4b 206 * @retval None.
vpcola 0:a1734fe1ec4b 207 */
vpcola 0:a1734fe1ec4b 208 void SpiritPktMbusSetPreamble(uint8_t cPreamble)
vpcola 0:a1734fe1ec4b 209 {
vpcola 0:a1734fe1ec4b 210 /* Modifies the MBUS_PRMBL register value */
vpcola 0:a1734fe1ec4b 211 g_xStatus = SpiritSpiWriteRegisters(MBUS_PRMBL_BASE, 1, &cPreamble);
vpcola 0:a1734fe1ec4b 212
vpcola 0:a1734fe1ec4b 213 }
vpcola 0:a1734fe1ec4b 214
vpcola 0:a1734fe1ec4b 215
vpcola 0:a1734fe1ec4b 216 /**
vpcola 0:a1734fe1ec4b 217 * @brief Returns how many chip sequence "01" are added in the preamble
vpcola 0:a1734fe1ec4b 218 * respect to the minimum value as defined according to the specified sub-mode.
vpcola 0:a1734fe1ec4b 219 * @param None.
vpcola 0:a1734fe1ec4b 220 * @retval uint8_t Preable in number of "01" chip sequences.
vpcola 0:a1734fe1ec4b 221 */
vpcola 0:a1734fe1ec4b 222 uint8_t SpiritPktMbusGetPreamble(void)
vpcola 0:a1734fe1ec4b 223 {
vpcola 0:a1734fe1ec4b 224 uint8_t tempRegValue;
vpcola 0:a1734fe1ec4b 225
vpcola 0:a1734fe1ec4b 226 /* Modifies the MBUS_PRMBL register value */
vpcola 0:a1734fe1ec4b 227 g_xStatus = SpiritSpiReadRegisters(MBUS_PRMBL_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 228
vpcola 0:a1734fe1ec4b 229 /* Return value */
vpcola 0:a1734fe1ec4b 230 return tempRegValue;
vpcola 0:a1734fe1ec4b 231
vpcola 0:a1734fe1ec4b 232 }
vpcola 0:a1734fe1ec4b 233
vpcola 0:a1734fe1ec4b 234
vpcola 0:a1734fe1ec4b 235 /**
vpcola 0:a1734fe1ec4b 236 * @brief Sets how many chip sequence “01” will be used in postamble
vpcola 0:a1734fe1ec4b 237 * @param cPostamble the number of chip sequence.
vpcola 0:a1734fe1ec4b 238 * This parameter is an uint8_t.
vpcola 0:a1734fe1ec4b 239 * @retval None.
vpcola 0:a1734fe1ec4b 240 */
vpcola 0:a1734fe1ec4b 241 void SpiritPktMbusSetPostamble(uint8_t cPostamble)
vpcola 0:a1734fe1ec4b 242 {
vpcola 0:a1734fe1ec4b 243 /* Modifies the MBUS_PSTMBL register value */
vpcola 0:a1734fe1ec4b 244 g_xStatus = SpiritSpiWriteRegisters(MBUS_PSTMBL_BASE, 1, &cPostamble);
vpcola 0:a1734fe1ec4b 245
vpcola 0:a1734fe1ec4b 246 }
vpcola 0:a1734fe1ec4b 247
vpcola 0:a1734fe1ec4b 248
vpcola 0:a1734fe1ec4b 249 /**
vpcola 0:a1734fe1ec4b 250 * @brief Returns how many chip sequence "01" are used in the postamble
vpcola 0:a1734fe1ec4b 251 * @param None.
vpcola 0:a1734fe1ec4b 252 * @retval uint8_t Postamble in number of "01" chip sequences.
vpcola 0:a1734fe1ec4b 253 */
vpcola 0:a1734fe1ec4b 254 uint8_t SpiritPktMbusGetPostamble(void)
vpcola 0:a1734fe1ec4b 255 {
vpcola 0:a1734fe1ec4b 256 uint8_t tempRegValue;
vpcola 0:a1734fe1ec4b 257
vpcola 0:a1734fe1ec4b 258 /* Reads the MBUS_PSTMBL register */
vpcola 0:a1734fe1ec4b 259 g_xStatus = SpiritSpiReadRegisters(MBUS_PSTMBL_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 260
vpcola 0:a1734fe1ec4b 261 /* Returns value */
vpcola 0:a1734fe1ec4b 262 return tempRegValue;
vpcola 0:a1734fe1ec4b 263
vpcola 0:a1734fe1ec4b 264 }
vpcola 0:a1734fe1ec4b 265
vpcola 0:a1734fe1ec4b 266
vpcola 0:a1734fe1ec4b 267 /**
vpcola 0:a1734fe1ec4b 268 * @brief Sets the MBUS submode used.
vpcola 0:a1734fe1ec4b 269 * @param xMbusSubmode the submode used.
vpcola 0:a1734fe1ec4b 270 * This parameter can be any value of @ref MbusSubmode.
vpcola 0:a1734fe1ec4b 271 * @retval None.
vpcola 0:a1734fe1ec4b 272 */
vpcola 0:a1734fe1ec4b 273 void SpiritPktMbusSetSubmode(MbusSubmode xMbusSubmode)
vpcola 0:a1734fe1ec4b 274 {
vpcola 0:a1734fe1ec4b 275 /* Modifies the MBUS_CTRL register value */
vpcola 0:a1734fe1ec4b 276 g_xStatus = SpiritSpiWriteRegisters(MBUS_CTRL_BASE, 1, (uint8_t*)xMbusSubmode);
vpcola 0:a1734fe1ec4b 277
vpcola 0:a1734fe1ec4b 278 }
vpcola 0:a1734fe1ec4b 279
vpcola 0:a1734fe1ec4b 280
vpcola 0:a1734fe1ec4b 281 /**
vpcola 0:a1734fe1ec4b 282 * @brief Returns the MBUS submode used.
vpcola 0:a1734fe1ec4b 283 * @param None.
vpcola 0:a1734fe1ec4b 284 * @retval MbusSubmode MBUS submode.
vpcola 0:a1734fe1ec4b 285 */
vpcola 0:a1734fe1ec4b 286 MbusSubmode SpiritPktMbusGetSubmode(void)
vpcola 0:a1734fe1ec4b 287 {
vpcola 0:a1734fe1ec4b 288 uint8_t tempRegValue;
vpcola 0:a1734fe1ec4b 289
vpcola 0:a1734fe1ec4b 290 /* Reads the MBUS_CTRL register value */
vpcola 0:a1734fe1ec4b 291 g_xStatus = SpiritSpiReadRegisters(MBUS_CTRL_BASE, 1, &tempRegValue);
vpcola 0:a1734fe1ec4b 292
vpcola 0:a1734fe1ec4b 293 /* Returns value */
vpcola 0:a1734fe1ec4b 294 return (MbusSubmode) tempRegValue;
vpcola 0:a1734fe1ec4b 295
vpcola 0:a1734fe1ec4b 296 }
vpcola 0:a1734fe1ec4b 297
vpcola 0:a1734fe1ec4b 298
vpcola 0:a1734fe1ec4b 299 /**
vpcola 0:a1734fe1ec4b 300 * @brief Sets the payload length for SPIRIT MBUS packets.
vpcola 0:a1734fe1ec4b 301 * @param nPayloadLength payload length in bytes.
vpcola 0:a1734fe1ec4b 302 * This parameter is an uint16_t.
vpcola 0:a1734fe1ec4b 303 * @retval None.
vpcola 0:a1734fe1ec4b 304 */
vpcola 0:a1734fe1ec4b 305 void SpiritPktMbusSetPayloadLength(uint16_t nPayloadLength)
vpcola 0:a1734fe1ec4b 306 {
vpcola 0:a1734fe1ec4b 307 uint8_t tempRegValue[2];
vpcola 0:a1734fe1ec4b 308
vpcola 0:a1734fe1ec4b 309 /* Computes PCKTLEN0 value from nPayloadLength */
vpcola 0:a1734fe1ec4b 310 tempRegValue[1]=BUILD_PCKTLEN0(nPayloadLength);//(uint8_t)nPayloadLength;
vpcola 0:a1734fe1ec4b 311 /* Computes PCKTLEN1 value from nPayloadLength */
vpcola 0:a1734fe1ec4b 312 tempRegValue[0]=BUILD_PCKTLEN1(nPayloadLength);//(uint8_t)(nPayloadLength>>8);
vpcola 0:a1734fe1ec4b 313
vpcola 0:a1734fe1ec4b 314 /* Writes data on the PCKTLEN1/0 register */
vpcola 0:a1734fe1ec4b 315 g_xStatus = SpiritSpiWriteRegisters(PCKTLEN1_BASE, 2, tempRegValue);
vpcola 0:a1734fe1ec4b 316
vpcola 0:a1734fe1ec4b 317 }
vpcola 0:a1734fe1ec4b 318
vpcola 0:a1734fe1ec4b 319
vpcola 0:a1734fe1ec4b 320 /**
vpcola 0:a1734fe1ec4b 321 * @brief Returns the payload length for SPIRIT MBUS packets.
vpcola 0:a1734fe1ec4b 322 * @param None.
vpcola 0:a1734fe1ec4b 323 * @retval uint16_t Payload length in bytes.
vpcola 0:a1734fe1ec4b 324 */
vpcola 0:a1734fe1ec4b 325 uint16_t SpiritPktMbusGetPayloadLength(void)
vpcola 0:a1734fe1ec4b 326 {
vpcola 0:a1734fe1ec4b 327 uint8_t tempRegValue[2];
vpcola 0:a1734fe1ec4b 328
vpcola 0:a1734fe1ec4b 329 /* Reads the packet length registers */
vpcola 0:a1734fe1ec4b 330 g_xStatus = SpiritSpiReadRegisters(PCKTLEN1_BASE, 2, tempRegValue);
vpcola 0:a1734fe1ec4b 331
vpcola 0:a1734fe1ec4b 332 /* Returns the packet length */
vpcola 0:a1734fe1ec4b 333 return ((((uint16_t)tempRegValue[0])<<8) + (uint16_t) tempRegValue[1]);
vpcola 0:a1734fe1ec4b 334
vpcola 0:a1734fe1ec4b 335 }
vpcola 0:a1734fe1ec4b 336
vpcola 0:a1734fe1ec4b 337 /**
vpcola 0:a1734fe1ec4b 338 *@}
vpcola 0:a1734fe1ec4b 339 */
vpcola 0:a1734fe1ec4b 340
vpcola 0:a1734fe1ec4b 341 /**
vpcola 0:a1734fe1ec4b 342 *@}
vpcola 0:a1734fe1ec4b 343 */
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vpcola 0:a1734fe1ec4b 346 /**
vpcola 0:a1734fe1ec4b 347 *@}
vpcola 0:a1734fe1ec4b 348 */
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vpcola 0:a1734fe1ec4b 354 /******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/