Vergil Cola
/
MQTTGateway2
Fork of my original MQTTGateway
easy-connect/stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_PktBasic.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?
User | Revision | Line number | New contents of line |
---|---|---|---|
vpcola | 0:a1734fe1ec4b | 1 | /** |
vpcola | 0:a1734fe1ec4b | 2 | ****************************************************************************** |
vpcola | 0:a1734fe1ec4b | 3 | * @file SPIRIT_PktBasic.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 Basic 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>© 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_PktBasic.h" |
vpcola | 0:a1734fe1ec4b | 41 | #include "MCU_Interface.h" |
vpcola | 0:a1734fe1ec4b | 42 | |
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_PktBasic |
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 PktBasic_Private_TypesDefinitions Pkt Basic 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 PktBasic_Private_Defines Pkt Basic 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 PktBasic_Private_Macros Pkt Basic 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 PktBasic_Private_Variables Pkt Basic 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 | /** |
vpcola | 0:a1734fe1ec4b | 98 | * @defgroup PktBasic_Private_FunctionPrototypes Pkt Basic Private Function Prototypes |
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 | /** |
vpcola | 0:a1734fe1ec4b | 108 | * @defgroup PktBasic_Private_Functions Pkt Basic Private Functions |
vpcola | 0:a1734fe1ec4b | 109 | * @{ |
vpcola | 0:a1734fe1ec4b | 110 | */ |
vpcola | 0:a1734fe1ec4b | 111 | |
vpcola | 0:a1734fe1ec4b | 112 | /** |
vpcola | 0:a1734fe1ec4b | 113 | * @brief Initializes the SPIRIT Basic packet according to the specified parameters in the PktBasicInit struct. |
vpcola | 0:a1734fe1ec4b | 114 | * Notice that this function sets the autofiltering option on CRC if it is set to any value different from BASIC_NO_CRC. |
vpcola | 0:a1734fe1ec4b | 115 | * @param pxPktBasicInit Basic packet init structure. |
vpcola | 0:a1734fe1ec4b | 116 | * This parameter is a pointer to @ref PktBasicInit. |
vpcola | 0:a1734fe1ec4b | 117 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 118 | */ |
vpcola | 0:a1734fe1ec4b | 119 | void SpiritPktBasicInit(PktBasicInit* pxPktBasicInit) |
vpcola | 0:a1734fe1ec4b | 120 | { |
vpcola | 0:a1734fe1ec4b | 121 | uint8_t tempRegValue[4], i; |
vpcola | 0:a1734fe1ec4b | 122 | |
vpcola | 0:a1734fe1ec4b | 123 | /* Check the parameters */ |
vpcola | 0:a1734fe1ec4b | 124 | s_assert_param(IS_BASIC_PREAMBLE_LENGTH(pxPktBasicInit->xPreambleLength)); |
vpcola | 0:a1734fe1ec4b | 125 | s_assert_param(IS_BASIC_SYNC_LENGTH(pxPktBasicInit->xSyncLength)); |
vpcola | 0:a1734fe1ec4b | 126 | s_assert_param(IS_BASIC_CRC_MODE(pxPktBasicInit->xCrcMode)); |
vpcola | 0:a1734fe1ec4b | 127 | s_assert_param(IS_BASIC_LENGTH_WIDTH_BITS(pxPktBasicInit->cPktLengthWidth)); |
vpcola | 0:a1734fe1ec4b | 128 | s_assert_param(IS_BASIC_FIX_VAR_LENGTH(pxPktBasicInit->xFixVarLength)); |
vpcola | 0:a1734fe1ec4b | 129 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(pxPktBasicInit->xAddressField)); |
vpcola | 0:a1734fe1ec4b | 130 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(pxPktBasicInit->xFec)); |
vpcola | 0:a1734fe1ec4b | 131 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(pxPktBasicInit->xDataWhitening)); |
vpcola | 0:a1734fe1ec4b | 132 | s_assert_param(IS_BASIC_CONTROL_LENGTH(pxPktBasicInit->xControlLength)); |
vpcola | 0:a1734fe1ec4b | 133 | |
vpcola | 0:a1734fe1ec4b | 134 | /* Reads the PROTOCOL1 register */ |
vpcola | 0:a1734fe1ec4b | 135 | g_xStatus = SpiritSpiReadRegisters(PROTOCOL1_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 136 | |
vpcola | 0:a1734fe1ec4b | 137 | /* Mask a reserved bit */ |
vpcola | 0:a1734fe1ec4b | 138 | tempRegValue[0] &= ~0x20; |
vpcola | 0:a1734fe1ec4b | 139 | |
vpcola | 0:a1734fe1ec4b | 140 | /* Always set the automatic packet filtering */ |
vpcola | 0:a1734fe1ec4b | 141 | tempRegValue[0] |= PROTOCOL1_AUTO_PCKT_FLT_MASK; |
vpcola | 0:a1734fe1ec4b | 142 | |
vpcola | 0:a1734fe1ec4b | 143 | /* Writes the value on register */ |
vpcola | 0:a1734fe1ec4b | 144 | g_xStatus = SpiritSpiWriteRegisters(PROTOCOL1_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 145 | |
vpcola | 0:a1734fe1ec4b | 146 | /* Reads the PCKT_FLT_OPTIONS register */ |
vpcola | 0:a1734fe1ec4b | 147 | g_xStatus = SpiritSpiReadRegisters(PCKT_FLT_OPTIONS_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 148 | |
vpcola | 0:a1734fe1ec4b | 149 | /* Always reset the control and source filtering (also if it is not present in basic) */ |
vpcola | 0:a1734fe1ec4b | 150 | tempRegValue[0] &= ~(PCKT_FLT_OPTIONS_SOURCE_FILTERING_MASK | PCKT_FLT_OPTIONS_CONTROL_FILTERING_MASK); |
vpcola | 0:a1734fe1ec4b | 151 | |
vpcola | 0:a1734fe1ec4b | 152 | /* Writes the value on register */ |
vpcola | 0:a1734fe1ec4b | 153 | g_xStatus = SpiritSpiWriteRegisters(PCKT_FLT_OPTIONS_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 154 | |
vpcola | 0:a1734fe1ec4b | 155 | if(pxPktBasicInit->xAddressField == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 156 | { |
vpcola | 0:a1734fe1ec4b | 157 | tempRegValue[0]=0x08; |
vpcola | 0:a1734fe1ec4b | 158 | } |
vpcola | 0:a1734fe1ec4b | 159 | else |
vpcola | 0:a1734fe1ec4b | 160 | { |
vpcola | 0:a1734fe1ec4b | 161 | tempRegValue[0]=0x00; |
vpcola | 0:a1734fe1ec4b | 162 | } |
vpcola | 0:a1734fe1ec4b | 163 | /* Address and control length setting */ |
vpcola | 0:a1734fe1ec4b | 164 | tempRegValue[0] |= ((uint8_t) pxPktBasicInit->xControlLength); |
vpcola | 0:a1734fe1ec4b | 165 | |
vpcola | 0:a1734fe1ec4b | 166 | /* Packet format and width length setting */ |
vpcola | 0:a1734fe1ec4b | 167 | pxPktBasicInit->cPktLengthWidth == 0 ? pxPktBasicInit->cPktLengthWidth=1 : pxPktBasicInit->cPktLengthWidth; |
vpcola | 0:a1734fe1ec4b | 168 | tempRegValue[1] = ((uint8_t) PCKTCTRL3_PCKT_FRMT_BASIC) | ((uint8_t)(pxPktBasicInit->cPktLengthWidth-1)); |
vpcola | 0:a1734fe1ec4b | 169 | |
vpcola | 0:a1734fe1ec4b | 170 | /* Preamble, sync and fixed or variable length setting */ |
vpcola | 0:a1734fe1ec4b | 171 | tempRegValue[2] = ((uint8_t) pxPktBasicInit->xPreambleLength) | ((uint8_t) pxPktBasicInit->xSyncLength) | |
vpcola | 0:a1734fe1ec4b | 172 | ((uint8_t) pxPktBasicInit->xFixVarLength); |
vpcola | 0:a1734fe1ec4b | 173 | |
vpcola | 0:a1734fe1ec4b | 174 | /* CRC length, whitening and FEC setting */ |
vpcola | 0:a1734fe1ec4b | 175 | tempRegValue[3] = (uint8_t) pxPktBasicInit->xCrcMode; |
vpcola | 0:a1734fe1ec4b | 176 | |
vpcola | 0:a1734fe1ec4b | 177 | if(pxPktBasicInit->xDataWhitening == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 178 | { |
vpcola | 0:a1734fe1ec4b | 179 | tempRegValue[3] |= PCKTCTRL1_WHIT_MASK; |
vpcola | 0:a1734fe1ec4b | 180 | } |
vpcola | 0:a1734fe1ec4b | 181 | |
vpcola | 0:a1734fe1ec4b | 182 | if(pxPktBasicInit->xFec == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 183 | { |
vpcola | 0:a1734fe1ec4b | 184 | tempRegValue[3] |= PCKTCTRL1_FEC_MASK; |
vpcola | 0:a1734fe1ec4b | 185 | } |
vpcola | 0:a1734fe1ec4b | 186 | |
vpcola | 0:a1734fe1ec4b | 187 | /* Writes registers */ |
vpcola | 0:a1734fe1ec4b | 188 | SpiritSpiWriteRegisters(PCKTCTRL4_BASE, 4, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 189 | |
vpcola | 0:a1734fe1ec4b | 190 | /* Sync words setting */ |
vpcola | 0:a1734fe1ec4b | 191 | for(i=0;i<4;i++) |
vpcola | 0:a1734fe1ec4b | 192 | { |
vpcola | 0:a1734fe1ec4b | 193 | if(i<3-(pxPktBasicInit->xSyncLength >>1)) |
vpcola | 0:a1734fe1ec4b | 194 | { |
vpcola | 0:a1734fe1ec4b | 195 | tempRegValue[i]=0; |
vpcola | 0:a1734fe1ec4b | 196 | } |
vpcola | 0:a1734fe1ec4b | 197 | else |
vpcola | 0:a1734fe1ec4b | 198 | { |
vpcola | 0:a1734fe1ec4b | 199 | tempRegValue[i] = (uint8_t)(pxPktBasicInit->lSyncWords>>(8*i)); |
vpcola | 0:a1734fe1ec4b | 200 | } |
vpcola | 0:a1734fe1ec4b | 201 | } |
vpcola | 0:a1734fe1ec4b | 202 | |
vpcola | 0:a1734fe1ec4b | 203 | /* Sets CRC check bit */ |
vpcola | 0:a1734fe1ec4b | 204 | if(pxPktBasicInit->xCrcMode == PKT_NO_CRC) |
vpcola | 0:a1734fe1ec4b | 205 | { |
vpcola | 0:a1734fe1ec4b | 206 | SpiritPktBasicFilterOnCrc(S_DISABLE); |
vpcola | 0:a1734fe1ec4b | 207 | } |
vpcola | 0:a1734fe1ec4b | 208 | else |
vpcola | 0:a1734fe1ec4b | 209 | { |
vpcola | 0:a1734fe1ec4b | 210 | SpiritPktBasicFilterOnCrc(S_ENABLE); |
vpcola | 0:a1734fe1ec4b | 211 | } |
vpcola | 0:a1734fe1ec4b | 212 | |
vpcola | 0:a1734fe1ec4b | 213 | |
vpcola | 0:a1734fe1ec4b | 214 | g_xStatus = SpiritSpiWriteRegisters(SYNC4_BASE, 4, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 215 | |
vpcola | 0:a1734fe1ec4b | 216 | } |
vpcola | 0:a1734fe1ec4b | 217 | |
vpcola | 0:a1734fe1ec4b | 218 | |
vpcola | 0:a1734fe1ec4b | 219 | /** |
vpcola | 0:a1734fe1ec4b | 220 | * @brief Returns the SPIRIT Basic packet structure according to the specified parameters in the registers. |
vpcola | 0:a1734fe1ec4b | 221 | * @param pxPktBasicInit Basic packet init structure. |
vpcola | 0:a1734fe1ec4b | 222 | * This parameter is a pointer to @ref PktBasicInit. |
vpcola | 0:a1734fe1ec4b | 223 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 224 | */ |
vpcola | 0:a1734fe1ec4b | 225 | void SpiritPktBasicGetInfo(PktBasicInit* pxPktBasicInit) |
vpcola | 0:a1734fe1ec4b | 226 | { |
vpcola | 0:a1734fe1ec4b | 227 | uint8_t tempRegValue[10]; |
vpcola | 0:a1734fe1ec4b | 228 | |
vpcola | 0:a1734fe1ec4b | 229 | /* Reads registers */ |
vpcola | 0:a1734fe1ec4b | 230 | g_xStatus = SpiritSpiReadRegisters(PCKTCTRL4_BASE, 10, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 231 | |
vpcola | 0:a1734fe1ec4b | 232 | /* Length width */ |
vpcola | 0:a1734fe1ec4b | 233 | pxPktBasicInit->cPktLengthWidth=(tempRegValue[1] & 0x0F)+1; |
vpcola | 0:a1734fe1ec4b | 234 | |
vpcola | 0:a1734fe1ec4b | 235 | /* Address field */ |
vpcola | 0:a1734fe1ec4b | 236 | pxPktBasicInit->xAddressField=(SpiritFunctionalState)((tempRegValue[0]>>3) & 0x01); |
vpcola | 0:a1734fe1ec4b | 237 | |
vpcola | 0:a1734fe1ec4b | 238 | /* Control length */ |
vpcola | 0:a1734fe1ec4b | 239 | pxPktBasicInit->xControlLength=(BasicControlLength)(tempRegValue[0] & 0x07); |
vpcola | 0:a1734fe1ec4b | 240 | |
vpcola | 0:a1734fe1ec4b | 241 | /* CRC mode */ |
vpcola | 0:a1734fe1ec4b | 242 | pxPktBasicInit->xCrcMode=(BasicCrcMode)(tempRegValue[3] & 0xE0); |
vpcola | 0:a1734fe1ec4b | 243 | |
vpcola | 0:a1734fe1ec4b | 244 | /* Whitening */ |
vpcola | 0:a1734fe1ec4b | 245 | pxPktBasicInit->xDataWhitening=(SpiritFunctionalState)((tempRegValue[3] >> 4) & 0x01); |
vpcola | 0:a1734fe1ec4b | 246 | |
vpcola | 0:a1734fe1ec4b | 247 | /* FEC */ |
vpcola | 0:a1734fe1ec4b | 248 | pxPktBasicInit->xFec=(SpiritFunctionalState)(tempRegValue[3] & 0x01); |
vpcola | 0:a1734fe1ec4b | 249 | |
vpcola | 0:a1734fe1ec4b | 250 | /* FIX or VAR bit */ |
vpcola | 0:a1734fe1ec4b | 251 | pxPktBasicInit->xFixVarLength=(BasicFixVarLength)(tempRegValue[2] & 0x01); |
vpcola | 0:a1734fe1ec4b | 252 | |
vpcola | 0:a1734fe1ec4b | 253 | /* Preamble length */ |
vpcola | 0:a1734fe1ec4b | 254 | pxPktBasicInit->xPreambleLength=(BasicPreambleLength)(tempRegValue[2] & 0xF8); |
vpcola | 0:a1734fe1ec4b | 255 | |
vpcola | 0:a1734fe1ec4b | 256 | /* Sync length */ |
vpcola | 0:a1734fe1ec4b | 257 | pxPktBasicInit->xSyncLength=(BasicSyncLength)(tempRegValue[2] & 0x06); |
vpcola | 0:a1734fe1ec4b | 258 | |
vpcola | 0:a1734fe1ec4b | 259 | /* sync Words */ |
vpcola | 0:a1734fe1ec4b | 260 | pxPktBasicInit->lSyncWords=0; |
vpcola | 0:a1734fe1ec4b | 261 | for(uint8_t i=0 ; i<4 ; i++) |
vpcola | 0:a1734fe1ec4b | 262 | { |
vpcola | 0:a1734fe1ec4b | 263 | if(i>2-(((uint8_t)pxPktBasicInit->xSyncLength) >>1)) |
vpcola | 0:a1734fe1ec4b | 264 | { |
vpcola | 0:a1734fe1ec4b | 265 | pxPktBasicInit->lSyncWords |= (uint32_t)(tempRegValue[i+6])<<(8*i); |
vpcola | 0:a1734fe1ec4b | 266 | } |
vpcola | 0:a1734fe1ec4b | 267 | } |
vpcola | 0:a1734fe1ec4b | 268 | |
vpcola | 0:a1734fe1ec4b | 269 | } |
vpcola | 0:a1734fe1ec4b | 270 | |
vpcola | 0:a1734fe1ec4b | 271 | |
vpcola | 0:a1734fe1ec4b | 272 | /** |
vpcola | 0:a1734fe1ec4b | 273 | * @brief Initializes the SPIRIT Basic packet addresses according to the specified |
vpcola | 0:a1734fe1ec4b | 274 | * parameters in the PktBasicAddressesInit struct. |
vpcola | 0:a1734fe1ec4b | 275 | * @param pxPktBasicAddresses Basic packet addresses init structure. |
vpcola | 0:a1734fe1ec4b | 276 | * This parameter is a pointer to @ref PktBasicAddresses. |
vpcola | 0:a1734fe1ec4b | 277 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 278 | */ |
vpcola | 0:a1734fe1ec4b | 279 | void SpiritPktBasicAddressesInit(PktBasicAddressesInit* pxPktBasicAddresses) |
vpcola | 0:a1734fe1ec4b | 280 | { |
vpcola | 0:a1734fe1ec4b | 281 | uint8_t tempRegValue[3]; |
vpcola | 0:a1734fe1ec4b | 282 | |
vpcola | 0:a1734fe1ec4b | 283 | /* Check the parameters */ |
vpcola | 0:a1734fe1ec4b | 284 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(pxPktBasicAddresses->xFilterOnMyAddress)); |
vpcola | 0:a1734fe1ec4b | 285 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(pxPktBasicAddresses->xFilterOnMulticastAddress)); |
vpcola | 0:a1734fe1ec4b | 286 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(pxPktBasicAddresses->xFilterOnBroadcastAddress)); |
vpcola | 0:a1734fe1ec4b | 287 | |
vpcola | 0:a1734fe1ec4b | 288 | |
vpcola | 0:a1734fe1ec4b | 289 | /* Reads the PCKT_FLT_OPTIONS ragister */ |
vpcola | 0:a1734fe1ec4b | 290 | g_xStatus = SpiritSpiReadRegisters(PCKT_FLT_OPTIONS_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 291 | |
vpcola | 0:a1734fe1ec4b | 292 | /* Enables or disables filtering on my address */ |
vpcola | 0:a1734fe1ec4b | 293 | if(pxPktBasicAddresses->xFilterOnMyAddress == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 294 | { |
vpcola | 0:a1734fe1ec4b | 295 | tempRegValue[0] |= PCKT_FLT_OPTIONS_DEST_VS_TX_ADDR_MASK; |
vpcola | 0:a1734fe1ec4b | 296 | } |
vpcola | 0:a1734fe1ec4b | 297 | else |
vpcola | 0:a1734fe1ec4b | 298 | { |
vpcola | 0:a1734fe1ec4b | 299 | tempRegValue[0] &= ~PCKT_FLT_OPTIONS_DEST_VS_TX_ADDR_MASK; |
vpcola | 0:a1734fe1ec4b | 300 | } |
vpcola | 0:a1734fe1ec4b | 301 | |
vpcola | 0:a1734fe1ec4b | 302 | /* Enables or disables filtering on multicast address */ |
vpcola | 0:a1734fe1ec4b | 303 | if(pxPktBasicAddresses->xFilterOnMulticastAddress == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 304 | { |
vpcola | 0:a1734fe1ec4b | 305 | tempRegValue[0] |= PCKT_FLT_OPTIONS_DEST_VS_MULTICAST_ADDR_MASK; |
vpcola | 0:a1734fe1ec4b | 306 | } |
vpcola | 0:a1734fe1ec4b | 307 | else |
vpcola | 0:a1734fe1ec4b | 308 | { |
vpcola | 0:a1734fe1ec4b | 309 | tempRegValue[0] &= ~PCKT_FLT_OPTIONS_DEST_VS_MULTICAST_ADDR_MASK; |
vpcola | 0:a1734fe1ec4b | 310 | } |
vpcola | 0:a1734fe1ec4b | 311 | |
vpcola | 0:a1734fe1ec4b | 312 | /* Enables or disables filtering on broadcast address */ |
vpcola | 0:a1734fe1ec4b | 313 | if(pxPktBasicAddresses->xFilterOnBroadcastAddress == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 314 | { |
vpcola | 0:a1734fe1ec4b | 315 | tempRegValue[0] |= PCKT_FLT_OPTIONS_DEST_VS_BROADCAST_ADDR_MASK; |
vpcola | 0:a1734fe1ec4b | 316 | } |
vpcola | 0:a1734fe1ec4b | 317 | else |
vpcola | 0:a1734fe1ec4b | 318 | { |
vpcola | 0:a1734fe1ec4b | 319 | tempRegValue[0] &= ~PCKT_FLT_OPTIONS_DEST_VS_BROADCAST_ADDR_MASK; |
vpcola | 0:a1734fe1ec4b | 320 | } |
vpcola | 0:a1734fe1ec4b | 321 | |
vpcola | 0:a1734fe1ec4b | 322 | /* Writes the new value on the PCKT_FLT_OPTIONS register */ |
vpcola | 0:a1734fe1ec4b | 323 | g_xStatus = SpiritSpiWriteRegisters(PCKT_FLT_OPTIONS_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 324 | |
vpcola | 0:a1734fe1ec4b | 325 | /* Fills the array with the addresses passed in the structure */ |
vpcola | 0:a1734fe1ec4b | 326 | tempRegValue[0] = pxPktBasicAddresses->cBroadcastAddress; |
vpcola | 0:a1734fe1ec4b | 327 | tempRegValue[1] = pxPktBasicAddresses->cMulticastAddress; |
vpcola | 0:a1734fe1ec4b | 328 | tempRegValue[2] = pxPktBasicAddresses->cMyAddress; |
vpcola | 0:a1734fe1ec4b | 329 | |
vpcola | 0:a1734fe1ec4b | 330 | /* Writes values on the PCKT_FLT_GOALS registers */ |
vpcola | 0:a1734fe1ec4b | 331 | g_xStatus = SpiritSpiWriteRegisters(PCKT_FLT_GOALS_BROADCAST_BASE, 3, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 332 | |
vpcola | 0:a1734fe1ec4b | 333 | |
vpcola | 0:a1734fe1ec4b | 334 | } |
vpcola | 0:a1734fe1ec4b | 335 | |
vpcola | 0:a1734fe1ec4b | 336 | |
vpcola | 0:a1734fe1ec4b | 337 | /** |
vpcola | 0:a1734fe1ec4b | 338 | * @brief Returns the SPIRIT Basic packet addresses structure according to the specified |
vpcola | 0:a1734fe1ec4b | 339 | * parameters in the registers. |
vpcola | 0:a1734fe1ec4b | 340 | * @param pxPktBasicAddresses Basic packet addresses init structure. |
vpcola | 0:a1734fe1ec4b | 341 | * This parameter is a pointer to @ref PktBasicAddresses. |
vpcola | 0:a1734fe1ec4b | 342 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 343 | */ |
vpcola | 0:a1734fe1ec4b | 344 | void SpiritPktBasicGetAddressesInfo(PktBasicAddressesInit* pxPktBasicAddresses) |
vpcola | 0:a1734fe1ec4b | 345 | { |
vpcola | 0:a1734fe1ec4b | 346 | uint8_t tempRegValue[3]; |
vpcola | 0:a1734fe1ec4b | 347 | |
vpcola | 0:a1734fe1ec4b | 348 | /* Reads values on the PCKT_FLT_GOALS registers */ |
vpcola | 0:a1734fe1ec4b | 349 | g_xStatus = SpiritSpiReadRegisters(PCKT_FLT_GOALS_BROADCAST_BASE, 3, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 350 | |
vpcola | 0:a1734fe1ec4b | 351 | /* Fit the structure with the read addresses */ |
vpcola | 0:a1734fe1ec4b | 352 | pxPktBasicAddresses->cBroadcastAddress = tempRegValue[0]; |
vpcola | 0:a1734fe1ec4b | 353 | pxPktBasicAddresses->cMulticastAddress = tempRegValue[1]; |
vpcola | 0:a1734fe1ec4b | 354 | pxPktBasicAddresses->cMyAddress = tempRegValue[2]; |
vpcola | 0:a1734fe1ec4b | 355 | |
vpcola | 0:a1734fe1ec4b | 356 | g_xStatus = SpiritSpiReadRegisters(PCKT_FLT_OPTIONS_BASE, 1, &tempRegValue[0]); |
vpcola | 0:a1734fe1ec4b | 357 | |
vpcola | 0:a1734fe1ec4b | 358 | /* Fit the structure with the read filtering bits */ |
vpcola | 0:a1734fe1ec4b | 359 | pxPktBasicAddresses->xFilterOnBroadcastAddress = (SpiritFunctionalState)((tempRegValue[0] >> 1) & 0x01); |
vpcola | 0:a1734fe1ec4b | 360 | pxPktBasicAddresses->xFilterOnMulticastAddress = (SpiritFunctionalState)((tempRegValue[0] >> 2) & 0x01); |
vpcola | 0:a1734fe1ec4b | 361 | pxPktBasicAddresses->xFilterOnMyAddress = (SpiritFunctionalState)((tempRegValue[0] >> 3) & 0x01); |
vpcola | 0:a1734fe1ec4b | 362 | |
vpcola | 0:a1734fe1ec4b | 363 | } |
vpcola | 0:a1734fe1ec4b | 364 | |
vpcola | 0:a1734fe1ec4b | 365 | |
vpcola | 0:a1734fe1ec4b | 366 | /** |
vpcola | 0:a1734fe1ec4b | 367 | * @brief Configures the Basic packet format as packet used by SPIRIT. |
vpcola | 0:a1734fe1ec4b | 368 | * @param None. |
vpcola | 0:a1734fe1ec4b | 369 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 370 | */ |
vpcola | 0:a1734fe1ec4b | 371 | void SpiritPktBasicSetFormat(void) |
vpcola | 0:a1734fe1ec4b | 372 | { |
vpcola | 0:a1734fe1ec4b | 373 | uint8_t tempRegValue; |
vpcola | 0:a1734fe1ec4b | 374 | |
vpcola | 0:a1734fe1ec4b | 375 | /* Reads the register value */ |
vpcola | 0:a1734fe1ec4b | 376 | g_xStatus = SpiritSpiReadRegisters(PCKTCTRL3_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 377 | |
vpcola | 0:a1734fe1ec4b | 378 | /* Build the new value. Also set to 0 the direct RX mode bits */ |
vpcola | 0:a1734fe1ec4b | 379 | tempRegValue &= 0x0F; |
vpcola | 0:a1734fe1ec4b | 380 | tempRegValue |= (uint8_t)PCKTCTRL3_PCKT_FRMT_BASIC; |
vpcola | 0:a1734fe1ec4b | 381 | |
vpcola | 0:a1734fe1ec4b | 382 | /* Writes the value on the PCKTCTRL3 register */ |
vpcola | 0:a1734fe1ec4b | 383 | g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL3_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 384 | |
vpcola | 0:a1734fe1ec4b | 385 | /* Reads the PCKTCTRL1_BASE register */ |
vpcola | 0:a1734fe1ec4b | 386 | g_xStatus = SpiritSpiReadRegisters(PCKTCTRL1_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 387 | |
vpcola | 0:a1734fe1ec4b | 388 | /* Build the new value. Set to 0 the direct TX mode bits */ |
vpcola | 0:a1734fe1ec4b | 389 | tempRegValue &= 0xF3; |
vpcola | 0:a1734fe1ec4b | 390 | |
vpcola | 0:a1734fe1ec4b | 391 | /* Writes the value on the PCKTCTRL1 register */ |
vpcola | 0:a1734fe1ec4b | 392 | g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL1_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 393 | |
vpcola | 0:a1734fe1ec4b | 394 | /* Reads the PROTOCOL1 register */ |
vpcola | 0:a1734fe1ec4b | 395 | g_xStatus = SpiritSpiReadRegisters(PROTOCOL1_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 396 | |
vpcola | 0:a1734fe1ec4b | 397 | /* Mask a reserved bit */ |
vpcola | 0:a1734fe1ec4b | 398 | tempRegValue &= ~0x20; |
vpcola | 0:a1734fe1ec4b | 399 | |
vpcola | 0:a1734fe1ec4b | 400 | /* Writes the value on register */ |
vpcola | 0:a1734fe1ec4b | 401 | g_xStatus = SpiritSpiWriteRegisters(PROTOCOL1_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 402 | } |
vpcola | 0:a1734fe1ec4b | 403 | |
vpcola | 0:a1734fe1ec4b | 404 | |
vpcola | 0:a1734fe1ec4b | 405 | /** |
vpcola | 0:a1734fe1ec4b | 406 | * @brief Sets the address length for SPIRIT Basic packets. |
vpcola | 0:a1734fe1ec4b | 407 | * @param xAddressField length of ADDRESS in bytes. |
vpcola | 0:a1734fe1ec4b | 408 | * This parameter can be: S_ENABLE or S_DISABLE. |
vpcola | 0:a1734fe1ec4b | 409 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 410 | */ |
vpcola | 0:a1734fe1ec4b | 411 | void SpiritPktBasicAddressField(SpiritFunctionalState xAddressField) |
vpcola | 0:a1734fe1ec4b | 412 | { |
vpcola | 0:a1734fe1ec4b | 413 | uint8_t tempRegValue; |
vpcola | 0:a1734fe1ec4b | 414 | |
vpcola | 0:a1734fe1ec4b | 415 | /* Check the parameters */ |
vpcola | 0:a1734fe1ec4b | 416 | s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(xAddressField)); |
vpcola | 0:a1734fe1ec4b | 417 | |
vpcola | 0:a1734fe1ec4b | 418 | /* Reads the PCKTCTRL4 register value */ |
vpcola | 0:a1734fe1ec4b | 419 | g_xStatus = SpiritSpiReadRegisters(PCKTCTRL4_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 420 | |
vpcola | 0:a1734fe1ec4b | 421 | /* Build the address length for the register */ |
vpcola | 0:a1734fe1ec4b | 422 | if(xAddressField==S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 423 | { |
vpcola | 0:a1734fe1ec4b | 424 | tempRegValue |= 0x08; |
vpcola | 0:a1734fe1ec4b | 425 | } |
vpcola | 0:a1734fe1ec4b | 426 | else |
vpcola | 0:a1734fe1ec4b | 427 | { |
vpcola | 0:a1734fe1ec4b | 428 | tempRegValue &= 0x07; |
vpcola | 0:a1734fe1ec4b | 429 | } |
vpcola | 0:a1734fe1ec4b | 430 | |
vpcola | 0:a1734fe1ec4b | 431 | /* Writes the new value on the PCKTCTRL4 register */ |
vpcola | 0:a1734fe1ec4b | 432 | g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL4_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 433 | |
vpcola | 0:a1734fe1ec4b | 434 | } |
vpcola | 0:a1734fe1ec4b | 435 | |
vpcola | 0:a1734fe1ec4b | 436 | |
vpcola | 0:a1734fe1ec4b | 437 | /** |
vpcola | 0:a1734fe1ec4b | 438 | * @brief Specifies if the Address field for SPIRIT Basic packets is enabled or disabled. |
vpcola | 0:a1734fe1ec4b | 439 | * @param None. |
vpcola | 0:a1734fe1ec4b | 440 | * @retval SpiritFunctionalState Notifies if the address field is enabled or disabled. |
vpcola | 0:a1734fe1ec4b | 441 | */ |
vpcola | 0:a1734fe1ec4b | 442 | SpiritFunctionalState SpiritPktBasicGetAddressField(void) |
vpcola | 0:a1734fe1ec4b | 443 | { |
vpcola | 0:a1734fe1ec4b | 444 | uint8_t tempRegValue; |
vpcola | 0:a1734fe1ec4b | 445 | |
vpcola | 0:a1734fe1ec4b | 446 | /* Reads the PCKTCTRL4 register value */ |
vpcola | 0:a1734fe1ec4b | 447 | g_xStatus = SpiritSpiReadRegisters(PCKTCTRL4_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 448 | |
vpcola | 0:a1734fe1ec4b | 449 | /* Returns the address field value */ |
vpcola | 0:a1734fe1ec4b | 450 | if(tempRegValue & PCKTCTRL4_ADDRESS_LEN_MASK) |
vpcola | 0:a1734fe1ec4b | 451 | { |
vpcola | 0:a1734fe1ec4b | 452 | return S_ENABLE; |
vpcola | 0:a1734fe1ec4b | 453 | } |
vpcola | 0:a1734fe1ec4b | 454 | else |
vpcola | 0:a1734fe1ec4b | 455 | { |
vpcola | 0:a1734fe1ec4b | 456 | return S_DISABLE; |
vpcola | 0:a1734fe1ec4b | 457 | } |
vpcola | 0:a1734fe1ec4b | 458 | |
vpcola | 0:a1734fe1ec4b | 459 | } |
vpcola | 0:a1734fe1ec4b | 460 | |
vpcola | 0:a1734fe1ec4b | 461 | |
vpcola | 0:a1734fe1ec4b | 462 | /** |
vpcola | 0:a1734fe1ec4b | 463 | * @brief Sets the payload length for SPIRIT Basic packets. Since the packet length |
vpcola | 0:a1734fe1ec4b | 464 | * depends from the address and the control field size, this |
vpcola | 0:a1734fe1ec4b | 465 | * function reads the correspondent registers in order to determine |
vpcola | 0:a1734fe1ec4b | 466 | * the correct packet length to be written. |
vpcola | 0:a1734fe1ec4b | 467 | * @param nPayloadLength payload length in bytes. |
vpcola | 0:a1734fe1ec4b | 468 | * This parameter is an uint16_t. |
vpcola | 0:a1734fe1ec4b | 469 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 470 | */ |
vpcola | 0:a1734fe1ec4b | 471 | void SpiritPktBasicSetPayloadLength(uint16_t nPayloadLength) |
vpcola | 0:a1734fe1ec4b | 472 | { |
vpcola | 0:a1734fe1ec4b | 473 | uint8_t tempRegValue[2]; |
vpcola | 0:a1734fe1ec4b | 474 | uint16_t overSize=0; |
vpcola | 0:a1734fe1ec4b | 475 | |
vpcola | 0:a1734fe1ec4b | 476 | /* Computes the oversize (address + control) size */ |
vpcola | 0:a1734fe1ec4b | 477 | if(SpiritPktBasicGetAddressField()) |
vpcola | 0:a1734fe1ec4b | 478 | { |
vpcola | 0:a1734fe1ec4b | 479 | overSize=1; |
vpcola | 0:a1734fe1ec4b | 480 | } |
vpcola | 0:a1734fe1ec4b | 481 | overSize += (uint16_t) SpiritPktBasicGetControlLength(); |
vpcola | 0:a1734fe1ec4b | 482 | |
vpcola | 0:a1734fe1ec4b | 483 | /* Computes PCKTLEN0 value from nPayloadLength */ |
vpcola | 0:a1734fe1ec4b | 484 | tempRegValue[1]=BASIC_BUILD_PCKTLEN0(nPayloadLength+overSize); |
vpcola | 0:a1734fe1ec4b | 485 | /* Computes PCKTLEN1 value from nPayloadLength */ |
vpcola | 0:a1734fe1ec4b | 486 | tempRegValue[0]=BASIC_BUILD_PCKTLEN1(nPayloadLength+overSize); |
vpcola | 0:a1734fe1ec4b | 487 | |
vpcola | 0:a1734fe1ec4b | 488 | /* Writes data on the PCKTLEN1/0 register */ |
vpcola | 0:a1734fe1ec4b | 489 | g_xStatus = SpiritSpiWriteRegisters(PCKTLEN1_BASE, 2, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 490 | |
vpcola | 0:a1734fe1ec4b | 491 | } |
vpcola | 0:a1734fe1ec4b | 492 | |
vpcola | 0:a1734fe1ec4b | 493 | |
vpcola | 0:a1734fe1ec4b | 494 | /** |
vpcola | 0:a1734fe1ec4b | 495 | * @brief Returns the payload length for SPIRIT Basic packets. Since the |
vpcola | 0:a1734fe1ec4b | 496 | * packet length depends from the address and the control |
vpcola | 0:a1734fe1ec4b | 497 | * field size, this function reads the correspondent |
vpcola | 0:a1734fe1ec4b | 498 | * registers in order to determine the correct payload length |
vpcola | 0:a1734fe1ec4b | 499 | * to be returned. |
vpcola | 0:a1734fe1ec4b | 500 | * @param None. |
vpcola | 0:a1734fe1ec4b | 501 | * @retval uint16_t Payload length in bytes. |
vpcola | 0:a1734fe1ec4b | 502 | */ |
vpcola | 0:a1734fe1ec4b | 503 | uint16_t SpiritPktBasicGetPayloadLength(void) |
vpcola | 0:a1734fe1ec4b | 504 | { |
vpcola | 0:a1734fe1ec4b | 505 | uint8_t tempRegValue[2]; |
vpcola | 0:a1734fe1ec4b | 506 | uint16_t overSize=0; |
vpcola | 0:a1734fe1ec4b | 507 | |
vpcola | 0:a1734fe1ec4b | 508 | /* Computes the oversize (address + control) size */ |
vpcola | 0:a1734fe1ec4b | 509 | if(SpiritPktBasicGetAddressField()) |
vpcola | 0:a1734fe1ec4b | 510 | { |
vpcola | 0:a1734fe1ec4b | 511 | overSize=1; |
vpcola | 0:a1734fe1ec4b | 512 | } |
vpcola | 0:a1734fe1ec4b | 513 | overSize += (uint16_t) SpiritPktBasicGetControlLength(); |
vpcola | 0:a1734fe1ec4b | 514 | |
vpcola | 0:a1734fe1ec4b | 515 | /* Reads the packet length registers */ |
vpcola | 0:a1734fe1ec4b | 516 | g_xStatus = SpiritSpiReadRegisters(PCKTLEN1_BASE, 2, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 517 | |
vpcola | 0:a1734fe1ec4b | 518 | /* Returns the packet length */ |
vpcola | 0:a1734fe1ec4b | 519 | return ((((uint16_t)tempRegValue[0])<<8) + (uint16_t) tempRegValue[1]) - overSize; |
vpcola | 0:a1734fe1ec4b | 520 | } |
vpcola | 0:a1734fe1ec4b | 521 | |
vpcola | 0:a1734fe1ec4b | 522 | /** |
vpcola | 0:a1734fe1ec4b | 523 | * @brief Returns the packet length field of the received packet. |
vpcola | 0:a1734fe1ec4b | 524 | * @param None. |
vpcola | 0:a1734fe1ec4b | 525 | * @retval uint16_t Packet length. |
vpcola | 0:a1734fe1ec4b | 526 | */ |
vpcola | 0:a1734fe1ec4b | 527 | uint16_t SpiritPktBasicGetReceivedPktLength(void) |
vpcola | 0:a1734fe1ec4b | 528 | { |
vpcola | 0:a1734fe1ec4b | 529 | uint8_t tempRegValue[2]; |
vpcola | 0:a1734fe1ec4b | 530 | uint16_t overSize=0; |
vpcola | 0:a1734fe1ec4b | 531 | |
vpcola | 0:a1734fe1ec4b | 532 | /* Computes the oversize (address + control) size */ |
vpcola | 0:a1734fe1ec4b | 533 | if(SpiritPktBasicGetAddressField()) |
vpcola | 0:a1734fe1ec4b | 534 | { |
vpcola | 0:a1734fe1ec4b | 535 | overSize=1; |
vpcola | 0:a1734fe1ec4b | 536 | } |
vpcola | 0:a1734fe1ec4b | 537 | overSize += (uint16_t) SpiritPktBasicGetControlLength(); |
vpcola | 0:a1734fe1ec4b | 538 | |
vpcola | 0:a1734fe1ec4b | 539 | /* Reads the RX_PCKT_LENx registers value */ |
vpcola | 0:a1734fe1ec4b | 540 | g_xStatus = SpiritSpiReadRegisters(RX_PCKT_LEN1_BASE, 2, tempRegValue); |
vpcola | 0:a1734fe1ec4b | 541 | |
vpcola | 0:a1734fe1ec4b | 542 | /* Rebuild and return the length field */ |
vpcola | 0:a1734fe1ec4b | 543 | return (((((uint16_t) tempRegValue[0]) << 8) + (uint16_t) tempRegValue[1]) - overSize); |
vpcola | 0:a1734fe1ec4b | 544 | } |
vpcola | 0:a1734fe1ec4b | 545 | |
vpcola | 0:a1734fe1ec4b | 546 | /** |
vpcola | 0:a1734fe1ec4b | 547 | * @brief Computes and sets the variable payload length for SPIRIT Basic packets. |
vpcola | 0:a1734fe1ec4b | 548 | * @param nMaxPayloadLength payload length in bytes. |
vpcola | 0:a1734fe1ec4b | 549 | * This parameter is an uint16_t. |
vpcola | 0:a1734fe1ec4b | 550 | * @param xAddressField Enable or Disable Address Field. |
vpcola | 0:a1734fe1ec4b | 551 | * This parameter can be S_ENABLE or S_DISABLE. |
vpcola | 0:a1734fe1ec4b | 552 | * @param xControlLength Control length in bytes. |
vpcola | 0:a1734fe1ec4b | 553 | * This parameter can be any value of @ref BasicControlLength. |
vpcola | 0:a1734fe1ec4b | 554 | * @retval None. |
vpcola | 0:a1734fe1ec4b | 555 | */ |
vpcola | 0:a1734fe1ec4b | 556 | void SpiritPktBasicSetVarLengthWidth(uint16_t nMaxPayloadLength, SpiritFunctionalState xAddressField, BasicControlLength xControlLength) |
vpcola | 0:a1734fe1ec4b | 557 | { |
vpcola | 0:a1734fe1ec4b | 558 | uint8_t tempRegValue, |
vpcola | 0:a1734fe1ec4b | 559 | addressLength, |
vpcola | 0:a1734fe1ec4b | 560 | i; |
vpcola | 0:a1734fe1ec4b | 561 | uint32_t packetLength; |
vpcola | 0:a1734fe1ec4b | 562 | |
vpcola | 0:a1734fe1ec4b | 563 | /* Sets the address length according to xAddressField */ |
vpcola | 0:a1734fe1ec4b | 564 | if(xAddressField == S_ENABLE) |
vpcola | 0:a1734fe1ec4b | 565 | { |
vpcola | 0:a1734fe1ec4b | 566 | addressLength=1; |
vpcola | 0:a1734fe1ec4b | 567 | } |
vpcola | 0:a1734fe1ec4b | 568 | else |
vpcola | 0:a1734fe1ec4b | 569 | { |
vpcola | 0:a1734fe1ec4b | 570 | addressLength=0; |
vpcola | 0:a1734fe1ec4b | 571 | } |
vpcola | 0:a1734fe1ec4b | 572 | |
vpcola | 0:a1734fe1ec4b | 573 | /* packet length = payload length + address length + control length */ |
vpcola | 0:a1734fe1ec4b | 574 | packetLength=nMaxPayloadLength+addressLength+xControlLength; |
vpcola | 0:a1734fe1ec4b | 575 | |
vpcola | 0:a1734fe1ec4b | 576 | /* Computes the number of bits */ |
vpcola | 0:a1734fe1ec4b | 577 | for(i=0;i<16;i++) |
vpcola | 0:a1734fe1ec4b | 578 | { |
vpcola | 0:a1734fe1ec4b | 579 | if(packetLength == 0) break; |
vpcola | 0:a1734fe1ec4b | 580 | { |
vpcola | 0:a1734fe1ec4b | 581 | packetLength >>= 1; |
vpcola | 0:a1734fe1ec4b | 582 | } |
vpcola | 0:a1734fe1ec4b | 583 | } |
vpcola | 0:a1734fe1ec4b | 584 | i==0 ? i=1 : i; |
vpcola | 0:a1734fe1ec4b | 585 | |
vpcola | 0:a1734fe1ec4b | 586 | /* Reads the PCKTCTRL3 register value */ |
vpcola | 0:a1734fe1ec4b | 587 | g_xStatus = SpiritSpiReadRegisters(PCKTCTRL3_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 588 | |
vpcola | 0:a1734fe1ec4b | 589 | /* Build value for the length width */ |
vpcola | 0:a1734fe1ec4b | 590 | tempRegValue &= ~PCKTCTRL3_LEN_WID_MASK; |
vpcola | 0:a1734fe1ec4b | 591 | tempRegValue |= (uint8_t)(i-1); |
vpcola | 0:a1734fe1ec4b | 592 | |
vpcola | 0:a1734fe1ec4b | 593 | /* Writes the PCKTCTRL3 register value */ |
vpcola | 0:a1734fe1ec4b | 594 | g_xStatus = SpiritSpiWriteRegisters(PCKTCTRL3_BASE, 1, &tempRegValue); |
vpcola | 0:a1734fe1ec4b | 595 | |
vpcola | 0:a1734fe1ec4b | 596 | } |
vpcola | 0:a1734fe1ec4b | 597 | |
vpcola | 0:a1734fe1ec4b | 598 | |
vpcola | 0:a1734fe1ec4b | 599 | |
vpcola | 0:a1734fe1ec4b | 600 | /** |
vpcola | 0:a1734fe1ec4b | 601 | *@} |
vpcola | 0:a1734fe1ec4b | 602 | */ |
vpcola | 0:a1734fe1ec4b | 603 | |
vpcola | 0:a1734fe1ec4b | 604 | /** |
vpcola | 0:a1734fe1ec4b | 605 | *@} |
vpcola | 0:a1734fe1ec4b | 606 | */ |
vpcola | 0:a1734fe1ec4b | 607 | |
vpcola | 0:a1734fe1ec4b | 608 | |
vpcola | 0:a1734fe1ec4b | 609 | /** |
vpcola | 0:a1734fe1ec4b | 610 | *@} |
vpcola | 0:a1734fe1ec4b | 611 | */ |
vpcola | 0:a1734fe1ec4b | 612 | |
vpcola | 0:a1734fe1ec4b | 613 | |
vpcola | 0:a1734fe1ec4b | 614 | |
vpcola | 0:a1734fe1ec4b | 615 | /******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/ |