1 /* -------------------------------- Arctic Core ------------------------------
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2 * Arctic Core - the open source AUTOSAR platform http://arccore.com
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4 * Copyright (C) 2009 ArcCore AB <contact@arccore.com>
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6 * This source code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 as published by the
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8 * Free Software Foundation; See <http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt>.
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10 * This program is distributed in the hope that it will be useful, but
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * -------------------------------- Arctic Core ------------------------------*/
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17 //lint -esym(960,8.7) PC-Lint misunderstanding of Misra 8.7 for Com_SystenEndianness and endianess_test
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25 #include "Com_Arc_Types.h"
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27 #include "Com_Internal.h"
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28 #include "Com_misc.h"
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34 Com_BufferPduStateType Com_BufferPduState[COM_N_IPDUS];
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37 uint8 Com_SendSignal(Com_SignalIdType SignalId, const void *SignalDataPtr) {
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38 VALIDATE_SIGNAL(SignalId, 0x0a, E_NOT_OK);
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39 // Store pointer to signal for easier coding.
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40 const ComSignal_type * Signal = GET_Signal(SignalId);
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41 const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
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42 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
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44 if (isPduBufferLocked(getPduId(IPdu))) {
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47 //DEBUG(DEBUG_LOW, "Com_SendSignal: id %d, nBytes %d, BitPosition %d, intVal %d\n", SignalId, nBytes, signal->ComBitPosition, (uint32)*(uint8 *)SignalDataPtr);
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51 Irq_Save(irq_state);
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52 Com_WriteSignalDataToPdu(Signal->ComHandleId, SignalDataPtr);
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54 // If the signal has an update bit. Set it!
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55 if (Signal->ComSignalArcUseUpdateBit) {
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56 SETBIT(IPdu->ComIPduDataPtr, Signal->ComUpdateBitPosition);
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60 * If signal has triggered transmit property, trigger a transmission!
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62 if (Signal->ComTransferProperty == TRIGGERED) {
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63 Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduNumberOfRepetitionsLeft = IPdu->ComTxIPdu.ComTxModeTrue.ComTxModeNumberOfRepetitions + 1;
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65 Irq_Restore(irq_state);
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70 uint8 Com_ReceiveSignal(Com_SignalIdType SignalId, void* SignalDataPtr) {
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71 VALIDATE_SIGNAL(SignalId, 0x0b, E_NOT_OK);
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72 DEBUG(DEBUG_LOW, "Com_ReceiveSignal: SignalId %d\n", SignalId);
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74 const ComSignal_type * Signal = GET_Signal(SignalId);
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75 const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
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76 if (isPduBufferLocked(getPduId(IPdu))) {
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80 Com_ReadSignalDataFromPdu(SignalId, SignalDataPtr);
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85 uint8 Com_ReceiveDynSignal(Com_SignalIdType SignalId, void* SignalDataPtr, uint16* Length) {
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86 const ComSignal_type * Signal = GET_Signal(SignalId);
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87 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
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88 const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
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91 Com_SignalType signalType = Signal->ComSignalType;
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92 if (signalType != UINT8_DYN || isPduBufferLocked(getPduId(IPdu))) {
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93 return COM_SERVICE_NOT_AVAILABLE;
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98 if (*Length > Arc_IPdu->Com_Arc_DynSignalLength) {
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99 *Length = Arc_IPdu->Com_Arc_DynSignalLength;
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101 uint8 startFromPduByte = (Signal->ComBitPosition) / 8;
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102 memcpy(SignalDataPtr, IPdu->ComIPduDataPtr + startFromPduByte, *Length);
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104 Irq_Restore(state);
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109 uint8 Com_SendDynSignal(Com_SignalIdType SignalId, const void* SignalDataPtr, uint16 Length) {
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110 const ComSignal_type * Signal = GET_Signal(SignalId);
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111 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
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112 const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
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115 Com_SignalType signalType = Signal->ComSignalType;
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116 if (signalType != UINT8_DYN) {
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117 return COM_SERVICE_NOT_AVAILABLE;
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119 if (isPduBufferLocked(getPduId(IPdu))) {
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122 uint8 signalLength = Signal->ComBitSize / 8;
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123 Com_BitPositionType bitPosition = Signal->ComBitPosition;
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124 if (signalLength < Length) {
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127 uint8 startFromPduByte = bitPosition / 8;
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130 memcpy((void *)(IPdu->ComIPduDataPtr + startFromPduByte), SignalDataPtr, Length);
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131 Arc_IPdu->Com_Arc_DynSignalLength = Length;
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132 // If the signal has an update bit. Set it!
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133 if (Signal->ComSignalArcUseUpdateBit) {
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134 SETBIT(IPdu->ComIPduDataPtr, Signal->ComUpdateBitPosition);
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136 // If signal has triggered transmit property, trigger a transmission!
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137 if (Signal->ComTransferProperty == TRIGGERED) {
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138 Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduNumberOfRepetitionsLeft = IPdu->ComTxIPdu.ComTxModeTrue.ComTxModeNumberOfRepetitions + 1;
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140 Irq_Restore(state);
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145 Std_ReturnType Com_TriggerTransmit(PduIdType ComTxPduId, PduInfoType *PduInfoPtr) {
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146 PDU_ID_CHECK(ComTxPduId, 0x13, E_NOT_OK);
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148 * COM260: This function must not check the transmission mode of the I-PDU
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149 * since it should be possible to use it regardless of the transmission mode.
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153 * COM395: This function must override the IPdu callouts used in Com_TriggerIPduTransmit();
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155 const ComIPdu_type *IPdu = GET_IPdu(ComTxPduId);
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160 memcpy(PduInfoPtr->SduDataPtr, IPdu->ComIPduDataPtr, IPdu->ComIPduSize);
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162 Irq_Restore(state);
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164 PduInfoPtr->SduLength = IPdu->ComIPduSize;
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169 //lint -esym(904, Com_TriggerIPduSend) //PC-Lint Exception of rule 14.7
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170 void Com_TriggerIPduSend(PduIdType ComTxPduId) {
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171 PDU_ID_CHECK(ComTxPduId, 0x17);
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173 const ComIPdu_type *IPdu = GET_IPdu(ComTxPduId);
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174 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(ComTxPduId);
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178 // Is the IPdu ready for transmission?
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179 if (Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduMinimumDelayTimer == 0) {
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181 //lint --e(725) Suppress PC-Lint warning "Expected positive indentation...". What means?
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182 // Check callout status
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183 if (IPdu->ComIPduCallout != NULL) {
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184 if (!IPdu->ComIPduCallout(ComTxPduId, IPdu->ComIPduDataPtr)) {
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185 // TODO Report error to DET.
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186 // Det_ReportError();
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187 Irq_Restore(state);
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191 PduInfoType PduInfoPackage;
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192 PduInfoPackage.SduDataPtr = (uint8 *)IPdu->ComIPduDataPtr;
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193 if (IPdu->ComIPduDynSignalRef != 0) {
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194 uint8 sizeWithoutDynSignal = IPdu->ComIPduSize - (IPdu->ComIPduDynSignalRef->ComBitSize/8);
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195 PduInfoPackage.SduLength = sizeWithoutDynSignal + Arc_IPdu->Com_Arc_DynSignalLength;
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197 PduInfoPackage.SduLength = IPdu->ComIPduSize;
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201 if (PduR_ComTransmit(IPdu->ArcIPduOutgoingId, &PduInfoPackage) == E_OK) {
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202 // Clear all update bits for the contained signals
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203 for (uint8 i = 0; (IPdu->ComIPduSignalRef != NULL) && (IPdu->ComIPduSignalRef[i] != NULL); i++) {
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204 if (IPdu->ComIPduSignalRef[i]->ComSignalArcUseUpdateBit) {
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205 CLEARBIT(IPdu->ComIPduDataPtr, IPdu->ComIPduSignalRef[i]->ComUpdateBitPosition);
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209 UnlockTpBuffer(getPduId(IPdu));
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212 // Reset miminum delay timer.
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213 Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduMinimumDelayTimer = IPdu->ComTxIPdu.ComTxIPduMinimumDelayFactor;
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215 //DEBUG(DEBUG_MEDIUM, "failed (MDT)!\n", ComTxPduId);
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217 Irq_Restore(state);
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220 //lint -esym(904, Com_RxIndication) //PC-Lint Exception of rule 14.7
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221 void Com_RxIndication(PduIdType ComRxPduId, const PduInfoType* PduInfoPtr) {
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222 PDU_ID_CHECK(ComRxPduId, 0x14);
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224 const ComIPdu_type *IPdu = GET_IPdu(ComRxPduId);
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225 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(ComRxPduId);
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229 // If Ipdu is stopped
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230 if (!Arc_IPdu->Com_Arc_IpduStarted) {
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231 Irq_Restore(state);
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235 // Check callout status
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236 if (IPdu->ComIPduCallout != NULL) {
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237 if (!IPdu->ComIPduCallout(ComRxPduId, PduInfoPtr->SduDataPtr)) {
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238 // TODO Report error to DET.
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239 // Det_ReportError();
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240 Irq_Restore(state);
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246 memcpy((void *)IPdu->ComIPduDataPtr, PduInfoPtr->SduDataPtr, IPdu->ComIPduSize);
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248 Com_RxProcessSignals(IPdu,Arc_IPdu);
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250 Irq_Restore(state);
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255 void Com_TpRxIndication(PduIdType PduId, NotifResultType Result) {
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256 PDU_ID_CHECK(PduId, 0x14);
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258 const ComIPdu_type *IPdu = GET_IPdu(PduId);
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259 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(PduId);
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264 // If Ipdu is stopped
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265 if (!Arc_IPdu->Com_Arc_IpduStarted) {
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266 Irq_Restore(state);
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271 UnlockTpBuffer(getPduId(IPdu));
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273 if (Result == NTFRSLT_OK) {
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274 Com_RxProcessSignals(IPdu,Arc_IPdu);
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277 Irq_Restore(state);
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280 void Com_TpTxConfirmation(PduIdType PduId, NotifResultType Result) {
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281 PDU_ID_CHECK(PduId, 0x15);
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282 const ComIPdu_type *IPdu = GET_IPdu(PduId);
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283 (void)Result; // touch
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287 UnlockTpBuffer(getPduId(IPdu));
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288 Irq_Restore(state);
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290 void Com_TxConfirmation(PduIdType ComTxPduId) {
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291 PDU_ID_CHECK(ComTxPduId, 0x15);
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293 (void)ComTxPduId; // Nothing to be done. This is just to avoid Lint warning.
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297 Std_ReturnType Com_SendSignalGroup(Com_SignalGroupIdType SignalGroupId) {
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298 //#warning Com_SendSignalGroup should be performed atomically. Should we disable interrupts here?
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299 const ComSignal_type * Signal = GET_Signal(SignalGroupId);
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300 Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
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301 const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
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303 if (isPduBufferLocked(getPduId(IPdu))) {
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307 // Copy shadow buffer to Ipdu data space
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308 const ComGroupSignal_type *groupSignal;
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311 Irq_Save(irq_state);
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312 for (uint8 i = 0; Signal->ComGroupSignal[i] != NULL; i++) {
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313 groupSignal = Signal->ComGroupSignal[i];
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315 Com_WriteGroupSignalDataToPdu(Signal->ComHandleId, groupSignal->ComHandleId, Signal->Com_Arc_ShadowBuffer);
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318 // If the signal has an update bit. Set it!
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319 if (Signal->ComSignalArcUseUpdateBit) {
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320 SETBIT(IPdu->ComIPduDataPtr, Signal->ComUpdateBitPosition);
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323 // If signal has triggered transmit property, trigger a transmission!
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324 if (Signal->ComTransferProperty == TRIGGERED) {
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325 Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduNumberOfRepetitionsLeft = IPdu->ComTxIPdu.ComTxModeTrue.ComTxModeNumberOfRepetitions + 1;
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327 Irq_Restore(irq_state);
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333 Std_ReturnType Com_ReceiveSignalGroup(Com_SignalGroupIdType SignalGroupId) {
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334 //#warning Com_ReceiveSignalGroup should be performed atomically. Should we disable interrupts here?
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335 const ComSignal_type * Signal = GET_Signal(SignalGroupId);
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336 const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
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338 if (isPduBufferLocked(getPduId(IPdu))) {
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341 // Copy Ipdu data buffer to shadow buffer.
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342 const ComGroupSignal_type *groupSignal;
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345 Irq_Save(irq_state);
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346 for (uint8 i = 0; Signal->ComGroupSignal[i] != NULL; i++) {
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347 groupSignal = Signal->ComGroupSignal[i];
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349 Com_ReadSignalDataFromPdu(groupSignal->ComHandleId, (void *)Signal->Com_Arc_ShadowBuffer);
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351 Irq_Restore(irq_state);
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356 void Com_UpdateShadowSignal(Com_SignalIdType SignalId, const void *SignalDataPtr) {
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357 Com_Arc_GroupSignal_type *Arc_GroupSignal = GET_ArcGroupSignal(SignalId);
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359 Com_WriteSignalDataToPduBuffer(SignalId, TRUE, SignalDataPtr, (void *)Arc_GroupSignal->Com_Arc_ShadowBuffer, 8);
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362 void Com_ReceiveShadowSignal(Com_SignalIdType SignalId, void *SignalDataPtr) {
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363 Com_Arc_GroupSignal_type *Arc_GroupSignal = GET_ArcGroupSignal(SignalId);
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364 uint8 pduSize = GET_IPdu(GET_Signal(SignalId)->ComIPduHandleId)->ComIPduSize;
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366 Com_ReadSignalDataFromPduBuffer(SignalId, TRUE, SignalDataPtr, (void *)Arc_GroupSignal->Com_Arc_ShadowBuffer,pduSize);
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