uint8 Com_SendSignal(Com_SignalIdType SignalId, const void *SignalDataPtr) {
VALIDATE_SIGNAL(SignalId, 0x0a, E_NOT_OK);
// Store pointer to signal for easier coding.
const ComSignal_type * Signal = GET_Signal(SignalId);
const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
if (isPduBufferLocked(getPduId(IPdu))) {
return COM_BUSY;
}
//DEBUG(DEBUG_LOW, "Com_SendSignal: id %d, nBytes %d, BitPosition %d, intVal %d\n", SignalId, nBytes, signal->ComBitPosition, (uint32)*(uint8 *)SignalDataPtr);
imask_t irq_state;
Irq_Save(irq_state);
Com_WriteSignalDataToPdu(Signal->ComHandleId, SignalDataPtr);
// If the signal has an update bit. Set it!
if (Signal->ComSignalArcUseUpdateBit) {
SETBIT(IPdu->ComIPduDataPtr, Signal->ComUpdateBitPosition);
}
/*
* If signal has triggered transmit property, trigger a transmission!
*/
if (Signal->ComTransferProperty == TRIGGERED) {
Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduNumberOfRepetitionsLeft = IPdu->ComTxIPdu.ComTxModeTrue.ComTxModeNumberOfRepetitions + 1;
}
Irq_Restore(irq_state);
return E_OK;
}
uint8 Com_ReceiveSignal(Com_SignalIdType SignalId, void* SignalDataPtr) {
VALIDATE_SIGNAL(SignalId, 0x0b, E_NOT_OK);
DEBUG(DEBUG_LOW, "Com_ReceiveSignal: SignalId %d\n", SignalId);
const ComSignal_type * Signal = GET_Signal(SignalId);
const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
uint8 r = E_OK;
const void* pduDataPtr = 0;
if (IPdu->ComIPduSignalProcessing == DEFERRED && IPdu->ComIPduDirection == RECEIVE) {
pduDataPtr = IPdu->ComIPduDeferredDataPtr;
} else {
if (isPduBufferLocked(getPduId(IPdu))) {
r = COM_BUSY;
}
pduDataPtr = IPdu->ComIPduDataPtr;
}
Com_ReadSignalDataFromPduBuffer(
SignalId,
FALSE,
SignalDataPtr,
pduDataPtr);
return r;
}
Std_ReturnType Com_SendSignalGroup(Com_SignalGroupIdType SignalGroupId) {
//#warning Com_SendSignalGroup should be performed atomically. Should we disable interrupts here?
const ComSignal_type * Signal = GET_Signal(SignalGroupId);
Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
if (isPduBufferLocked(getPduId(IPdu))) {
return COM_BUSY;
}
// Copy shadow buffer to Ipdu data space
imask_t irq_state;
Irq_Save(irq_state);
Com_CopySignalGroupDataFromShadowBufferToPdu(SignalGroupId);
// If the signal has an update bit. Set it!
if (Signal->ComSignalArcUseUpdateBit) {
SETBIT(IPdu->ComIPduDataPtr, Signal->ComUpdateBitPosition);
}
// If signal has triggered transmit property, trigger a transmission!
if (Signal->ComTransferProperty == TRIGGERED) {
Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduNumberOfRepetitionsLeft = IPdu->ComTxIPdu.ComTxModeTrue.ComTxModeNumberOfRepetitions + 1;
}
Irq_Restore(irq_state);
return E_OK;
}
uint8 Com_ReceiveDynSignal(Com_SignalIdType SignalId, void* SignalDataPtr, uint16* Length) {
const ComSignal_type * Signal = GET_Signal(SignalId);
Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
imask_t state;
uint8 startFromPduByte;
uint8 r = E_OK;
const void* pduDataPtr;
Com_SignalType signalType = Signal->ComSignalType;
if (signalType != UINT8_DYN) {
return COM_SERVICE_NOT_AVAILABLE;
}
Irq_Save(state);
if (*Length > Arc_IPdu->Com_Arc_DynSignalLength) {
*Length = Arc_IPdu->Com_Arc_DynSignalLength;
}
startFromPduByte = (Signal->ComBitPosition) / 8;
pduDataPtr = 0;
if (IPdu->ComIPduSignalProcessing == DEFERRED && IPdu->ComIPduDirection == RECEIVE) {
pduDataPtr = IPdu->ComIPduDeferredDataPtr;
} else {
if (isPduBufferLocked(getPduId(IPdu))) {
r = COM_BUSY;
}
pduDataPtr = IPdu->ComIPduDataPtr;
}
memcpy((void*)SignalDataPtr, (void*)((uint8*)pduDataPtr + startFromPduByte), *Length);
Irq_Restore(state);
return r;
}
Std_ReturnType Com_ReceiveSignalGroup(Com_SignalGroupIdType SignalGroupId) {
const ComSignal_type * Signal = GET_Signal(SignalGroupId);
const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
if (isPduBufferLocked(getPduId(IPdu))) {
return COM_BUSY;
}
// Copy Ipdu data buffer to shadow buffer.
Com_CopySignalGroupDataFromPduToShadowBuffer(SignalGroupId);
return E_OK;
}
uint8 Com_SendDynSignal(Com_SignalIdType SignalId, const void* SignalDataPtr, uint16 Length) {
const ComSignal_type * Signal = GET_Signal(SignalId);
Com_Arc_IPdu_type *Arc_IPdu = GET_ArcIPdu(Signal->ComIPduHandleId);
const ComIPdu_type *IPdu = GET_IPdu(Signal->ComIPduHandleId);
imask_t state;
Com_SignalType signalType = Signal->ComSignalType;
uint8 signalLength;
Com_BitPositionType bitPosition;
uint8 startFromPduByte;
if (signalType != UINT8_DYN) {
return COM_SERVICE_NOT_AVAILABLE;
}
if (isPduBufferLocked(getPduId(IPdu))) {
return COM_BUSY;
}
signalLength = Signal->ComBitSize / 8;
bitPosition = Signal->ComBitPosition;
if (signalLength < Length) {
return E_NOT_OK;
}
startFromPduByte = bitPosition / 8;
Irq_Save(state);
memcpy((void *)((uint8 *)IPdu->ComIPduDataPtr + startFromPduByte), SignalDataPtr, Length);
Arc_IPdu->Com_Arc_DynSignalLength = Length;
// If the signal has an update bit. Set it!
if (Signal->ComSignalArcUseUpdateBit) {
SETBIT(IPdu->ComIPduDataPtr, Signal->ComUpdateBitPosition);
}
// If signal has triggered transmit property, trigger a transmission!
if (Signal->ComTransferProperty == TRIGGERED) {
Arc_IPdu->Com_Arc_TxIPduTimers.ComTxIPduNumberOfRepetitionsLeft = IPdu->ComTxIPdu.ComTxModeTrue.ComTxModeNumberOfRepetitions + 1;
}
Irq_Restore(state);
return E_OK;
}
void Com_ReceiveShadowSignal(Com_SignalIdType SignalId, void *SignalDataPtr) {
Com_Arc_GroupSignal_type *Arc_GroupSignal = GET_ArcGroupSignal(SignalId);
uint8 pduSize = GET_IPdu(GET_Signal(SignalId)->ComIPduHandleId)->ComIPduSize;
Com_ReadSignalDataFromPduBuffer(SignalId, TRUE, SignalDataPtr, (void *)Arc_GroupSignal->Com_Arc_ShadowBuffer,pduSize);
}