Implemented legacy icsneoGetTimeStampForMsg() function call.

Signed-off-by: David Rebbe <drebbe@intrepidcs.com>

api/icsneoc/icsneoc.cpp

@@ -597,4 +597,15 @@ bool icsneo_getSupportedDevices(devicetype_t* devices, size_t* count) {
 	*count = len;
 
 	return true;
-}
+}
+
+extern bool DLLExport icsneo_getTimestampMultiplier(const neodevice_t* device, int* multiplier)
+{
+	if (!icsneo_isValidNeoDevice(device)) {
+		ErrorManager::GetInstance().add(APIError::InvalidNeoDevice);
+		return false;
+	}
+
+	*multiplier = device->device->getTimestampMultiplier();
+	return true;
+}

api/icsneolegacy/icsneolegacy.cpp

@@ -60,6 +60,12 @@ static void NeoMessageToSpyMessage(const neomessage_t& newmsg, icsSpyMessage& ol
 			oldmsg.Protocol = SPY_PROTOCOL_ETHERNET;
 			break;
 	}
+	// Timestamp - epoch = 1/1/2007 - 25ns per tick most of the time
+	uint64_t t = newmsg.timestamp;
+	if (newmsg.timestampMultiplier)
+		t /= newmsg.timestampMultiplier;
+	oldmsg.TimeHardware2 = (unsigned long)(t >> 32);
+	oldmsg.TimeHardware = (unsigned long)(t & 0xFFFFFFFF);
 }
 
 //Basic Functions
@@ -241,8 +247,26 @@ int icsneoEnableNetworkRXQueue(void* hObject, int iEnable) {
 }
 
 int icsneoGetTimeStampForMsg(void* hObject, icsSpyMessage* pMsg, double* pTimeStamp) {
-	// TODO Implement
-	return false;
+	if(!icsneoValidateHObject(hObject))
+		return false;
+	neodevice_t* device = (neodevice_t*)hObject;
+
+	int multiplier = 0;
+	if (!icsneo_getTimestampMultiplier(device, &multiplier))
+		return false;
+
+	// Convert back to ticks
+	uint64_t ticks = pMsg->TimeHardware2;
+	ticks <<= 32;
+	ticks += pMsg->TimeHardware;
+
+	// convert to ns
+	ticks *= multiplier;
+
+	// icsneoGetTimeStampForMsg() expects pTimeStamp to be in seconds
+	*pTimeStamp = ticks / (double)1000000000;
+
+	return true;
 }
 
 void icsneoGetISO15765Status(void* hObject, int lNetwork, int lClearTxStatus, int lClearRxStatus, int*lTxStatus, int*lRxStatus) {

communication/decoder.cpp

@@ -28,6 +28,7 @@ bool Decoder::decode(std::shared_ptr<Message>& result, const std::shared_ptr<Pac
 			// Timestamps are in (multiplier) ns increments since 1/1/2007 GMT 00:00:00.0000
 			// The resolution (multiplier) depends on the device
 			result->timestamp *= timestampMultiplier;
+			result->timestampMultiplier = timestampMultiplier;
 			result->network = packet->network;
 			return true;
 		case Network::Type::CAN:
@@ -43,6 +44,7 @@ bool Decoder::decode(std::shared_ptr<Message>& result, const std::shared_ptr<Pac
 			// Timestamps are in (multiplier) ns increments since 1/1/2007 GMT 00:00:00.0000
 			// The resolution (multiplier) depends on the device
 			result->timestamp *= timestampMultiplier; 
+			result->timestampMultiplier = timestampMultiplier;
 			result->network = packet->network;
 			return true;
 		}

communication/message/neomessage.cpp

@@ -14,6 +14,7 @@ neomessage_t icsneo::CreateNeoMessage(const std::shared_ptr<Message> message) {
 	neomsg.length = message->data.size();
 	neomsg.data = message->data.data();
 	neomsg.timestamp = message->timestamp;
+	neomsg.timestampMultiplier = message->timestampMultiplier;
 	neomsg.status.globalError = message->error;
 	neomsg.status.transmitMessage = message->transmitted;
 

device/device.cpp

@@ -67,6 +67,10 @@ bool Device::SerialStringIsNumeric(const std::string& serial) {
 	return isdigit(serial[0]) && isdigit(serial[1]);
 }
 
+int Device::getTimestampMultiplier() const {
+	return com->decoder->timestampMultiplier;
+}
+
 std::string Device::describe() const {
 	std::stringstream ss;
 	ss << getType() << ' ' << getSerial();

include/icsneo/communication/message/message.h

@@ -12,6 +12,7 @@ public:
 	Network network;
 	std::vector<uint8_t> data;
 	uint64_t timestamp = 0;
+	int timestampMultiplier = 0;
 	uint16_t description = 0;
 	bool transmitted = false;
 	bool error = false;

include/icsneo/communication/message/neomessage.h

@@ -108,7 +108,8 @@ typedef struct {
 	uint8_t header[4];
 	uint16_t netid;
 	uint8_t type;
-	uint8_t reserved[17];
+	uint8_t reserved[15];
+	uint16_t timestampMultiplier;
 } neomessage_t; // 72 bytes total
 // Any time you add another neomessage_*_t type, make sure to add it to the static_asserts below!
 

include/icsneo/device/device.h

@@ -29,6 +29,7 @@ public:
 	static uint32_t SerialStringToNum(const std::string& serial);
 	static bool SerialStringIsNumeric(const std::string& serial);
 
+	int getTimestampMultiplier() const;
 	DeviceType getType() const { return DeviceType(data.type); }
 	uint16_t getProductId() const { return productId; }
 	std::string getSerial() const { return data.serial; }

include/icsneo/icsneoc.h

@@ -626,6 +626,18 @@ extern size_t DLLExport icsneo_getErrorLimit(void);
  */
 extern bool DLLExport icsneo_getSupportedDevices(devicetype_t* devices, size_t* count);
 
+/**
+ * \brief Get the devices timestamp multiplier
+ * \param[out] device A pointer to a buffer of devicetype_t structures which will be written to.
+ * \param[inout] multiplier A pointer to an int, for legacy tick rate to ns
+
+ * \returns True unless device is invalid
+ */
+extern bool DLLExport icsneo_getTimestampMultiplier(const neodevice_t* device, int* multiplier);
+
+
+
+
 #ifdef __cplusplus
 } // extern "C"
 #endif