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The C37.118 master communication protocol can be configured in the I/O Interface Configuration tool that can be opened from the HYPERSIM ribbon.
For more information on the general use of the I/O Interface Configuration, read here.
General Configuration
The Synchronization driver is configured within a single page.
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| Hardware | The only supported hardware at the moment is the Oregano Syn1588 PCIe card. | ||||||
| Enable verbose mode | If enabled, additional information will be displayed in the HYPERSIM log. Note that this option impacts real-time performance. | ||||||
| Synchronization mode | Select whether the card will be synchronized using PTP, IRIG-B, or 1PPS. When configured in PTP mode, the driver can operate as a PTP master or a PTP slave. The operation mode depends on the selected PTP profile and priority. When configured in IRIG-B or 1 PPS mode, the driver will expect to receive a valid signal on the external SMA connector. In this mode, the driver can also operate as a PTP master to synchronize other PTP slaves on the network. Possible options are:
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| Generate sync signal | This option is only available when the external synchronization mode is PTP. When operating in PTP mode, the external SMA connector can be used to generate a 1 PPS or an IRIG-B signal. Possible options are:
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| Wait for next second | If this parameter is enabled, the beginning of the simulation will be delayed until the next second change. The rising edge of the synchronization signal will be aligned with the rising edge of the 1 PPS signal in either PTP, IRIG-B, or 1 PPS mode. If this parameter is disabled, the simulation can begin in the middle of a second. | ||||||
| Wait for synchronization timeout (seconds) |
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| Network interface | This field is not mandatory, it can be left blank or set to "auto" to allow the software to automatically discover the network interface. Otherwise, this parameter must match with the network interface name of the IEEE1588 compatible hardware. An error will be displayed at execution time in case the network interface does not support PTP. | ||||||
| PTP profile | Select the PTP profile that matches your architecture. A PTP profile specifies a preset of IEEE1588 configuration and operation mode. For more information, please consult the IEEE 1588-2008 standard. Possible options are:
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| Delay mechanism | The mechanism used to calculate the delays incurred during the propagation of the packets across the network. Possible options are:
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| Use VLAN | Select this option if the synchronization hardware is connected to a VLAN. In this case, the VLAN index needs to be specified. | ||||||
| VLAN index | If the option Use VLAN is enabled, the VLAN index must be specified. | ||||||
| Priority | The value chosen for the priority will be taken into account by the Best Master Clock Algorithm (BMCA). A lower value means a higher priority. If the IEEE1588 card is operating in master mode and another device with a higher priority appears, on the network, the simulator will become a slave. | ||||||
| Advanced options | The Oregano Syn1588 PCIe card has the possibility to handle some custom specialized configurations. It should only be used by advanced users or with the help of the OPAL-RT's support team. | ||||||
| Time offset (s) | The time offset to apply on the timestamp read from the hardware, expressed in seconds. This parameter accepts values with precision up to the nanosecond. If set to an a non-null value, the driver will output the original time as well as the shifted timestamp. | ||||||
| Apply this configuration automatically next time the system boots |
This feature is not supported on 32-bit Linux platforms (x86). | ||||||
| Enable virtual mode | In virtual mode, the model can be executed even if this I/O interface is not compatible with the hardware configuration of the system. The connections between the model and the I/O interface will be done during the initialization, but the I/O interface will not do anything. The virtual mode can be used to troubleshoot problems on a system without having the required hardware, or to prepare a model with different I/O interfaces even if the final hardware platform is not available. |
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If for any reasons your system requires many seconds to have a good synchronization with the synchronization source, the option Apply this configuration automatically next time the system boots can be enabled. Another option is to increase the Wait for synchronization timeout. If this value is too high, the HYPERSIM initialization watchdog might prevent the simulation to be launched. In this case, please contact OPAL-RT's technical support. |
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