Method and device for improving synchronization precision among multiple clocks
A technology of synchronization accuracy and clock, which is applied in the field of network communication systems, can solve the problem of low clock synchronization accuracy and achieve the effect of high synchronization accuracy
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Embodiment 1
[0052] Such as Figure 1 to Figure 3 As shown, a method for improving synchronization accuracy between multiple clocks of the present invention includes a multi-source clock device, which includes multiple hardware clocks; in this embodiment, the multi-source clock device includes a CPU and a switch Chip, the CPU includes a first hardware clock and a hardware register, and the exchange chip includes a second hardware clock;
[0053] The method includes the following steps:
[0054] S1: Based on the precise synchronization clock protocol, synchronize the second hardware clock in the multi-source clock device with the main clock device in the network; such as figure 1 As shown, the second hardware clock in the multi-source clock device is synchronized with the master clock device in the network through the IEEE 1588v2 protocol, and the master clock device in the network is a time keeping device in the network.
[0055] S2: Configure the synchronized second hardware clock and trigger th...
Embodiment 2
[0071] Such as Figure 1 to Figure 3 As shown, the difference between this embodiment and Embodiment 1 is that this embodiment provides an apparatus for improving synchronization accuracy among multiple clocks, and the apparatus for improving synchronization accuracy among multiple clocks includes a multi-source clock device, The multi-source clock device includes multiple hardware clocks; it also includes a memory storing a method program for improving synchronization accuracy between multiple clocks in Embodiment 1;
[0072] It also includes a processor, configured to execute the method program for improving the accuracy of synchronization between multiple clocks to perform operations of the following units:
[0073] Synchronization unit: Based on the precise synchronization clock protocol, synchronize a hardware clock in a multi-source clock device with the master clock device in the network;
[0074] Configuration and trigger unit: configure the synchronized hardware clock and tr...
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