Online CPLD (Complex Programmable Logic Devices) upgrading method, device and business veneer
A technology for files to be upgraded and upgraded, applied in the direction of program control devices, program loading/starting, etc., can solve problems such as business interruption, increase maintenance costs, and upgrades, and achieve the effects of improved reliability, high practical value, and simple methods
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[0056] The solution of the embodiment of the present invention is mainly: communicate with the remote control platform through the CPU of the service single board that needs to be upgraded, and copy the CPLD upgrade file sent by the remote control platform to the local memory of the service single board. When the CPLD upgrade command is sent, according to the CPLD upgrade file stored in the memory, the logic loading of the CPLD to be upgraded is carried out by simulating the JTAG interface, so as to realize the remote upgrade of the field device CPLD and improve the reliability of the CPLD online upgrade.
[0057] Such as figure 1 As shown, an embodiment of the present invention proposes a kind of CPLD online upgrade method, comprising:
[0058] Step S101, receiving the CPLD upgrade file sent by the remote control platform;
[0059] Such as figure 2 As shown, in the present embodiment, the service single board has a CPU and a CPLD to be upgraded, and a CPLD online upgrade d...
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