I2C (Inter-Integrated Circuit) interface-based method for realizing NVME SSD (Non-Volatile Memory Express Solid State Disk) lighting through CPLD (Complex Programmable Logic Device)
A technology of I2C and interface, which is applied in the field of NVMeSSD lighting through CPLD based on I2C interface, can solve problems such as inability to realize fitness, and achieve the effects of flexible debugging, strong practicability, and convenient maintenance
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[0039] The present invention provides a method for realizing NVMe SSD lighting through CPLD based on I2C interface. The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0040] A method for realizing NVMe SSD lighting by CPLD based on I2C interface, comprising the following steps:
[0041] Step A: an initialization step, wherein the initialization step is to configure the CPLD into an I2C Slave device;
[0042] Step B: a state reading step, the state reading step is that the CPU reads the state of the NVMe SSD through the configured CPLD;
[0043] Step C: a lighting step, wherein the lighting step is that the CPU instructs the configured CPLD to light up a corresponding error indicator light. Realize decoding and lighting by CPLD, eliminating the steps of decoding by PIC.
[0044] Further, in the step A, the CPLD is configured as an I2C Slave through a state machine mechanism.
[0045] Further, the state mach...
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