9.0.2 Read E-Marker cable  
E-Marker cable refers to a cable with an E-Marker chip in the Type-C  
interface,If the interface does not contain E-Marker chip,The packets from the  
PD charging head cannot exceed 3A current,And only use the E-Marker cable to  
trigger the PD protocol,The current can exceed 3A.  
When using PD listener,Except that the Type-C interface cannot be used for  
power supply,PC port, USB-A, Micro-USB interface can all be used for power  
supply.The PD communication switch needs to be turned ON.  
After entering this function,From any Type-C interface,Plug in the  
cable,You can read the message,As shown below.  
Click the middle button to switch to the figure below.  
The two pictures above,The picture shows the parsed data,The second  
picture is the original data,Users can consult the relevant information  
of the PD agreement by themselves,Do your own comparison.  
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