Difference between revisions of "How to debug"

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*[http://www.prolific.com.tw/US/ShowProduct.aspx?pcid=41 PL2303]
 
*[http://www.prolific.com.tw/US/ShowProduct.aspx?pcid=41 PL2303]
 
*[https://sparks.gogo.co.nz/ch340.html CH340]
 
*[https://sparks.gogo.co.nz/ch340.html CH340]
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Please connect device's TX to usb2uart adapter's RX and device's RX to usb2uart adapter's TX .
 
Please connect device's TX to usb2uart adapter's RX and device's RX to usb2uart adapter's TX .
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*Parity      :None
 
*Parity      :None
 
*FlowControl:None or XON/XOFF
 
*FlowControl:None or XON/XOFF
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= Debug on windows =
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Install usb2uart adapter's driver. Connect adapter to PC , you will find COM port like :
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[[File:RK3288 Debian Debug Port Number.png|800x572px|RK3288 Debian Debug Port Number.png]]
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Putty is very populate tool. [https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Download putty here.]
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Run PUTTY.exe, select Connection type of "Serial" , input COM port found in Device Manager.
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Set Parameter like :
  
 
[[File:RK3288 Debian Debug Port Config.png|RTENOTITLE]]
 
[[File:RK3288 Debian Debug Port Config.png|RTENOTITLE]]
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Then Click "Open" to start debug console.

Revision as of 09:20, 25 March 2019

USB2UART Bridge

There are plenty types of usb to uart bridge in the market . Most of them use the following chip :



Hardware PIN define

RSB4680 debug port pin define : 

PIN PIN Name
1 NC
2 TX
3 RX
4 GND

RSB4680 Debug port.jpg

Note : 

Please connect device's TX to usb2uart adapter's RX and device's RX to usb2uart adapter's TX .




UART parameter

  • BaudRate:115200
  • DataBits  :8
  • StopBits  :1
  • Parity      :None
  • FlowControl:None or XON/XOFF


Debug on windows

Install usb2uart adapter's driver. Connect adapter to PC , you will find COM port like :

RK3288 Debian Debug Port Number.png

Putty is very populate tool. Download putty here.

Run PUTTY.exe, select Connection type of "Serial" , input COM port found in Device Manager.

Set Parameter like :

RTENOTITLE

Then Click "Open" to start debug console.