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tutorials:common:how_to_use_the_uart

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tutorials:common:how_to_use_the_uart [2014/03/27 09:42]
allen
tutorials:common:how_to_use_the_uart [2014/06/09 19:52] (current)
allen
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 ===== Abstract ===== ===== Abstract =====
-Here is the guide to teach that open the uart port on cubiboard and how to test the uart port is available +Here is the guide to teach that how to enable ​the uart port on cubiboard and how to test the uart port is available . 
- + 
-In this guide using the cubietruck as an example ​+
  
  
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 </​code> ​ </​code> ​
 +The uart0 3 4 5 6 are available in  Cubieboard1 and Cubieboard2 ,while uart0 3 4 7 are available in Cubietruck, but uart0 is debug serial.
  
-To make sure the PG06 and PG07 internal loopback,​use Dupont Line connect them .+To test uart3(or uart4) should ​make sure the PG06 and PG07 (or PG10 and PG11)internal loopback,​use Dupont Line connect them .
  
-If you only open the uart0 4,  ​uart3 is mapping the device ttyS1.+If you only open the uart0 4,  ​uart4 is mapping the device ttyS1.
  
-While open the uart0 3 4,  uart3 is mapping the device ttyS2.+While open the uart0 3 4, uart3 is mapping the device ttyS1. uart4 is mapping the device ttyS2.
  
 <​code>​ <​code>​
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 The termial will prinf as below,it prove the uart3 is working . The termial will prinf as below,it prove the uart3 is working .
-{{:​tutorials:​common:​选区_052.png?600|}}+{{:​tutorials:​common:​选区_061.png?600|}}
  
 === See Also === === See Also ===
tutorials/common/how_to_use_the_uart.1395884565.txt.gz · Last modified: 2014/03/27 09:42 by allen