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tutorials:common:how_to_use_the_uart [2014/03/31 10:40] allen |
tutorials:common:how_to_use_the_uart [2014/06/09 19:52] (current) allen |
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+ | 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 test uart3 should 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 3 4, uart3 is mapping the device ttyS1. | + | If you only open the uart0 4, uart4 is mapping the device ttyS1. |
- | While open the uart0 2 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> |