Emanuele Bertoldi eae07f1977 Improved UART communication on POSIX systems:
- Added "dynamic timeout" to "uart_send" function.
- Added "static timeout" to each iteration of the while loop (it seems to solve a lot of sync troubles during read operation). 
(Tested with PN532).
2011-01-18 11:35:23 +00:00
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