How to reassign the UART TXD Pin to GPIO then recover TXD function when runtime

[jasonshao]

When boot up, the PAD_UART2_TXD is configured as TXD Pin of UART2. And I use UART2 to communicate with peripheral device. But I need to send one pulse through PAD_UART2_TXD then back to UART function. How should I do?

[igorpadykov]

Hi Jason

seems one can write to iomux registers directly in application,

if this is linux this may be posted on kernel mail list:

Majordomo Lists at VGER.KERNEL.ORG 

Best regards
igor
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