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No problem to bypass the problem by accessing the registers directly (by using Tinyport in NT). But I thought this ordernary task was possible using API function calls.<br />

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No problem to bypass the problem by accessing the registers directly (by using Tinyport in NT). But I thought this ordernary task was possible using API function calls.


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I am trying to set the parity bit to define if it is a data or control byte to rx or tx. What goes wrong is that the buffering makes it impossible. When I change parity it will not affect the bytes because they are in a buffer. How can I do unbuffred serial communication in VC++ 5.0 ?
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I am trying to set the parity bit to define if it is a data or control byte to rx or tx. What goes wrong is that the buffering makes it impossible. When I change parity it will not affect the bytes because they are in a buffer. How can I do unbuffred serial communication in VC++ 5.0 ?

Unbuffred serial Communication with Win32

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