serial com port transmission
C / C++ / MFC
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I developped a program to communicate on serial port com. It works fine on xp/W2000. Then I wanted to include this into a bigger project, so I decided to change it into a dll. It works fine on W2000, but the same application using the same dll sometimes doesn't work on WXP. When I say it doesn't work I mean that the thing that reiceives the data transferred on the serial link acts as if the flow (115200 bauds) was interrupted sometimes. The priority level of the emission thread is equal to the reception one: THREAD_PRIORITY_HIGHEST. So it should not be interrupted I think. Unless the fact that it is a dll's thread changes the situation? Does anybody have an idea? Thanks