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    Hello, i´m working on a K-Line interface using a STM32F105. The middleware lib is successfully installed and the virtual com port is running good with the CDC ACM feature. Now there is a special...
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    I want to create three Virtual COM Ports:COM1,COM2,COM3 on MCBSTM32 board,but the example is only Virtual Uart1,How can i do it?
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    I am working on a virtual COM project using USB CDC class. I have such trouble. After enumeration,PC sends the bulk IN package and the device responds NAKs. When the device wants to transmit data...
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    Hoping to get some expert advice here, Have an embedded USB application running on a Cortex M4. Application uses full-speed USB and is based on a Freescale-provided CDC USB sample project. My bulk...