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This is to document the minimum requirements to implement CDC ACM serial emulation on Mac OS X 10.4.3: In addition to the obvious the following must be implemented, or the driver will fail to start. 1. Interface bInterfaceProtocol = v25term 2. bcdCDC <= 1.1 3. Call Management bmCapabilities = 0x01 4. Call Management bDataInterface = 0xFF, or bDataInterface = Data Class Interface 5. ACM bmCapabilities = 0x06 These settings are compatible with the Windows usbser.sys driver. Note the Atmel, PIC, and FreeRTOS implementations will need to be tweaked as they were minimally implemented for use with Windows. Joel Winarske _______________________________________________ Do not post admin requests to the list. They will be ignored. Usb mailing list (email@hidden) Help/Unsubscribe/Update your Subscription: This email sent to email@hidden
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