site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com You can find the header at <IOKit/serial/ioss.h> Godfrey On 2009-11-10, at 9:31 AM, Steve Checkoway wrote: -- Steve Checkoway _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/gvdl%40mac.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... You may, if you are very, very lucky and the low level driver has implemented it, use the IOSSIOSPEED ioctl the argument is a uint32_t * to the desired baudrate. I have a microcontroller that seems perfectly willing to speak serial at 1Mb/s (which is a handy division of the clock rate). On my Mac, I cannot seem to get tcsetattr() to accept that nonstandard speed. Is there any way to achieve that? This email sent to gvdl@mac.com This email sent to site_archiver@lists.apple.com