Unnamed repository; edit this file 'description' to name the repository. http://cgit.235523.xyz/rt-thread.git/atom/components/drivers/src/portal.c?h=v1.2.2 2013-08-22T08:43:06Z 2013-08-22T08:43:06Z Grissiom chaos.proton@gmail.com 2013-08-22T08:43:06Z urn:sha1:246bdde8de4167065b4a52530a9c7be85c189dd8 When forwarding rx/tx callback from the underlaying device(pipe), the "dev" argument should be the portal. So the portal callback could think itself as called. 2013-08-22T07:12:00Z Grissiom chaos.proton@gmail.com 2013-08-22T07:12:00Z urn:sha1:824261d3bc8467f6220061f43d22321f1ce50bc3 It does not make sense to open portal without a flag. One should open a portal with RT_DEVICE_OFLAG_RDWR in most cases. 2013-08-20T04:54:43Z Grissiom chaos.proton@gmail.com 2013-08-20T02:48:15Z urn:sha1:6e676e7754e9042c333ff7f3826766c6462f92be Portal is a device that connect devices. Currently, you can only connect pipes in portal. Pipes are unidirectional. But with portal, you can construct a bidirectional device with two pipes.