Hello Johann, 2017-02-16 16:55 GMT+01:00 Johann Fischer <johann_fischer@xxxxxxxxx>: > Hi Xue, > >> Now I am working on a driver for MCR20A radio chip from NXP. This chip >> has a special feature: support two PAN networks. It means it can >> operate on two different or the same channels with different PAN IDs, >> short addresses and extended addresses. I suppose to add two 802.15.4 >> interfaces for this feature. And I have two questions: >> >> 1. how to add 802.15.4 devices ? Call ieee802154_register_hw() twice >> with different struct ieee802154_hw ? >> >> 2. how to deal with tx and rx regarding two interfaces. >> >> Thanks. >> > > Dual PAN is something like nice to have. > I suggest initialy to implement only PAN ID 0 support. It is easier and you > would have fewer problems with the sequence manager. If the driver is stable > and tested, then you can expand it and add support for dual PAN. > I forgot to post my current work on Github. https://github.com/xueliu/mcr20a-linux Now it is somehow working for only one PAN. Now I am cleaning it and testing other functions. >> It is appropriate for any driver design suggestions about this chip. > > Since there are some incompletenesses in the reference manual, a good help > could be [1], also there is kw2xrf driver in RIOT-OS [2] and mcr20a driver > in zephyr-project (drivers/ieee802154/ieee802154_mcr20a*) [3]. > OK. Thanks. > [1] https://developer.mbed.org/teams/NXP/code/fsl_phy_mcr20a/ > [2] https://github.com/RIOT-OS/RIOT/tree/master/drivers/kw2xrf > [3] https://gerrit.zephyrproject.org/r/gitweb?p=zephyr.git;a=tree;hb=HEAD -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
