From owner-freebsd-usb@FreeBSD.ORG Thu Aug 2 18:42:40 2007 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 41D9B16A468 for ; Thu, 2 Aug 2007 18:42:40 +0000 (UTC) (envelope-from hselasky@c2i.net) Received: from swip.net (mailfe03.swip.net [212.247.154.65]) by mx1.freebsd.org (Postfix) with ESMTP id A1EF413C442 for ; Thu, 2 Aug 2007 18:42:39 +0000 (UTC) (envelope-from hselasky@c2i.net) X-Cloudmark-Score: 0.000000 [] Received: from [212.17.141.54] (account mc467741@c2i.net HELO [10.150.158.249]) by mailfe03.swip.net (CommuniGate Pro SMTP 5.1.10) with ESMTPA id 571303586; Thu, 02 Aug 2007 20:42:32 +0200 From: Hans Petter Selasky To: "Kirk Davis" Date: Thu, 2 Aug 2007 20:42:06 +0200 User-Agent: KMail/1.9.7 References: <200707280838.57586.hselasky@c2i.net> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200708022042.06643.hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: Changing the poer on a USB device X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Aug 2007 18:42:40 -0000 Hi Kirk, I've been very busy this week. Try searching the sources. Maybe you have to set a different USB configuration on the device. --HPS On Monday 30 July 2007, Kirk Davis wrote: > Hi Hans, > > > -----Original Message----- > > From: Hans Petter Selasky [mailto:hselasky@c2i.net] > > Hi Kirk! > > > > There is a function that is called "usbd_do_request()" in the kernel > > that will do this. > > >Here is an example from my new USB stack: > > > >static u_int8_t > >umass_bbb_get_max_lun(struct umass_softc *sc) { > > usb_device_request_t req; > > usbd_status err; > > u_int8_t buf = 0; > > > > /* The Get Max Lun command is a class-specific request. */ > > req.bmRequestType = UT_READ_CLASS_INTERFACE; > > req.bRequest = UR_BBB_GET_MAX_LUN; > > USETW(req.wValue, 0); > > req.wIndex[0] = sc->sc_iface_no; > > req.wIndex[1] = 0; > > USETW(req.wLength, 1); > > > > err = usbd_do_request(sc->sc_udev, &req, &buf); > > if (err) { > > buf = 0; > > > > /* Device doesn't support Get Max Lun request. */ > > printf("%s: Get Max Lun not supported (%s)\n", > > sc->sc_name, usbd_errstr(err)); > > } > > return buf; > >} > > OK. Thanks Hans > > Is there a kernel equivelent for usb_reset(handle) ? It looks like > after I talk to the Blackberry device to set the power levels and mode I > need to reset the usb device to it will then tell the bus the correct > current level. > > >--HPS > > > >On Friday 27 July 2007, Kirk Davis wrote: > >> Hi, > >> I am trying to write a device driver for FreeBSD that will > > detect and > > >> change a newer blackberry. I have the driver detecting and enabling > >> the port when I insert the blackberry but it only configs the USB > > port > > >> for 100mA rate. The blackberry needs 500mA and it displays some > >> information on the blackberry screen that they current is to low. > >> > >> Looking at some other code that was written for libusb it looks > > like > > >> that is what is needed to turn on the charging: > >> > >> void charge(struct usb_dev_handle *handle) { > >> // the special sauce... these steps seem to do the trick > >> // for the 7750 series... needs testing on others > >> char buffer[2]; > >> usb_control_msg(handle, 0xc0, 0xa5, 0, 1, buffer, 2, 100); > >> usb_control_msg(handle, 0x40, 0xa2, 0, 1, buffer, 0, 100); } > >> > >> > >> I'm a weak C programmer and this is my first attempt at a > > driver. > > >> Can anyone give my some advise on how I would do something like this > >> in a driver? I'm not sure of the kernel equivalent to > >> usb_control_msg. > >> > >> Thanks, Kirk > >> > >> > >> > >> Kirk Davis > >> Sr. Network Analyst, ITS > >> Edmonton Public Schools > > ---- Kirk