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Commit Graph

5 Commits

Author SHA1 Message Date
Stacey Sheldon
215ff56fe8 usbcdc: fix handling of CDC SET_LINE_CODING request
The SET_LINE_CODING request contains data and must be
handled as such.

Previously, the only requests that had data were IN
requests.  SET_LINE_CODING is an OUT request so it
required additional changes to support a new type of
data request.
2012-09-24 00:56:25 -04:00
Stacey Sheldon
c056ac5261 usbcdc: don't assert on calls when CDC is not initialized
The CDC interface is always advertised in the FW USB
descriptors.  It is NOT always enabled/initialized at
runtime.  Specifically, it can be Disabled in HwSettings.

Previously, any CDC-related query that the host would send
resulted in an assert and a watchdog.

Now, a suitable return code indicating that the request is
unsupported is returned in this scenario.
2012-09-24 00:53:12 -04:00
Stacey Sheldon
e2939dae2a revo usb: Add support for USB to Revo 2012-02-07 02:25:31 -05:00
Stacey Sheldon
a51bf72bc7 usb: allow runtime selection of USB descriptors via hwsettings 2012-01-14 14:28:15 -05:00
Stacey Sheldon
b94f4b49a4 usb: major refactoring of USB descriptors, CDC and HID
Summary of changes:
 * USB CDC and HID drivers are completely split apart.
   * This will allow different max buffer sizes for HID and CDC.
 * USB descriptors have been overhauled:
   * Proper structs/macros/enums declared for USB (see pios_usb_defs.h)
   * Two common descriptor definitions.  One for HID+CDC another for HID only.
     See pios_usb_desc_{hid_cdc,hid_only}.c for details.
   * Long standing bugs in OP USB descriptors became much more obvious with the
     new struct definitions.
   * Board specific USB initialization is now in pios_usb_board_data.h in each build target.
   * Definition of USB descriptors is now entirely indpendent of STM32 libs.
     Glue into STM32 libs is provided by pios_usbhook.c.
 * Removed a lot of stale/irrelevant USB #defines throughout the tree.
 * Improved naming consistency throughout USB code:
   * PIOS_USB_HID_* now refers to the HID endpoint code.
   * PIOS_USB_CDC_* now refers to the CDC endpoint code.
   * PIOS_USB_* now refers to the low-level USB code.
   * PIOS_USB_BOARD_* now refers to board-specific USB data
   * PIOS_USBHOOK_* is glue between PIOS and STM32 USB libs.
   * struct usb_* and enum usb_* and USB_* and HID_* are all types from the USB spec.
 * Shrunk the buffer size on the CDC call mgmt endpoint to save some RAM.
 * Made a few more USB related variables static to save some RAM.
2012-01-02 14:27:06 -05:00