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authorMarti Bolivar <mbolivar@leaflabs.com>2011-08-10 17:13:18 -0400
committerMarti Bolivar <mbolivar@leaflabs.com>2011-10-18 13:30:18 -0400
commitd4e9573d41e6a6601ba3f680487dd548b23bf680 (patch)
tree4902cc1cf8c157cea3b584f2638526687c2c3e4a /libmaple/stm32.h
parent00c5efa7b637ee6ef1878eb870eff140f2af94a8 (diff)
downloadlibrambutan-d4e9573d41e6a6601ba3f680487dd548b23bf680.tar.gz
librambutan-d4e9573d41e6a6601ba3f680487dd548b23bf680.zip
usb: Clean up some globals with new struct usblib_dev.
Add struct usblib_dev (and USBLIB, a pointer to the singleton) to usb.h. USBLIB contains the global state which is used by functionality imported from usb_lib/. Consolidating global state into USBLIB will make it easier to remove later. Initial fields in struct usblib_dev are endpoint interrupt callbacks, a mask for what to handle in the low-priority USB interrupt, and device state. These replace pEpInt_IN, pEpInt_OUT; wInterrupt_Mask; and bDeviceState, respectively from usb_lib/, so remove their declarations from usb_lib_globals.h accordingly. Also remove unused SaveState declaration from usblib_globals.h. Move bDeviceState into 'state' field in usblib_dev. Device state type changes from DEVICE_STATE to usb_dev_state, volatile gets dropped, and enumerators get a 'USB_' prefix, but it's otherwise the same. usb_lib/ expects pInformation to point to Device_Info, pUser_Standard_Requests -> User_Standard_Requests, and pProperty -> Device_Property. Alter usb_init_usblib() to reflect these assumptions. Reorganize usb_lib_globals.h to make these assumptions more apparent to the reader. Modify usb_init_usblib() to take endpoint callbacks as arguments; update its caller in usb_cdcacm.c. usb_lib/ defines pInformation, pProperty, and pUser_Standard_Requests itself (in usb_init.c), but we have our own definitions (in usb.c). Remove the duplicates from usb.c. Also remove EPindex and Device_Info definitions from usb.c. Unused, and anyways already defined in usb_lib/usb_init.c. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'libmaple/stm32.h')
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