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* usb: Clean up some globals with new struct usblib_dev.Marti Bolivar2011-10-184-79/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Remove usb_config.h.Marti Bolivar2011-10-183-17/+28
| | | | | | Move its defines into usb_cdcacm.c and usb.[hc] as appropriate. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Disentangle CDC ACM functionality.Marti Bolivar2011-10-1812-882/+880
| | | | | | | | | | | | | | | | | | | | | Add new usb_cdcacm.h, which provides the virtual serial port API. This file (and new usb_cdcacm.c) consolidate the VCOM support, which was previously distributed through descriptors.[hc], usb.[hc], usb_callbacks.[hc], and usb_config.h. Add usb_init_usblib() to usb.h, as a way of initializing the USB peripheral in terms of the data structures required by usb_lib. This is used by the new usb_cdcacm_enable(). Create new usb_lib_globals.h, with declarations for the usb_lib global state which is most used throughout the rest of the libmaple USB stack. Remove descriptors.c and usb_callbacks.[hc]; they are no longer necessary. Update the USB README accordingly. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb.c: Use usb_reg_map.h; replace most of CTR_LP().Marti Bolivar2011-10-181-90/+244
| | | | | | This cuts down on some of the uglier dependencies. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Remove usbPowerOff(), move usbPowerOn() to usb_callbacks.c.Marti Bolivar2011-10-183-31/+15
| | | | | | | | | | | Remove usbPowerOn(), usbPowerOff() prototypes from usb.h. These aren't used outside of the USB subsystem, so they don't belong here. Move usbPowerOn() from usb.c to usb_callbacks.c. This is the only place where it's used. Remove the unused usbPowerOff() (from usb.c) altogether. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Prepare for moving some files to usb_reg_map.h.Marti Bolivar2011-10-184-21/+39
| | | | | | | | | | | | | usb_config.h: Remove usb_regs.h dependency; fix includes; add license. usb_callbacks.h: Change includes to the pieces of usb_lib/ it uses, which doesn't include usb_regs.h. descriptors.h: Remove unused usb_lib.h include. usb.h: Remove unused usb_lib.h include. Some cosmetic commenting. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Add usb_reg_map.h and usb_reg_map.c.Marti Bolivar2011-10-182-0/+512
| | | | | | | | | | | usb_reg_map.h contains the usual register map and register bit definitions that libmaple convention requires. It also contains a variety of structs and convenience functions for accessing and manipulating endpoint registers, BTABLE entries, and PMA buffers. We'll be moving towards usb_reg_map.h instead of usb_lib/usb_regs.h. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Update README file.Marti Bolivar2011-10-181-20/+1
| | | | | | Various parts of it are no longer true, and some TODOs are now done. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Remove usb_hardware.c and usb_hardware.h.Marti Bolivar2011-10-184-220/+6
| | | | | | | These files contain a lot of duplicated and unused code. Move the relevant pieces that need to survive into usb.c and usb_callbacks.c. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Replace duplicated code with nvic.h API.Marti Bolivar2011-10-185-58/+19
| | | | | | | | | Replace calls to usbEnbISR()/usbDsbISR() with nvic_irq_enable()/nvic_irq_disable(). Remove ST-style code. Use nvic_sys_reset() instead of systemHardReset(). Rename some conflicting #defines that including nvic.h created. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Cleanups and renames.Marti Bolivar2011-10-182-21/+4
| | | | | | | | | Rename setupUSB() and disableUSB() to usb_cdcacm_enable() and usb_cdcacm_disable(), respectively. Remove usbSendHello(). This shouldn't exist. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Move some board-specific configuration to Wirish.Marti Bolivar2011-10-183-39/+18
| | | | | | | | | Create new BOARD_USB_DISC_DEV and BOARD_USB_DISC_BIT board-specific values. Use these as arguments to setupUSB() and disableUSB(). This helps make the USB stack more generic, and goes towards the resolution of an important FIXME. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Add support for the Olimex STM32 H103 board.David Kiliani2011-09-271-0/+6
| | | | | | | | Pin layout and header files for the STM32 H103 prototype board from Olimex featuring an STM32F103RBT6 chip. This commit contains all necessary changes to compile with BOARD=olimex_stm32_h103. Signed-off-by: David Kiliani <mail@davidkiliani.de>
* Missed one hard-coded structure size.RJ Ryan2011-09-181-1/+1
| | | | Signed-off-by: RJ Ryan <rryan@mit.edu>
* Fix memory alignment of USB descriptor structures.RJ Ryan2011-09-182-155/+88
| | | | | | | | | | | | | | | A variety of USB descriptor structures have been manually "unpacked". Instead of using the struct, their members were unpacked into the struct they were nested in. Additionally sizeof()'s were commented in favor of manual calculation of structure sizes. After uncommenting these changes, the USB CDC peripheral stopped correctly configuring with the host. The root problem with the structures is that GCC is padding them. By applying __attribute__((__packed__)), these problems are fixed. I removed all the instances of the workaround I saw within the USB code. Signed-off-by: RJ Ryan <rryan@mit.edu>
* fixed a bug in usbreceivebytesAndrew J Meyer2011-07-011-1/+5
| | | | bug prevented consecutive SerialUSB.read() calls from returning consecutive bytes
* libmaple: Fix warnings in libmaple source filesPerry Hung2011-05-123-8/+6
| | | | | -Add -Wall, -Werror to libmaple/* -Fix warnings
* Converting all files to UNIX newlines.Marti Bolivar2011-05-1013-3308/+3308
| | | | | | | Committing the results of running the following on the libmaple root directory: $ fromdos `grep --exclude-dir='[.]git' -Ilsr $'\r$' .`
* SerialUSB fixups.Marti Bolivar2011-05-044-11/+9
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* Resolving some FIXMEs.Marti Bolivar2011-04-112-23/+3
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* Fixing typo in libmaple/usb/descriptors.h; thanks, StephenFromNYC!Marti Bolivar2011-03-171-1/+1
| | | | http://forums.leaflabs.com/topic.php?id=687
* Maple RET6 edition supportMarti Bolivar2011-03-161-5/+5
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* [WIP] GPIO refactor: seems ok, ready for reviewMarti Bolivar2011-03-115-80/+39
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* Refactor linker scripts. Rename irq and exception handlers.Perry Hung2011-02-272-2/+2
| | | | | Add common linker scripts for ram and rom. Add medium and high density libraries for libcs3.
* Cleaned out libmaple.h; this had wide-ranging implications.Marti Bolivar2011-02-272-40/+109
| | | | | | | | | | | | | | | | | | | Many of the #defines in libmaple.h were board-specific, not MCU-specific. Most of these were only used by code under libmaple/usb/. These were moved into usb_config.h, and are clearly marked as being terrible hacks. I'm going to treat the USB stack as a black box that we'll deal with later. Further, instead of having a variety of #defines like "How many USARTS do I have?", we decide that based on the density of the chip. This is determined by testing for STM32_MEDIUM_DENSITY or STM32_HIGH_DENSITY defines. libmaple currently doesn't support low-density chips, so that suffices. The Makefile will set these automatically based on the MCU. Other offending #defines are ERROR_LED_PORT and ERROR_LED_PIN; these were made optional, but they're set in the Makefile as a hack to keep things working.
* Merge branch 'debug-serialusb'Marti Bolivar2011-02-127-179/+180
|\ | | | | | | | | | | Conflicts: libmaple/usb/usb.c notes/coding_standard.txt
| * readme and coding standard updatesMarti Bolivar2010-12-211-38/+46
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| * Merge branch 'master' into debug-serialusb.Marti Bolivar2010-12-211-196/+194
| |\ | | | | | | | | | | | | | | | | | | Chose debug-serialusb version in cases of conflict. Conflicts: libmaple/usb/usb_callbacks.c
| * | added a usbBlockingSendByte(char ch)AJM2010-12-142-5/+11
| | | | | | | | | | | | this new function will only return AFTER the usb interrupt has been serviced and the byte is sent. Bytes should NOT fall on the floor ever with this function. (but they still do? pyserials problem?)
| * | changed the serialusb to be simplest possible designAJM2010-12-143-51/+20
| | | | | | | | | | | | no longer use a ring buffer. No longer double buffer a local rx buffer and the packet memory. Instead, we read out of packet memory and block it for all reads. This is going to be slower. but it tests OK (unlike the old one...).
| * | enlarged rx buffer and nak when less than 64 bytes is left in packet bufAJM2010-12-135-20/+22
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| * | candidate bugfix for serialusb receive bugAJM2010-12-134-26/+43
| | | | | | | | | | | | changed USB driver to nak whenever it cant fill an entire endpoint (64B) worth of new data. The old scheme was to set receive valid as long as as the endpoint buffer wasnt full, the new scheme is to nak until it is completely empty.
* | | Fixing usb.c countTx race; thanks, geoffreymbrown!Marti Bolivar2011-02-091-1/+1
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* | Finished converting the Arduino docsMarti Bolivar2010-11-291-234/+234
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* more sphinx docsMarti Bolivar2010-10-114-174/+198
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* docsMarti Bolivar2010-10-111-74/+83
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* whitespace cleanupsMarti Bolivar2010-09-271-46/+70
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* Portability fixesbnewbold2010-08-311-3/+0
| | | | Still not working but fixed a lot of merge errors
* Merge maple-native changes into portablebnewbold2010-08-313-8/+1
|\ | | | | | | This compiles for both maple and maple_native but is untested.
| * inital portability workbnewbold2010-08-253-8/+1
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* | Some refactoringbnewbold2010-08-052-3/+4
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* added isConnected() to serialusbbnewbold2010-07-222-0/+10
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* working serialUSB with timeoutbnewbold2010-07-192-0/+7
| | | | | | | | | | | as a temporary workaround for the fact that SerialUSB is often blocking, this crude implementation makes the low-level C usbSendBytes function non-blocking (with a return code of bytes sent) and implements a 2ms timeout in the wirish write() function. also adds begin(), end(), getDTR(), getRTS(), pending(). device is still initialized the old fashioned way during init() so that, eg, autoreset will work. includes a simple multi-test program.
* new usb_serialbnewbold2010-07-192-50/+56
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* added getDTR and getRTS to usb.h, subtly modded how sendBytes checks for ↵AJM2010-06-112-6/+26
| | | | | | connection flip flopped back and forth on how much work should be done here. For now its like 5 lines of changes
* cosmetic change on usbsendbytesAJM2010-06-101-1/+1
| | | | minor
* new reset scheme now worksAJM2010-06-091-1/+1
| | | | fixed some blocking issue on serial tx, improperly checking for connection.
* added a somewhat broken version of the reset magic number scheme.AJM2010-06-094-76/+89
| | | | current version gets stuck in the isr somewhere. not sure why or where. must debug.
* first approach at modding the reset schemeAJM2010-06-093-31/+47
| | | | now we reset from recv bytes. After receiving the DTR/RTS toggle the next byte in from usb is parsed as the program_delay. For now, this just delays the reset for a period to close the serial port gracefully. Later, this delay will perhaps inform the bootloader of how long to live for...
* removed the callback for send functional descriptor.AJM2010-06-093-5/+0
| | | | It wasnt used, and was causing a compiler warning to get thrown. It isnt needed, not sure why I added it in the first place
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