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* I2C: Restore on F1, refactoring prep for F2.Marti Bolivar2012-06-221-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Bring back <libmaple/i2c.h> support on STM32F1 with a view towards how it'll be implemented on STM32F2. There are still many F1-isms in libmaple/i2c.c and <libmaple/i2c.h>, to be dealt with subsequently. Move device declarations and base pointer definitions to a new F1 <series/i2c.h>. The register maps and bit definitions themselves are identical on both series, so leave them in the libmaple header. Add i2c_private.h, which contains: - I2C_DEV(), a convenience macro for defining an i2c_dev, and - declarations for the event and error IRQ handlers. The IRQ handlers are large, and I2C is slow anyway, so I see no reason to make them inline in the private header (as we do for some other peripherals). We just expose the existing ones that were formerly static in libmaple/i2c.c, but prefix the names with underscore. Move the device declarations and IRQ handlers into new stm32f1/i2c.c. These use the i2c_private.h API. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Implement DMA tube API on STM32F2.Marti Bolivar2012-06-151-2/+0
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Build libmaple/dma.c on STM32F1.Marti Bolivar2012-06-121-1/+3
| | | | | | F2 doesn't work yet. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back <libmaple/spi.h>.Marti Bolivar2012-06-071-1/+1
| | | | | | | | | | | Add a spi_private.h with a SPI_DEV(), for convenience. Use it in the F1 and F2 implementations. We could probably unify these with an STM32_HAVE_SPI(n) macro, but we'll leave that for the future. Most everything from F1 is portable; F2 has some additional bit definitions and a spi_get_af() routine, but that's about it. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Move syscalls.c into Wirish.Marti Bolivar2012-06-071-1/+0
| | | | | | libmaple takes orders, it doesn't give them. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back libmaple/dac.h.Marti Bolivar2012-06-041-1/+1
| | | | | | | Minor variations on F2: DMA underrun interrupts, and a status register to hold the notification bits. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back EXTI on F1, with deprecations for gpio.h on F1.Marti Bolivar2012-06-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tested on Maple Mini with examples/mini-exti-test. Changes to Wirish are minor: use the new EXTI types exti_num and exti_cfg (see below) in place of now-deprecated variants in ext_interrupts.cpp. The way I originally did libmaple/exti.h was stupid, and fixing it turned out to be a little disruptive. libmaple/exti.h depends on libmaple/gpio.h (for AFIO), but that's a classic case of exposed implementation detail. So invert the dependency: make gpio.h depend on exti.h. Do this by adding exti_num and exti_cfg to exti.h; these respectively replace afio_exti_num and afio_exti_port. The afio_* variants are now deprecated. (Throw in a typedef and some macros at the bottom of the F1 series/gpio.h for backwards compatibility). Make exti_attach_interrupt() and exti_detach_interrupt() take exti_num/exti_cfg arguments instead of the afio_* variants. Make the EXTI dispatch routines __always_inline to defeat GCC -Os. Many renames throughout libmaple/stm32f1/ to stop using the deprecated names. Also move the previously F1-only gpio_exti_port() function into the public libmaple header. Reimplementing it in terms of rcc_clk_ids lets us deprecate the gpio_dev->exti_port field, which will save space in the future. While we're there, I notice that struct gpio_dev is defined once per series. That's dumb, as it misses the entire point of having device structs: they contain what's portable. So put the F1 version (which has the extra EXTI port field) into libmaple/gpio.h, and add the necessary exti_ports to libmaple/stm32f2/gpio.c. Sigh. We'll get rid of it eventually, at least. Clean up some other mistakes in gpio.h files as well (mostly removing util.h dependency). Sorry for the messy commit. For portability, add a new series-specific exti function, exti_select(). The F1 version in (new) libmaple/stm32f1/exti.c uses AFIO and some new private functionality in libmaple/exti.c and (new) libmaple/exti_private.h to make this convenient. We'll be able to do the SYSCFG equivalent on F2 without any trouble. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Don't try to build some libmaple files.Marti Bolivar2012-05-311-2/+2
| | | | | | We can't do these on F2 right now. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Fix wrong comment in libmaple/rules.mk.Marti Bolivar2012-05-031-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* stm32f1: Resurrect DMA support. (sets up breaking change)Marti Bolivar2012-05-031-1/+1
| | | | | | | | | | | | | | | | | Breaking change set up: struct dma_handler_config is no longer part of the public API in <libmaple/dma.h>. User code which was touching these was always mistaken; it should be using dma_attach_interrupt() or dma_detach_interrupt() instead. Other than that, just move the nonportable bits in <libmaple/dma.h> and libmaple/dma.c to the appropriate places under libmaple/stm32f1/. (Ouch. This is almost everything.) Patch the (new) STM32F1 <series/dma.h> here and there to make everything compile; this is mostly limited to forward-declaring struct dma_dev and providing a hack _dma_dev_regs() declaration so inline functions in the series header can still access a device's registers. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/spi: Fixups, move nonportable bits into libmaple/stm32f1.Marti Bolivar2012-04-111-1/+1
| | | | | | | | | | | Standard family support refactoring: add STM32F1 series spi.h, spi.c, and move anything that won't port to STM32F2 there. As part of a general effort to be cleaner, remove the dependency on libmaple/util.h from libmaple/spi.h by not using BIT(). Also forward declare struct gpio_dev for spi_gpio_cfg() to remove that include. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* timer: Fixes, rip out nonportable bits.Marti Bolivar2012-04-111-1/+1
| | | | | | | | | | | | | | Fix copy-paste errors in, and add missing, register bit definitions. For copy-paste errors that would result in source incompatibilities with past releases, add some legacy defines. Add series header and C file for STM32F1 which fills in the missing API. Much of the F1 timer.c would be repeated on F2, so also add timer_private.h to hold these. Support for timers 9 through 14 is still missing. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Resurrect ADC support.Marti Bolivar2012-04-111-2/+2
| | | | | | | | | | | | | Standard refactoring: add series headers for F1 and F2, along with series adc.c files. There are some issues relating to adc_extsel_event to hammer out later, but this will do for now. We also add some new portability interfaces to libmaple/adc.h in order for Wirish to use the same code to initialize the ADCs at init() time. As usual, F1 is untested. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/rules.mk: Cosmetics.Marti Bolivar2012-04-111-0/+8
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Resurrect IWDG support.Marti Bolivar2012-04-111-0/+1
| | | | | | This peripheral is identical on F1 and F2. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Resurrect PWR support for F1 and F2.Marti Bolivar2012-04-111-0/+1
| | | | | | Just add the missing register bit definitions in new series headers. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Clean up rules.mk files.Marti Bolivar2012-04-111-1/+1
| | | | | | Alphabetize targets and remove continuation lines. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* [FIXME] Resurrected, shinier USART support.Marti Bolivar2012-04-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FIXME: - Test F1 support - Solve problem of duplicated bytes being TXed unless delay is inserted after configuration but before first bytes are TXed. Rip out nonportable bits from top-level interfaces. The USART register maps are basically the same between F1 and F2, so leave these, but add register bit definitions which had name changes to the libmaple header to avoid needless repetition. There are also a few new bits in the F2 USART registers; add definitions for these in the F2 USART header. Add Doxygen comments for all USART bit definitions. Deprecate struct usart_dev's max_baud field. This is just bloat that doesn't bring us much real benefit. Add new series-specific USART files for F1 and F2: - libmaple/stm32f[1,2]/usart.c - libmaple/stm32f[1,2]/include/series/usart.h These are standard series-specific files, providing register map base pointers, defining devices, implementing nonportable routines, etc. We need a portable way to configure the USART GPIOs. To this end, add usart_async_gpio_cfg() to the top-level USART interface. This function is implemented in new F1 and F2 USART backends to take the appropriate action to configure the RX and TX pins for asynchronous full duplex mode. USART baud rate calculation is done differently on the different series. Keep the usart_set_baud_rate() declaration in the top-level USART header, but move the implementations into the series-specific usart.c files. In usart_set_baud_rate(), allow for deriving clock_speed automatically by letting user tell us to figure out the peripheral clock speed by mapping the device's rcc_clk_id onto an STM32_PCLK[1,2] value. This preserves flexibility for users with non-default clock configurations, but makes things easier on everyone else. Add private USART files for portable private USART routines: - libmaple/usart_private.h - libmaple/usart_private.c Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Style change to libmaple/rules.mk.Marti Bolivar2012-04-111-7/+7
| | | | | | New style makes for cleaner diffs. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* [UNDO] Rip out a bunch of F1-only bits from libmaple properMarti Bolivar2012-04-111-12/+1
| | | | | | | We'll need to bring this functionality back online piecemeal as we add F2 support. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Make BKP support STM32F1-only.Marti Bolivar2012-04-111-1/+0
| | | | | | | | | - libmaple/bkp.h: Mark availability restriction. - Move libmaple/bkp.c to libmaple/stm32f1; adjust rules.mk files accordingly. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Great renaming: use "series" instead of "family".Marti Bolivar2012-04-111-1/+1
| | | | | | | | | | | | | | | | | This is for greater consistency with the ST application notes, which refer to migrating "across" series (e.g. F1 to F2), but compatibility "within" a family (e.g. F1). So: - Move libmaple/stm32x/include/family to .../include/series/ and fix up includes appropriately. - Refer to "family" headers as "series" headers in comments. - Make similar "find and replace"-style changes to build system variable names and comments. - Move support/ld/stm32/family to .../stm32/series. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* RCC: Break out some portable functionality from stm32f1/.Marti Bolivar2012-04-111-0/+1
| | | | | | | | | | | | | Portions of rcc_clk_enable(), rcc_reset_dev(), and rcc_set_prescaler() are portable; break these into static inline helpers in rcc_private.h. These guts of these are portable, but the arrays of registers etc. are not. Also add an extern declaration for rcc_dev_table into rcc_private.h. This lets us put rcc_dev_clk() into a newly resurrected libmaple/rcc.c, since that's portable. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple: Add build infrastructure for private headers.Marti Bolivar2012-04-111-1/+2
| | | | | | | | | | | libmaple/rules.mk: Add LIBMAPLE_PRIVATE_INCLUDES, a place for storing headers which should be commonly available throughout libmaple, but not made public. Currently, this is just the libmaple directory. Add LIBMAPLE_PRIVATE_INCLUDES to the target flags in the STM32F1 and USB submodules. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Move RCC support for STM32F1 to libmaple/stm32f1/.Marti Bolivar2012-04-111-2/+1
| | | | | | | | | | | | This is a backwards-compatible change. Modify libmaple/rules.mk to include the family's include directory. This allows libmaple/include/libmaple/rcc.h to include the STM32F1 RCC header with #include <family/rcc.h>. We'll use this convention henceforth to distinguish between top-level and family-specific headers. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/rules.mk: Reinstate -Werror.Marti Bolivar2012-04-111-1/+1
| | | | | | This is OK across all boards now that USB is its own submodule. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Make USB its own submodule.Marti Bolivar2012-04-111-13/+1
| | | | | | | | | | | | | | | Add libmaple/usb/rules.mk, which compiles the USB FS device firmware submodule. Move the logic for compiling the USB stack from libmaple/rules.mk into libmaple/usb/rules.mk. Move libmaple/usb/usb_cdacm.h to libmaple/include/libmaple/. Its API is sufficiently general that we'll be able to port it over to USB OTG (either FS or HS) eventually, and that lets us include it from Wirish using the new style for libmaple headers. Fix the includes for public libmaple headers within libmaple/usb. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Move public headers to include directories; related cleanups.Marti Bolivar2012-04-111-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move libmaple/*.h to (new) libmaple/include/libmaple/. The new accepted way to include a libmaple header foo.h is with: #include <libmaple/foo.h> This is more polite in terms of the include namespace. It also allows us to e.g. implement the Arduino SPI library at all (which has header SPI.h; providing it was previously impossible on case-insensitive filesystems due to libmaple's spi.h). Similarly for Wirish. The old include style (#include "header.h") is now deprecated. libmaple/*.h: - Change include guard #defines from _FOO_H_ to _LIBMAPLE_FOO_H_. - Add license headers where they're missing - Add conditional extern "C" { ... } blocks where they're missing (they aren't always necessary, but we might was well do it against the future, while we're at it.). - Change includes from #include "foo.h" to #include <libmaple/foo.h>. - Move includes after extern "C". - Remove extra trailing newlines Note that this doesn't include the headers under libmaple/usb/ or libmaple/usb/usb_lib. These will get fixed later. libmaple/*.c: - Change includes from #include "foo.h" to #include <libmaple/foo.h>. Makefile: - Add I$(LIBMAPLE_PATH)/include/libmaple to GLOBAL_FLAGS. This allows for users (including Wirish) to migrate their code, but should go away ASAP, since it slows down compilation. Wirish: - Move wirish/**/*.h to (new) wirish/include/wirish/. This ignores the USB headers, which, as usual, are getting handled after everything else. - Similarly generify wirish/boards/ structure. For each supported board "foo", move wirish/boards/foo.h and wirish/boards/foo.cpp to wirish/boards/foo/include/board/board.h and wirish/boards/foo/board.cpp, respectively. Also remove the #ifdef hacks around the .cpp files. - wirish/rules.mk: put wirish/boards/foo/include in the include path (and add wirish/boards/foo/board.cpp to the list of sources to be compiled). This allows saying: #include <board/board.h> instead of the hack currently in place. We can allow the user to override this setting later to make adding custom board definitions easier. - Disable -Werror in libmaple/rules.mk, as the current USB warnings don't let the olimex_stm32_h103 board compile. We can re-enable -Werror once we've moved the board-specific bits out of libmaple proper. libraries, examples: - Update includes accordingly. - Miscellaneous cosmetic fixups. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Remove usb_int.h, usb_int.h, usb_int.c.Marti Bolivar2011-10-181-1/+0
| | | | | | No longer used. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* usb: Disentangle CDC ACM functionality.Marti Bolivar2011-10-181-2/+1
| | | | | | | | | | | | | | | | | | | | | 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>
* Add usb_reg_map.h and usb_reg_map.c.Marti Bolivar2011-10-181-0/+1
| | | | | | | | | | | 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>
* Remove usb_hardware.c and usb_hardware.h.Marti Bolivar2011-10-181-1/+0
| | | | | | | 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>
* libmaple: Fix warnings in libmaple source filesPerry Hung2011-05-121-1/+1
| | | | | -Add -Wall, -Werror to libmaple/* -Fix warnings
* NVIC and SCB refactorMarti Bolivar2011-04-051-1/+1
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* Initial timer refactor.Marti Bolivar2011-03-241-1/+1
| | | | | | | | | | | | | | | Basic PWM works. Had some problems in testing that might be due to USART bugs. HardwareTimer has been removed from the build for now; I will re-implement it in terms of the new libmaple API, but consider it deprecated. Let's come up with something better. Servo is implemented in terms of HardwareTimer, so it also has been temporarily removed from the build. pwmWrite() likely got a little bit less inefficient due to indirection, but the PIN_MAPs shrank by a pointer per PinMapping.
* Merge branch 'i2c-wip' into refactorPerry Hung2011-03-211-0/+1
|\ | | | | | | | | | | | | Conflicts: examples/test-fsmc.cpp libmaple/rules.mk wirish/boards.h
| * checkpointPerry Hung2011-02-261-0/+1
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* | Maple RET6 edition supportMarti Bolivar2011-03-161-0/+1
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* nzmichaelh's pull request mods compile and upload.Marti Bolivar2010-12-281-10/+13
| | | | renamed SysTick_Handler back to SysTickHandler since all of our linker magic/lanchon-stm32 depends on that name. added backup register support in order to test independent watchdog support; it seems to work. next major test target is DMA support.
* Enable USB auto-reset in a hard fault.Perry Hung2010-09-171-4/+7
| | | | | | | | Redirect thread-mode execution to a fail routine which throbs the LED to indicate a hard fault. Because the fail routine runs in thread mode with interrupts on, USB auto-reset should now work. Test by executing some bogus instruction (e.g. *(volatile int*)0xf34fdaa = 0;) and check that the auto-reset continues to work.
* basic working dac implementationbnewbold2010-08-071-0/+1
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* partial progress on FSMC for SRAMbnewbold2010-08-051-0/+1
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* make: Modularize makefiles, add dependency tracking, build-type trackingPerry Hung2010-06-251-0/+50
Major build system rewrite. New and exciting: 1. Proper dependency tracking. All source files including header files should be properly tracked and recompiled as necessary when they are changed. 2. Build-type tracking. If the target changes from 'ram' to 'flash,' for example, the build system will force a rebuild rather than incorrectly link modules to a different address. 3. New targets: The old 'ram,' 'flash,' and 'jtag' targets have been replaced with the environment variable MAPLE_TARGET, which controls the link address. Users can either export it to their environment, or pass MAPLE_TARGET on the command-line. Once this is set, sketches can be compiled with 'make sketch,' or simply 'make.' Note: the default is MAPLE_TARGET='flash.' The target 'install' now automagically uploads the sketch to the board using the appropriate method. The 'run' target has been renamed to 'debug.' It starts an openocd gdb server. 4. Odds and ends: -Verbose and 'quiet' modes. Set V=1 for verbose compilation, the default is quiet. -Object file sizes and disassembly information is generated and placed in build/$(BOARD).sizes and build/$(BOARD).disas, respectively. -Parallel make with -j should speed things up if you have multiple cores.
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