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* Remove a completed FIXME comment.Marti Bolivar2012-06-071-3/+0
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F2: Add EXTI support.Marti Bolivar2012-06-031-1/+1
| | | | | | | | Add series headers to keep the base pointers, and (on F2) use SYSCFG to tell exti_do_select() where the EXTI control registers are. No surprises. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F2: Turn on SYSCFG I/O compensation during init().Marti Bolivar2012-06-031-0/+3
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F2: Add SYSCFG support.Marti Bolivar2012-06-033-1/+16
| | | | | | Turn it on at init() time on F2. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back EXTI on F1, with deprecations for gpio.h on F1.Marti Bolivar2012-06-032-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* wirish/ext_interrupts.cpp: Doxygen, copyright.Marti Bolivar2012-06-031-1/+2
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Slightly improve and generify the USB infrastructure.Marti Bolivar2012-06-034-8/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The good news is that <libmaple/usb.h> and <libmaple/usb_cdcacm.h> did turn out generic enough in what they specify to go on unchanged. However, we can't just go on assuming that there's USB just because we're on an F1. Now that there's value line in the tree, we need to be more careful (value line F1s don't have USB peripherals). To that end, make all the F1 board-includes/*.mk files specify what line their MCU is with an MCU_F1_LINE variable. Use that to hack libmaple/usb/rules.mk so we only try to build the USB module under appropriate circumstances. While we're at it, add a vector_symbols.inc for value line MCUs under support/ld/. We need this to get the target-config.mk modifications implied by the addition of MCU_F1_LINE. We'll fix up some other performance-line-isms under libmaple/stm32f1 in a separate commit. Also in libmaple/usb/: - Move everything into a new stm32f1 directory. Due to aforementioned rules.mk hacks, there is no immediate need for an stm32f2 directory (USB support doesn't exist there). - Update the README for style and content. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Add BOARD_HAVE_SERIALUSB.Marti Bolivar2012-06-031-0/+6
| | | | | | Feature-test for SerialUSB support. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* <wirish/boards.h>: Add feature test macros for SPI.Marti Bolivar2012-06-031-2/+20
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Typo fix.Marti Bolivar2012-06-031-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Globally switch style for GPIO config routines.Marti Bolivar2012-06-032-11/+7
| | | | | | | | | | | | | | | | | | | | Stupidly, spi_gpio_cfg() didn't take a spi_dev* argument on F1, because it doesn't matter there. On F2, where we need to set an alternate function when configuring GPIOs for SPI, we need to know the dev. We can't add break backwards compatibility, so we need a new function. However, we've since added a bunch of foo_gpio_cfg() routines, and we don't want confusing asymmetry in the names. So a global style change is needed. (Fortunately, the new functions weren't part of a release, so it's no problem to change their names). Change all foo_gpio_cfg() routines to foo_config_gpios() (or foo_config_gpio(), if there's only one GPIO to configure). For backwards compatibility, make spi_gpio_cfg() on F1 an __always_inline call to spi_config_gpios(). Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F2: Add timer_get_af().Marti Bolivar2012-06-031-31/+1
| | | | | | | | Pull some code out of the F2 pinMode() into a utility function. This feels generally useful enough to be exposed to the users (it will, for example, make it easier to implement input capture in a clean way). Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F2: fix pinMode() for PWM, PWM_OPEN_DRAIN.Marti Bolivar2012-06-031-2/+1
| | | | | | Make it so the call to gpio_set_modef() actually happens. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* HardwareTimer.cpp: cosmetics.Marti Bolivar2012-06-031-2/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* HardwareTimer::setPeriod(): Don't use floating point.Marti Bolivar2012-06-031-3/+3
| | | | | | I can't believe we've been shipping this for so long. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* HardwareTimer.cpp: save some space with an rcc_clk_id hack.Marti Bolivar2012-06-031-97/+26
| | | | | | | | | | | | Since rcc_clk_ids for a peripheral now form a contiguous range by peripheral number, we can infer the rcc_clk_id for a timer given its number (e.g., can calculate RCC_TIMER2 given timerNum == 2). This lets us use timer_foreach() to avoid keeping a table of available timers in HardwareTimer.cpp. The implementation is hackish, but can be fixed up later if need be. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back/tweak pwmWrite().Marti Bolivar2012-06-022-6/+9
| | | | | | Works on F1, doesn't on F2. Will figure that out next. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* boards.cpp: Improve the comments.Marti Bolivar2012-06-021-13/+13
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring timer initialization back to init().Marti Bolivar2012-06-024-52/+43
| | | | | | | | | | | | | | Turns out the F1 code was pretty portable after all, so take it from the F1 boards_setup.cpp and stick it back into boards.cpp. The only change needed was to add a call to the newly-minted timer_has_cc_channel() (and this is necessary on F103 XL-density, anyway). Also assert LeafLabs copyright in boards.cpp. We really need to do this throughout the library; it's basically been rewritten since Perry. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Oops; don't break the build on F1.Marti Bolivar2012-06-021-2/+2
| | | | | | That was dumb. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Preprocessor-fu to derive BOARD_HAVE_USARTn from <board/board.h>.Marti Bolivar2012-06-018-44/+22
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* <wirish/HardwareTimer.h> cosmetics.Marti Bolivar2012-06-011-5/+3
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back HardwareTimer.Marti Bolivar2012-06-013-23/+104
| | | | | | | | | | | | | | Untested, but the timers work on F2 (see exampes/test-timers.cpp), so I'm hoping this is mostly OK. Note that there's an issue with TIMER2 and TIMER5 on F2: these timers have 32-bit counters, and the HardwareTimer methods are all based on uint16 (like on F1). I'm sorely tempted to keep this as-is; exposing the extra bits is just extra documentation, and the HardwareTimer interface is already way too complicated. The interface should still _work_; it just hides the fact that you're missing out on the extra bits for some of the timers. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back analogRead().Marti Bolivar2012-06-012-6/+7
| | | | | | | Yay, it just worked! Still, while we're here, touch up the make-up on wirish_analog.cpp. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back HardwareSerial.Marti Bolivar2012-06-0110-56/+126
| | | | | | | | | | | | | | | | | | | | | | | | To make this happen, we need to have <board/board.h> tell us whether or not it's got each of the USARTs. Do that with BOARD_HAVE_USARTn, for n = 1,...,6. This lets us define HardwareSerial instances only when appropriate, and gets rid of some board-specific hacks we'd accumulated. The new <libmaple/usart.h> now has a convenience function for determining the bus rate by using the appropriate STM32_PCLKx macro, so we can shave a uint32 per instance, which is nice given that they're all going to be in memory. This changes the constructor arguments, but the API only specifies the semantics of the predefined instances, so this is still backwards-compatible. (We should look into storing the instances in Flash -- they don't change, after all.) We don't actually need struct usart_dev's definition in HardwareSerial.h, so replace it with a forward declaration and include <libmaple/usart.h> it in HardwareSerial.cpp instead. Assert some copyrights. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back wirish/wirish_math.cpp.Marti Bolivar2012-05-311-1/+1
| | | | | | This is portable. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* wirish/rules.mk: Cosmetics.Marti Bolivar2012-05-311-10/+10
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back wirish/Print.cpp.Marti Bolivar2012-05-311-1/+1
| | | | | | | The only nonportable parts of this file are based on the assumption that we're on ILP32. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Assert LeafLabs copyright in wirish/Print.cpp.Marti Bolivar2012-05-311-0/+1
| | | | | | | | This should get replaced with a clean-room MIT licensed version, but pieces of it are ours (notably the bugfixes to the floating point printing routines), so might as well do the copyright thing. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Replace shiftOut(), also fixing a possible bug.Marti Bolivar2012-05-312-32/+29
| | | | | | | | | | | | The current shiftOut() is borrowed from Arduino, and is in an LGPL file. Replace that file with a new MIT-licensed version containing a new implementation. The new version brings the clock line LOW before starting, to make sure that the first pulse is detected if the clock line was previously HIGH. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* examples/blinky.cpp works on F2.Marti Bolivar2012-05-314-60/+227
| | | | | | | | | | | | | | | | | | | | | | Only OUTPUT mode is tested; any other modes might work, but no guarantees. Bring back: - wirish/wirish_digital.cpp - wirish/cxxabi-compat.cpp - wirish/wirish_time.cpp Add new: - wirish/stm32f1/wirish_digital.cpp - wirish/stm32f2/wirish_digital.cpp Move pinMode() from wirish/wirish_digital.cpp into the file by the same basename in wirish/stm32f1. This implementation is tied to F1. Add an F2 implementation in wirish/stm32f2/wirish_digital.cpp. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* <wirish/wirish.h>: Don't include some files.Marti Bolivar2012-05-311-2/+2
| | | | | | These don't work on F2, so leave them out for now. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* wirish: Build board.cpp.Marti Bolivar2012-05-311-1/+1
| | | | | | | There's enough infrastructure for a basic board.cpp on STM32F2, so we might as well bring this back. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Fix a bunch of Doxygen file-level comments.Marti Bolivar2012-05-0813-23/+19
| | | | | | | | | | | | | Fix @file in many places. Also fix up the descriptions where it's appropriate. This standardizes the @file formatting across the library to explicitly include any parent directories up to the repository root. Besides being nice, this will hopefully let us manage Doxygen's XML output so as to make extracting series-specific pieces via Breathe in the leaflabs-docs repo possible. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32VLDiscovery support filesAnton Eltchaninov2012-05-032-0/+195
| | | | | Signed-off-by: Anton Eltchaninov <anton.eltchaninov@gmail.com> Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* stm32.h: Various updates, mostly to help STM32F1 line support.Marti Bolivar2012-04-241-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add STM32_HAVE_USB feature test macro requirement for <series/stm32.h>. This will let us test if we've got a USB peripheral. wirish/stm32f1/boards_setup.cpp is set up to use this when turning on USB CDC ACM support at init() time. Rework the STM32F1 <series/stm32.h> to make it easier to support the various lines that subdivide that series. We don't really support anything besides performance line yet, but there's been enough enthusiasm for value and connectivity line support in the past that these hooks seem worth adding. This means adding an STM32_F1_LINE macro and STM32_F1_LINE_[PERFORMANCE,VALUE,ACCESS,CONNECTIVITY] macros for values that STM32_F1_LINE can take, and generalizing the rest of the file to begin taking this into account. Some TODOs remain, but filling these in is the responsibility of future libmaple porting efforts. One pleasant consequence of the F1 stm32.h rework is that the build system no longer has to tell us what density of F103 we're building for, so remove that from the relevant support/make/board-includes/ files. Add some tweaks to <libmaple/stm32.h> and the STM32F2 stm32.h header to make sure this went through properly, and continues to go through properly in the future.
* stm32f1 boards_setup.cpp: Allow overriding the PLL multiplier.Marti Bolivar2012-04-231-1/+10
| | | | | | | | | | Allow <board/board.h> to override the PLL multiplier by defining BOARD_RCC_PLLMUL. This should be useful for e.g. value line MCUs, which have slower clocks. It's also probably useful for people who have external oscillators different from the 8 MHz ones we use on all of our boards. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Resurrect ADC support.Marti Bolivar2012-04-114-39/+59
| | | | | | | | | | | | | 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>
* wirish/boards.cpp: Use __weak instead of GCC attribute.Marti Bolivar2012-04-111-1/+2
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* [FIXME] Resurrect boards.cpp for F2 and F1.Marti Bolivar2012-04-116-106/+363
| | | | | | | | | | | | | | | | FIXME: - F1 support currently appears to be failing in start_c.c, for some unknown reason. This will need to get sorted out later. Add a new wirish namespace, and a sub-namespace wirish::priv::. Put a bunch of board setup routines in this namespace, and declare them in new wirish/boards_private.h. boards.cpp uses this to perform initialization tasks in a portable way, with two new boards_setup.cpp files under wirish/stm32f1 and wirish/stm32f2 handling the series-specific details. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* [WIP] boards: Add st_stm3220g_eval.Marti Bolivar2012-04-112-0/+109
| | | | | | | This supports ST's STM3220G-EVAL, the standard "kitchen-sink" evaluation board for the STM32F2 series. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* [UNDO] Rip out everything but libmaple and Wirish startup code.Marti Bolivar2012-04-111-19/+19
| | | | | | | We'll need to bring all this functionality back online piecemeal as we add F2 support. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* boards.cpp: Remove implementation details from Doxygen comments.Marti Bolivar2012-04-111-6/+9
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* wirish/boards.cpp: Use FLASH_SAFE_WAIT_STATES.Marti Bolivar2012-04-111-1/+1
| | | | | | | Do this instead of hard-coding a number of wait states to use in setupFlash(), which is called by init(). This helps future-proof. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Make USB its own submodule.Marti Bolivar2012-04-112-2/+2
| | | | | | | | | | | | | | | 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 wirish/comm/*.cpp into wirish.Marti Bolivar2012-04-113-3/+2
| | | | | | The wirish/comm/ directory is stupid. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Move public headers to include directories; related cleanups.Marti Bolivar2012-04-1141-224/+187
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Fix linking and C runtime initialization on F1.Marti Bolivar2012-04-111-9/+10
| | | | | | | | | | | | Reorder the .data and .rodata sections in common.inc. This seems necessary to get the linker to place the data ROM disk and the pointer to it in the right places. Switch from long long to int in start_c.c. I have no idea why this helps, but it does. F1 will crash if you don't do this. It will probably slow things down unnecessarily on F2, but I don't care. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Cosmetics.Marti Bolivar2012-04-112-41/+42
| | | | | | | | | Convert wirish/start.S and wirish/start_c.c to libmaple coding conventions. Whitespace and brace insertion changes only. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Remove "CS3" prefix from libmaple symbol names.Marti Bolivar2012-04-112-6/+63
| | | | | | | | | | | | | | | | | | | We're no longer even marginally compatible with CS3, so it's inappropriate to use that prefix in our names. Rename: __cs3_stm32_vector_table -> __stm32_vector_table. __cs3_stack -> __msp_init __cs3_reset -> __exc_reset __cs3_start_c -> start_c Also add an MIT license header and assert LeafLabs copyright over wirish/start.S and wirish/start_c.c. These files are modified from the original CodeSourcery versions, which were distributed under a license that permits modifications to be distributed under a different copyright and licensing terms than the originals. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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