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* struct timer_dev: Don't touch ->handlers!Marti Bolivar2012-06-071-3/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/timer.h: Nuke useless comment.Marti Bolivar2012-06-071-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/timer.h: Doxygen beautification and fixupsMarti Bolivar2012-06-071-98/+109
| | | | | | | Make the Doxygen comments nicer to look at. Some of the docstrings are out-of-date since F2 support was added, so update them. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Move timer_dev definitions into libmaple/timer.c.Marti Bolivar2012-06-071-0/+42
| | | | | | | | | The addition of STM32_HAVE_TIMER() allows us to avoid some repetition. There's still an issue with names on F1 preventing us from moving the IRQ handlers to libmaple/timer.c, but once that's resolved, we'll be able to remove even more. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back libmaple/dac.h.Marti Bolivar2012-06-041-68/+56
| | | | | | | Minor variations on F2: DMA underrun interrupts, and a status register to hold the notification bits. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* stm32.h: Add STM32_HAVE_DAC feature-test.Marti Bolivar2012-06-041-0/+6
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F2: Add EXTI support.Marti Bolivar2012-06-031-3/+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: Add SYSCFG support.Marti Bolivar2012-06-031-0/+151
| | | | | | 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 Bolivar2012-06-032-14/+105
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* <libmaple/bitband.h>: DoxygenMarti Bolivar2012-06-031-2/+2
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Slightly improve and generify the USB infrastructure.Marti Bolivar2012-06-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* libmaple_types.h: Add __unused.Marti Bolivar2012-06-031-0/+1
| | | | | | We'll need this soon. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Globally switch style for GPIO config routines.Marti Bolivar2012-06-033-13/+27
| | | | | | | | | | | | | | | | | | | | 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>
* Add timer_has_cc_channel().Marti Bolivar2012-06-021-0/+1
| | | | | | | | | This is a convenience function for deciding whether a timer supports a particular capture/compare channel. It's necessary because of those nuisance "general purpose" timers that only have a subset of the channels. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/adc.h: Fixup for Doxygen.Marti Bolivar2012-06-011-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/stm32.h: Add STM32_TIMER_MASK, STM32_HAVE_TIMER.Marti Bolivar2012-06-011-4/+39
| | | | | | | | | | | | | | | | | | Feature-test macros for dealing with the fact that timer support has holes. STM32_TIMER_MASK is a bitmask where bit n is set when TIMERn is present. STM32_HAVE_TIMER(n) just tests whether bit n is set in STM32_TIMER_MASK. This is necessary because e.g. the STM32F100RB has timers 1-4, 6, 7, and 15-17. Because of this, the usual STM32_NR_whatever won't work, and we use a bitmask instead. For F1 performance line (F103s), STM32_TIMER_MASK can be derived from the density. For F1 value line, I'm not as sure, so just add it for the single MCU we support (the STM32F100RB). Same story for F2: add it for the STM32F207IC. We can fix this up later if necessary. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back HardwareSerial.Marti Bolivar2012-06-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* <libmaple/gpio.h>: Fix gpio_write_bit().Marti Bolivar2012-05-311-1/+1
| | | | | | | It's exactly wrong -- val=0 makes the pin high, and val=1 makes it low. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/nvic.h: Doxygen tweak.sMarti Bolivar2012-05-311-6/+18
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/nvic.h: Fix typo.Marti Bolivar2012-05-311-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/rcc.h: Doxygen.Marti Bolivar2012-05-311-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* RCC: DoxygenMarti Bolivar2012-05-311-8/+45
| | | | | | | Various changes to Doxygen structure, to help leaflabs-docs make sense of everything. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/rcc.h: Doxygen workarounds.Marti Bolivar2012-05-311-3/+3
| | | | | | | We need the arguments to be the same name everywhere, or Breathe/Doxygen get confused. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/fsmc.h: Better Doxygen for memory bank bases.Marti Bolivar2012-05-311-9/+29
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/fsmc.h: Don't use BIT().Marti Bolivar2012-05-311-23/+23
| | | | | | | As fsmc.h doesn't include util.h or libmaple.h, these usages are actually in error. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/iwdg.h: Remove BIT() usages.Marti Bolivar2012-05-311-3/+2
| | | | | | This cleans up another unnecessary <libmaple/util.h> dependency. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* flash.h: Doxygen.Marti Bolivar2012-05-091-0/+5
| | | | | | | Document FLASH_BASE once. This is due to restrictions in the documentation build system. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Change __DOXYGEN_PREDEFINED_HACK to __DOXYGEN__.Marti Bolivar2012-05-091-4/+3
| | | | | | avr-gcc does it this way. Seems ok to me. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/util.h: Doxygen cosmetics.Marti Bolivar2012-05-081-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/flash.h: Doxygen for flash_enable_features().Marti Bolivar2012-05-081-4/+14
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/flash.h: Deprecate flash_enable_prefetch().Marti Bolivar2012-05-081-0/+3
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Fix a bunch of Doxygen file-level comments.Marti Bolivar2012-05-0822-24/+23
| | | | | | | | | | | | | 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>
* libmaple/flash.h: Fix Doxygen @fileMarti Bolivar2012-05-081-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/util.h: Doxygen fixups.Marti Bolivar2012-05-081-3/+3
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* ring_buffer.h: Fix Doxygen @file.Marti Bolivar2012-05-081-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/stm32.h: Doxygen.Marti Bolivar2012-05-081-0/+17
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/bkp.h: Tweak for STM32F1 XL-density.Marti Bolivar2012-05-071-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/adc.h: Cosmetics.Marti Bolivar2012-05-031-9/+9
| | | | | | | | | Add "extern" to mark portable interface routines that are implemented individually by each series. Move some code around. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* stm32f1: Resurrect DMA support. (sets up breaking change)Marti Bolivar2012-05-031-382/+22
| | | | | | | | | | | | | | | | | 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/stm32.h: Copyrights and cosmetics.Marti Bolivar2012-05-031-3/+9
| | | | | | | | Fix copyright. Fix Doxygen @file. Update file-level documentation, given this file's increased importance as an abstraction for porting between series. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/dma.h: Fix Doxygen @file.Marti Bolivar2012-04-261-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* stm32.h: Various updates, mostly to help STM32F1 line support.Marti Bolivar2012-04-241-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* libmaple/i2c.h: Rearrange i2c_dev members to improve packing.Marti Bolivar2012-04-111-5/+5
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/spi: Fixups, move nonportable bits into libmaple/stm32f1.Marti Bolivar2012-04-111-56/+62
| | | | | | | | | | | 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>
* libmaple/spi: Fix boilerplate.Marti Bolivar2012-04-111-1/+2
| | | | | | Update Doxygen file headers and license copyright dates. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/rcc.h: Fix Doxygen file header.Marti Bolivar2012-04-111-1/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* STM32F1: Add support for timers 9 through 14.Marti Bolivar2012-04-111-7/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This applies to XL-density STM32F1 devices. In stm32f1/timer.c, add timer_dev's for the new timers, using the timer_private API. These definitions are conditionally compiled based on the target density to avoid wasting space on smaller MCUs. Also add calls to the appropriate timer_private.h dispatch routines within the IRQ handlers for these timers. We need to change the IRQ handler names to reflect this eventually, but put that off for now, as it could break backwards compatibility in some exotic situations where the user refers to the libmaple IRQ handlers directly. In stm32f1/timer.h, add register map base pointers and device declarations for the new timers. timer_dev* declarations are compiled in only when the target MCU supports them, in keeping with the above stm32f1/timer.c changes. In libmaple/timer.c, update the (static) IRQ enable routines to account for the additional timers. This adds some code that's unnecessary on smaller STM32F1s, but it's minimal (40 extra bytes on my machine), so portability and readability win out. Size change, using GCC version "(Sourcery G++ Lite 2011.03-42) 4.5.2": Before: text data bss dec hex filename 615 0 0 615 267 build/home/mbolivar/leaf/libmaple/libmaple/timer.o After: text data bss dec hex filename 655 0 0 655 28f build/home/mbolivar/leaf/libmaple/libmaple/timer.o Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/timer.h: Minor tweaks.Marti Bolivar2012-04-111-4/+4
| | | | | | Comments etc. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* timer: Fixes, rip out nonportable bits.Marti Bolivar2012-04-111-90/+143
| | | | | | | | | | | | | | 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>
* libmaple/libmaple_types.h: Add __always_inline.Marti Bolivar2012-04-111-0/+1
| | | | | | We need this to ensure inlining when compiled with -Os. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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