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* wirish/ext_interrupts.cpp: Doxygen, copyright.Marti Bolivar2012-06-031-1/+2
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Add ISRs and vector table for F1 value line.Marti Bolivar2012-06-035-4/+393
| | | | | | | | | | | | | | | | | Now libmaple/stm32f1/rules.mk tries to pull in ISRs and a vector table on a per-line basis. Move isrs_performance.S and vector_table_performance.S to (new) libmaple/stm32f1/performance, and rename them. Add corresponding files for value line under (new) libmaple/stm32f1/value. This helps clean up some performance-line-isms, and allows implementing e.g. the CEC interrupt, which is used by something else on performance line. Untested (I don't have access to a value line MCU); hopefully this works. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Slightly improve and generify the USB infrastructure.Marti Bolivar2012-06-0322-61/+157
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* libmaple_types.h: Add __unused.Marti Bolivar2012-06-031-0/+1
| | | | | | We'll need this soon. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* F2: Add usart_get_af().Marti Bolivar2012-06-032-17/+30
| | | | 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 Bolivar2012-06-0312-42/+85
| | | | | | | | | | | | | | | | | | | | 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 Bolivar2012-06-033-31/+53
| | | | | | | | 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>
* Add timer_has_cc_channel().Marti Bolivar2012-06-022-0/+29
| | | | | | | | | 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>
* Sort the rcc_clk_id enumerators semi-alphabetically.Marti Bolivar2012-06-022-77/+77
| | | | | | | | | | | | | | | | Only semi-alphabetically because peripherals are kept together (so the UARTs sort as if they were USARTs). Advantages: - It lets us play numeric comparison and lookup-table hacks, as we now have the property that the rcc_clk_ids for a given peripheral are a contiguous range of integers. - It will hopefully let the compiler emit faster/smaller code for switches over a dev->clk_id. - It's better intuitively. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Oops; don't break the build on F1.Marti Bolivar2012-06-022-3/+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>
* libmaple/adc.h: Fixup for Doxygen.Marti Bolivar2012-06-011-1/+1
| | | | 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>
* libmaple/stm32.h: Add STM32_TIMER_MASK, STM32_HAVE_TIMER.Marti Bolivar2012-06-013-4/+48
| | | | | | | | | | | | | | | | | | 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 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>
* examples/debug-dtrrts.cpp: Cosmetics.Marti Bolivar2012-06-011-2/+1
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* stm32f2/usart.c: Change some FIXMEs to TODOs.Marti Bolivar2012-06-011-6/+7
| | | | | | I think these are probably unchanged, but we need to make sure. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Add examples/serial-echo.cpp.Marti Bolivar2012-06-011-0/+30
| | | | | | Serial1 writes back what it receives. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* Bring back HardwareSerial.Marti Bolivar2012-06-0111-56/+127
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* stm32f2/gpio.c: Fix some bugs.Marti Bolivar2012-05-311-3/+3
| | | | | | | Make gpioh.regs actually point to GPIOH_BASE. Properly AND out flag bits in gpio_set_modef(). 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>
* 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>
* libmaple/usart_private.c: Add missing include.Marti Bolivar2012-05-311-0/+1
| | | | 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>
* STM32F1: Fix nvic_irq_disable_all() on some MCUs.Marti Bolivar2012-05-311-8/+6
| | | | | | | | | | The current implementation only disables the first 64 IRQ lines. This covers all the chips we currently support, but it'll be a nasty surprise if anyone decides to add e.g. connectivity line MCUs (which have more IRQs) in the future. We already have the infrastructure to fix it in a clean way, so we might as well do it now. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* nvic.h: Doxygen: nvic_irq_num is target dependent.Marti Bolivar2012-05-312-2/+2
| | | | 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>
* stm32f1/rcc.c: Move Doyxgen.Marti Bolivar2012-05-311-10/+1
| | | | | | This is a workaround for Breathe. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* series/rcc.h: Lose BIT().Marti Bolivar2012-05-312-360/+370
| | | | Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
* libmaple/rcc.c: 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>
* stm32f2/rcc.h: Remove a TODO.Marti Bolivar2012-05-311-7/+0
| | | | | | That never worked out. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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