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* i2c: Various fixes, extensions, documentation.Perry Hung2011-05-126-80/+285
| | | | | | | | | | | | -Fix clock calculations for fast-mode support -Add I2C_REMAP option to remap i2c1 (untested) -Add I2C_BUS_RESET option to reset bus on initialization -Add optional timeout parameter -Doxygen comments -Various cleanup 10-bit slave addressing is untested until I have a device that speaks such.
* 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 $'\r$' .`
* Finally getting rid of __read() and __write().Marti Bolivar2011-05-061-8/+1
| | | | | This brings util.h down to some bit manipulation macros, failure routines, and asserts.
* IWDG include fixup.Marti Bolivar2011-05-061-0/+1
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* Independent watchdog refactor.Marti Bolivar2011-05-062-38/+88
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* Doxygen syntax bugfixes.Marti Bolivar2011-05-053-3/+8
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* SPI fixups.Marti Bolivar2011-05-042-58/+37
| | | | | | Initial post-review changes based on thread here: https://github.com/leaflabs/libmaple/commit/77f707d7b87fce284945fc9fe21c824c18c4c93d#comments
* systick_timer_millis is volatile, not IO-mapped.Marti Bolivar2011-05-042-2/+2
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* SerialUSB fixups.Marti Bolivar2011-05-044-11/+9
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* Native and FSMC cleanups.Marti Bolivar2011-05-042-9/+9
| | | | | | | Got rid of native_sram.h (and native_sram.cpp), and pushed their functionality into maple_native.cpp. Fixed includes in maple_native.h. Fixed includes in fsmc.h.
* Adding RCC_SPI3 for high density devices.Marti Bolivar2011-04-292-0/+2
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* SPI refactor.Marti Bolivar2011-04-282-199/+629
| | | | | | | | | | | | | | | | | Still a polling driver, but the libmaple proper interface exposes enough that users enable the various interrupts and define their own IRQ handlers if they feel like it. Wirish HardwareSPI interface was largely redone; it's more like the Arduino implementation now, although there are some differences when I didn't like their API. The old methods are still there, but are deprecated and slated for deletion in 0.1.0. New board-specific values: BOARD_NR_SPI, BOARD_SPIx_NSS_PIN, BOARD_SPIx_MOSI_PIN, BOARD_SPIx_MISO_PIN, and BOARD_SPIx_SCK_PIN, for x from 1 to BOARD_NR_SPI. Documentation was updated appropriately.
* Fixing usart_putstr() atrocity.Marti Bolivar2011-04-251-1/+1
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* Adding rcc_dev_clk(), an accessor for a peripheral's clock line.Marti Bolivar2011-04-252-8/+23
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* Better debug port support.Marti Bolivar2011-04-251-19/+35
| | | | | | | | | | | - gpio.h: afio_mapr_swj_config() renamed afio_cfg_debug_ports() - [new] wirish_debug.h: disableDebugPorts(), enableDebugPorts() - Maple, Maple Native, and Maple RET6 PIN_MAPs are now larger by 5, have mappings for the extra JTAG/SW pins. Documentation was updated appropriately.
* Adding nonblocking USART transmit, usart_tx().Marti Bolivar2011-04-252-23/+42
| | | | | Other USART transmission functions are still blocking, but are now implemented in terms of usart_tx().
* gpio.h whitespace cleanup.Marti Bolivar2011-04-251-1/+0
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* I2C fixup.Marti Bolivar2011-04-252-4/+14
| | | | Added i2c_init() for consistency with rest of libmaple.
* Requiring dac_dev* argument in DAC convenience functions.Marti Bolivar2011-04-212-20/+39
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* usart.c comment fixes.Marti Bolivar2011-04-151-15/+18
| | | | | License header made 80-column clean. usart_irq() comment for the USART_SAFE_INSERT case made easier to understand.
* Making usart.h license header 80-column clean.Marti Bolivar2011-04-151-14/+16
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* i2c cleanups.Marti Bolivar2011-04-142-91/+90
| | | | Whitespace and column width changes only.
* Reverting some "volatile" -> "__io" changes.Marti Bolivar2011-04-122-2/+2
| | | | See https://github.com/leaflabs/libmaple/commit/c57d760676b97a0fc9cb51db99c8400bae2cb3b7#commitcomment-338822
* Making 1c05ac8497222a12a675ba31564e7c4864107de9 comply with coding standard.Marti Bolivar2011-04-121-6/+5
| | | | Whitespace corrections only.
* Adding i2c2 and i2c fast modeAnton Eltchaninov2011-04-124-15/+48
| | | | Signed-off-by: Anton Eltchaninov <anton.eltchaninov@gmail.com>
* Changing usages of "volatile" to "__io".Marti Bolivar2011-04-125-7/+9
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* Adding guards for negative nvic_irq_num enumerators.Marti Bolivar2011-04-121-0/+6
| | | | | nvic_irq_enable() and nvic_irq_disable() previously didn't protect against negative arguments.
* Doxygen bugfixes.Marti Bolivar2011-04-125-10/+16
| | | | Fixed various Doxygen comment errors.
* DMA checkpoint; dma_attach_interrupt() is broken.Marti Bolivar2011-04-113-148/+695
| | | | | | Simple USART receiver to SRAM buffer demo partially working. Interrupting when buffer is full fails mysteriously. GDB thinks we ended up in an STM32 reserved exception.
* Resolving some FIXMEs.Marti Bolivar2011-04-112-23/+3
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* Adding delay_us() TODO.Marti Bolivar2011-04-111-0/+2
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* USART bugfix.Marti Bolivar2011-04-111-1/+1
| | | | | USART refactor commit f6f9a1122706ed336c52c984d76219dee0594487 only worked for USART1.
* USART fixups.Marti Bolivar2011-04-081-2/+2
| | | | | | | * usart_enable(): Doxygen comment bugfix. * usart_disable(): previously, usart_disable() would nuke the entire CR1 register just to clear the UE bit.
* Timer tweaks.Marti Bolivar2011-04-071-18/+12
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* Renaming some nvic_irq_num enumerators for better readability.Marti Bolivar2011-04-072-20/+20
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* USART refactor.Marti Bolivar2011-04-073-235/+435
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* SysTick refactor.Marti Bolivar2011-04-053-56/+81
| | | | | | | | For the changelog: * util.h is free of __read(), __write(), etc. macros. * systick_resume() was renamed systick_enable().
* NVIC and SCB refactorMarti Bolivar2011-04-055-179/+197
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* ring_buffer.h function comments converted to DoxygenMarti Bolivar2011-04-051-14/+38
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* ring_buffer tweaks.Marti Bolivar2011-04-051-2/+6
| | | | | | | Adding basic ring_buffer test (cherry-pick from master). Changing rb_safe_insert()'s type to match that of rb_push_insert(). (Makes it easier to pass around insertion functions.)
* NitpicksMarti Bolivar2011-03-301-0/+4
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* Final stm32_pin_info design candidate; ADC3 support on Native.Marti Bolivar2011-03-253-98/+265
| | | | | | | | | | | | | | | | | | | | Added an adc_dev to struct stm32_pin_info. This was necessary to add support for the channels on the Native which are only connected to ADC3, but it does add a bunch of NULLs to the PIN_MAPs. I don't think any other peripherals need representation on a per-pin basis. Each peripheral library will be responsible for keeping track of related GPIO ports and bits, and we can throw #defines in to boards/*.h for other things (e.g. BOARD_SPI1_MISO_PIN). Fleshed out the ADC refactor and brought it more in keeping with the new design as it evolves. A couple of other tweaks. Notably: waitForButtonPress() now takes a default argument meaning "wait forever". Removed Maple-specific documentation from core functions in io.h; this information will need to go into the individual board docs files.
* Adding /wirish/boards/ for easier porting; shrank PIN_MAPs.Marti Bolivar2011-03-242-38/+56
| | | | | | | | | | | | | | | | | /wirish/boards/ contains xxx.h and xxx.cpp (for xxx=maple, maple_native, maple_mini, maple_RET6). The headers contain the board-specific #defines that used to live in boards.h (except BOARD_INIT, which was removed). The CPP files contain the PIN_MAP definitions that used to live in boards.cpp, and a proper boardInit() function to replace the old BOARD_INIT macro. This will make it easier to add new boards in the future. struct PinMapping was renamed struct stm32_pin_info, and was moved into a new wirish_types.h. Its external interrupt field was moved into struct gpio_dev, which saves memory by storing an afio_exti_port per port, rather than one per pin. Also rearranged the stm32_pin_info fields to improve packing. Maple's PIN_MAP is now down to below 500 bytes.
* timer_set_dma_burst_length() and TIMER8 comment bugfixesMarti Bolivar2011-03-241-2/+2
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* Initial timer refactor.Marti Bolivar2011-03-2410-1013/+1522
| | | | | | | | | | | | | | | 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.
* Adding license to ring_buffer.hMarti Bolivar2011-03-211-0/+26
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* RCC refactor.Marti Bolivar2011-03-213-178/+563
| | | | | | Older refactor commit e4807a5010f59ab863ad2c96dc14caf65bf1ae60 used bit-banding in rcc_clk_init() to set RCC_CR_HSEON, which doesn't work for some reason. Not going to try to figure out why.
* More convenient bit-banding interfaceMarti Bolivar2011-03-211-0/+40
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* Merge branch 'i2c-wip' into refactorPerry Hung2011-03-2112-4/+851
|\ | | | | | | | | | | | | Conflicts: examples/test-fsmc.cpp libmaple/rules.mk wirish/boards.h
| * Add rudimentary error handling for nack conditionPerry Hung2011-03-142-39/+55
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