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* [WIP] GPIO refactor: seems ok, ready for reviewMarti Bolivar2011-03-111-9/+7
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* Cleaned out libmaple.h; this had wide-ranging implications.Marti Bolivar2011-02-271-1/+7
| | | | | | | | | | | | | | | | | | | Many of the #defines in libmaple.h were board-specific, not MCU-specific. Most of these were only used by code under libmaple/usb/. These were moved into usb_config.h, and are clearly marked as being terrible hacks. I'm going to treat the USB stack as a black box that we'll deal with later. Further, instead of having a variety of #defines like "How many USARTS do I have?", we decide that based on the density of the chip. This is determined by testing for STM32_MEDIUM_DENSITY or STM32_HIGH_DENSITY defines. libmaple currently doesn't support low-density chips, so that suffices. The Makefile will set these automatically based on the MCU. Other offending #defines are ERROR_LED_PORT and ERROR_LED_PIN; these were made optional, but they're set in the Makefile as a hack to keep things working.
* Refactor backup (BKP) and power (PWR) routines.Marti Bolivar2011-02-271-33/+65
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* nzmichaelh's pull request mods compile and upload.Marti Bolivar2010-12-281-0/+86
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.