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In keeping with convention.
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Other USART transmission functions are still blocking, but are now
implemented in terms of usart_tx().
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License header made 80-column clean. usart_irq() comment for the
USART_SAFE_INSERT case made easier to understand.
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USART refactor commit f6f9a1122706ed336c52c984d76219dee0594487 only
worked for USART1.
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* usart_enable(): Doxygen comment bugfix.
* usart_disable(): previously, usart_disable() would nuke the
entire CR1 register just to clear the UE bit.
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Add common linker scripts for ram and rom. Add medium and high density
libraries for libcs3.
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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.
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This provides DMA, IWDG, PWR, and BKP support, and fixes several bugs.
Conflicts:
libmaple/adc.h
libmaple/libmaple.h
libmaple/ring_buffer.h
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Fixed millis(), it was just wrong, before.
Added micros(), not extensively tested.
New implementation of delayMicroseconds(). Should be more consistent
now.
Added a handful of nvic routines to enable/disable interrupts.
Cleaned up systick
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Fixed a bug where the maximum baud rate was incorrectly set to 225000
General cleanup
Use new rcc and nvic APIs
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Relicensed the bulk of libmaple under the more permissive MIT License,
from GPLv3. Files that were largely or entirely derived from
the Arduino, STM, or Lanchon retain their original licenses.
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Removed inttypes.h from libmaple. Will have another pass through to use
the standard libmaple types, but will come in another commit.
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Conflicts:
Makefile
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copy-to-ide and Makefile updated to conform; .gitignore added;
LICENSE added
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