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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.
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/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.
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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.
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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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DAC header and source slightly cleaned up. Test on Maple Native prototype. Add
flags parameter to allow selective enabling of channels.
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ripped out marti's SystemTick for the sake of simplicity and added a
systick_resume function to libmaple. new example program demonstrates
the functionality, also demonstrates micros()/USB bug
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This compiles for both maple and maple_native but is untested.
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Documented; see ./notes/fsmc.txt. Not yet integrated into .ld scripts or
fully tested
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examples code cleanup, more descriptive comments, more notes
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refactored timers and added interrupt behavior. see notes and
comments... also includes a crude vga hack that doesn't use timers.
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as a temporary workaround for the fact that SerialUSB is often blocking,
this crude implementation makes the low-level C usbSendBytes function
non-blocking (with a return code of bytes sent) and implements a 2ms
timeout in the wirish write() function.
also adds begin(), end(), getDTR(), getRTS(), pending(). device is still
initialized the old fashioned way during init() so that, eg, autoreset
will work. includes a simple multi-test program.
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Commit 70a18f96b6d55d23ce58ab40ffb61f172c8f6c73 forces init() to be
called before any statically allocated object constructors for the IDE.
This adds the change to the examples for users not using the IDE.
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-updated examples
-removed HardwareUSB
-cleaned up a handful of includes
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perry forgot to add/edit these...
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out of main to cxxabi-compat.cpp.
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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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copy-to-ide and Makefile updated to conform; .gitignore added;
LICENSE added
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