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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This is a developer's doc explaining how interrupts are handled in
libmaple. It's time we exposed this information to enable people who
know what they're doing to move around more easily.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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This information is all STM32F1 only.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Some general notes on the various STM32 series.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
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The tables are too long to read comfortably without additional
horizontal line breaks.
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This information has been folded into the board hardware documentation
for Maple.
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This file is out of date. Fix it to be a useful starting point for
figuring out how libmaple ports across chips/boards.
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Its content was moved into the official docs a while ago.
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Its content has been moved into the main docs tree.
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No corrections made to the pin definitions themselves.
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Fixes for github .rst display.
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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.
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It's mostly ready for inclusion in the main body of documentation.
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Added some content, converted document to .rst.
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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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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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Conflicts:
libmaple/usb/usb.c
notes/coding_standard.txt
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notes/native-pin-definitions.txt (copied from ST datasheet).
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This compiles for both maple and maple_native but is untested.
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Sort of ugly changes. Compiles but 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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Removed dependency on libcs3.a because Codesourcery does not provide the
source for it.
We now link against a modified libcs3-lanchon-stm32.a built from parts
in public domain from Lanchon, and a start_c.c from Codesourcery that is
licensed under a permissive license.
Also removed all of the extra linker cruft from the stm32conf directory.
The linker files now live in support/ld
The openocd scripts now live in support/openocd
The udev rules and copy-to-ide scripts now live in support/scripts
The source lives in support/ld/libcs3-lanchon-stm32.tar.gz
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port now 1eaf:0004) and fixed a bug in reset.py,
added a no-delay usb serial loop to main.cpp as an example. has no problem at 115200 in minicom!
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wirish init
this involved some some changes to copy-to-ide, WProgram.h, and the makefile. Separated the reset.py from the wait.py so that the program closes the serial port correctly.
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Initial commit of a polling-based SPI driver. The driver is limited to
synchronous, blocking sends and a 8-bit data frame format. Tested on
SPI1 and SPI2.
Other peripherals are temporarily disabled, and the rx function
is untested until I find a good peripheral to test everything on.
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