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This fixes the Wire examples that uses I2C reserved address (from 0 to 7) substituting them with 8 that is the first one available and that can be used.
I also modified the wire reference
http://www.arduino.cc/en/reference/wire
according to this fact.
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Signed-off-by: Arnav Gupta <championswimmer@gmail.com>
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* Moving Upload options from "File" menu to "Sketch" menu as those
are sketch actions more than file actions.
Signed-off-by: Arnav Gupta <championswimmer@gmail.com>
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Provided a default value for compiler.warning_flags
Releasing avr core 1.6.5
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Reviewed warnings key names and dropdown in Preferences
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Tone: fix for ATmega8
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Replaced direct register manipulation with calls to bitWrite(). Fixed TIMSK5 usage on Leonardo (as well as some other preprocessor statements).
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Tone.cpp stops compile when TCCR0A/TCCR0B defined and WGM01 not defined #2923
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https://github.com/arduino/Arduino/commit/61592d78fa71c023e4f1577f7e2b6bada2661a13#commitcomment-10668365
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Rebased the bugfix from the original Google Code issue #292 to work with Arduino 1.6.x
Description of original fix provided by Pete62:
The later 8 bit AVR's use two registers (TCCRxA, TCCRxB) whereas the ATmega8 only uses a single register (TCCR2) to house the control bits for Timer 2. Bits were inadvertently being cleared.
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to a value known to be wrong/old, that property is replaced with the current/right value.
This happens in-memory, no platform.txt file were harmed during rewriting
Mitigate #2838
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Updated toolchains: linux statically compiled, added gcc lto plugin (disabled)
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let's not expose it until the API is not accepted
widely by the dev mailing list
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Fix findUntil in Stream library
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PR #2696 without timeout-related changes
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EEPROM library V2
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Removed hard coded lengths, which were incorrect for standard Arduino's
now.
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previously, e.g. by user sketch
squashes and closes PR #2659
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To avoid having a .cpp just for an extern variable definition, `static`
has been chosen over `extern`.
As the `EEPROMClass` class simply wraps functionality located elsewhere,
it is completely compiled away. Even though each translation unit which
includes the header will get a copy with internal linkage, there is no
associated overhead.
More info
[here](http://stackoverflow.com/questions/29098518/extern-variable-only-in-header-unexpectedly-working-why)
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This allow to define specific recipes for every platform
but keeps backward compatibility.
See #2614
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using generic term 'output', because for samx32,
output is .bin format and not .hex
Signed-off-by: Arnav Gupta <championswimmer@gmail.com>
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Previously, the TX pin would be set to output first and then written
high (assuming non-inverted logic). When the pin was previously
configured for input without pullup (which is normal reset state), this
results in driving the pin low for a short when initializing. This could
accidenttally be seen as a stop bit by the receiving side.
By first writing HIGH and then setting the mode to OUTPUT, the pin will
have its pullup enabled for a short while, which is harmless.
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The debugPulse function definition already checks for _DEBUG, resulting
in an empty function definiton and the function call being optimized
away.
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Instead of using a lookup table with (wrong) timings, this calculates
the timings in SoftwareSerial::begin. This is probably a bit slower, but
since it typically happens once, this shouldn't be a problem.
Additionally, since the lookup tables can be removed, this is also a lot
smaller, as well as supporting arbitrary CPU speeds and baudrates,
instead of the limited set that was defined before.
Furthermore, this switches to use the _delay_loop_2 function from
avr-libc instead of a handcoded delay function. The avr-libc function
only takes two instructions, as opposed to four instructions for the old
one. The compiler also inlines the avr-libc function, which makes the
timings more reliable.
The calculated timings directly rely on the instructions generated by
the compiler, since a significant amount of time is spent processing
(compared to the delays, especially at higher speeds). This means that
if the code is changed, or a different compiler is used, the
calculations might need changing (though a few cycles more or less
shouldn't cause immediate breakage).
The timings in the code have been calculated from the assembly generated
by gcc 4.8.2 and gcc 4.3.2.
The RX baudrates supported by SoftwareSerial are still not unlimited. At
16Mhz, using gcc 4.8.2, everything up to 115200 works. At 8Mhz, it works
up to 57600. Using gcc 4.3.2, it also works up to 57600 at 16Mhz and up
to 38400 at 8Mhz. Note that at these highest speeds, communication
works, but is still quite sensitive to other interrupts (like the
millis() interrupts) when bytes are sent back-to-back, so there still
are corrupted bytes in RX.
TX works up to 115200 for all combinations of compiler and clock rates.
This fixes #2019
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Before, the interrupt would remain enabled during reception, which would
re-set the PCINT flag because of the level changes inside the received
byte. Because interrupts are globally disabled, this would not
immediately trigger an interrupt, but the flag would be remembered to
trigger another PCINT interrupt immediately after the first one is
processed.
Typically this was not a problem, because the second interrupt would see
the stop bit, or an idle line, and decide that the interrupt triggered
for someone else. However, at high baud rates, this could cause the
next interrupt for the real start bit to be delayed so much that the
byte got corrupted.
By clearing the interrupt mask bit for just the RX pin (as opposed to
the PCINT mask bit for the entire port), any PCINT events on other bits
can still set the PCINT flag and be processed as normal. In this case,
it's likely that there will be corruption, but that's inevitable when
(other) interrupts happen during SoftwareSerial reception.
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