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This simplifies the baud rate calculation, removing the need for a goto
and shortening the code a bit. Other than that, this code should not use
any different settings than before.
Code was suggested by Rob Tillaart on github.
Closes: #1262
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operator bool()
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There are two begin methods, one which accepts just a baud rate and
uses the default bit settings and one which accepts both a baudrate and
a bit config. Previously, both of these contained a complete
implementation, but now the former just calls the latter, explicitely
passing the default 8N1 configuration.
Technically, this causes a small change: Before the UCSRC register was
untouched when calling begin(baud), now it is explicitely initialized
with 8N1. However, since this is the default configuration for at least
the Uno and the Mega (didn't check any others), probably for all avrs,
this shouldn't effectively change anything. Given that the Arduino
documentation also documents this as the default when none is passed,
explicitly setting it is probably a good idea in any case.
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These functions do not modify the IPAddress object, but were not marked
as const. This meant that you could not do:
void set_ip(const IPAddress& ip) {
uint32_t copy = ip;
}
Since calling operator uint32_t() on ip would discard the constness of
the reference.
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https://github.com/arduino/Arduino/issues/1792#issuecomment-31650586
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Conflicts:
hardware/arduino/avr/cores/arduino/Print.cpp
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On later versions of avr-libc, prog_char is deprecated. In 0acebeeff48
the one occurence of prog_char was replaced by "char PROGMEM", which is
not entirely correct (PROGMEM is supposed to be an attribute on a
variable, not on a type, even though this is how things work in older
libc versions). However, in 1130fede3a2 a few new occurences of
prog_char are introduced, which break compilation on newer libc versions
again.
This commit changes all these pointer types to use the PGM_P macro from
<avr/pgmspace.h>. This macro is just "const char *" in newer libc
versions and "const prog_char *" in older versions, so it should always
work.
References #795
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Now that Print::write(const char*) is also available, these casts are no
longer needed.
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The new functions just call their char* equivalents, but this allows
reading bytes into a buffer of uint8_t as well as chars.
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The new function just calls Print::write(const uint8_t *, size_t), but
this allows writing out a buffer of chars (without having to learn about
casts).
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Conflicts:
build/shared/revisions.txt
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Fixes #1568
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This should make explicit String-from-integer constructor working again:
int a = 10;
String(a, 4);
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Add two argument form of Serial_::begin
Signed-off-by: Paul Brook <paul@nowt.org>
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Make USB Serial_::begin() function take an unsigned long argument for
consistency with HardwareSerial.
Signed-off-by: Paul Brook <paul@nowt.org>
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Conflicts:
app/src/processing/app/Preferences.java
app/src/processing/app/debug/Uploader.java
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Conflicts:
hardware/arduino/avr/cores/arduino/USBCore.cpp
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0bd6a2d20fb9664255b20e0db11dd4586ebe9007
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This allows users to create subclasses.
Closes: #947
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This removes the need for doing an extra pointer dereference on every
access to the buffers, shrinking the code by around 100 bytes.
The members for these buffers must be public for now, since the
interrupt handlers also need to access them. These can later be made
private again.
Furthermore, the struct ring_buffer was removed. This allows the all
head and tail pointers to be put into the HardwareSerial struct before
the actual buffers, so the pointers all end up in the first 32 bytes of
the struct that can be accessed using a single instruction (ldd).
References: #947
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Since the buffers aren't bigger than 64 bytes, these values can be
smaller. This saves a few bytes of ram, but also saves around 50 bytes
of program space, since the values can now be loaded using a single
instruction.
To prevent problems when people manually increase the buffer size, a
compile-time check is added.
Closes: #1078
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Added YunClient.connect() methods.
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Merge branch 'master' into ide-1.5.x
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