Age | Commit message (Collapse) | Author |
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Print::write(const uint8_t *buffer, size_t size) and Print::print(const
__FlashStringHelper *ifsh) would continue calling write(char) after a
failed write(char) this behavior would render returned count unuseable
see arduino/Arduino issue #3614
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This makes the CDC "Serial" object on the Leonardo and similar boards
support this recently introduced method as well. The CDC code in the sam
core is not changed.
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end() already waited for the buffer to be empty, but then there could
still be two bytes in the hardware registers that still need to be
transmitted (which were dropped or kept in the buffer, depending on the
exact timing).
This changes the wait loop to a call to the flush() function, which
already takes care of really waiting for all bytes to be transmitted,
meaning it is safe to turn off the transmitter.
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This allows detecting when the USB host sends a break request and what
the value of the request was. See the comments in USBAPI.h for details.
This just modifies the avr core, not the sam core.
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This allows a sketch to find out the settings chosen by the USB host
(computer) and act accordingly.
Other than reading the DTR flag and checking if the baudrate is 1200,
the regular CDC code doesn't actually use any of these settings.
By exposing these settings to the sketch, it can for example copy them
to the hardware UART, turning the Leonardo into a proper USB-to-serial
device. This can be useful to let the computer directly talk to whatever
device is connected to the hardware serial port (like an XBee module).
The Teensy core already supported these methods. This code was
independently developed, but the method names were chosen to match the
Teensy code, for compatibility (except that `dtr()` and `rtr()` return
`bool`, while the Teensy version return a `uint8_t`).
This change is applied to both the avr and sam cores, which have a very
similar CDC implementation.
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and restore it in case of aborted reboot
use RAMEND-1 as suggested by @yyyc514 in PR #2474
of course it's not a real solution but we cannot force everyone to update the bootloader using an external programmer
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was really too common
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this is a rework of commit fbcf94801b8bba7f1c8c79cc7ae402b6b9dbb2d3
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thanks @matthijskooijman
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override this function to insert additional USB endpoints
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Gcc 4.8 defines __cplusplus as 201103L, so we can check for that now. It
still also defines __GXX_EXPERIMENTAL_CXX0X__, but this could help on
other compilers, or if gcc ever decides to stop defining the
experimental macro.
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Properly supporting bigger buffers need better atomicity code, which
isn't implemented yet. Until it is, best to add a warning. See #2405.
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return 0 if timeout has been reached
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pulseInLong is suitable for long pulses in interrupt context
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this assembly code was generated by avr-gcc 4.8.3
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This reverts commit 8ddc5198f6ef8b2816a61b7b0fcce99f927d11a0.
To be substituted by ASM generated code
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Modified randomSeed, now uses unsigned long.
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Println optimize
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Check if INT2 is actually defined before issuing warning in detachInterrupt
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Fixed bug with HWSerial flushing
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This was caused after: https://github.com/arduino/Arduino/pull/3221
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1Mhz is a default clock speed on Atmega328, many users run it on the
internal 1Mhz clock to save battery power. Up until now
delayMicroseconds() function wasn't taking this frequencies into an
account.
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