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| author | John Holman <john.g.holman@gmail.com> | 2017-10-24 22:18:38 +0100 |
|---|---|---|
| committer | Martino Facchin <m.facchin@arduino.cc> | 2017-11-13 17:46:47 +0100 |
| commit | d50e59781ecfd80a366cd0bb0b30374b1536247a (patch) | |
| tree | bf8b8b8a9700b5c5913937a1ed83712f1339568e /firmwares/atmegaxxu2/arduino-usbserial/Genuino-usbserial-atmega16u2-Uno-R3.hex | |
| parent | f1c4cc631620f6486706a06580011a2e0dbd77e5 (diff) | |
Create macro to guard critical sections for large transmit buffers
New macro TX_BUFFER_ATOMIC makes the following code block atomic
only if the transmit buffer is larger than 256 bytes. SREG is restored
on completion.
The macro is then used to simplify code for availableForWrite()
Diffstat (limited to 'firmwares/atmegaxxu2/arduino-usbserial/Genuino-usbserial-atmega16u2-Uno-R3.hex')
0 files changed, 0 insertions, 0 deletions