Skip to content

HardwareSerial: set TXC0 bit when MPCM0 is undefined #603

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
+4 −4
Open

HardwareSerial: set TXC0 bit when MPCM0 is undefined #603

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 4 additions & 4 deletions cores/arduino/HardwareSerial.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -101,9 +101,9 @@ void HardwareSerial::_tx_udr_empty_irq(void)
// written to the rest.

#ifdef MPCM0
*_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << MPCM0))) | (1 << TXC0);
*_ucsra = (1 << TXC0) | ((*_ucsra) & ((1 << U2X0) | (1 << MPCM0)));
#else
*_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << TXC0)));
*_ucsra = (1 << TXC0) | ((*_ucsra) & ((1 << U2X0)));
#endif

if (_tx_buffer_head == _tx_buffer_tail) {
Expand Down Expand Up @@ -241,9 +241,9 @@ size_t HardwareSerial::write(uint8_t c)
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
*_udr = c;
#ifdef MPCM0
*_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << MPCM0))) | (1 << TXC0);
*_ucsra = (1 << TXC0) | ((*_ucsra) & ((1 << U2X0) | (1 << MPCM0)));
#else
*_ucsra = ((*_ucsra) & ((1 << U2X0) | (1 << TXC0)));
*_ucsra = (1 << TXC0) | ((*_ucsra) & ((1 << U2X0)));
#endif
}
return 1;
Expand Down
Loading