diff options
author | HampusM <hampus@hampusmat.com> | 2022-03-07 13:48:57 +0100 |
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committer | HampusM <hampus@hampusmat.com> | 2022-03-07 13:48:57 +0100 |
commit | 563f69b870a7f71026c50605b531ed40d667b0a2 (patch) | |
tree | f9dd8374cae6affb3b52d79e22823c78187b99ed /cores/xinput/HardwareSerial1.cpp | |
parent | f4a2dc0440d17e4c9e609e01e12fcd786d268cf7 (diff) |
Diffstat (limited to 'cores/xinput/HardwareSerial1.cpp')
-rw-r--r-- | cores/xinput/HardwareSerial1.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/cores/xinput/HardwareSerial1.cpp b/cores/xinput/HardwareSerial1.cpp new file mode 100644 index 0000000..a345cdb --- /dev/null +++ b/cores/xinput/HardwareSerial1.cpp @@ -0,0 +1,69 @@ +/* + HardwareSerial1.cpp - Hardware serial library for Wiring + Copyright (c) 2006 Nicholas Zambetti. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Modified 23 November 2006 by David A. Mellis + Modified 28 September 2010 by Mark Sproul + Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman +*/ + +#include "Arduino.h" +#include "HardwareSerial.h" +#include "HardwareSerial_private.h" + +// Each HardwareSerial is defined in its own file, since the linker pulls +// in the entire file when any element inside is used. --gc-sections can +// additionally cause unused symbols to be dropped, but ISRs have the +// "used" attribute so are never dropped and they keep the +// HardwareSerial instance in as well. Putting each instance in its own +// file prevents the linker from pulling in any unused instances in the +// first place. + +#if defined(HAVE_HWSERIAL1) + +#if defined(UART1_RX_vect) +ISR(UART1_RX_vect) +#elif defined(USART1_RX_vect) +ISR(USART1_RX_vect) +#else +#error "Don't know what the Data Register Empty vector is called for Serial1" +#endif +{ + Serial1._rx_complete_irq(); +} + +#if defined(UART1_UDRE_vect) +ISR(UART1_UDRE_vect) +#elif defined(USART1_UDRE_vect) +ISR(USART1_UDRE_vect) +#else +#error "Don't know what the Data Register Empty vector is called for Serial1" +#endif +{ + Serial1._tx_udr_empty_irq(); +} + +HardwareSerial Serial1(&UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1); + +// Function that can be weakly referenced by serialEventRun to prevent +// pulling in this file if it's not otherwise used. +bool Serial1_available() { + return Serial1.available(); +} + +#endif // HAVE_HWSERIAL1 |