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auto-plow / fc04b5f

A wheelchair motor-propelled battery-powered ESP32-driven remote control snow plow.

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630 Nov 2018 18:364a63c8cInclude Arduino core filesJoshua1690N

Blob @ auto-plow / include / arduino / HardwareSerial1.cpp

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1/*
2 HardwareSerial1.cpp - Hardware serial library for Wiring
3 Copyright (c) 2006 Nicholas Zambetti. All right reserved.
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Modified 23 November 2006 by David A. Mellis
20 Modified 28 September 2010 by Mark Sproul
21 Modified 14 August 2012 by Alarus
22 Modified 3 December 2013 by Matthijs Kooijman
23*/
24
25#include "Arduino.h"
26#include "HardwareSerial.h"
27#include "HardwareSerial_private.h"
28
29// Each HardwareSerial is defined in its own file, sine the linker pulls
30// in the entire file when any element inside is used. --gc-sections can
31// additionally cause unused symbols to be dropped, but ISRs have the
32// "used" attribute so are never dropped and they keep the
33// HardwareSerial instance in as well. Putting each instance in its own
34// file prevents the linker from pulling in any unused instances in the
35// first place.
36
37#if defined(HAVE_HWSERIAL1)
38
39#if defined(UART1_RX_vect)
40ISR(UART1_RX_vect)
41#elif defined(USART1_RX_vect)
42ISR(USART1_RX_vect)
43#else
44#error "Don't know what the Data Register Empty vector is called for Serial1"
45#endif
46{
47 Serial1._rx_complete_irq();
48}
49
50#if defined(UART1_UDRE_vect)
51ISR(UART1_UDRE_vect)
52#elif defined(USART1_UDRE_vect)
53ISR(USART1_UDRE_vect)
54#else
55#error "Don't know what the Data Register Empty vector is called for Serial1"
56#endif
57{
58 Serial1._tx_udr_empty_irq();
59}
60
61HardwareSerial Serial1(&UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1);
62
63// Function that can be weakly referenced by serialEventRun to prevent
64// pulling in this file if it's not otherwise used.
65bool Serial1_available() {
66 return Serial1.available();
67}
68
69#endif // HAVE_HWSERIAL1
70