AceButton 1.10.0 An adjustable, compact, event-driven button library for Arduino.

ButtonConfigFast2.h
1 /*
2 MIT License
3
4 Copyright (c) 2021 Brian T. Park
5
6 Permission is hereby granted, free of charge, to any person obtaining a copy
7 of this software and associated documentation files (the "Software"), to deal
8 in the Software without restriction, including without limitation the rights
9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 copies of the Software, and to permit persons to whom the Software is
11 furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in all
14 copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 SOFTWARE.
23 */
24
25 #ifndef ACE_BUTTON_BUTTON_CONFIG_FAST2_H
26 #define ACE_BUTTON_BUTTON_CONFIG_FAST2_H
27
28 #include "../ButtonConfig.h"
29
30 namespace ace_button {
31
41 template <uint8_t T_PIN0, uint8_t T_PIN1>
42 class ButtonConfigFast2 : public ButtonConfig {
43 public:
44 int readButton(uint8_t pin) override {
45 // Using nested if-else statements instead of switch saves 2 bytes of
46 // flash on an AVR. Not worth it.
47 switch (pin) {
48 case 0:
49 return digitalReadFast(T_PIN0);
50 break;
51 case 1:
52 return digitalReadFast(T_PIN1);
53 break;
54 default:
55 return 0;
56 break;
57 }
58 }
59 };
60
61 }
62 #endif
ace_button::ButtonConfigFast2
An implementation of ButtonConfig that uses digitalReadFast() instead of digitalRead() to support 2 b...
Definition: ButtonConfigFast2.h:42
ace_button::ButtonConfigFast2::readButton
int readButton(uint8_t pin) override
Return the HIGH or LOW state of the button.
Definition: ButtonConfigFast2.h:44
ace_button::ButtonConfig
Class that defines the timing parameters and event handler of an AceButton or a group of AceButton in...
Definition: ButtonConfig.h:66