SSD1306 OLED display driver  1.4.12
This library is developed to control SSD1306/SSD1331 RGB i2c/spi OLED displays and spi PCD8544 LED display
io.h
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1 /*
2  MIT License
3 
4  Copyright (c) 2018, Alexey Dynda
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 
29 #ifndef _SSD1306_AVR_IO_H_
30 #define _SSD1306_AVR_IO_H_
31 
32 #if defined(__AVR__) && !defined(ARDUINO)
33 #include <avr/io.h>
34 #include <avr/interrupt.h>
35 #include <avr/pgmspace.h>
36 #include <avr/sleep.h>
37 #include <avr/eeprom.h>
38 #include <util/delay.h>
39 #include <stdint.h>
40 #include <stdlib.h>
41 
42 #define LOW 0
43 #define HIGH 1
44 #define INPUT 0
45 #define OUTPUT 1
46 
47 #if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
48 
49  #define SSD1306_I2C_SW_SUPPORTED
50 
51  #define SSD1306_USI_SPI_SUPPORTED
52  #define LCDINT_TYPES_DEFINED
53  typedef int8_t lcdint_t;
54  typedef uint8_t lcduint_t;
55 #elif defined(__AVR_ATmega328P__)
56 
57  #define SSD1306_I2C_SW_SUPPORTED
58 
59  #define SSD1306_TWI_SUPPORTED
60 
61  #define SSD1306_AVR_SPI_SUPPORTED
62 #else
63 
64  #define SSD1306_I2C_SW_SUPPORTED
65 
66  #define SSD1306_TWI_SUPPORTED
67 
68  #define SSD1306_AVR_SPI_SUPPORTED
69 #endif
70 
71 #ifdef __cplusplus
72 extern "C" {
73 #endif
74 
75 void digitalWrite(int pin, int level);
76 static inline int digitalRead(int pin) { return LOW; };
77 void pinMode(int pin, int mode);
78 static inline void delay(unsigned long ms) { _delay_ms(ms); };
79 static inline void delayMicroseconds(unsigned long us) { _delay_us(us); };
80 static inline int analogRead(int pin) { return 0; };
81 static inline uint32_t millis() { return 0; };
82 static inline void randomSeed(int seed) { };
83 static inline void attachInterrupt(int pin, void (*interrupt)(), int level) { };
84 
85 #ifdef __cplusplus
86 }
87 #endif
88 
89 #ifdef __cplusplus
90 static inline int random(int max) { return 0; };
91 static inline int random(int min, int max) { return 0; };
92 #endif
93 
94 #endif
95 
96 #endif
97 
unsigned int lcduint_t
Definition: io.h:42
#define max(a, b)
#define min(a, b)
int lcdint_t
Definition: io.h:40