SSD1306 OLED display driver  1.4.6
This library is developed to control SSD1306/SSD1331 RGB i2c/spi OLED displays and spi PCD8544 LED display
io.h
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_LINUX_IO_H_
30 #define _SSD1306_LINUX_IO_H_
31 
32 #if defined(__linux__) && !defined(ARDUINO)
33 
34 #include <stdint.h>
35 #include <unistd.h>
36 //#include <avr/io.h>
37 //#include <avr/interrupt.h>
38 //#include <avr/pgmspace.h>
39 //#include <avr/sleep.h>
40 //#include <util/delay.h>
41 
42 #define LOW 0
43 #define HIGH 1
44 #define INPUT 1
45 #define OUTPUT 0
46 #define PROGMEM
47 
48 #define SSD1306_LINUX_SUPPORTED
49 //#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
51 // #define SSD1306_I2C_SW_SUPPORTED
52 //#elif defined(__AVR_ATmega328P__)
54 // #define SSD1306_I2C_SW_SUPPORTED
56 //#else
58 // #define SSD1306_I2C_SW_SUPPORTED
60 // #define SSD1306_TWI_SUPPORTED
61 //#endif
62 
63 static inline void digitalWrite(int pin, int level) {};
64 static inline int digitalRead(int pin) { return LOW; };
65 static inline void pinMode(int pin, int mode) {};
66 static inline void delay(unsigned long ms) { usleep(ms*1000); };
67 static inline int analogRead(int pin) { return 0; };
68 static inline uint32_t millis() { return 0; };
69 static inline void randomSeed(int seed) { };
70 static inline void attachInterrupt(int pin, void (*interrupt)(), int level) { };
71 static inline uint8_t pgm_read_byte(const void *ptr) { return *((const uint8_t *)ptr); };
72 
73 #ifdef __cplusplus
74 static inline int random(int max) { return 0; };
75 static inline int random(int min, int max) { return 0; };
76 #endif
77 
78 #endif
79 
80 #endif
81 
#define max(a, b)
#define min(a, b)