SSD1306 OLED display driver  1.6.99
This library is developed to control SSD1306/SSD1331/SSD1351/IL9163/PCD8554 RGB i2c/spi LED displays
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 
25 /*
26  * @file ssd1306_hal/template/io.h This is template file for new platform with detailed instructions
27  */
28 
29 #ifndef _SSD1306_TEMPLATE_IO_H_
30 #define _SSD1306_TEMPLATE_IO_H_
31 
32 //========================== I. Include libraries =========================
33 /* 1. Include all required headers, specific for your platform here */
34 #include <stdint.h>
35 #include <stdlib.h>
36 #include <string.h>
37 
38 #define LOW 0
39 #define HIGH 1
40 #define INPUT 0
41 #define OUTPUT 1
42 /* Progmem attribute for data, located in Flash */
43 #define PROGMEM
44 
45 //========================== II. Define options ===========================
46 /* 2. Uncomment all options, you have support for on your platform *
47  * Remember that you will need to implement low level intf/i2c or *
48  * intf/spi layers for your platform */
49 
50 //#define CONFIG_SOFTWARE_I2C_AVAILABLE
51 //#define CONFIG_TWI_I2C_AVAILABLE
52 //#define CONFIG_ARDUINO_WIRE_LIBRARY_AVAILABLE
53 //#define CONFIG_AVR_SPI_AVAILABLE
54 //#define CONFIG_ARDUINO_SPI_LIBRARY_AVAILABLE
55 //#define CONFIG_AVR_UART_AVAILABLE
56 //#define CONFIG_VGA_AVAILABLE
57 
58 #ifdef __cplusplus
59 extern "C" {
60 #endif
61 
62 //========================== III. Implement functions =====================
63 /* Implement functions below the way you like. You can make them non-static */
64 // !!! MANDATORY !!!
65 static inline int digitalRead(int pin) // digitalRead()
66 {
67  return LOW;
68 }
69 
70 static inline void digitalWrite(int pin, int level) // digitalWrite()
71 {
72 }
73 
74 static inline void pinMode(int pin, int mode) // pinMode()
75 {
76 }
77 
78 static inline int analogRead(int pin) // analogRead()
79 {
80  return 0;
81 }
82 
83 static inline uint32_t millis(void) // millis()
84 {
85  return 0;
86 }
87 
88 static inline uint32_t micros(void) // micros()
89 {
90  return 0;
91 };
92 
93 static inline void delay(uint32_t ms) // delay()
94 {
95 }
96 
97 static inline void delayMicroseconds(uint32_t us) // delayMicroseconds()
98 {
99 }
100 
101 // !!! OPTIONAL !!!
102 static inline void randomSeed(int seed) // randomSeed() - can be skipped
103 {
104 }
105 
106 static inline void attachInterrupt(int pin, void (*interrupt)(), int level) // attachInterrupt() - can be skipped
107 {
108 }
109 
110 static inline uint8_t pgm_read_byte(const void *ptr) // pgm_read_byte() - can be skipped
111 {
112  return *((const uint8_t *)ptr);
113 }
114 
115 static inline uint16_t eeprom_read_word(const void *ptr) // eeprom_read_word() - can be skipped
116 {
117  return 0;
118 }
119 
120 static inline void eeprom_write_word(const void *ptr, uint16_t val) // eeprom_write_word() - can be skipped
121 {
122 }
123 
124 static inline char *utoa(unsigned int num, char *str, int radix) // util utoa() - can be skipped
125 {
126  *str = '\0';
127  return str;
128 }
129 
130 #ifdef __cplusplus
131 }
132 #endif
133 
134 #ifdef __cplusplus
135 static inline int random(int max) // random(n) - can be skipped if you don't use it
136 {
137  return 0;
138 }
139 
140 static inline int random(int min, int max) // random(a,b) - can be skipped if you don't use it
141 {
142  return 0;
143 }
144 #endif
145 
146 #endif
147 
#define max(a, b)
#define min(a, b)