SSD1306 OLED display driver 1.7.8 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/mingw/io.h SSD1306 MINGW IO communication functions
27 */
28
29 #ifndef _SSD1306_MINGW_IO_H_
30 #define _SSD1306_MINGW_IO_H_
31
32 // Use the same library interface as for Linux
33 #define CONFIG_PLATFORM_I2C_AVAILABLE
34 #define CONFIG_PLATFORM_SPI_AVAILABLE
35
36 #if defined(SDL_EMULATION) // SDL Emulation mode includes
37 #include "sdl_core.h"
38 #endif
39
40 #include <windows.h>
41 #include <stdint.h>
42 #include <unistd.h>
43 #include "sdl_core.h"
44 #include <time.h>
45 #include <string.h>
46
48 #define LOW 0
49 #define HIGH 1
50 #define INPUT 1
51 #define OUTPUT 0
52
53 #define PROGMEM
54
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58
59 static inline int digitalRead(int pin) { return sdl_read_digital(pin); };
60 static inline void delay(unsigned long ms) { Sleep(ms); };
61 static inline void delayMicroseconds(unsigned long us) { Sleep((us+500)/1000); };
62 static inline uint32_t millis(void)
63 {
64 return GetTickCount();
65 };
66
67 static inline uint32_t micros(void)
68 {
69 return GetTickCount()*1000;
70 };
71
72 #if defined(SDL_EMULATION)
73 static inline int analogRead(int pin) { return sdl_read_analog(pin); };
74 static inline void digitalWrite(int pin, int level) { sdl_write_digital(pin, level); };
75 static inline void pinMode(int pin, int mode) { };
76 #endif
77
78 static inline void randomSeed(int seed) { };
79 static inline void attachInterrupt(int pin, void (*interrupt)(void), int level) { };
80 static inline uint8_t pgm_read_byte(const void *ptr) { return *((const uint8_t *)ptr); };
81 static inline uint16_t eeprom_read_word(const void *ptr) { return 0; };
82 static inline void eeprom_write_word(const void *ptr, uint16_t val) { };
83
84 static inline char *utoa(unsigned int num, char *str, int radix)
85 {
86 char temp[17]; //an int can only be 16 bits long
87 //at radix 2 (binary) the string
88 //is at most 16 + 1 null long.
89 int temp_loc = 0;
90 int digit;
91 int str_loc = 0;
92
93 //construct a backward string of the number.
94 do {
95 digit = (unsigned int)num % radix;
96 if (digit < 10)
97 temp[temp_loc++] = digit + '0';
98 else
99 temp[temp_loc++] = digit - 10 + 'A';
100 num = ((unsigned int)num) / radix;
101 } while ((unsigned int)num > 0);
102
103 temp_loc--;
104
105
106 //now reverse the string.
107 while ( temp_loc >=0 ) {// while there are still chars
108 str[str_loc++] = temp[temp_loc--];
109 }
110 str[str_loc] = 0; // add null termination.
111
112 return str;
113 }
114
115 #ifdef __cplusplus
116 }
117 #endif
118
119 #ifdef __cplusplus
120 #include <cstdlib>
121 static inline long random(long v)
122 {
123 return rand() % v;
124 }
125
126 static inline long random(long min, long max)
127 {
128 return rand() % (max - min + 1) + min;
129 }
130 #endif
131
132 #endif
133
max
#define max(a, b)
Definition: nano_gfx_types.h:40
min
#define min(a, b)
Definition: nano_gfx_types.h:35