upm  0.1.8
Sensor/Actuator repository for libmraa (v0.4.5)
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ssd1308.h
1 /*
2  * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3  * Copyright (c) 2014 Intel Corporation.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #pragma once
26 
27 #include <string>
28 #include "i2clcd.h"
29 
30 namespace upm {
31 
32 #define DISPLAY_CMD_OFF 0xAE
33 #define DISPLAY_CMD_ON 0xAF
34 
35 #define BASE_LOW_COLUMN_ADDR 0x00
36 #define BASE_HIGH_COLUMN_ADDR 0x10
37 #define BASE_PAGE_START_ADDR 0xB0
38 #define DISPLAY_CMD_MEM_ADDR_MODE 0x20
39 
40 #define DISPLAY_CMD_SET_NORMAL 0xA6
41 
42 const uint8_t BasicFont[][8] =
43 {
44  {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
45  {0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00},
46  {0x00,0x00,0x07,0x00,0x07,0x00,0x00,0x00},
47  {0x00,0x14,0x7F,0x14,0x7F,0x14,0x00,0x00},
48  {0x00,0x24,0x2A,0x7F,0x2A,0x12,0x00,0x00},
49  {0x00,0x23,0x13,0x08,0x64,0x62,0x00,0x00},
50  {0x00,0x36,0x49,0x55,0x22,0x50,0x00,0x00},
51  {0x00,0x00,0x05,0x03,0x00,0x00,0x00,0x00},
52  {0x00,0x1C,0x22,0x41,0x00,0x00,0x00,0x00},
53  {0x00,0x41,0x22,0x1C,0x00,0x00,0x00,0x00},
54  {0x00,0x08,0x2A,0x1C,0x2A,0x08,0x00,0x00},
55  {0x00,0x08,0x08,0x3E,0x08,0x08,0x00,0x00},
56  {0x00,0xA0,0x60,0x00,0x00,0x00,0x00,0x00},
57  {0x00,0x08,0x08,0x08,0x08,0x08,0x00,0x00},
58  {0x00,0x60,0x60,0x00,0x00,0x00,0x00,0x00},
59  {0x00,0x20,0x10,0x08,0x04,0x02,0x00,0x00},
60  {0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00},
61  {0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00},
62  {0x00,0x62,0x51,0x49,0x49,0x46,0x00,0x00},
63  {0x00,0x22,0x41,0x49,0x49,0x36,0x00,0x00},
64  {0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00},
65  {0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00},
66  {0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00},
67  {0x00,0x01,0x71,0x09,0x05,0x03,0x00,0x00},
68  {0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00},
69  {0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00},
70  {0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00},
71  {0x00,0x00,0xAC,0x6C,0x00,0x00,0x00,0x00},
72  {0x00,0x08,0x14,0x22,0x41,0x00,0x00,0x00},
73  {0x00,0x14,0x14,0x14,0x14,0x14,0x00,0x00},
74  {0x00,0x41,0x22,0x14,0x08,0x00,0x00,0x00},
75  {0x00,0x02,0x01,0x51,0x09,0x06,0x00,0x00},
76  {0x00,0x32,0x49,0x79,0x41,0x3E,0x00,0x00},
77  {0x00,0x7E,0x09,0x09,0x09,0x7E,0x00,0x00},
78  {0x00,0x7F,0x49,0x49,0x49,0x36,0x00,0x00},
79  {0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00},
80  {0x00,0x7F,0x41,0x41,0x22,0x1C,0x00,0x00},
81  {0x00,0x7F,0x49,0x49,0x49,0x41,0x00,0x00},
82  {0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00},
83  {0x00,0x3E,0x41,0x41,0x51,0x72,0x00,0x00},
84  {0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00},
85  {0x00,0x41,0x7F,0x41,0x00,0x00,0x00,0x00},
86  {0x00,0x20,0x40,0x41,0x3F,0x01,0x00,0x00},
87  {0x00,0x7F,0x08,0x14,0x22,0x41,0x00,0x00},
88  {0x00,0x7F,0x40,0x40,0x40,0x40,0x00,0x00},
89  {0x00,0x7F,0x02,0x0C,0x02,0x7F,0x00,0x00},
90  {0x00,0x7F,0x04,0x08,0x10,0x7F,0x00,0x00},
91  {0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00},
92  {0x00,0x7F,0x09,0x09,0x09,0x06,0x00,0x00},
93  {0x00,0x3E,0x41,0x51,0x21,0x5E,0x00,0x00},
94  {0x00,0x7F,0x09,0x19,0x29,0x46,0x00,0x00},
95  {0x00,0x26,0x49,0x49,0x49,0x32,0x00,0x00},
96  {0x00,0x01,0x01,0x7F,0x01,0x01,0x00,0x00},
97  {0x00,0x3F,0x40,0x40,0x40,0x3F,0x00,0x00},
98  {0x00,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00},
99  {0x00,0x3F,0x40,0x38,0x40,0x3F,0x00,0x00},
100  {0x00,0x63,0x14,0x08,0x14,0x63,0x00,0x00},
101  {0x00,0x03,0x04,0x78,0x04,0x03,0x00,0x00},
102  {0x00,0x61,0x51,0x49,0x45,0x43,0x00,0x00},
103  {0x00,0x7F,0x41,0x41,0x00,0x00,0x00,0x00},
104  {0x00,0x02,0x04,0x08,0x10,0x20,0x00,0x00},
105  {0x00,0x41,0x41,0x7F,0x00,0x00,0x00,0x00},
106  {0x00,0x04,0x02,0x01,0x02,0x04,0x00,0x00},
107  {0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00},
108  {0x00,0x01,0x02,0x04,0x00,0x00,0x00,0x00},
109  {0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00},
110  {0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00},
111  {0x00,0x38,0x44,0x44,0x28,0x00,0x00,0x00},
112  {0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00},
113  {0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00},
114  {0x00,0x08,0x7E,0x09,0x02,0x00,0x00,0x00},
115  {0x00,0x18,0xA4,0xA4,0xA4,0x7C,0x00,0x00},
116  {0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00},
117  {0x00,0x00,0x7D,0x00,0x00,0x00,0x00,0x00},
118  {0x00,0x80,0x84,0x7D,0x00,0x00,0x00,0x00},
119  {0x00,0x7F,0x10,0x28,0x44,0x00,0x00,0x00},
120  {0x00,0x41,0x7F,0x40,0x00,0x00,0x00,0x00},
121  {0x00,0x7C,0x04,0x18,0x04,0x78,0x00,0x00},
122  {0x00,0x7C,0x08,0x04,0x7C,0x00,0x00,0x00},
123  {0x00,0x38,0x44,0x44,0x38,0x00,0x00,0x00},
124  {0x00,0xFC,0x24,0x24,0x18,0x00,0x00,0x00},
125  {0x00,0x18,0x24,0x24,0xFC,0x00,0x00,0x00},
126  {0x00,0x00,0x7C,0x08,0x04,0x00,0x00,0x00},
127  {0x00,0x48,0x54,0x54,0x24,0x00,0x00,0x00},
128  {0x00,0x04,0x7F,0x44,0x00,0x00,0x00,0x00},
129  {0x00,0x3C,0x40,0x40,0x7C,0x00,0x00,0x00},
130  {0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00},
131  {0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00},
132  {0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00},
133  {0x00,0x1C,0xA0,0xA0,0x7C,0x00,0x00,0x00},
134  {0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00},
135  {0x00,0x08,0x36,0x41,0x00,0x00,0x00,0x00},
136  {0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00},
137  {0x00,0x41,0x36,0x08,0x00,0x00,0x00,0x00},
138  {0x00,0x02,0x01,0x01,0x02,0x01,0x00,0x00},
139  {0x00,0x02,0x05,0x05,0x02,0x00,0x00,0x00}
140 };
141 
142 typedef enum {
143  HORIZONTAL = 0,
144  VERTICAL = 1,
145  PAGE = 2
146 } displayAddressingMode;
147 
161 class SSD1308 : public I2CLcd {
162  public:
169  SSD1308 (int bus, int address);
173  ~SSD1308 ();
182  mraa_result_t draw(uint8_t *data, int bytes);
190  mraa_result_t write(std::string msg);
198  mraa_result_t setCursor(int row, int column);
204  mraa_result_t clear();
210  mraa_result_t home();
211  private:
212  mraa_result_t writeChar (mraa_i2c_context ctx, uint8_t value);
213  mraa_result_t setNormalDisplay ();
214  mraa_result_t setAddressingMode (displayAddressingMode mode);
215  };
216 }
SSD1308(int bus, int address)
Definition: ssd1308.cxx:32
~SSD1308()
Definition: ssd1308.cxx:44
C++ API for SSD1308 i2c controlled OLED displays.
Definition: ssd1308.h:161
Definition: i2clcd.h:75
mraa_result_t write(std::string msg)
Definition: ssd1308.cxx:66
mraa_result_t clear()
Definition: ssd1308.cxx:90
mraa_result_t setCursor(int row, int column)
Definition: ssd1308.cxx:79
mraa_result_t home()
Definition: ssd1308.cxx:110
mraa_result_t draw(uint8_t *data, int bytes)
Definition: ssd1308.cxx:49