SSD1306 OLED display driver 1.8.2 This library is developed to control SSD1306/SSD1331/SSD1351/IL9163/PCD8554 RGB i2c/spi LED displays

oled_sh1106.c
1 /*
2 MIT License
3
4 Copyright (c) 2017-2018, 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 #include "oled_sh1106.h"
26 #include "lcd_common.h"
27 #include "ssd1306_commands.h"
28 #include "intf/ssd1306_interface.h"
29 #include "intf/i2c/ssd1306_i2c.h"
30 #include "intf/spi/ssd1306_spi.h"
31 #include "ssd1306_hal/io.h"
32 #ifdef SDL_EMULATION
33 #include "sdl_core.h"
34 #endif
35
36
37 static const uint8_t PROGMEM s_oled128x64_initData[] =
38 {
39 #ifdef SDL_EMULATION
40 SDL_LCD_SH1106,
41 0x00,
42 #endif
43 SSD1306_DISPLAYOFF, // display off
44 SSD1306_COMSCANDEC, // Scan from 127 to 0 (Reverse scan)
45 SSD1306_SETSTARTLINE | 0x00, // First line to start scanning from
46 SSD1306_SETCONTRAST, 0x7F, // contast value to 0x7F according to datasheet
47 SSD1306_SEGREMAP | 0x01, // Use reverse mapping. 0x00 - is normal mapping
48 SSD1306_NORMALDISPLAY,
49 SSD1306_SETMULTIPLEX, 63, // Reset to default MUX. See datasheet
50 SSD1306_SETDISPLAYOFFSET, 0x00, // no offset
51 SSD1306_SETDISPLAYCLOCKDIV, 0x80,// set to default ratio/osc frequency
52 SSD1306_SETPRECHARGE, 0x22, // switch precharge to 0x22 // 0xF1
53 SSD1306_SETCOMPINS, 0x12, // set divide ratio
54 SSD1306_SETVCOMDETECT, 0x20, // vcom deselect to 0x20 // 0x40
55 SSD1306_CHARGEPUMP, 0x14, // Enable charge pump
56 SSD1306_DISPLAYALLON_RESUME,
57 SSD1306_DISPLAYON
58 };
59
60 static uint8_t s_column;
61 static uint8_t s_page;
62
63 static void sh1106_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
64 {
65 s_column = x;
66 s_page = y;
67 ssd1306_intf.start();
68 if (ssd1306_intf.spi)
69 ssd1306_spiDataMode(0);
70 else
71 ssd1306_intf.send(0x00);
72 ssd1306_intf.send(SSD1306_SETPAGE | y);
73 ssd1306_intf.send(((x+2)>>4) | SSD1306_SETHIGHCOLUMN);
74 ssd1306_intf.send(((x+2) & 0x0f) | SSD1306_SETLOWCOLUMN);
75 if (ssd1306_intf.spi)
76 {
77 ssd1306_spiDataMode(1);
78 }
79 else
80 {
81 ssd1306_intf.stop();
82 ssd1306_intf.start();
83 ssd1306_intf.send(0x40);
84 }
85 }
86
87 static void sh1106_nextPage(void)
88 {
89 ssd1306_intf.stop();
90 sh1106_setBlock(s_column,s_page+1,0);
91 }
92
93 static void sh1106_setMode(lcd_mode_t mode)
94 {
95 }
96
97 void sh1106_128x64_init()
98 {
99 ssd1306_lcd.type = LCD_TYPE_SH1106;
100 ssd1306_lcd.height = 64;
101 ssd1306_lcd.width = 128;
102 ssd1306_lcd.set_block = sh1106_setBlock;
103 ssd1306_lcd.next_page = sh1106_nextPage;
104 ssd1306_lcd.send_pixels1 = ssd1306_intf.send;
105 ssd1306_lcd.send_pixels_buffer1 = ssd1306_intf.send_buffer;
106 ssd1306_lcd.set_mode = sh1106_setMode;
107 for( uint8_t i=0; i<sizeof(s_oled128x64_initData); i++)
108 {
109 ssd1306_sendCommand(pgm_read_byte(&s_oled128x64_initData[i]));
110 }
111 }
112
113 void sh1106_128x64_i2c_init()
114 {
115 ssd1306_i2cInit();
116 sh1106_128x64_init();
117 }
118
119 void sh1106_128x64_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
120 {
121 if (rstPin >=0)
122 {
123 ssd1306_resetController( rstPin, 10 );
124 }
125 ssd1306_spiInit(cesPin, dcPin);
126 sh1106_128x64_init();
127 }
ssd1306_i2cInit
void ssd1306_i2cInit()
Definition: ssd1306_i2c.c:45
sh1106_128x64_init
void sh1106_128x64_init()
Inits 128x64 OLED display (based on SH1106 controller).
Definition: oled_sh1106.c:97
ssd1306_interface_t::send
void(* send)(uint8_t data)
Definition: ssd1306_interface.h:70
lcd_common.h
ssd1306_interface_t::stop
void(* stop)(void)
Definition: ssd1306_interface.h:65
ssd1306_lcd_t::set_block
void(* set_block)(lcduint_t x, lcduint_t y, lcduint_t w)
Sets block in RAM of lcd display controller to write data to.
Definition: lcd_common.h:114
io.h
ssd1306_i2c.h
ssd1306_spiDataMode
void ssd1306_spiDataMode(uint8_t mode)
Definition: ssd1306_spi.c:50
lcd_mode_t
lcd_mode_t
Definition: lcd_common.h:69
ssd1306_lcd_t::send_pixels_buffer1
void(* send_pixels_buffer1)(const uint8_t *buffer, uint16_t len)
Definition: lcd_common.h:135
ssd1306_resetController
void ssd1306_resetController(int8_t rstPin, uint8_t delayMs)
Does hardware reset for oled controller.
Definition: lcd_common.c:139
ssd1306_lcd_t::send_pixels1
void(* send_pixels1)(uint8_t data)
Definition: lcd_common.h:128
ssd1306_spi.h
ssd1306_interface_t::start
void(* start)(void)
Definition: ssd1306_interface.h:61
ssd1306_commands.h
ssd1306_spiInit
void ssd1306_spiInit(int8_t cesPin, int8_t dcPin)
Definition: ssd1306_spi.c:37
ssd1306_lcd
ssd1306_lcd_t ssd1306_lcd
Definition: lcd_common.c:33
ssd1306_intf
ssd1306_interface_t ssd1306_intf
Definition: ssd1306_interface.c:31
ssd1306_lcd_t::height
lcduint_t height
Definition: lcd_common.h:97
ssd1306_interface.h
ssd1306_interface_t::spi
uint8_t spi
Definition: ssd1306_interface.h:57
LCD_TYPE_SH1106
Definition: lcd_common.h:57
ssd1306_sendCommand
void ssd1306_sendCommand(uint8_t command)
Definition: ssd1306_interface.c:54
sh1106_128x64_spi_init
void sh1106_128x64_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
Inits 128x64 OLED display over spi (based on SH1106 controller).
Definition: oled_sh1106.c:119
sh1106_128x64_i2c_init
void sh1106_128x64_i2c_init(void)
Inits 128x64 OLED display over i2c (based on SH1106 controller).
Definition: oled_sh1106.c:113
ssd1306_interface_t::send_buffer
void(* send_buffer)(const uint8_t *buffer, uint16_t size)
Sends bytes to SSD1306 device.
Definition: ssd1306_interface.h:80
ssd1306_lcd_t::next_page
void(* next_page)(void)
Definition: lcd_common.h:122
ssd1306_lcd_t::width
lcduint_t width
Definition: lcd_common.h:94
ssd1306_lcd_t::type
lcd_type_t type
Definition: lcd_common.h:91
ssd1306_lcd_t::set_mode
void(* set_mode)(lcd_mode_t mode)
Sets library display mode for direct draw functions.
Definition: lcd_common.h:164
oled_sh1106.h