SSD1306 OLED display driver 1.7.8 This library is developed to control SSD1306/SSD1331/SSD1351/IL9163/PCD8554 RGB i2c/spi LED displays

lcd_pcd8544.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 "lcd_pcd8544.h"
26 #include "lcd_common.h"
27 #include "pcd8544_commands.h"
28 #include "intf/ssd1306_interface.h"
29 #include "intf/spi/ssd1306_spi.h"
30 #include "ssd1306_hal/io.h"
31 #ifdef SDL_EMULATION
32 #include "sdl_core.h"
33 #endif
34
35
36 static const uint8_t PROGMEM s_lcd84x48_initData[] =
37 {
38 #ifdef SDL_EMULATION
39 SDL_LCD_PCD8544,
40 0x00,
41 #endif
42 PCD8544_FUNCTIONSET | PCD8544_EXTENDEDINSTRUCTION, // switch to extented commands
43 PCD8544_SETVOP | 0x16, // Set vop contrast
44 PCD8544_SETTEMP,
45 PCD8544_SETBIAS | 0x04, // Set bias mode
46 PCD8544_FUNCTIONSET, // switch to basic commands
47 PCD8544_DISPLAYCONTROL | PCD8544_DISPLAYNORMAL
48 };
49
50 static uint8_t s_column;
51 static uint8_t s_page;
52 static uint8_t s_width;
53
54 static void pcd8544_setBlock(lcduint_t x, lcduint_t y, lcduint_t w)
55 {
56 s_width = w;
57 s_column = x;
58 s_page = y;
59 ssd1306_intf.start();
60 ssd1306_spiDataMode(0);
61 if (w == 1) ssd1306_intf.send( 0x22 ); else ssd1306_intf.send( 0x20 );
62 ssd1306_intf.send(0x80 | x);
63 ssd1306_intf.send(0x40 | y);
64 ssd1306_spiDataMode(1);
65 }
66
67 static void pcd8544_nextPage(void)
68 {
69 if ( s_width != 1)
70 {
71 ssd1306_intf.stop();
72 pcd8544_setBlock(s_column, s_page+1, s_width);
73 }
74 }
75
76 static void pcd8544_setMode(lcd_mode_t mode)
77 {
78 }
79
80 void pcd8544_84x48_init()
81 {
82 ssd1306_lcd.type = LCD_TYPE_PCD8544;
83 ssd1306_lcd.width = 84;
84 ssd1306_lcd.height = 48;
85 ssd1306_intf.start();
86 ssd1306_spiDataMode(0);
87 ssd1306_lcd.set_block = pcd8544_setBlock;
88 ssd1306_lcd.next_page = pcd8544_nextPage;
89 ssd1306_lcd.send_pixels1 = ssd1306_intf.send;
90 ssd1306_lcd.send_pixels_buffer1 = ssd1306_intf.send_buffer;
91 ssd1306_lcd.set_mode = pcd8544_setMode;
92
93 for( uint8_t i=0; i<sizeof(s_lcd84x48_initData); i++)
94 {
95 ssd1306_intf.send(pgm_read_byte(&s_lcd84x48_initData[i]));
96 }
97 ssd1306_intf.stop();
98 }
99
100 void pcd8544_84x48_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
101 {
102 if (rstPin >=0)
103 {
104 ssd1306_resetController( rstPin, 1 );
105 }
106 ssd1306_spiInit(cesPin, dcPin);
107 pcd8544_84x48_init();
108 }
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
pcd8544_commands.h
LCD_TYPE_PCD8544
Definition: lcd_common.h:55
io.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
pcd8544_84x48_spi_init
void pcd8544_84x48_spi_init(int8_t rstPin, int8_t cesPin, int8_t dcPin)
Definition: lcd_pcd8544.c:100
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:82
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
lcd_pcd8544.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:32
ssd1306_intf
ssd1306_interface_t ssd1306_intf
Definition: ssd1306_interface.c:29
ssd1306_lcd_t::height
lcduint_t height
Definition: lcd_common.h:97
ssd1306_interface.h
pcd8544_84x48_init
void pcd8544_84x48_init()
Inits 84x48 LED display (based on PCD8544 controller).
Definition: lcd_pcd8544.c:80
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:157