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

ssd1306_interface.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 "ssd1306_interface.h"
26 #include "spi/ssd1306_spi.h"
27 #include <stddef.h>
28
29 ssd1306_interface_t ssd1306_intf = {0};
30
31 void ssd1306_commandStart(void)
32 {
33 ssd1306_intf.start();
34 if (ssd1306_intf.spi)
35 ssd1306_spiDataMode(0);
36 else
37 ssd1306_intf.send(0x00);
38 }
39
40 void ssd1306_dataStart(void)
41 {
42 ssd1306_intf.start();
43 if (ssd1306_intf.spi)
44 ssd1306_spiDataMode(1);
45 else
46 ssd1306_intf.send(0x40);
47 }
48
49 void ssd1306_sendCommand(uint8_t command)
50 {
51 ssd1306_commandStart();
52 ssd1306_intf.send(command);
53 ssd1306_intf.stop();
54 }
55
ssd1306_interface_t::send
void(* send)(uint8_t data)
Definition: ssd1306_interface.h:70
ssd1306_interface_t::stop
void(* stop)(void)
Definition: ssd1306_interface.h:65
ssd1306_dataStart
void ssd1306_dataStart(void)
Definition: ssd1306_interface.c:40
ssd1306_spiDataMode
void ssd1306_spiDataMode(uint8_t mode)
Definition: ssd1306_spi.c:50
ssd1306_interface_t
Definition: ssd1306_interface.h:52
ssd1306_spi.h
ssd1306_interface_t::start
void(* start)(void)
Definition: ssd1306_interface.h:61
ssd1306_intf
ssd1306_interface_t ssd1306_intf
Definition: ssd1306_interface.c:29
ssd1306_interface.h
ssd1306_interface_t::spi
uint8_t spi
Definition: ssd1306_interface.h:57
ssd1306_commandStart
void ssd1306_commandStart(void)
Definition: ssd1306_interface.c:31
ssd1306_sendCommand
void ssd1306_sendCommand(uint8_t command)
Definition: ssd1306_interface.c:49