LCDGFX LCD display driver  2.0.1
This library is developed to control SSD1306/SSD1325/SSD1327/SSD1331/SSD1351/IL9163/PCD8554 RGB i2c/spi LED displays
interface.c
1 /*
2  MIT License
3 
4  Copyright (c) 2017-2019, 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 "io.h"
26 #include <stddef.h>
27 
28 int8_t s_ssd1306_cs = 4;
29 int8_t s_ssd1306_dc = 5;
30 uint32_t s_ssd1306_spi_clock = 8000000;
31 
32 static void ssd1306_send_buffer_generic(const uint8_t* buffer, uint16_t size);
33 
35 {
36  .send_buffer = ssd1306_send_buffer_generic
37 };
38 
39 void ssd1306_spiDataMode(uint8_t mode)
40 {
41  if (s_ssd1306_dc)
42  {
44  }
45 }
46 
48 {
49  ssd1306_intf.start();
50  if (ssd1306_intf.spi)
52  else
53  ssd1306_intf.send(0x00);
54 }
55 
57 {
58  ssd1306_intf.start();
59  if (ssd1306_intf.spi)
61  else
62  ssd1306_intf.send(0x40);
63 }
64 
65 void ssd1306_sendCommand(uint8_t command)
66 {
68  ssd1306_intf.send(command);
69  ssd1306_intf.stop();
70 }
71 
72 void ssd1306_send_buffer_generic(const uint8_t* buffer, uint16_t size)
73 {
74  while (size--)
75  {
76  ssd1306_intf.send(*buffer);
77  buffer++;
78  }
79 }
int8_t s_ssd1306_dc
Definition: interface.c:29
void(* send)(uint8_t data)
Definition: interface.h:154
void lcd_gpioWrite(int pin, int level)
void(* stop)(void)
Definition: interface.h:149
void ssd1306_dataStart(void)
Definition: interface.c:56
uint32_t s_ssd1306_spi_clock
Definition: interface.c:30
void ssd1306_spiDataMode(uint8_t mode)
Definition: interface.c:39
void(* start)(void)
Definition: interface.h:145
#define LCD_LOW
Definition: io.h:140
ssd1306_interface_t ssd1306_intf
Definition: interface.c:34
void ssd1306_commandStart(void)
Definition: interface.c:47
void ssd1306_sendCommand(uint8_t command)
Definition: interface.c:65
void(* send_buffer)(const uint8_t *buffer, uint16_t size)
Sends bytes to SSD1306 device.
Definition: interface.h:164
#define LCD_HIGH
Definition: io.h:142
int8_t s_ssd1306_cs
Definition: interface.c:28