driver/ssd1306_oled.c

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/**
* @file ssd1306_oled.c
* @author xushenghao
* @brief 0.96 SSD1306 OLED display driver
* @version 0.1
* @note PB13-SCK PB12-SDA
*/
#include "ssd1306_oled.h"
#include "string.h"
/************************************6*8的点阵************************************/
const uint8_t F6x8[][6] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // sp
0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, // !
0x00, 0x00, 0x07, 0x00, 0x07, 0x00, // "
0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14, // #
0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12, // $
0x00, 0x62, 0x64, 0x08, 0x13, 0x23, // %
0x00, 0x36, 0x49, 0x55, 0x22, 0x50, // &
0x00, 0x00, 0x05, 0x03, 0x00, 0x00, // '
0x00, 0x00, 0x1c, 0x22, 0x41, 0x00, // (
0x00, 0x00, 0x41, 0x22, 0x1c, 0x00, // )
0x00, 0x14, 0x08, 0x3E, 0x08, 0x14, // *
0x00, 0x08, 0x08, 0x3E, 0x08, 0x08, // +
0x00, 0x00, 0x00, 0xA0, 0x60, 0x00, // ,
0x00, 0x08, 0x08, 0x08, 0x08, 0x08, // -
0x00, 0x00, 0x60, 0x60, 0x00, 0x00, // .
0x00, 0x20, 0x10, 0x08, 0x04, 0x02, // /
0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
0x00, 0x00, 0x42, 0x7F, 0x40, 0x00, // 1
0x00, 0x42, 0x61, 0x51, 0x49, 0x46, // 2
0x00, 0x21, 0x41, 0x45, 0x4B, 0x31, // 3
0x00, 0x18, 0x14, 0x12, 0x7F, 0x10, // 4
0x00, 0x27, 0x45, 0x45, 0x45, 0x39, // 5
0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
0x00, 0x01, 0x71, 0x09, 0x05, 0x03, // 7
0x00, 0x36, 0x49, 0x49, 0x49, 0x36, // 8
0x00, 0x06, 0x49, 0x49, 0x29, 0x1E, // 9
0x00, 0x00, 0x36, 0x36, 0x00, 0x00, // :
0x00, 0x00, 0x56, 0x36, 0x00, 0x00, // ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00, // <
0x00, 0x14, 0x14, 0x14, 0x14, 0x14, // =
0x00, 0x00, 0x41, 0x22, 0x14, 0x08, // >
0x00, 0x02, 0x01, 0x51, 0x09, 0x06, // ?
0x00, 0x32, 0x49, 0x59, 0x51, 0x3E, // @
0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C, // A
0x00, 0x7F, 0x49, 0x49, 0x49, 0x36, // B
0x00, 0x3E, 0x41, 0x41, 0x41, 0x22, // C
0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C, // D
0x00, 0x7F, 0x49, 0x49, 0x49, 0x41, // E
0x00, 0x7F, 0x09, 0x09, 0x09, 0x01, // F
0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A, // G
0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F, // H
0x00, 0x00, 0x41, 0x7F, 0x41, 0x00, // I
0x00, 0x20, 0x40, 0x41, 0x3F, 0x01, // J
0x00, 0x7F, 0x08, 0x14, 0x22, 0x41, // K
0x00, 0x7F, 0x40, 0x40, 0x40, 0x40, // L
0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F, // M
0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F, // N
0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E, // O
0x00, 0x7F, 0x09, 0x09, 0x09, 0x06, // P
0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
0x00, 0x7F, 0x09, 0x19, 0x29, 0x46, // R
0x00, 0x46, 0x49, 0x49, 0x49, 0x31, // S
0x00, 0x01, 0x01, 0x7F, 0x01, 0x01, // T
0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F, // U
0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F, // V
0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F, // W
0x00, 0x63, 0x14, 0x08, 0x14, 0x63, // X
0x00, 0x07, 0x08, 0x70, 0x08, 0x07, // Y
0x00, 0x61, 0x51, 0x49, 0x45, 0x43, // Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00, // [
0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55, // 55
0x00, 0x00, 0x41, 0x41, 0x7F, 0x00, // ]
0x00, 0x04, 0x02, 0x01, 0x02, 0x04, // ^
0x00, 0x40, 0x40, 0x40, 0x40, 0x40, // _
0x00, 0x00, 0x01, 0x02, 0x04, 0x00, // '
0x00, 0x20, 0x54, 0x54, 0x54, 0x78, // a
0x00, 0x7F, 0x48, 0x44, 0x44, 0x38, // b
0x00, 0x38, 0x44, 0x44, 0x44, 0x20, // c
0x00, 0x38, 0x44, 0x44, 0x48, 0x7F, // d
0x00, 0x38, 0x54, 0x54, 0x54, 0x18, // e
0x00, 0x08, 0x7E, 0x09, 0x01, 0x02, // f
0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C, // g
0x00, 0x7F, 0x08, 0x04, 0x04, 0x78, // h
0x00, 0x00, 0x44, 0x7D, 0x40, 0x00, // i
0x00, 0x40, 0x80, 0x84, 0x7D, 0x00, // j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, // k
0x00, 0x00, 0x41, 0x7F, 0x40, 0x00, // l
0x00, 0x7C, 0x04, 0x18, 0x04, 0x78, // m
0x00, 0x7C, 0x08, 0x04, 0x04, 0x78, // n
0x00, 0x38, 0x44, 0x44, 0x44, 0x38, // o
0x00, 0xFC, 0x24, 0x24, 0x24, 0x18, // p
0x00, 0x18, 0x24, 0x24, 0x18, 0xFC, // q
0x00, 0x7C, 0x08, 0x04, 0x04, 0x08, // r
0x00, 0x48, 0x54, 0x54, 0x54, 0x20, // s
0x00, 0x04, 0x3F, 0x44, 0x40, 0x20, // t
0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C, // u
0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C, // v
0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C, // w
0x00, 0x44, 0x28, 0x10, 0x28, 0x44, // x
0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C, // y
0x00, 0x44, 0x64, 0x54, 0x4C, 0x44, // z
0x14, 0x14, 0x14, 0x14, 0x14, 0x14, // horiz lines
};
/****************************************8*16的点阵************************************/
const uint8_t F8X16[] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0
0x00, 0x00, 0x00, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x30, 0x00, 0x00, 0x00, //! 1
0x00, 0x10, 0x0C, 0x06, 0x10, 0x0C, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //" 2
0x40, 0xC0, 0x78, 0x40, 0xC0, 0x78, 0x40, 0x00, 0x04, 0x3F, 0x04, 0x04, 0x3F, 0x04, 0x04, 0x00, // # 3
0x00, 0x70, 0x88, 0xFC, 0x08, 0x30, 0x00, 0x00, 0x00, 0x18, 0x20, 0xFF, 0x21, 0x1E, 0x00, 0x00, //$ 4
0xF0, 0x08, 0xF0, 0x00, 0xE0, 0x18, 0x00, 0x00, 0x00, 0x21, 0x1C, 0x03, 0x1E, 0x21, 0x1E, 0x00, //% 5
0x00, 0xF0, 0x08, 0x88, 0x70, 0x00, 0x00, 0x00, 0x1E, 0x21, 0x23, 0x24, 0x19, 0x27, 0x21, 0x10, //& 6
0x10, 0x16, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //' 7
0x00, 0x00, 0x00, 0xE0, 0x18, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00, 0x07, 0x18, 0x20, 0x40, 0x00, //( 8
0x00, 0x02, 0x04, 0x18, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x40, 0x20, 0x18, 0x07, 0x00, 0x00, 0x00, //) 9
0x40, 0x40, 0x80, 0xF0, 0x80, 0x40, 0x40, 0x00, 0x02, 0x02, 0x01, 0x0F, 0x01, 0x02, 0x02, 0x00, //* 10
0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x1F, 0x01, 0x01, 0x01, 0x00, //+ 11
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xB0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, //, 12
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, //- 13
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, //. 14
0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x18, 0x04, 0x00, 0x60, 0x18, 0x06, 0x01, 0x00, 0x00, 0x00, /// 15
0x00, 0xE0, 0x10, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x0F, 0x10, 0x20, 0x20, 0x10, 0x0F, 0x00, // 0 16
0x00, 0x10, 0x10, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // 1 17
0x00, 0x70, 0x08, 0x08, 0x08, 0x88, 0x70, 0x00, 0x00, 0x30, 0x28, 0x24, 0x22, 0x21, 0x30, 0x00, // 2 18
0x00, 0x30, 0x08, 0x88, 0x88, 0x48, 0x30, 0x00, 0x00, 0x18, 0x20, 0x20, 0x20, 0x11, 0x0E, 0x00, // 3 19
0x00, 0x00, 0xC0, 0x20, 0x10, 0xF8, 0x00, 0x00, 0x00, 0x07, 0x04, 0x24, 0x24, 0x3F, 0x24, 0x00, // 4 20
0x00, 0xF8, 0x08, 0x88, 0x88, 0x08, 0x08, 0x00, 0x00, 0x19, 0x21, 0x20, 0x20, 0x11, 0x0E, 0x00, // 5 21
0x00, 0xE0, 0x10, 0x88, 0x88, 0x18, 0x00, 0x00, 0x00, 0x0F, 0x11, 0x20, 0x20, 0x11, 0x0E, 0x00, // 6 22
0x00, 0x38, 0x08, 0x08, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00, // 7 23
0x00, 0x70, 0x88, 0x08, 0x08, 0x88, 0x70, 0x00, 0x00, 0x1C, 0x22, 0x21, 0x21, 0x22, 0x1C, 0x00, // 8 24
0x00, 0xE0, 0x10, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x00, 0x31, 0x22, 0x22, 0x11, 0x0F, 0x00, // 9 25
0x00, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, //: 26
0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, //; 27
0x00, 0x00, 0x80, 0x40, 0x20, 0x10, 0x08, 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, //< 28
0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00, //= 29
0x00, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, 0x00, //> 30
0x00, 0x70, 0x48, 0x08, 0x08, 0x08, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x30, 0x36, 0x01, 0x00, 0x00, //? 31
0xC0, 0x30, 0xC8, 0x28, 0xE8, 0x10, 0xE0, 0x00, 0x07, 0x18, 0x27, 0x24, 0x23, 0x14, 0x0B, 0x00, //@ 32
0x00, 0x00, 0xC0, 0x38, 0xE0, 0x00, 0x00, 0x00, 0x20, 0x3C, 0x23, 0x02, 0x02, 0x27, 0x38, 0x20, // A 33
0x08, 0xF8, 0x88, 0x88, 0x88, 0x70, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x11, 0x0E, 0x00, // B 34
0xC0, 0x30, 0x08, 0x08, 0x08, 0x08, 0x38, 0x00, 0x07, 0x18, 0x20, 0x20, 0x20, 0x10, 0x08, 0x00, // C 35
0x08, 0xF8, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x10, 0x0F, 0x00, // D 36
0x08, 0xF8, 0x88, 0x88, 0xE8, 0x08, 0x10, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x23, 0x20, 0x18, 0x00, // E 37
0x08, 0xF8, 0x88, 0x88, 0xE8, 0x08, 0x10, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, // F 38
0xC0, 0x30, 0x08, 0x08, 0x08, 0x38, 0x00, 0x00, 0x07, 0x18, 0x20, 0x20, 0x22, 0x1E, 0x02, 0x00, // G 39
0x08, 0xF8, 0x08, 0x00, 0x00, 0x08, 0xF8, 0x08, 0x20, 0x3F, 0x21, 0x01, 0x01, 0x21, 0x3F, 0x20, // H 40
0x00, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // I 41
0x00, 0x00, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x00, 0xC0, 0x80, 0x80, 0x80, 0x7F, 0x00, 0x00, 0x00, // J 42
0x08, 0xF8, 0x88, 0xC0, 0x28, 0x18, 0x08, 0x00, 0x20, 0x3F, 0x20, 0x01, 0x26, 0x38, 0x20, 0x00, // K 43
0x08, 0xF8, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x20, 0x30, 0x00, // L 44
0x08, 0xF8, 0xF8, 0x00, 0xF8, 0xF8, 0x08, 0x00, 0x20, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x20, 0x00, // M 45
0x08, 0xF8, 0x30, 0xC0, 0x00, 0x08, 0xF8, 0x08, 0x20, 0x3F, 0x20, 0x00, 0x07, 0x18, 0x3F, 0x00, // N 46
0xE0, 0x10, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x0F, 0x10, 0x20, 0x20, 0x20, 0x10, 0x0F, 0x00, // O 47
0x08, 0xF8, 0x08, 0x08, 0x08, 0x08, 0xF0, 0x00, 0x20, 0x3F, 0x21, 0x01, 0x01, 0x01, 0x00, 0x00, // P 48
0xE0, 0x10, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x0F, 0x18, 0x24, 0x24, 0x38, 0x50, 0x4F, 0x00, // Q 49
0x08, 0xF8, 0x88, 0x88, 0x88, 0x88, 0x70, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x03, 0x0C, 0x30, 0x20, // R 50
0x00, 0x70, 0x88, 0x08, 0x08, 0x08, 0x38, 0x00, 0x00, 0x38, 0x20, 0x21, 0x21, 0x22, 0x1C, 0x00, // S 51
0x18, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x18, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x00, 0x00, // T 52
0x08, 0xF8, 0x08, 0x00, 0x00, 0x08, 0xF8, 0x08, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x20, 0x1F, 0x00, // U 53
0x08, 0x78, 0x88, 0x00, 0x00, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x07, 0x38, 0x0E, 0x01, 0x00, 0x00, // V 54
0xF8, 0x08, 0x00, 0xF8, 0x00, 0x08, 0xF8, 0x00, 0x03, 0x3C, 0x07, 0x00, 0x07, 0x3C, 0x03, 0x00, // W 55
0x08, 0x18, 0x68, 0x80, 0x80, 0x68, 0x18, 0x08, 0x20, 0x30, 0x2C, 0x03, 0x03, 0x2C, 0x30, 0x20, // X 56
0x08, 0x38, 0xC8, 0x00, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x00, 0x00, // Y 57
0x10, 0x08, 0x08, 0x08, 0xC8, 0x38, 0x08, 0x00, 0x20, 0x38, 0x26, 0x21, 0x20, 0x20, 0x18, 0x00, // Z 58
0x00, 0x00, 0x00, 0xFE, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x40, 0x40, 0x40, 0x00, //[ 59
0x00, 0x0C, 0x30, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x38, 0xC0, 0x00, //\ 60
0x00, 0x02, 0x02, 0x02, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x7F, 0x00, 0x00, 0x00, //] 61
0x00, 0x00, 0x04, 0x02, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //^ 62
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, //_ 63
0x00, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //` 64
0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x19, 0x24, 0x22, 0x22, 0x22, 0x3F, 0x20, // a 65
0x08, 0xF8, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x11, 0x20, 0x20, 0x11, 0x0E, 0x00, // b 66
0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0x20, 0x11, 0x00, // c 67
0x00, 0x00, 0x00, 0x80, 0x80, 0x88, 0xF8, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0x10, 0x3F, 0x20, // d 68
0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x22, 0x22, 0x22, 0x22, 0x13, 0x00, // e 69
0x00, 0x80, 0x80, 0xF0, 0x88, 0x88, 0x88, 0x18, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // f 70
0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x6B, 0x94, 0x94, 0x94, 0x93, 0x60, 0x00, // g 71
0x08, 0xF8, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x3F, 0x21, 0x00, 0x00, 0x20, 0x3F, 0x20, // h 72
0x00, 0x80, 0x98, 0x98, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // i 73
0x00, 0x00, 0x00, 0x80, 0x98, 0x98, 0x00, 0x00, 0x00, 0xC0, 0x80, 0x80, 0x80, 0x7F, 0x00, 0x00, // j 74
0x08, 0xF8, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x20, 0x3F, 0x24, 0x02, 0x2D, 0x30, 0x20, 0x00, // k 75
0x00, 0x08, 0x08, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // l 76
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x3F, 0x20, 0x00, 0x3F, // m 77
0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x3F, 0x21, 0x00, 0x00, 0x20, 0x3F, 0x20, // n 78
0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x20, 0x1F, 0x00, // o 79
0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xA1, 0x20, 0x20, 0x11, 0x0E, 0x00, // p 80
0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0xA0, 0xFF, 0x80, // q 81
0x80, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x20, 0x20, 0x3F, 0x21, 0x20, 0x00, 0x01, 0x00, // r 82
0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x33, 0x24, 0x24, 0x24, 0x24, 0x19, 0x00, // s 83
0x00, 0x80, 0x80, 0xE0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x00, 0x00, // t 84
0x80, 0x80, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x10, 0x3F, 0x20, // u 85
0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x01, 0x0E, 0x30, 0x08, 0x06, 0x01, 0x00, // v 86
0x80, 0x80, 0x00, 0x80, 0x00, 0x80, 0x80, 0x80, 0x0F, 0x30, 0x0C, 0x03, 0x0C, 0x30, 0x0F, 0x00, // w 87
0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x31, 0x2E, 0x0E, 0x31, 0x20, 0x00, // x 88
0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x81, 0x8E, 0x70, 0x18, 0x06, 0x01, 0x00, // y 89
0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x21, 0x30, 0x2C, 0x22, 0x21, 0x30, 0x00, // z 90
0x00, 0x00, 0x00, 0x00, 0x80, 0x7C, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x40, 0x40, //{ 91
0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, //| 92
0x00, 0x02, 0x02, 0x7C, 0x80, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x3F, 0x00, 0x00, 0x00, 0x00, //} 93
0x00, 0x06, 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //~ 94
};
const uint8_t LOGO[] = {
0x00, 0x03, 0x05, 0x09, 0x11, 0xFF, 0x11, 0x89, 0x05, 0xC3, 0x00, 0xE0, 0x00, 0xF0, 0x00, 0xF8,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x28, 0xFF, 0x11, 0xAA, 0x44, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x83, 0x01, 0x38, 0x44, 0x82, 0x92,
0x92, 0x74, 0x01, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7C, 0x44, 0xC7, 0x01, 0x7D,
0x7D, 0x7D, 0x7D, 0x01, 0x7D, 0x7D, 0x7D, 0x7D, 0x01, 0x7D, 0x7D, 0x7D, 0x7D, 0x01, 0xFF, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00,
0x6D, 0x6D, 0x6D, 0x6D, 0x6D, 0x00, 0x00, 0x60, 0x60, 0x60, 0x60, 0x60, 0x00, 0x00, 0x40, 0x40,
0x40, 0x40, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x00, 0x00,
0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x00, 0x00, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x00, 0x00, 0xDB, 0xDB,
0xDB, 0xDB, 0xDB, 0x00, 0x00, 0xDA, 0xDA, 0xDA, 0xDA, 0xDA, 0x00, 0x00, 0xD8, 0xD8, 0xD8, 0xD8,
0xD8, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x00,
0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x00, 0x00, 0x80,
0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00,
0x06, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x06, 0x06,
0x06, 0x06, 0x06, 0x00, 0x00, 0x06, 0x06, 0x06, 0xE6, 0x66, 0x20, 0x00, 0x06, 0x06, 0x86, 0x06,
0x06, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x86, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00,
0x00, 0x86, 0x86, 0x86, 0x86, 0x86, 0x80, 0x80, 0x86, 0x86, 0x06, 0x86, 0x86, 0xC0, 0xC0, 0x86,
0x86, 0x86, 0x06, 0x06, 0xD0, 0x30, 0x76, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x06, 0x06, 0x06,
0x06, 0x06, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06,
0x00, 0x00, 0x06, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x1C, 0x00, 0xFE, 0x00, 0x01,
0x02, 0x00, 0xC4, 0x18, 0x20, 0x02, 0x9E, 0x63, 0xB2, 0x0E, 0x00, 0xFF, 0x81, 0x81, 0xFF, 0x00,
0x00, 0x80, 0x40, 0x30, 0x0F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x23, 0xEA, 0xAA, 0xBF, 0xAA,
0xEA, 0x03, 0x3F, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x0C, 0x08, 0x00, 0x00, 0x01, 0x01, 0x01,
0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x81, 0x80, 0x80, 0x81, 0x80,
0x81, 0x80, 0x80, 0x80, 0x80, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x01, 0x00, 0x01, 0x01, 0x09, 0x0C, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x00,
0x00, 0x1E, 0x21, 0x40, 0x40, 0x50, 0x21, 0x5E, 0x00, 0x1E, 0x21, 0x40, 0x40, 0x50, 0x21, 0x5E,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xC1, 0xC1, 0xFF,
0xFF, 0xC1, 0xC1, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x80, 0xFC, 0xF3, 0xEF, 0xF3, 0xFC,
0x80, 0xFF, 0x80, 0xEE, 0xEE, 0xEE, 0xF5, 0xFB, 0xFF, 0x9C, 0xBE, 0xB6, 0xB6, 0x88, 0xFF, 0x00,
// end
};
static uint8_t _buffer[SSD1306_WIDTH * SSD1306_HEIGHT / 8]; // 定义屏幕缓冲区
static uint8_t _buffer_copy[SSD1306_WIDTH * SSD1306_HEIGHT / 8]; // 屏幕缓冲区副本
static void i2c_start(void)
{
SDA_OUT();
GPIO_SET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(4);
GPIO_RESET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
delay_us(4);
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
}
static void i2c_stop(void)
{
SDA_OUT();
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
GPIO_RESET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
delay_us(4);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
GPIO_SET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
delay_us(4);
}
static BOOL i2c_wait_ack(void)
{
uint8_t count = 0;
SDA_IN();
GPIO_SET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
delay_us(4);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(4);
while (GPIO_READ(SSD1306_SDA_PORT, SSD1306_SDA_PIN))
{
count++;
if (count > 250)
{
i2c_stop();
return FALSE;
}
}
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
return TRUE;
}
static void i2c_ack(void)
{
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
SDA_OUT();
GPIO_RESET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
delay_us(2);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(2);
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
}
static void i2c_nack(void)
{
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
SDA_OUT();
GPIO_SET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
delay_us(2);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(2);
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
}
uint8_t i2c_read_byte(BOOL ack)
{
uint8_t i = 0, receive = 0;
SDA_IN();
for (i = 0; i < 8; i++)
{
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(2);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
receive <<= 1;
if (GPIO_READ(SSD1306_SDA_PORT, SSD1306_SDA_PIN))
{
receive++;
}
delay_us(1);
}
if (!ack)
{
i2c_nack();
}
else
{
i2c_ack();
}
return receive;
}
void i2c_write_byte(uint8_t data)
{
uint8_t i = 0;
SDA_OUT();
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
for (i = 0; i < 8; i++)
{
// IIC_SDA=(txd&0x80)>>7;
if ((data & 0x80) >> 7)
GPIO_SET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
else
GPIO_RESET(SSD1306_SDA_PORT, SSD1306_SDA_PIN);
data <<= 1;
delay_us(2);
GPIO_SET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(2);
GPIO_RESET(SSD1306_SCK_PORT, SSD1306_SCK_PIN);
delay_us(2);
}
}
static void i2c_write_command(uint8_t command)
{
uint8_t dd[2];
dd[0] = SSD1306_CMD_SET_LOW_COLUMN; // Co = 0, D/C# = 0
dd[1] = command;
i2c_start();
i2c_write_byte(SSD1306_I2C_ADDRESS);
i2c_wait_ack();
i2c_write_byte(dd[0]);
i2c_wait_ack();
i2c_write_byte(dd[1]);
i2c_wait_ack();
i2c_stop();
}
static void i2c_write_data(uint8_t data)
{
uint8_t dd[2];
dd[0] = SSD1306_CMD_SET_START_LINE; // Co = 0, D/C# = 1
dd[1] = data;
i2c_start();
i2c_write_byte(SSD1306_I2C_ADDRESS);
i2c_wait_ack();
i2c_write_byte(dd[0]);
i2c_wait_ack();
i2c_write_byte(dd[1]);
i2c_wait_ack();
}
/**
* @brief 设置SSD1306 OLED显示屏上的显示位置
*
* 该函数用于设置SSD1306 OLED显示屏上的显示位置通过x和y坐标确定显示位置。
*
* @param x 要设置的横坐标0-127
* @param y 要设置的纵坐标0-7对应SSD1306 OLED的8个页面
*/
void set_position(uint8_t x, uint8_t y)
{
i2c_write_command(0xb0 + y);
i2c_write_command(((x & 0xf0) >> 4) | 0x10);
i2c_write_command((x & 0x0f) | 0x01);
}
void ssd1306_test(void)
{
ssd1306_f8x16_string(0, 0, " TEST");
ssd1306_f8x16_number(40, 0, -15.26, 2);
ssd1306_f6x8_string_number(0, 3, " @ADC1:", 'V', 24);
ssd1306_update_screen();
}
void ssd1306_init(void)
{
i2c_write_command(SSD1306_CMD_DISPLAY_OFF); // display off
i2c_write_command(SSD1306_CMD_MEMORY_MODE); // Set Memory Addressing Mode
i2c_write_command(SSD1306_CMD_SET_HIGH_COLUMN); // 00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
i2c_write_command(SSD1306_CMD_COM_SCAN_DEC); // Set COM Output Scan Direction
i2c_write_command(SSD1306_CMD_SET_LOW_COLUMN); //---set low column address
i2c_write_command(SSD1306_CMD_SET_HIGH_COLUMN); //---set high column address
i2c_write_command(SSD1306_CMD_SET_START_LINE); //--set start line address
i2c_write_command(SSD1306_CMD_SET_CONTRAST); //--set contrast control register
i2c_write_command(0xff); // 亮度调节 0x00~0xff
i2c_write_command(0xa1); //--set segment re-map 0 to 127
i2c_write_command(SSD1306_CMD_NORMAL_DISPLAY); //--set normal display
i2c_write_command(SSD1306_CMD_SET_MULTIPLEX); //--set multiplex ratio(1 to 64)
i2c_write_command(0x3f); //
i2c_write_command(SSD1306_CMD_DISPLAY_ALL_ON_RESUME); // 0xa4,Output follows RAM content;0xa5,Output ignores RAM content
i2c_write_command(SSD1306_CMD_SET_DISPLAY_OFFSET); //-set display offset
i2c_write_command(SSD1306_CMD_SET_LOW_COLUMN); //-not offset
i2c_write_command(SSD1306_CMD_SET_DISPLAY_CLOCK_DIV); //--set display clock divide ratio/oscillator frequency
i2c_write_command(0xf0); //--set divide ratio
i2c_write_command(SSD1306_CMD_SET_PRECHARGE); //--set pre-charge period
i2c_write_command(SSD1306_CMD_PAGE_ADDR); //
i2c_write_command(SSD1306_CMD_SET_COM_PINS); //--set com pins hardware configuration
i2c_write_command(0x12);
i2c_write_command(SSD1306_CMD_SET_VCOM_DETECT); //--set vcomh
i2c_write_command(SSD1306_CMD_MEMORY_MODE); // 0x20,0.77xVcc
i2c_write_command(SSD1306_CMD_CHARGE_PUMP); //--set DC-DC enable
i2c_write_command(SSD1306_CMD_SET_DC_DC_ENABLE); //
i2c_write_command(SSD1306_CMD_DISPLAY_ON); //--turn on oled panel
ssd1306_clear();
// ssd1306_test();
}
void ssd1306_logo(void)
{
ssd1306_draw_bmp(0, 0, SSD1306_WIDTH, 2, LOGO);
}
void ssd1306_display_on(void)
{
i2c_write_command(SSD1306_CMD_CHARGE_PUMP); // 设置电荷泵
i2c_write_command(SSD1306_CMD_SET_DC_DC_ENABLE); // 开启电荷泵
i2c_write_command(SSD1306_CMD_DISPLAY_ON); // OLED唤醒
}
void ssd1306_display_off(void)
{
i2c_write_command(SSD1306_CMD_CHARGE_PUMP); // 设置电荷泵
i2c_write_command(SSD1306_CMD_SET_HIGH_COLUMN); // 关闭电荷泵
i2c_write_command(SSD1306_CMD_DISPLAY_OFF); // OLED休眠
}
/**
* @brief 更新SSD1306 OLED显示屏的内容
*
* 此函数将缓冲区中的数据写入SSD1306 OLED显示屏从而更新显示内容。
*
* 首先,通过发送命令设置列地址和页地址,然后将缓冲区中的数据逐行写入显示屏。
*
* @note 在调用此函数之前,需要将需要显示的数据写入缓冲区。
*/
void ssd1306_update_screen(void)
{
for (uint8_t i = 0; i < SSD1306_HEIGHT / 8; i++)
{
uint8_t update_needed = 0;
for (uint8_t j = 0; j < SSD1306_WIDTH; j++)
{
if (_buffer[j + i * SSD1306_WIDTH] != _buffer_copy[j + i * SSD1306_WIDTH])
{
update_needed = 1;
break;
}
}
if (update_needed)
{
i2c_write_command(0xb0 + i);
i2c_write_command(0x01);
i2c_write_command(0x10);
for (uint8_t j = 0; j < SSD1306_WIDTH; j++)
{
i2c_write_data(_buffer[j + i * SSD1306_WIDTH]);
}
}
}
osel_memcpy(_buffer_copy, _buffer, ARRAY_LEN(_buffer));
}
/**
* @brief 填充整个屏幕为指定颜色
*
* 该函数将 SSD1306 OLED 显示屏的每一个像素点都设置为指定的颜色。
*
* @param color 颜色值SSD1306_BLACK 表示关闭像素点黑色SSD1306_WHITE 表示打开像素点(白色)
*/
void ssd1306_fill(uint8_t color)
{
ssd1306_clear_buffer();
osel_memset(_buffer, color, ARRAY_LEN(_buffer));
ssd1306_update_screen();
}
/**
* @brief 清空SSD1306显示屏
*
* 该函数通过向SSD1306显示屏发送一系列命令来清空显示内容。
*
* 首先通过循环遍历每个页面SSD1306显示屏有8个页面
* 对每个页面执行以下操作:
* 1. 发送页面地址命令0xb0 + y其中y为当前页面索引。
* 2. 发送列地址低位命令0x01
* 3. 发送列地址高位命令0x10表示从第一列开始。
* 4. 循环遍历每一列SSD1306显示屏的宽度
* 发送数据0x00以清空该列的内容。
*/
void ssd1306_clear(void)
{
ssd1306_clear_buffer();
ssd1306_update_screen();
}
void ssd1306_clear_buffer(void)
{
osel_memset(_buffer, SSD1306_BLACK, ARRAY_LEN(_buffer));
osel_memset(_buffer_copy, 0xff, ARRAY_LEN(_buffer_copy));
}
/**
* @brief 在指定区域内绘制BMP
*
* 在指定坐标区域内绘制一个BMP使用SSD1306 OLED显示屏
* ssd1306_draw_bmp(0, 0, SSD1306_WIDTH, 2);
* @param x0 BMP绘制的起始X坐标
* @param y0 BMP绘制的起始Y坐标
* @param x1 BMP绘制的结束X坐标
* @param y1 BMP绘制的结束Y坐标
*/
void ssd1306_draw_bmp(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, const uint8_t *bmp)
{
uint8_t j = 0;
uint8_t x, y;
ssd1306_clear_buffer();
if (y1 % 8 == 0)
y = y1 / 8;
else
y = y1 / 8 + 1;
for (y = y0; y < y1; y++)
{
set_position(x0, y);
for (x = x0; x < x1; x++)
{
i2c_write_data(bmp[j++]);
}
}
}
/**
* @brief 在SSD1306 OLED显示屏上显示字符串
*
* 在SSD1306 OLED显示屏上以6x8像素的字体显示给定的字符串。
*
* @param x 显示字符串的起始x坐标
* @param y 显示字符串的起始y坐标
* @param str 要显示的字符串
*/
void ssd1306_f6x8_string(uint8_t x, uint8_t y, const uint8_t *ch)
{
uint8_t c = 0, i = 0, j = 0;
while (ch[j] != '\0')
{
c = ch[j] - 32;
if (x > 126)
{
x = 0;
y++;
}
for (i = 0; i < 6; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F6x8[c][i];
x += 6;
j++;
}
}
/**
* @brief 将浮点数显示在SSD1306显示屏上
*
* 该函数将给定的浮点数num转换为字符串并将其显示在SSD1306显示屏的指定位置。
*
* @param x 显示的起始x坐标
* @param y 显示的起始y坐标
* @param num 要显示的浮点数
* @param dot_num 小数点后的位数0表示不显示小数部分
*/
void ssd1306_f6x8_number(uint8_t x, uint8_t y, float32 num, uint8_t dot_num)
{
uint8_t ch[9] = {'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'};
uint8_t c = 0, i = 0, j = 0;
if (num < 0)
{
ch[i++] = '-';
num = -num;
}
if (num > 32000)
return;
c = 8 - i;
if (num >= 10000)
{
ch[i++] = num / 10000 + 48;
ch[i++] = (int32_t)(num) % 10000 / 1000 + 48;
ch[i++] = (int32_t)(num) % 1000 / 100 + 48;
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 1000)
{
ch[i++] = (int32_t)(num) % 10000 / 1000 + 48;
ch[i++] = (int32_t)(num) % 1000 / 100 + 48;
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 100)
{
ch[i++] = (int32_t)(num) % 1000 / 100 + 48;
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 10)
{
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 0)
{
ch[i++] = (int32_t)(num) % 10 + 48;
}
if (dot_num > 0 && i < 7)
{
ch[i++] = '.';
num = num - (int32_t)num;
if (dot_num == 1 && i < 8)
{
num = num * 10;
ch[i++] = (int32_t)(num + 0.5) % 10 + 48;
}
if (dot_num >= 2 && i < 8)
{
num = num * 100;
ch[i++] = (int32_t)num % 100 / 10 + 48;
if (i < 8)
ch[i++] = (int32_t)(num + 0.5) % 10 + 48;
}
}
while (ch[j] != '\0')
{
c = ch[j] - 32;
if (x > 120)
{
x = 0;
y++;
}
for (i = 0; i < 6; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F6x8[c][i];
x += 6;
j++;
}
}
/**
* @brief 在SSD1306 OLED屏幕上显示字符串和数字
*
* 该函数用于在SSD1306 OLED屏幕上显示字符串和数字。首先显示一个字符串
* 然后显示一个浮点数。字符串和数字按照指定的位置和单位显示。
*
* @param x 起始位置的x坐标
* @param y 起始位置的y坐标
* @param ch 要显示的字符串
* @param unit 数字的单位,例如'm'表示米
* @param num 要显示的浮点数
*/
void ssd1306_f6x8_string_number(uint8_t x, uint8_t y, const uint8_t *ch, uint8_t unit, float32 num)
{
uint8_t c = 0, i = 0, j = 0;
int8_t a, number[7] = {0, 0, 0, -2, 0, 0, 0};
uint32_t d;
while (ch[j] != '\0')
{
c = ch[j] - 32;
if (x > 126)
{
x = 0;
y++;
}
for (i = 0; i < 6; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F6x8[c][i];
x += 6;
j++;
}
d = 1000 * num;
for (a = 0; a < 3; a++)
{
number[6 - a] = d % 10;
d = d / 10;
}
for (a = 4; a < 7; a++)
{
number[6 - a] = d % 10;
d = d / 10;
}
if (num >= 100)
{
a = 0;
}
else if (num >= 10)
{
a = 1;
}
else if (num >= 0)
{
a = 2;
}
for (; a < 7; a++)
{
c = number[a] + 16;
if (x > 126)
{
x = 0;
y++;
}
for (i = 0; i < 6; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F6x8[c][i];
x += 6;
j++;
}
for (int h = 0; h < 7; h++)
{
c = unit - 32;
for (i = 0; i < 6; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F6x8[c][i];
}
}
/**
* @brief 在SSD1306 OLED显示屏上显示8x16大小的字符串
*
* 该函数使用8x16字体在SSD1306 OLED显示屏上显示指定的字符串。字符串的字符位置由x和y参数指定。
*
* @param x 显示字符串的起始x坐标
* @param y 显示字符串的起始y坐标
* @param str 要显示的字符串
*/
void ssd1306_f8x16_string(uint8_t x, uint8_t y, const uint8_t *ch)
{
uint8_t c = 0, i = 0, j = 0;
while (ch[j] != '\0')
{
c = ch[j] - 32;
if (x > 120)
{
x = 0;
y++;
}
for (i = 0; i < 8; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F8X16[c * 16 + i];
for (i = 0; i < 8; i++)
_buffer[((y + 1) * SSD1306_WIDTH) + x + i] = F8X16[c * 16 + i + 8];
x += 8;
j++;
}
}
/**
* @brief 在SSD1306 OLED显示屏上以8x16像素字体显示浮点数
*
* 在指定的坐标位置 (x, y) 上使用8x16像素大小的字体显示浮点数 num并显示指定数量的小数点 dot_num。
*
* @param x 显示位置的x坐标
* @param y 显示位置的y坐标
* @param num 要显示的浮点数
* @param dot_num 要显示的小数点数量
*/
void ssd1306_f8x16_number(uint8_t x, uint8_t y, float32 num, uint8_t dot_num)
{
uint8_t ch[9] = {'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'};
uint8_t c = 0, i = 0, j = 0;
if (num < 0)
{
ch[i++] = '-';
num = -num;
}
if (num > 32000)
return;
c = 8 - i;
if (num >= 10000)
{
ch[i++] = num / 10000 + 48;
ch[i++] = (int32_t)(num) % 10000 / 1000 + 48;
ch[i++] = (int32_t)(num) % 1000 / 100 + 48;
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 1000)
{
ch[i++] = (int32_t)(num) % 10000 / 1000 + 48;
ch[i++] = (int32_t)(num) % 1000 / 100 + 48;
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 100)
{
ch[i++] = (int32_t)(num) % 1000 / 100 + 48;
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 10)
{
ch[i++] = (int32_t)(num) % 100 / 10 + 48;
ch[i++] = (int32_t)(num) % 10 + 48;
}
else if (num >= 0)
{
ch[i++] = (int32_t)(num) % 10 + 48;
}
if (dot_num > 0 && i < 7)
{
ch[i++] = '.';
num = num - (int32_t)num;
if (dot_num == 1 && i < 8)
{
num = num * 10;
ch[i++] = (int32_t)(num + 0.5) % 10 + 48;
}
if (dot_num >= 2 && i < 8)
{
num = num * 100;
ch[i++] = (int32_t)num % 100 / 10 + 48;
if (i < 8)
ch[i++] = (int32_t)(num + 0.5) % 10 + 48;
}
}
while (ch[j] != '\0')
{
c = ch[j] - 32;
if (x > 120)
{
x = 0;
y++;
}
for (i = 0; i < 8; i++)
_buffer[(y * SSD1306_WIDTH) + x + i] = F8X16[c * 16 + i];
for (i = 0; i < 8; i++)
_buffer[((y + 1) * SSD1306_WIDTH) + x + i] = F8X16[c * 16 + i + 8];
x += 8;
j++;
}
}
// 在 SSD1306 显示屏上绘制一个像素
void ssd1306_draw_pixel(uint8_t x, uint8_t y, uint8_t color)
{
if (x >= SSD1306_WIDTH || y >= SSD1306_HEIGHT)
{
// 超出屏幕范围
return;
}
// 设置像素颜色
if (color == SSD1306_WHITE)
{
_buffer[x + (y / 8) * SSD1306_WIDTH] |= 1 << (y % 8);
}
else
{
_buffer[x + (y / 8) * SSD1306_WIDTH] &= ~(1 << (y % 8));
}
}
// 在 SSD1306 显示屏上绘制一条线
void ssd1306_draw_line(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, uint8_t color)
{
int16_t dx, dy, sx, sy, err, e2;
dx = ABS(x2 - x1);
dy = ABS(y2 - y1);
sx = (x1 < x2) ? 1 : -1;
sy = (y1 < y2) ? 1 : -1;
err = dx - dy;
while (1)
{
ssd1306_draw_pixel(x1, y1, color);
if (x1 == x2 && y1 == y2)
break;
e2 = err * 2;
if (e2 > -dy)
{
err -= dy;
x1 += sx;
}
if (e2 < dx)
{
err += dx;
y1 += sy;
}
}
}
// 在 SSD1306 显示屏上绘制一个矩形
void ssd1306_draw_rect_angle(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color)
{
// 绘制矩形的四条边
ssd1306_draw_line(x, y, x + w, y, color); // 上边
ssd1306_draw_line(x, y + h, x + w, y + h, color); // 下边
ssd1306_draw_line(x, y, x, y + h, color); // 左边
ssd1306_draw_line(x + w, y, x + w, y + h, color); // 右边
}
// 在 SSD1306 显示屏上绘制一个填充矩形
void ssd1306_fill_rect_angle(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color)
{
for (uint8_t i = 0; i < h; i++)
{
ssd1306_draw_line(x, y + i, x + w, y + i, color);
}
}
// 绘制进度条
void ssd1306_draw_progress_bar(uint8_t progress)
{
uint8_t offset_y = 10;
char progress_text[5]; // 用于存储百分比文本
// 绘制边框
ssd1306_draw_rect_angle(10, 24 + offset_y, 108, 10, SSD1306_WHITE);
// 绘制进度条
ssd1306_fill_rect_angle(12, 26 + offset_y, 4 + progress, 7, SSD1306_WHITE);
// 显示百分比文本
snprintf(progress_text, sizeof(progress_text), "%3d%%", progress);
ssd1306_f8x16_string(SSD1306_WIDTH * 0.35, 2, (const uint8_t *)progress_text);
// 更新显示
ssd1306_update_screen();
}
// 在中间显示文字
void ssd1306_draw_text_center(uint8_t y, const char *text)
{
uint8_t x = (SSD1306_WIDTH - strlen(text) * 6) / 2;
ssd1306_f6x8_string(x, y, (const uint8_t *)text);
// 更新显示
ssd1306_update_screen();
}