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软件SPI可以驱动屏幕

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Wanderingss
2026-07-14 14:44:07 +08:00
parent 3577003fb6
commit 0a5c478a42
53 changed files with 9354 additions and 87 deletions
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STM32F103C8T6/Drivers/BSP/LCD/lcd_data.c Normal file
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#include "lcd_data.h"
/*ASCII字模数据*********************/
/*宽8像素，高16像素*/
const uint8_t LCD_F8x16[][16] =
{
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
0x00,0x16,0x0E,0x00,0x16,0x0E,0x00,0x00,
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
0x00,0x00,0x00,0x16,0x0E,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,
0x00,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,// , 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
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,
0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,// ; 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
0x00,0x20,0x10,0x08,0x04,0x08,0x10,0x20,
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
0x00,0x02,0x04,0x08,0x00,0x00,0x00,0x00,
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
0x00,0x80,0x80,0x00,0x80,0x80,0x00,0x00,
0x00,0x20,0x3F,0x21,0x00,0x20,0x3F,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
0x00,0x80,0x40,0x40,0x80,0x00,0x00,0x80,
0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,// ~ 94
};
/*宽6像素，高8像素*/
const uint8_t LCD_F6x8[][6] =
{
0x00,0x00,0x00,0x00,0x00,0x00,// 0
0x00,0x00,0x00,0x2F,0x00,0x00,// ! 1
0x00,0x00,0x07,0x00,0x07,0x00,// " 2
0x00,0x14,0x7F,0x14,0x7F,0x14,// # 3
0x00,0x24,0x2A,0x7F,0x2A,0x12,// $ 4
0x00,0x23,0x13,0x08,0x64,0x62,// % 5
0x00,0x36,0x49,0x55,0x22,0x50,// & 6
0x00,0x00,0x00,0x07,0x00,0x00,// ' 7
0x00,0x00,0x1C,0x22,0x41,0x00,// ( 8
0x00,0x00,0x41,0x22,0x1C,0x00,// ) 9
0x00,0x14,0x08,0x3E,0x08,0x14,// * 10
0x00,0x08,0x08,0x3E,0x08,0x08,// + 11
0x00,0x00,0x00,0xA0,0x60,0x00,// , 12
0x00,0x08,0x08,0x08,0x08,0x08,// - 13
0x00,0x00,0x60,0x60,0x00,0x00,// . 14
0x00,0x20,0x10,0x08,0x04,0x02,// / 15
0x00,0x3E,0x51,0x49,0x45,0x3E,// 0 16
0x00,0x00,0x42,0x7F,0x40,0x00,// 1 17
0x00,0x42,0x61,0x51,0x49,0x46,// 2 18
0x00,0x21,0x41,0x45,0x4B,0x31,// 3 19
0x00,0x18,0x14,0x12,0x7F,0x10,// 4 20
0x00,0x27,0x45,0x45,0x45,0x39,// 5 21
0x00,0x3C,0x4A,0x49,0x49,0x30,// 6 22
0x00,0x01,0x71,0x09,0x05,0x03,// 7 23
0x00,0x36,0x49,0x49,0x49,0x36,// 8 24
0x00,0x06,0x49,0x49,0x29,0x1E,// 9 25
0x00,0x00,0x36,0x36,0x00,0x00,// : 26
0x00,0x00,0x56,0x36,0x00,0x00,// ; 27
0x00,0x08,0x14,0x22,0x41,0x00,// < 28
0x00,0x14,0x14,0x14,0x14,0x14,// = 29
0x00,0x00,0x41,0x22,0x14,0x08,// > 30
0x00,0x02,0x01,0x51,0x09,0x06,// ? 31
0x00,0x3E,0x49,0x55,0x59,0x2E,// @ 32
0x00,0x7C,0x12,0x11,0x12,0x7C,// A 33
0x00,0x7F,0x49,0x49,0x49,0x36,// B 34
0x00,0x3E,0x41,0x41,0x41,0x22,// C 35
0x00,0x7F,0x41,0x41,0x22,0x1C,// D 36
0x00,0x7F,0x49,0x49,0x49,0x41,// E 37
0x00,0x7F,0x09,0x09,0x09,0x01,// F 38
0x00,0x3E,0x41,0x49,0x49,0x7A,// G 39
0x00,0x7F,0x08,0x08,0x08,0x7F,// H 40
0x00,0x00,0x41,0x7F,0x41,0x00,// I 41
0x00,0x20,0x40,0x41,0x3F,0x01,// J 42
0x00,0x7F,0x08,0x14,0x22,0x41,// K 43
0x00,0x7F,0x40,0x40,0x40,0x40,// L 44
0x00,0x7F,0x02,0x0C,0x02,0x7F,// M 45
0x00,0x7F,0x04,0x08,0x10,0x7F,// N 46
0x00,0x3E,0x41,0x41,0x41,0x3E,// O 47
0x00,0x7F,0x09,0x09,0x09,0x06,// P 48
0x00,0x3E,0x41,0x51,0x21,0x5E,// Q 49
0x00,0x7F,0x09,0x19,0x29,0x46,// R 50
0x00,0x46,0x49,0x49,0x49,0x31,// S 51
0x00,0x01,0x01,0x7F,0x01,0x01,// T 52
0x00,0x3F,0x40,0x40,0x40,0x3F,// U 53
0x00,0x1F,0x20,0x40,0x20,0x1F,// V 54
0x00,0x3F,0x40,0x38,0x40,0x3F,// W 55
0x00,0x63,0x14,0x08,0x14,0x63,// X 56
0x00,0x07,0x08,0x70,0x08,0x07,// Y 57
0x00,0x61,0x51,0x49,0x45,0x43,// Z 58
0x00,0x00,0x7F,0x41,0x41,0x00,// [ 59
0x00,0x02,0x04,0x08,0x10,0x20,// \ 60
0x00,0x00,0x41,0x41,0x7F,0x00,// ] 61
0x00,0x04,0x02,0x01,0x02,0x04,// ^ 62
0x00,0x40,0x40,0x40,0x40,0x40,// _ 63
0x00,0x00,0x01,0x02,0x04,0x00,// ` 64
0x00,0x20,0x54,0x54,0x54,0x78,// a 65
0x00,0x7F,0x48,0x44,0x44,0x38,// b 66
0x00,0x38,0x44,0x44,0x44,0x20,// c 67
0x00,0x38,0x44,0x44,0x48,0x7F,// d 68
0x00,0x38,0x54,0x54,0x54,0x18,// e 69
0x00,0x08,0x7E,0x09,0x01,0x02,// f 70
0x00,0x18,0xA4,0xA4,0xA4,0x7C,// g 71
0x00,0x7F,0x08,0x04,0x04,0x78,// h 72
0x00,0x00,0x44,0x7D,0x40,0x00,// i 73
0x00,0x40,0x80,0x84,0x7D,0x00,// j 74
0x00,0x7F,0x10,0x28,0x44,0x00,// k 75
0x00,0x00,0x41,0x7F,0x40,0x00,// l 76
0x00,0x7C,0x04,0x18,0x04,0x78,// m 77
0x00,0x7C,0x08,0x04,0x04,0x78,// n 78
0x00,0x38,0x44,0x44,0x44,0x38,// o 79
0x00,0xFC,0x24,0x24,0x24,0x18,// p 80
0x00,0x18,0x24,0x24,0x18,0xFC,// q 81
0x00,0x7C,0x08,0x04,0x04,0x08,// r 82
0x00,0x48,0x54,0x54,0x54,0x20,// s 83
0x00,0x04,0x3F,0x44,0x40,0x20,// t 84
0x00,0x3C,0x40,0x40,0x20,0x7C,// u 85
0x00,0x1C,0x20,0x40,0x20,0x1C,// v 86
0x00,0x3C,0x40,0x30,0x40,0x3C,// w 87
0x00,0x44,0x28,0x10,0x28,0x44,// x 88
0x00,0x1C,0xA0,0xA0,0xA0,0x7C,// y 89
0x00,0x44,0x64,0x54,0x4C,0x44,// z 90
0x00,0x00,0x08,0x7F,0x41,0x00,// { 91
0x00,0x00,0x00,0x7F,0x00,0x00,// | 92
0x00,0x00,0x41,0x7F,0x08,0x00,// } 93
0x00,0x08,0x04,0x08,0x10,0x08,// ~ 94
};

10
STM32F103C8T6/Drivers/BSP/LCD/lcd_data.h Normal file
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@@ -0,0 +1,10 @@
#ifndef __LCD_DATA_H_
#define __LCD_DATA_H_
#include <stdint.h>
/*ASCII字模数据声明*/
extern const uint8_t LCD_F8x16[][16];
extern const uint8_t LCD_F6x8[][6];
#endif

621
STM32F103C8T6/Drivers/BSP/LCD/st7735s.c Normal file
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@@ -0,0 +1,621 @@
/*
* 模块名称：ST7735S LCD驱动
* 模块功能：提供128x160 RGB TFT屏幕的初始化、画点、画线、填充、显示字符串等功能
* 适用平台：STM32F103C8T6 + SPI2
* 作者：王建锋
* 创建日期：2026-07-13
* 修改记录：
* 2026-07-13 王建锋 创建初始版本
*/
#include "st7735s.h"
#include "lcd_data.h"
#include "spi.h"
#include <stdio.h>
#include <string.h>
static uint16_t s_lcd_width = LCD_WIDTH;
static uint16_t s_lcd_height = LCD_HEIGHT;
extern DMA_HandleTypeDef hdma_spi2_tx;
/* 8x16 ASCII字体（ASCII 32-126），每字符16字节 - 定义在 lcd_data.c 中 */
/*
* 函数功能：软件SPI写一个字节
* 入口参数：data - 要发送的数据
* 返回值：无
* 函数说明：模拟SPI时序发送一个字节，MSB先
*/
static void st7735s_spi_write_byte(uint8_t data)
{
uint8_t i;
for (i = 0; i < 8; i++) {
HAL_GPIO_WritePin(LCD_SCL_PORT, LCD_SCL_PIN, GPIO_PIN_RESET);
if (data & 0x80) {
HAL_GPIO_WritePin(LCD_SDA_PORT, LCD_SDA_PIN, GPIO_PIN_SET);
} else {
HAL_GPIO_WritePin(LCD_SDA_PORT, LCD_SDA_PIN, GPIO_PIN_RESET);
}
__NOP();
__NOP();
HAL_GPIO_WritePin(LCD_SCL_PORT, LCD_SCL_PIN, GPIO_PIN_SET);
__NOP();
__NOP();
data <<= 1;
}
}
/*
* 函数功能：写入命令
* 入口参数：cmd - 命令字节
* 返回值：无
* 函数说明：拉低DC，选择芯片，发送命令，释放芯片
*/
static void st7735s_write_cmd(uint8_t cmd)
{
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_RESET);
HAL_GPIO_WritePin(LCD_DC_PORT, LCD_DC_PIN, GPIO_PIN_RESET);
st7735s_spi_write_byte(cmd);
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_SET);
}
/*
* 函数功能：写入数据
* 入口参数：data - 数据字节
* 返回值：无
* 函数说明：拉高DC，选择芯片，发送数据，释放芯片
*/
static void st7735s_write_data(uint8_t data)
{
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_RESET);
HAL_GPIO_WritePin(LCD_DC_PORT, LCD_DC_PIN, GPIO_PIN_SET);
st7735s_spi_write_byte(data);
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_SET);
}
/*
* 函数功能：写入多字节数据（CS保持低）
* 入口参数：p_data - 数据缓冲区指针
* len - 字节数
* 返回值：无
* 函数说明：用于连续写入多个数据字节，省去中间CS跳变
*/
static void st7735s_write_data_multi(const uint8_t *p_data, uint16_t len)
{
uint16_t i;
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_RESET);
HAL_GPIO_WritePin(LCD_DC_PORT, LCD_DC_PIN, GPIO_PIN_SET);
for (i = 0; i < len; i++) {
st7735s_spi_write_byte(p_data[i]);
}
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_SET);
}
/*
* 函数功能：写入16位颜色数据
* 入口参数：p_color - 16位颜色缓冲区指针
* len - 像素个数
* 返回值：无
* 函数说明：MSB先发送RGB565数据
*/
static void st7735s_write_colors(uint16_t *p_color, uint16_t len)
{
uint16_t i;
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_RESET);
HAL_GPIO_WritePin(LCD_DC_PORT, LCD_DC_PIN, GPIO_PIN_SET);
for (i = 0; i < len; i++) {
st7735s_spi_write_byte((uint8_t)(p_color[i] >> 8));
st7735s_spi_write_byte((uint8_t)(p_color[i] & 0xFF));
}
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_SET);
}
/*
* 函数功能：LCD初始化
* 入口参数：无
* 返回值：无
* 函数说明：执行ST7735S标准初始化序列
*/
void st7735s_init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
printf("LCD init start (soft SPI)...\r\n");
/* 将SCL和SDA引脚切换为GPIO输出（软件SPI） */
GPIO_InitStruct.Pin = LCD_SCL_PIN | LCD_SDA_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
HAL_GPIO_WritePin(LCD_SCL_PORT, LCD_SCL_PIN, GPIO_PIN_SET);
HAL_GPIO_WritePin(LCD_SDA_PORT, LCD_SDA_PIN, GPIO_PIN_SET);
/* 确保CS和RST初始为高，避免LCD在初始化期间被错误选中 */
HAL_GPIO_WritePin(LCD_CS_PORT, LCD_CS_PIN, GPIO_PIN_SET);
HAL_GPIO_WritePin(LCD_RST_PORT, LCD_RST_PIN, GPIO_PIN_SET);
HAL_GPIO_WritePin(LCD_DC_PORT, LCD_DC_PIN, GPIO_PIN_RESET);
HAL_Delay(10);
printf("IO: RST=%d DC=%d CS=%d\r\n",
(int)HAL_GPIO_ReadPin(LCD_RST_PORT, LCD_RST_PIN),
(int)HAL_GPIO_ReadPin(LCD_DC_PORT, LCD_DC_PIN),
(int)HAL_GPIO_ReadPin(LCD_CS_PORT, LCD_CS_PIN));
/* 硬件复位 */
printf("HW reset...\r\n");
HAL_GPIO_WritePin(LCD_RST_PORT, LCD_RST_PIN, GPIO_PIN_RESET);
HAL_Delay(10);
HAL_GPIO_WritePin(LCD_RST_PORT, LCD_RST_PIN, GPIO_PIN_SET);
HAL_Delay(120);
/* 软件复位 */
printf("SW reset...\r\n");
st7735s_write_cmd(LCD_CMD_SWRESET);
HAL_Delay(150);
/* 退出睡眠模式 */
printf("Sleep out...\r\n");
st7735s_write_cmd(LCD_CMD_SLPOUT);
HAL_Delay(500);
/* 帧率控制 */
printf("Frame rate...\r\n");
st7735s_write_cmd(LCD_CMD_FRMCTR1);
st7735s_write_data(0x01);
st7735s_write_data(0x2C);
st7735s_write_data(0x2D);
st7735s_write_cmd(LCD_CMD_FRMCTR2);
st7735s_write_data(0x01);
st7735s_write_data(0x2C);
st7735s_write_data(0x2D);
st7735s_write_cmd(LCD_CMD_FRMCTR3);
st7735s_write_data(0x01);
st7735s_write_data(0x2C);
st7735s_write_data(0x2D);
st7735s_write_data(0x01);
st7735s_write_data(0x2C);
st7735s_write_data(0x2D);
/* 显示反转控制 */
st7735s_write_cmd(LCD_CMD_INVCTR);
st7735s_write_data(0x07);
/* 功率控制 */
printf("Power ctrl...\r\n");
st7735s_write_cmd(LCD_CMD_PWCTR1);
st7735s_write_data(0xA2);
st7735s_write_data(0x02);
st7735s_write_data(0x84);
st7735s_write_cmd(LCD_CMD_PWCTR2);
st7735s_write_data(0xC5);
st7735s_write_cmd(LCD_CMD_PWCTR3);
st7735s_write_data(0x0A);
st7735s_write_data(0x00);
st7735s_write_cmd(LCD_CMD_PWCTR4);
st7735s_write_data(0x8A);
st7735s_write_data(0x2A);
st7735s_write_cmd(LCD_CMD_PWCTR5);
st7735s_write_data(0x8A);
st7735s_write_data(0xEE);
/* VCOM控制 */
st7735s_write_cmd(LCD_CMD_VMCTR1);
st7735s_write_data(0x0E);
/* 竖屏模式 */
printf("MADCTL...\r\n");
st7735s_write_cmd(LCD_CMD_MADCTL);
st7735s_write_data(0xC8);
/* 像素格式: 16位RGB565 */
printf("COLMOD...\r\n");
st7735s_write_cmd(LCD_CMD_COLMOD);
st7735s_write_data(0x05);
/* Gamma校正 */
printf("Gamma...\r\n");
st7735s_write_cmd(LCD_CMD_GMCTRP1);
st7735s_write_data(0x02);
st7735s_write_data(0x1C);
st7735s_write_data(0x07);
st7735s_write_data(0x12);
st7735s_write_data(0x37);
st7735s_write_data(0x32);
st7735s_write_data(0x29);
st7735s_write_data(0x2D);
st7735s_write_data(0x29);
st7735s_write_data(0x25);
st7735s_write_data(0x2B);
st7735s_write_data(0x39);
st7735s_write_data(0x00);
st7735s_write_data(0x01);
st7735s_write_data(0x03);
st7735s_write_data(0x10);
st7735s_write_cmd(LCD_CMD_GMCTRN1);
st7735s_write_data(0x03);
st7735s_write_data(0x1D);
st7735s_write_data(0x07);
st7735s_write_data(0x06);
st7735s_write_data(0x2E);
st7735s_write_data(0x2C);
st7735s_write_data(0x29);
st7735s_write_data(0x2D);
st7735s_write_data(0x2E);
st7735s_write_data(0x2E);
st7735s_write_data(0x37);
st7735s_write_data(0x3F);
st7735s_write_data(0x00);
st7735s_write_data(0x00);
st7735s_write_data(0x02);
st7735s_write_data(0x10);
/* 关闭反转 */
st7735s_write_cmd(0x20);
/* 进入正常显示模式（关键！） */
printf("NORON...\r\n");
st7735s_write_cmd(0x13);
HAL_Delay(10);
/* 开启显示 */
printf("DISPON...\r\n");
st7735s_write_cmd(LCD_CMD_DISPON);
HAL_Delay(100);
printf("LCD init done\r\n");
}
/*
* 函数功能：设置显示窗口
* 入口参数：x1 - 起始列
* y1 - 起始行
* x2 - 结束列
* y2 - 结束行
* 返回值：无
* 函数说明：设置后续写入操作的窗口区域
*/
void st7735s_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
{
st7735s_write_cmd(LCD_CMD_CASET);
st7735s_write_data(0x00);
st7735s_write_data((uint8_t)x1);
st7735s_write_data(0x00);
st7735s_write_data((uint8_t)x2);
st7735s_write_cmd(LCD_CMD_RASET);
st7735s_write_data(0x00);
st7735s_write_data((uint8_t)y1);
st7735s_write_data(0x00);
st7735s_write_data((uint8_t)y2);
st7735s_write_cmd(LCD_CMD_RAMWR);
}
/*
* 函数功能：填充矩形区域
* 入口参数：x1 - 起始列
* y1 - 起始行
* x2 - 结束列
* y2 - 结束行
* color - 填充颜色 (RGB565)
* 返回值：无
* 函数说明：用指定颜色填充矩形区域
*/
void st7735s_fill_rect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
{
uint32_t pixel_count;
uint16_t i;
uint16_t buf[64];
if (x1 > x2) {
uint16_t t = x1;
x1 = x2;
x2 = t;
}
if (y1 > y2) {
uint16_t t = y1;
y1 = y2;
y2 = t;
}
pixel_count = (uint32_t)(x2 - x1 + 1) * (y2 - y1 + 1);
/* 预填充颜色缓冲区 */
for (i = 0; i < 64; i++) {
buf[i] = color;
}
st7735s_set_window(x1, y1, x2, y2);
/* 分块发送 */
while (pixel_count >= 64) {
st7735s_write_colors(buf, 64);
pixel_count -= 64;
}
if (pixel_count > 0) {
st7735s_write_colors(buf, (uint16_t)pixel_count);
}
}
/*
* 函数功能：全屏填充
* 入口参数：color - 填充颜色 (RGB565)
* 返回值：无
* 函数说明：用指定颜色填充整个屏幕
*/
void st7735s_fill_screen(uint16_t color)
{
printf("fill_screen 0x%04X\r\n", color);
st7735s_fill_rect(0, 0, s_lcd_width - 1, s_lcd_height - 1, color);
}
/*
* 函数功能：画点
* 入口参数：x - 列坐标
* y - 行坐标
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：在指定位置画一个点
*/
void st7735s_draw_pixel(uint16_t x, uint16_t y, uint16_t color)
{
if (x >= s_lcd_width || y >= s_lcd_height) {
return;
}
st7735s_set_window(x, y, x, y);
st7735s_write_data((uint8_t)(color >> 8));
st7735s_write_data((uint8_t)color);
}
/*
* 函数功能：画线
* 入口参数：x1 - 起始列
* y1 - 起始行
* x2 - 结束列
* y2 - 结束行
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：画一条直线（Bresenham算法）
*/
void st7735s_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)
{
int16_t dx;
int16_t dy;
int16_t sx;
int16_t sy;
int16_t err;
int16_t e2;
uint16_t x;
uint16_t y;
if (x1 == x2) {
/* 垂直线 */
if (y1 > y2) {
y = y1;
y1 = y2;
y2 = y;
}
st7735s_fill_rect(x1, y1, x1, y2, color);
return;
}
if (y1 == y2) {
/* 水平线 */
if (x1 > x2) {
x = x1;
x1 = x2;
x2 = x;
}
st7735s_fill_rect(x1, y1, x2, y1, color);
return;
}
dx = (int16_t)x2 - (int16_t)x1;
if (dx < 0) {
dx = -dx;
}
sx = x1 < x2 ? 1 : -1;
dy = (int16_t)y2 - (int16_t)y1;
if (dy < 0) {
dy = -dy;
}
sy = y1 < y2 ? 1 : -1;
err = (dx > dy ? dx : -dy) / 2;
x = x1;
y = y1;
while (1) {
st7735s_draw_pixel(x, y, color);
if (x == x2 && y == y2) {
break;
}
e2 = err;
if (e2 > -dx) {
err -= dy;
x += sx;
}
if (e2 < dy) {
err += dx;
y += sy;
}
}
}
/*
* 函数功能：画矩形
* 入口参数：x - 左上角列
* y - 左上角行
* width - 宽度
* height - 高度
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：画一个空心矩形
*/
void st7735s_draw_rect(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color)
{
st7735s_draw_line(x, y, x + width - 1, y, color);
st7735s_draw_line(x, y + height - 1, x + width - 1, y + height - 1, color);
st7735s_draw_line(x, y, x, y + height - 1, color);
st7735s_draw_line(x + width - 1, y, x + width - 1, y + height - 1, color);
}
/*
* 函数功能：画圆
* 入口参数：x0 - 圆心列
* y0 - 圆心行
* radius - 半径
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：画一个空心圆（Bresenham算法）
*/
void st7735s_draw_circle(uint16_t x0, uint16_t y0, uint16_t radius, uint16_t color)
{
int16_t f = 1 - radius;
int16_t ddf_x = 1;
int16_t ddf_y = -2 * radius;
int16_t x = 0;
int16_t y = radius;
st7735s_draw_pixel(x0, y0 + radius, color);
st7735s_draw_pixel(x0, y0 - radius, color);
st7735s_draw_pixel(x0 + radius, y0, color);
st7735s_draw_pixel(x0 - radius, y0, color);
while (x < y) {
if (f >= 0) {
y--;
ddf_y += 2;
f += ddf_y;
}
x++;
ddf_x += 2;
f += ddf_x;
st7735s_draw_pixel(x0 + x, y0 + y, color);
st7735s_draw_pixel(x0 - x, y0 + y, color);
st7735s_draw_pixel(x0 + x, y0 - y, color);
st7735s_draw_pixel(x0 - x, y0 - y, color);
st7735s_draw_pixel(x0 + y, y0 + x, color);
st7735s_draw_pixel(x0 - y, y0 + x, color);
st7735s_draw_pixel(x0 + y, y0 - x, color);
st7735s_draw_pixel(x0 - y, y0 - x, color);
}
}
/*
* 函数功能：显示字符
* 入口参数：x - 列坐标
* y - 行坐标
* ch - 字符 (ASCII 32-126)
* color - 字符颜色 (RGB565)
* bg_color - 背景颜色 (RGB565)
* 返回值：无
* 函数说明：在指定位置显示一个8x16 ASCII字符
*/
void st7735s_draw_char(uint16_t x, uint16_t y, char ch, uint16_t color, uint16_t bg_color)
{
uint16_t i;
uint16_t j;
uint8_t line;
if (ch < 32 || ch > 126) {
ch = ' ';
}
for (i = 0; i < 16; i++) {
line = LCD_F8x16[ch - 32][i];
for (j = 0; j < 8; j++) {
if (line & 0x80) {
st7735s_draw_pixel(x + j, y + i, color);
} else {
st7735s_draw_pixel(x + j, y + i, bg_color);
}
line <<= 1;
}
}
}
/*
* 函数功能：显示字符串
* 入口参数：x - 列坐标
* y - 行坐标
* str - 字符串指针
* color - 字符颜色 (RGB565)
* bg_color - 背景颜色 (RGB565)
* 返回值：无
* 函数说明：在指定位置显示字符串
*/
void st7735s_draw_string(uint16_t x, uint16_t y, const char *str, uint16_t color, uint16_t bg_color)
{
while (*str) {
if (x + 8 > s_lcd_width) {
x = 0;
y += 16;
}
if (y + 16 > s_lcd_height) {
break;
}
st7735s_draw_char(x, y, *str, color, bg_color);
x += FONT_WIDTH_8;
str++;
}
}
/*
* 函数功能：设置屏幕方向
* 入口参数：rotation - 方向 (0-3)
* 返回值：无
* 函数说明：0:竖屏 1:横屏 2:竖屏反转 3:横屏反转
*/
void st7735s_set_rotation(uint8_t rotation)
{
st7735s_write_cmd(LCD_CMD_MADCTL);
switch (rotation) {
case 0:
st7735s_write_data(0xC8);
s_lcd_width = 128;
s_lcd_height = 160;
break;
case 1:
st7735s_write_data(0x78);
s_lcd_width = 160;
s_lcd_height = 128;
break;
case 2:
st7735s_write_data(0x08);
s_lcd_width = 128;
s_lcd_height = 160;
break;
case 3:
st7735s_write_data(0xA8);
s_lcd_width = 160;
s_lcd_height = 128;
break;
default:
break;
}
}
/*
* 函数功能：设置背光
* 入口参数：state - 1:开 0:关
* 返回值：无
* 函数说明：控制LCD背光（如有硬件背光控制）
*/
void st7735s_backlight(uint8_t state)
{
(void)state;
/* 当前硬件未连接背光控制引脚，预留接口 */
}

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/*
* 模块名称：ST7735S LCD驱动
* 模块功能：提供128x160 RGB TFT屏幕的初始化、画点、画线、填充、显示字符串等功能
* 适用平台：STM32F103C8T6 + SPI2
* 作者：王建锋
* 创建日期：2026-07-13
* 修改记录：
* 2026-07-13 王建锋 创建初始版本
*/
#ifndef __ST7735S_H
#define __ST7735S_H
#ifdef __cplusplus
extern "C" {
#endif
#include "main.h"
#include <stdint.h>
/* 屏幕参数 */
#define LCD_WIDTH 128 /* 屏幕宽度 */
#define LCD_HEIGHT 160 /* 屏幕高度 */
/* 颜色定义 (RGB565) */
#define COLOR_BLACK 0x0000
#define COLOR_WHITE 0xFFFF
#define COLOR_RED 0xF800
#define COLOR_GREEN 0x07E0
#define COLOR_BLUE 0x001F
#define COLOR_YELLOW 0xFFE0
#define COLOR_CYAN 0x07FF
#define COLOR_MAGENTA 0xF81F
#define COLOR_ORANGE 0xFD20
#define COLOR_DARK_BLUE 0x0010
#define COLOR_DARK_GREEN 0x0200
#define COLOR_DARK_RED 0x8000
/* 颜色转换宏 */
#define RGB565(r, g, b) ((uint16_t)(((r) & 0xF8) << 8 | ((g) & 0xFC) << 3 | ((b) >> 3)))
/* LCD控制引脚定义 - 根据CubeMX配置修改 */
#define LCD_CS_PORT LCD_CS_GPIO_Port
#define LCD_CS_PIN LCD_CS_Pin
#define LCD_DC_PORT LCD_DC_GPIO_Port
#define LCD_DC_PIN LCD_DC_Pin
#define LCD_RST_PORT LCD_RST_GPIO_Port
#define LCD_RST_PIN LCD_RST_Pin
#define LCD_SCL_PORT GPIOB
#define LCD_SCL_PIN GPIO_PIN_13
#define LCD_SDA_PORT GPIOB
#define LCD_SDA_PIN GPIO_PIN_15
/* LCD命令定义 */
#define LCD_CMD_SWRESET 0x01 /* 软件复位 */
#define LCD_CMD_SLPOUT 0x11 /* 退出睡眠 */
#define LCD_CMD_DISPON 0x29 /* 显示开启 */
#define LCD_CMD_DISPOFF 0x28 /* 显示关闭 */
#define LCD_CMD_CASET 0x2A /* 列地址设置 */
#define LCD_CMD_RASET 0x2B /* 行地址设置 */
#define LCD_CMD_RAMWR 0x2C /* 写入显存 */
#define LCD_CMD_MADCTL 0x36 /* 存储器访问控制 */
#define LCD_CMD_COLMOD 0x3A /* 像素格式设置 */
#define LCD_CMD_FRMCTR1 0xB1 /* 帧率控制1 */
#define LCD_CMD_FRMCTR2 0xB2 /* 帧率控制2 */
#define LCD_CMD_FRMCTR3 0xB3 /* 帧率控制3 */
#define LCD_CMD_INVCTR 0xB4 /* 显示反转控制 */
#define LCD_CMD_PWCTR1 0xC0 /* 功率控制1 */
#define LCD_CMD_PWCTR2 0xC1 /* 功率控制2 */
#define LCD_CMD_PWCTR3 0xC2 /* 功率控制3 */
#define LCD_CMD_PWCTR4 0xC3 /* 功率控制4 */
#define LCD_CMD_PWCTR5 0xC4 /* 功率控制5 */
#define LCD_CMD_VMCTR1 0xC5 /* VCOM控制1 */
#define LCD_CMD_GMCTRP1 0xE0 /* Gamma正向校正 */
#define LCD_CMD_GMCTRN1 0xE1 /* Gamma反向校正 */
/* 字体定义 */
#define FONT_WIDTH_8 8 /* 8x16字体宽度（含间距） */
#define FONT_HEIGHT_16 16 /* 8x16字体高度 */
/*
* 函数功能：LCD初始化
* 入口参数：无
* 返回值：无
* 函数说明：初始化ST7735S屏幕，包括SPI、GPIO、显示参数配置
*/
void st7735s_init(void);
/*
* 函数功能：设置显示窗口
* 入口参数：x1 - 起始列
* y1 - 起始行
* x2 - 结束列
* y2 - 结束行
* 返回值：无
* 函数说明：设置后续写入操作的窗口区域
*/
void st7735s_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
/*
* 函数功能：填充矩形区域
* 入口参数：x1 - 起始列
* y1 - 起始行
* x2 - 结束列
* y2 - 结束行
* color - 填充颜色 (RGB565)
* 返回值：无
* 函数说明：用指定颜色填充矩形区域
*/
void st7735s_fill_rect(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);
/*
* 函数功能：全屏填充
* 入口参数：color - 填充颜色 (RGB565)
* 返回值：无
* 函数说明：用指定颜色填充整个屏幕
*/
void st7735s_fill_screen(uint16_t color);
/*
* 函数功能：画点
* 入口参数：x - 列坐标
* y - 行坐标
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：在指定位置画一个点
*/
void st7735s_draw_pixel(uint16_t x, uint16_t y, uint16_t color);
/*
* 函数功能：画线
* 入口参数：x1 - 起始列
* y1 - 起始行
* x2 - 结束列
* y2 - 结束行
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：画一条直线（Bresenham算法）
*/
void st7735s_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);
/*
* 函数功能：画矩形
* 入口参数：x - 左上角列
* y - 左上角行
* width - 宽度
* height - 高度
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：画一个空心矩形
*/
void st7735s_draw_rect(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
/*
* 函数功能：画圆
* 入口参数：x0 - 圆心列
* y0 - 圆心行
* radius - 半径
* color - 颜色 (RGB565)
* 返回值：无
* 函数说明：画一个空心圆（Bresenham算法）
*/
void st7735s_draw_circle(uint16_t x0, uint16_t y0, uint16_t radius, uint16_t color);
/*
* 函数功能：显示字符
* 入口参数：x - 列坐标
* y - 行坐标
* ch - 字符 (ASCII 32-126)
* color - 字符颜色 (RGB565)
* bg_color - 背景颜色 (RGB565)
* 返回值：无
* 函数说明：在指定位置显示一个8x16 ASCII字符
*/
void st7735s_draw_char(uint16_t x, uint16_t y, char ch, uint16_t color, uint16_t bg_color);
/*
* 函数功能：显示字符串
* 入口参数：x - 列坐标
* y - 行坐标
* str - 字符串指针
* color - 字符颜色 (RGB565)
* bg_color - 背景颜色 (RGB565)
* 返回值：无
* 函数说明：在指定位置显示字符串
*/
void st7735s_draw_string(uint16_t x, uint16_t y, const char *str, uint16_t color, uint16_t bg_color);
/*
* 函数功能：设置屏幕方向
* 入口参数：rotation - 方向 (0-3)
* 返回值：无
* 函数说明：设置屏幕显示方向
* 0: 竖屏
* 1: 横屏
* 2: 竖屏反转
* 3: 横屏反转
*/
void st7735s_set_rotation(uint8_t rotation);
/*
* 函数功能：设置背光
* 入口参数：state - 1:开 0:关
* 返回值：无
* 函数说明：控制LCD背光（如有硬件背光控制）
*/
void st7735s_backlight(uint8_t state);
#ifdef __cplusplus
}
#endif
#endif /* __ST7735S_H */

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/*
* 模块名称：按键驱动适配层
* 模块功能：提供MultiButton库与STM32 HAL库的适配接口
* 适用平台：STM32F103C8T6
* 作者：王建锋
* 创建日期：2026-07-13
* 修改记录：
* 2026-07-13 王建锋 创建初始版本
*/
#include "button_driver.h"
#include "main.h"
#include <stdio.h>
/* 按键句柄数组 */
static Button s_button_handles[BUTTON_ID_MAX];
/* 按键GPIO端口和引脚映射表 */
typedef struct {
GPIO_TypeDef* port; /* GPIO端口 */
uint16_t pin; /* GPIO引脚 */
} ButtonGpio_t;
static const ButtonGpio_t s_button_gpio[BUTTON_ID_MAX] = {
{KEY1_GPIO_Port, KEY1_Pin}, /* KEY1: PB4 左上*/
{KEY2_GPIO_Port, KEY2_Pin}, /* KEY2: PB5 右上*/
{KEY3_GPIO_Port, KEY3_Pin}, /* KEY3: PB3 右下*/
{KEY4_GPIO_Port, KEY4_Pin}, /* KEY4: PC14 左下*/
{KEY5_GPIO_Port, KEY5_Pin}, /* KEY5: PC15 中间*/
};
/*
* 函数功能：获取指定按键的电平状态
* 入口参数：button_id - 按键标识符
* 返回值：GPIO电平值 (0或1)
* 函数说明：根据按键ID读取对应GPIO引脚的电平
*/
uint8_t button_driver_read_level(uint8_t button_id)
{
if (button_id >= BUTTON_ID_MAX) {
return 0;
}
return HAL_GPIO_ReadPin(s_button_gpio[button_id].port, s_button_gpio[button_id].pin);
}
/*
* 函数功能：KEY1按键回调函数
* 入口参数：handle - 按键句柄
* user_data - 用户数据指针
* 返回值：无
* 函数说明：KEY1按下时翻转LED
*/
static void button_key1_callback(Button* handle, void* user_data)
{
(void)handle;
(void)user_data;
printf("KEY1\n");
}
/*
* 函数功能：KEY2单击回调函数
* 入口参数：handle - 按键句柄
* user_data - 用户数据指针
* 返回值：无
* 函数说明：KEY2单击时点亮LED
*/
static void button_key2_single_click(Button* handle, void* user_data)
{
(void)handle;
(void)user_data;
printf("KEY2\n");
}
/*
* 函数功能：KEY3单击回调函数
* 入口参数：handle - 按键句柄
* user_data - 用户数据指针
* 返回值：无
* 函数说明：KEY3单击事件处理
*/
static void button_key3_single_click(Button* handle, void* user_data)
{
(void)handle;
(void)user_data;
printf("KEY3: \n");
}
/*
* 函数功能：KEY4单击回调函数
* 入口参数：handle - 按键句柄
* user_data - 用户数据指针
* 返回值：无
* 函数说明：KEY4单击事件处理
*/
static void button_key4_single_click(Button* handle, void* user_data)
{
(void)handle;
(void)user_data;
printf("KEY4\n");
}
/*
* 函数功能：KEY5单击回调函数
* 入口参数：handle - 按键句柄
* user_data - 用户数据指针
* 返回值：无
* 函数说明：KEY5单击事件处理
*/
static void button_key5_single_click(Button* handle, void* user_data)
{
(void)handle;
(void)user_data;
printf("KEY5\n");
}
/*
* 函数功能：按键驱动初始化
* 入口参数：无
* 返回值：无
* 函数说明：初始化所有按键对象，注册回调函数，启动按键轮询
*/
void button_driver_init(void)
{
/* 初始化KEY1 */
button_init(&s_button_handles[BUTTON_ID_KEY1],
button_driver_read_level,
BUTTON_ACTIVE_LEVEL_LOW,
BUTTON_ID_KEY1);
button_attach(&s_button_handles[BUTTON_ID_KEY1],
BTN_SINGLE_CLICK,
button_key1_callback,
NULL);
button_start(&s_button_handles[BUTTON_ID_KEY1]);
/* 初始化KEY2 */
button_init(&s_button_handles[BUTTON_ID_KEY2],
button_driver_read_level,
BUTTON_ACTIVE_LEVEL_LOW,
BUTTON_ID_KEY2);
button_attach(&s_button_handles[BUTTON_ID_KEY2],
BTN_SINGLE_CLICK,
button_key2_single_click,
NULL);
button_start(&s_button_handles[BUTTON_ID_KEY2]);
/* 初始化KEY3 */
button_init(&s_button_handles[BUTTON_ID_KEY3],
button_driver_read_level,
BUTTON_ACTIVE_LEVEL_LOW,
BUTTON_ID_KEY3);
button_attach(&s_button_handles[BUTTON_ID_KEY3],
BTN_SINGLE_CLICK,
button_key3_single_click,
NULL);
button_start(&s_button_handles[BUTTON_ID_KEY3]);
/* 初始化KEY4 */
button_init(&s_button_handles[BUTTON_ID_KEY4],
button_driver_read_level,
BUTTON_ACTIVE_LEVEL_LOW,
BUTTON_ID_KEY4);
button_attach(&s_button_handles[BUTTON_ID_KEY4],
BTN_SINGLE_CLICK,
button_key4_single_click,
NULL);
button_start(&s_button_handles[BUTTON_ID_KEY4]);
/* 初始化KEY5 */
button_init(&s_button_handles[BUTTON_ID_KEY5],
button_driver_read_level,
BUTTON_ACTIVE_LEVEL_LOW,
BUTTON_ID_KEY5);
button_attach(&s_button_handles[BUTTON_ID_KEY5],
BTN_SINGLE_CLICK,
button_key5_single_click,
NULL);
button_start(&s_button_handles[BUTTON_ID_KEY5]);
}
/*
* 函数功能：获取指定按键的事件
* 入口参数：button_id - 按键标识符
* 返回值：按键事件
* 函数说明：返回指定按键的当前事件
*/
ButtonEvent button_driver_get_event(uint8_t button_id)
{
if (button_id >= BUTTON_ID_MAX) {
return BTN_NONE_PRESS;
}
return button_get_event(&s_button_handles[button_id]);
}

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/*
* 模块名称：按键驱动适配层
* 模块功能：提供MultiButton库与STM32 HAL库的适配接口
* 适用平台：STM32F103C8T6
* 作者：王建锋
* 创建日期：2026-07-13
* 修改记录：
* 2026-07-13 王建锋 创建初始版本
*/
#ifndef __BUTTON_DRIVER_H
#define __BUTTON_DRIVER_H
#ifdef __cplusplus
extern "C" {
#endif
#include "multi_button.h"
#include "main.h"
/* 按键ID定义 */
typedef enum {
BUTTON_ID_KEY1 = 0, /* KEY1: PB4 */
BUTTON_ID_KEY2, /* KEY2: PB5 */
BUTTON_ID_KEY3, /* KEY3: PB3 */
BUTTON_ID_KEY4, /* KEY4: PC14 */
BUTTON_ID_KEY5, /* KEY5: PC15 */
BUTTON_ID_MAX /* 按键总数 */
} ButtonId_t;
/* 按键有效电平定义 */
#define BUTTON_ACTIVE_LEVEL_LOW 0 /* 低电平有效 */
#define BUTTON_ACTIVE_LEVEL_HIGH 1 /* 高电平有效 */
/*
* 函数功能：按键驱动初始化
* 入口参数：无
* 返回值：无
* 函数说明：初始化所有按键对象，注册回调函数，启动按键轮询
*/
void button_driver_init(void);
/*
* 函数功能：获取指定按键的电平状态
* 入口参数：button_id - 按键标识符
* 返回值：GPIO电平值 (0或1)
* 函数说明：根据按键ID读取对应GPIO引脚的电平
*/
uint8_t button_driver_read_level(uint8_t button_id);
/*
* 函数功能：获取指定按键的事件
* 入口参数：button_id - 按键标识符
* 返回值：按键事件
* 函数说明：返回指定按键的当前事件
*/
ButtonEvent button_driver_get_event(uint8_t button_id);
#ifdef __cplusplus
}
#endif
#endif /* __BUTTON_DRIVER_H */

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/*
* Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
* All rights reserved.
*/
#include "multi_button.h"
/* 回调执行宏，包含空值检查，传递user_data */
#define EVENT_CB(ev) do { if (handle->cb[ev]) handle->cb[ev](handle, handle->user_data); } while(0)
/* 按键句柄链表头 */
static Button* head_handle = NULL;
/* 前向声明 */
static void button_handler(Button* handle);
static inline uint8_t button_read_level(Button* handle);
/*
* 函数功能：初始化按键结构体句柄
* 入口参数：handle - 按键句柄结构体指针
* pin_level - 读取按键GPIO电平的函数指针
* active_level - 按下时的有效电平
* button_id - 按键标识符
* 返回值：无
* 函数说明：初始化按键状态机和所有参数
*/
void button_init(Button* handle, uint8_t(*pin_level)(uint8_t), uint8_t active_level, uint8_t button_id)
{
if (!handle || !pin_level) {
return;
}
memset(handle, 0, sizeof(Button));
handle->event = (uint8_t)BTN_NONE_PRESS;
handle->hal_button_level = pin_level;
handle->button_level = !active_level;
handle->active_level = active_level;
handle->button_id = button_id;
handle->state = BTN_STATE_IDLE;
}
/*
* 函数功能：绑定按键事件回调函数
* 入口参数：handle - 按键句柄结构体指针
* event - 触发事件类型
* cb - 回调函数
* user_data - 传递给回调的用户上下文指针
* 返回值：无
* 函数说明：为指定事件注册回调函数
*/
void button_attach(Button* handle, ButtonEvent event, BtnCallback cb, void* user_data)
{
if (!handle || event >= BTN_EVENT_COUNT) {
return;
}
handle->cb[event] = cb;
handle->user_data = user_data;
}
/*
* 函数功能：解绑按键事件回调函数
* 入口参数：handle - 按键句柄结构体指针
* event - 触发事件类型
* 返回值：无
* 函数说明：移除指定事件的回调函数
*/
void button_detach(Button* handle, ButtonEvent event)
{
if (!handle || event >= BTN_EVENT_COUNT) {
return;
}
handle->cb[event] = NULL;
}
/*
* 函数功能：获取按键事件
* 入口参数：handle - 按键句柄结构体指针
* 返回值：按键事件
* 函数说明：返回当前发生的按键事件
*/
ButtonEvent button_get_event(Button* handle)
{
if (!handle) {
return BTN_NONE_PRESS;
}
return (ButtonEvent)(handle->event);
}
/*
* 函数功能：获取按键重复按下次数
* 入口参数：handle - 按键句柄结构体指针
* 返回值：重复按下次数
* 函数说明：返回连击次数
*/
uint8_t button_get_repeat_count(Button* handle)
{
if (!handle) {
return 0;
}
return handle->repeat;
}
/*
* 函数功能：重置按键状态到空闲
* 入口参数：handle - 按键句柄结构体指针
* 返回值：无
* 函数说明：将按键状态机重置为初始状态
*/
void button_reset(Button* handle)
{
if (!handle) {
return;
}
handle->state = BTN_STATE_IDLE;
handle->ticks = 0;
handle->repeat = 0;
handle->event = (uint8_t)BTN_NONE_PRESS;
handle->debounce_cnt = 0;
}
/*
* 函数功能：检查按键是否按下
* 入口参数：handle - 按键句柄结构体指针
* 返回值：1 - 按下，0 - 未按下，-1 - 错误
* 函数说明：检查当前按键是否处于按下状态
*/
int button_is_pressed(Button* handle)
{
if (!handle) {
return -1;
}
return (handle->button_level == handle->active_level) ? 1 : 0;
}
/*
* 函数功能：读取按键电平
* 入口参数：handle - 按键句柄结构体指针
* 返回值：按键电平
* 函数说明：通过HAL函数读取GPIO电平
*/
static inline uint8_t button_read_level(Button* handle)
{
return handle->hal_button_level(handle->button_id);
}
/*
* 函数功能：按键驱动核心函数，驱动状态机
* 入口参数：handle - 按键句柄结构体指针
* 返回值：无
* 函数说明：实现按键消抖和事件检测的状态机
*/
static void button_handler(Button* handle)
{
uint8_t read_gpio_level = button_read_level(handle);
/* 非空闲状态下增加tick计数器（饱和处理） */
if (handle->state > BTN_STATE_IDLE) {
if (handle->ticks < UINT16_MAX) {
handle->ticks++;
}
}
/* 按键消抖处理 */
if (read_gpio_level != handle->button_level) {
if (++(handle->debounce_cnt) >= DEBOUNCE_TICKS) {
handle->button_level = read_gpio_level;
handle->debounce_cnt = 0;
}
} else {
handle->debounce_cnt = 0;
}
/* 状态机 */
switch (handle->state) {
case BTN_STATE_IDLE:
if (handle->button_level == handle->active_level) {
/* 检测到按键按下 */
handle->event = (uint8_t)BTN_PRESS_DOWN;
EVENT_CB(BTN_PRESS_DOWN);
handle->ticks = 0;
handle->repeat = 1;
handle->state = BTN_STATE_PRESS;
} else {
handle->event = (uint8_t)BTN_NONE_PRESS;
}
break;
case BTN_STATE_PRESS:
if (handle->button_level != handle->active_level) {
/* 按键释放 */
handle->event = (uint8_t)BTN_PRESS_UP;
EVENT_CB(BTN_PRESS_UP);
handle->ticks = 0;
handle->state = BTN_STATE_RELEASE;
} else if (handle->ticks > LONG_TICKS) {
/* 检测到长按 */
handle->event = (uint8_t)BTN_LONG_PRESS_START;
EVENT_CB(BTN_LONG_PRESS_START);
handle->state = BTN_STATE_LONG_HOLD;
}
break;
case BTN_STATE_RELEASE:
if (handle->button_level == handle->active_level) {
/* 按键再次按下 */
handle->event = (uint8_t)BTN_PRESS_DOWN;
EVENT_CB(BTN_PRESS_DOWN);
if (handle->repeat < PRESS_REPEAT_MAX_NUM) {
handle->repeat++;
}
handle->event = (uint8_t)BTN_PRESS_REPEAT;
EVENT_CB(BTN_PRESS_REPEAT);
handle->ticks = 0;
handle->state = BTN_STATE_REPEAT;
} else if (handle->ticks > SHORT_TICKS) {
/* 超时，判断点击类型 */
if (handle->repeat == 1) {
handle->event = (uint8_t)BTN_SINGLE_CLICK;
EVENT_CB(BTN_SINGLE_CLICK);
} else if (handle->repeat == 2) {
handle->event = (uint8_t)BTN_DOUBLE_CLICK;
EVENT_CB(BTN_DOUBLE_CLICK);
}
handle->state = BTN_STATE_IDLE;
}
break;
case BTN_STATE_REPEAT:
if (handle->button_level != handle->active_level) {
/* 按键释放 */
handle->event = (uint8_t)BTN_PRESS_UP;
EVENT_CB(BTN_PRESS_UP);
if (handle->ticks < SHORT_TICKS) {
handle->ticks = 0;
handle->state = BTN_STATE_RELEASE;
} else {
handle->state = BTN_STATE_IDLE;
}
} else if (handle->ticks > SHORT_TICKS) {
/* 按住时间过长，视为普通按下 */
handle->ticks = 0;
handle->repeat = 0;
handle->state = BTN_STATE_PRESS;
}
break;
case BTN_STATE_LONG_HOLD:
if (handle->button_level == handle->active_level) {
/* 继续保持按下 */
handle->event = (uint8_t)BTN_LONG_PRESS_HOLD;
EVENT_CB(BTN_LONG_PRESS_HOLD);
} else {
/* 从长按中释放 */
handle->event = (uint8_t)BTN_PRESS_UP;
EVENT_CB(BTN_PRESS_UP);
handle->state = BTN_STATE_IDLE;
}
break;
default:
/* 无效状态，重置为空闲 */
handle->state = BTN_STATE_IDLE;
break;
}
}
/*
* 函数功能：启动按键工作，将句柄添加到工作链表
* 入口参数：handle - 目标句柄结构体指针
* 返回值：0 - 成功，-1 - 已存在，-2 - 无效参数
* 函数说明：将按键添加到轮询链表中
*/
int button_start(Button* handle)
{
if (!handle) {
return -2;
}
Button* target = head_handle;
while (target) {
if (target == handle) {
return -1;
}
target = target->next;
}
handle->next = head_handle;
head_handle = handle;
return 0;
}
/*
* 函数功能：停止按键工作，从工作链表移除句柄
* 入口参数：handle - 目标句柄结构体指针
* 返回值：无
* 函数说明：将按键从轮询链表中移除
*/
void button_stop(Button* handle)
{
if (!handle) {
return;
}
Button** curr;
for (curr = &head_handle; *curr; ) {
Button* entry = *curr;
if (entry == handle) {
*curr = entry->next;
entry->next = NULL;
return;
} else {
curr = &entry->next;
}
}
}
/*
* 函数功能：后台tick处理，定时器重复调用，间隔5ms
* 入口参数：无
* 返回值：无
* 函数说明：遍历链表调用每个按键的状态机处理函数
*/
void button_ticks(void)
{
Button* target;
Button* next;
target = head_handle;
while (target) {
next = target->next;
button_handler(target);
target = next;
}
}

95
STM32F103C8T6/Drivers/BSP/MultiButton/multi_button.h Normal file
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/*
* Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
* All rights reserved.
*/
#ifndef MULTI_BUTTON_H
#define MULTI_BUTTON_H
#include <stdint.h>
#include <string.h>
/* 版本信息 */
#define MULTIBUTTON_VERSION_MAJOR 1
#define MULTIBUTTON_VERSION_MINOR 1
#define MULTIBUTTON_VERSION_PATCH 1
/* 配置常量 - 可根据需求修改 */
#define TICKS_INTERVAL 5 /* 定时器轮询间隔，单位：毫秒 */
#define DEBOUNCE_TICKS 3 /* 消抖滤波深度，最大7 (0~7) */
#define SHORT_TICKS (300 / TICKS_INTERVAL) /* 短按阈值 */
#define LONG_TICKS (1000 / TICKS_INTERVAL) /* 长按阈值 */
#define PRESS_REPEAT_MAX_NUM 15 /* 最大重复计数器值 */
/* 编译时检查：debounce_cnt 是3位域，最大值为7 */
#if DEBOUNCE_TICKS > 7
#error "DEBOUNCE_TICKS exceeds 3-bit field maximum (7)"
#endif
/* 前向声明 */
typedef struct _Button Button;
/* 按键回调函数类型 */
typedef void (*BtnCallback)(Button* handle, void* user_data);
/* 按键事件类型 */
typedef enum {
BTN_PRESS_DOWN = 0, /* 按键按下 */
BTN_PRESS_UP, /* 按键释放 */
BTN_PRESS_REPEAT, /* 重复按下检测 */
BTN_SINGLE_CLICK, /* 单击完成 */
BTN_DOUBLE_CLICK, /* 双击完成 */
BTN_LONG_PRESS_START, /* 长按开始 */
BTN_LONG_PRESS_HOLD, /* 长按保持 */
BTN_EVENT_COUNT, /* 事件总数 */
BTN_NONE_PRESS /* 无事件 */
} ButtonEvent;
/* 按键状态机状态 */
typedef enum {
BTN_STATE_IDLE = 0, /* 空闲状态 */
BTN_STATE_PRESS, /* 按下状态 */
BTN_STATE_RELEASE, /* 释放后等待超时 */
BTN_STATE_REPEAT, /* 重复按下状态 */
BTN_STATE_LONG_HOLD /* 长按保持状态 */
} ButtonState;
/* 按键结构体 */
struct _Button {
uint16_t ticks; /* tick计数器 */
uint8_t repeat : 4; /* 重复计数器 (0-15) */
uint8_t event : 4; /* 当前事件 (0-15) */
uint8_t state : 3; /* 状态机状态 (0-7) */
uint8_t debounce_cnt : 3; /* 消抖计数器 (0-7) */
uint8_t active_level : 1; /* 有效GPIO电平 (0或1) */
uint8_t button_level : 1; /* 当前按键电平 */
uint8_t button_id; /* 按键标识符 */
uint8_t (*hal_button_level)(uint8_t button_id); /* HAL读取GPIO函数 */
BtnCallback cb[BTN_EVENT_COUNT]; /* 回调函数数组 */
void* user_data; /* 传递给回调的用户上下文指针 */
Button* next; /* 链表中的下一个按键 */
};
#ifdef __cplusplus
extern "C" {
#endif
/* 公共API函数 */
void button_init(Button* handle, uint8_t(*pin_level)(uint8_t), uint8_t active_level, uint8_t button_id);
void button_attach(Button* handle, ButtonEvent event, BtnCallback cb, void* user_data);
void button_detach(Button* handle, ButtonEvent event);
ButtonEvent button_get_event(Button* handle);
int button_start(Button* handle);
void button_stop(Button* handle);
void button_ticks(void);
/* 工具函数 */
uint8_t button_get_repeat_count(Button* handle);
void button_reset(Button* handle);
int button_is_pressed(Button* handle);
#ifdef __cplusplus
}
#endif
#endif /* MULTI_BUTTON_H */