程序员经验分享-hwhale

stm32单片机OLED取字模软件使用 PCtoLCD2002

2023-05-16

PCtoLCD2002，适用单色屏取字模制作字库，进行位图转换，还可自行描点，使用非常简单方便。

1. 取字模，制作字库

打开PCtoLCD2002。

 

单片机OLED或者其他单色屏，最常使用的是 1206 和 1608 字体，我们以制作1608为例。

在左上方选择字体和大小，宋体，宽16，高16。

在中间输入栏中，输入需要制作的字符串。这里输入ASC2字符串，总计95个字节。

 !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~

输入后可以在上方预览，每个字符占用16x8个像素点，这就是1608的由来。

 

生成字模前，需要先对取模方式进行配置。点击工具栏中的 小齿轮图标。

 

以ssd1306为主控的OLED，其GRAM的刷写方式是 单字节从下往上，从左到右。

按照上图进行配置，在右下角动态预览其取模方式。点击 确定 保存退出。

返回主界面后点击 生成字模，将其放入单片机的字模数组。

const unsigned char oled_asc2_1608[95][16]={
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// " ",0
{0x00,0x00,0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xCC,0x00,0x00,0x00,0x00},// "!",1
{0x00,0x08,0x30,0x40,0x08,0x30,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// """,2
{0x00,0x02,0x03,0x1E,0x02,0x03,0x1E,0x00,0x00,0x20,0xFC,0x20,0x20,0xFC,0x20,0x00},// "#",3
{0x00,0x0E,0x11,0x11,0x3F,0x10,0x0C,0x00,0x00,0x18,0x04,0x04,0xFF,0x84,0x78,0x00},// "$",4
{0x0F,0x10,0x0F,0x01,0x06,0x18,0x00,0x00,0x00,0x8C,0x30,0xC0,0x78,0x84,0x78,0x00},// "%",5
{0x00,0x0F,0x10,0x11,0x0E,0x00,0x00,0x00,0x78,0x84,0xC4,0x34,0x98,0xE4,0x84,0x08},// "&",6
{0x00,0x48,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// "'",7
{0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00},// "(",8
{0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00},// ")",9
{0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00},// "*",10
{0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0xF0,0x80,0x80,0x80},// "+",11
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x0E,0x00,0x00,0x00,0x00,0x00},// ",",12
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00},// "-",13
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x00,0x00,0x00},// ".",14
{0x00,0x00,0x00,0x00,0x03,0x1C,0x20,0x00,0x00,0x06,0x18,0xE0,0x00,0x00,0x00,0x00},// "/",15
{0x00,0x07,0x08,0x10,0x10,0x08,0x07,0x00,0x00,0xF0,0x08,0x04,0x04,0x08,0xF0,0x00},// "0",16
{0x00,0x00,0x08,0x08,0x1F,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00},// "1",17
{0x00,0x0E,0x10,0x10,0x10,0x10,0x0F,0x00,0x00,0x0C,0x14,0x24,0x44,0x84,0x0C,0x00},// "2",18
{0x00,0x0C,0x10,0x10,0x10,0x11,0x0E,0x00,0x00,0x18,0x04,0x84,0x84,0x44,0x38,0x00},// "3",19
{0x00,0x00,0x01,0x02,0x0C,0x1F,0x00,0x00,0x00,0x60,0xA0,0x24,0x24,0xFC,0x24,0x24},// "4",20
{0x00,0x1F,0x11,0x11,0x11,0x10,0x10,0x00,0x00,0x98,0x04,0x04,0x04,0x88,0x70,0x00},// "5",21
{0x00,0x07,0x08,0x11,0x11,0x09,0x00,0x00,0x00,0xF0,0x88,0x04,0x04,0x04,0xF8,0x00},// "6",22
{0x00,0x18,0x10,0x10,0x11,0x16,0x18,0x00,0x00,0x00,0x00,0x7C,0x80,0x00,0x00,0x00},// "7",23
{0x00,0x0E,0x11,0x10,0x10,0x11,0x0E,0x00,0x00,0x38,0x44,0x84,0x84,0x44,0x38,0x00},// "8",24
{0x00,0x0F,0x10,0x10,0x10,0x08,0x07,0x00,0x00,0x80,0x48,0x44,0x44,0x88,0xF0,0x00},// "9",25
{0x00,0x00,0x00,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x00},// ":",26
{0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00},// ";",27
{0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x04,0x00},// "<",28
{0x00,0x02,0x02,0x02,0x02,0x02,0x02,0x00,0x00,0x40,0x40,0x40,0x40,0x40,0x40,0x00},// "=",29
{0x00,0x10,0x08,0x04,0x02,0x01,0x00,0x00,0x00,0x04,0x08,0x10,0x20,0x40,0x80,0x00},// ">",30
{0x00,0x0E,0x12,0x10,0x10,0x11,0x0E,0x00,0x00,0x00,0x00,0x0C,0xEC,0x00,0x00,0x00},// "?",31
{0x03,0x0C,0x13,0x14,0x17,0x08,0x07,0x00,0xE0,0x18,0xE4,0x14,0xF4,0x14,0xE8,0x00},// "@",32
{0x00,0x00,0x03,0x1C,0x07,0x00,0x00,0x00,0x04,0x3C,0xC4,0x40,0x40,0xE4,0x1C,0x04},// "A",33
{0x10,0x1F,0x11,0x11,0x11,0x0E,0x00,0x00,0x04,0xFC,0x04,0x04,0x04,0x88,0x70,0x00},// "B",34
{0x03,0x0C,0x10,0x10,0x10,0x10,0x1C,0x00,0xE0,0x18,0x04,0x04,0x04,0x08,0x10,0x00},// "C",35
{0x10,0x1F,0x10,0x10,0x10,0x08,0x07,0x00,0x04,0xFC,0x04,0x04,0x04,0x08,0xF0,0x00},// "D",36
{0x10,0x1F,0x11,0x11,0x17,0x10,0x08,0x00,0x04,0xFC,0x04,0x04,0xC4,0x04,0x18,0x00},// "E",37
{0x10,0x1F,0x11,0x11,0x17,0x10,0x08,0x00,0x04,0xFC,0x04,0x00,0xC0,0x00,0x00,0x00},// "F",38
{0x03,0x0C,0x10,0x10,0x10,0x1C,0x00,0x00,0xE0,0x18,0x04,0x04,0x44,0x78,0x40,0x00},// "G",39
{0x10,0x1F,0x10,0x00,0x00,0x10,0x1F,0x10,0x04,0xFC,0x84,0x80,0x80,0x84,0xFC,0x04},// "H",40
{0x00,0x10,0x10,0x1F,0x10,0x10,0x00,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00,0x00},// "I",41
{0x00,0x00,0x10,0x10,0x1F,0x10,0x10,0x00,0x03,0x01,0x01,0x01,0xFE,0x00,0x00,0x00},// "J",42
{0x10,0x1F,0x11,0x03,0x14,0x18,0x10,0x00,0x04,0xFC,0x04,0x80,0x64,0x1C,0x04,0x00},// "K",43
{0x10,0x1F,0x10,0x00,0x00,0x00,0x00,0x00,0x04,0xFC,0x04,0x04,0x04,0x04,0x0C,0x00},// "L",44
{0x10,0x1F,0x1F,0x00,0x1F,0x1F,0x10,0x00,0x04,0xFC,0x80,0x7C,0x80,0xFC,0x04,0x00},// "M",45
{0x10,0x1F,0x0C,0x03,0x00,0x10,0x1F,0x10,0x04,0xFC,0x04,0x00,0xE0,0x18,0xFC,0x00},// "N",46
{0x07,0x08,0x10,0x10,0x10,0x08,0x07,0x00,0xF0,0x08,0x04,0x04,0x04,0x08,0xF0,0x00},// "O",47
{0x10,0x1F,0x10,0x10,0x10,0x10,0x0F,0x00,0x04,0xFC,0x84,0x80,0x80,0x80,0x00,0x00},// "P",48
{0x07,0x08,0x10,0x10,0x10,0x08,0x07,0x00,0xF0,0x08,0x14,0x14,0x0C,0x0A,0xF2,0x00},// "Q",49
{0x10,0x1F,0x11,0x11,0x11,0x11,0x0E,0x00,0x04,0xFC,0x04,0x00,0xC0,0x30,0x0C,0x04},// "R",50
{0x00,0x0E,0x11,0x10,0x10,0x10,0x1C,0x00,0x00,0x1C,0x04,0x84,0x84,0x44,0x38,0x00},// "S",51
{0x18,0x10,0x10,0x1F,0x10,0x10,0x18,0x00,0x00,0x00,0x04,0xFC,0x04,0x00,0x00,0x00},// "T",52
{0x10,0x1F,0x10,0x00,0x00,0x10,0x1F,0x10,0x00,0xF8,0x04,0x04,0x04,0x04,0xF8,0x00},// "U",53
{0x10,0x1E,0x11,0x00,0x00,0x13,0x1C,0x10,0x00,0x00,0xE0,0x1C,0x70,0x80,0x00,0x00},// "V",54
{0x10,0x1F,0x00,0x1F,0x00,0x1F,0x10,0x00,0x00,0xC0,0x7C,0x80,0x7C,0xC0,0x00,0x00},// "W",55
{0x10,0x18,0x16,0x01,0x01,0x16,0x18,0x10,0x04,0x0C,0x34,0xC0,0xC0,0x34,0x0C,0x04},// "X",56
{0x10,0x1C,0x13,0x00,0x13,0x1C,0x10,0x00,0x00,0x00,0x04,0xFC,0x04,0x00,0x00,0x00},// "Y",57
{0x08,0x10,0x10,0x10,0x13,0x1C,0x10,0x00,0x04,0x1C,0x64,0x84,0x04,0x04,0x18,0x00},// "Z",58
{0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00},// "[",59
{0x00,0x20,0x1C,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x1C,0x03,0x00},// "\",60
{0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00},// "]",61
{0x00,0x00,0x20,0x40,0x40,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// "^",62
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},// "_",63
{0x00,0x40,0x40,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// "`",64
{0x00,0x00,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x98,0x24,0x24,0x48,0xFC,0x04,0x00},// "a",65
{0x08,0x0F,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0xFC,0x88,0x04,0x04,0x88,0x70,0x00},// "b",66
{0x00,0x00,0x00,0x01,0x01,0x01,0x00,0x00,0x00,0x70,0x88,0x04,0x04,0x04,0x88,0x00},// "c",67
{0x00,0x00,0x01,0x01,0x01,0x09,0x0F,0x00,0x00,0xF8,0x04,0x04,0x04,0x08,0xFC,0x04},// "d",68
{0x00,0x00,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0xF8,0x24,0x24,0x24,0x24,0xE8,0x00},// "e",69
{0x00,0x01,0x01,0x07,0x09,0x09,0x04,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00,0x00},// "f",70
{0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0xD6,0x29,0x29,0x29,0xC9,0x06,0x00},// "g",71
{0x08,0x0F,0x00,0x01,0x01,0x01,0x00,0x00,0x04,0xFC,0x84,0x00,0x00,0x04,0xFC,0x04},// "h",72
{0x00,0x01,0x19,0x19,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00,0x00},// "i",73
{0x00,0x00,0x00,0x01,0x19,0x19,0x00,0x00,0x00,0x03,0x01,0x01,0x01,0xFE,0x00,0x00},// "j",74
{0x08,0x0F,0x00,0x00,0x01,0x01,0x01,0x00,0x04,0xFC,0x24,0x60,0x94,0x0C,0x04,0x00},// "k",75
{0x00,0x08,0x08,0x1F,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00,0x00},// "l",76
{0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x04,0xFC,0x04,0x00,0xFC,0x04,0x00,0xFC},// "m",77
{0x01,0x01,0x00,0x01,0x01,0x01,0x00,0x00,0x04,0xFC,0x84,0x00,0x00,0x04,0xFC,0x04},// "n",78
{0x00,0x00,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0xF8,0x04,0x04,0x04,0x04,0xF8,0x00},// "o",79
{0x01,0x01,0x00,0x01,0x01,0x00,0x00,0x00,0x01,0xFF,0x89,0x04,0x04,0x88,0x70,0x00},// "p",80
{0x00,0x00,0x00,0x01,0x01,0x00,0x01,0x00,0x00,0x70,0x88,0x04,0x04,0x89,0xFF,0x01},// "q",81
{0x01,0x01,0x01,0x00,0x01,0x01,0x01,0x00,0x04,0x04,0xFC,0x84,0x04,0x00,0x80,0x00},// "r",82
{0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0xCC,0x24,0x24,0x24,0x24,0x98,0x00},// "s",83
{0x00,0x01,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0xF8,0x04,0x04,0x08,0x00},// "t",84
{0x01,0x01,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0xF8,0x04,0x04,0x04,0x08,0xFC,0x04},// "u",85
{0x01,0x01,0x01,0x00,0x01,0x01,0x01,0x00,0x00,0xC0,0x30,0x0C,0x30,0xC0,0x00,0x00},// "v",86
{0x01,0x01,0x00,0x01,0x01,0x00,0x01,0x01,0x80,0x70,0x0C,0x30,0xE0,0x1C,0x60,0x80},// "w",87
{0x00,0x01,0x01,0x01,0x00,0x01,0x01,0x00,0x00,0x04,0x8C,0x70,0x74,0x8C,0x04,0x00},// "x",88
{0x01,0x01,0x01,0x00,0x00,0x01,0x01,0x01,0x00,0x81,0x61,0x1E,0x18,0x60,0x80,0x00},// "y",89
{0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x84,0x0C,0x34,0x44,0x84,0x0C,0x00},// "z",90
{0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02},// "{",91
{0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00},// "|",92
{0x40,0x40,0x3F,0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00},// "}",93
{0x00,0x40,0x80,0x40,0x40,0x20,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},// "~",94
};

 

c代码：

/*
 * 功能：显示字符串
 *
 * uint8_t x：要加载位置的x坐标，0~127
 * uint8_t y：要加载位置的y坐标，0~7
 * uint8_t (*ram)[128]：显示界面缓存的二维数组指针
 *
 * char* p：	 字符串，最大长度为16字节
 * uint8_t len： 字符串长度，1~16
 *
 */
void OLED_show1608String(uint8_t x, uint8_t y, uint8_t (*ram)[128], char* p, uint8_t len)
{
	uint8_t i,j;
	uint8_t k,l;
	//k为数字对应的字符编码，数字对应ASC2是+48，而精简过功能键对应编码是(ASC2-32)
	//l为打印第几位的位数
	//j、i进行单个字符描点
	
	//char chr[len];
	char chr[16];
	
	sprintf(chr, "%s", p);
	for(l=0; l<len; l++)
	{
		k = chr[l] -32;	// 数位转换，数字转换为字符
		//k = + 48;	// 数位转换，数字转换为字符
		
		for(j=0; j<(16/8); j++)
		{
			for(i=0; i<8; i++)
			{
				*(*(ram+7-y-j)+x+i+l*8) = oled_asc2_1608[k][j*8+i];
			}
		}
	}
}

uint8_t OLED_GRAM[8][128];

OLED_show1608String(32, 0, OLED_GRAM, "09:30:12", 8);

 

使用 OLED_show1608String 将字符串投射到 二维数组中，再将二维数组使用SPI/IIC刷新OLED，即可显示出字符串。

显示效果如图。

 

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