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STM32的HAL库实现OLED显示

作者:互联网

oled.c

  1 #include "i2c.h"
  2 #include "string.h"
  3 
  4 #include "oled.h"
  5 #include "oledfont.h"
  6 
  7 unsigned int HZ=0;
  8 //返回GB16字库里汉字个数
  9 unsigned int GB16_NUM(void)
 10 {
 11   unsigned int HZ_NUM;
 12   unsigned char *PT;
 13   PT = hz_index;
 14   while(*PT++ != '\0')
 15   {
 16        HZ_NUM++;
 17   }
 18 
 19   return HZ_NUM/2;
 20 } 
 21 
 22 
 23 //初始化命令
 24 uint8_t CMD_Data[]={
 25 0xAE, 0x00, 0x10, 0x40, 0xB0, 0x81, 0xFF, 0xA1, 0xA6, 0xA8, 0x3F,
 26                     
 27 0xC8, 0xD3, 0x00, 0xD5, 0x80, 0xD8, 0x05, 0xD9, 0xF1, 0xDA, 0x12,
 28                     
 29 0xD8, 0x30, 0x8D, 0x14, 0xAF};
 30 void WriteCmd()
 31 {
 32     uint8_t i = 0;
 33     for(i=0; i<27; i++){
 34         HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,CMD_Data+i,1,0x100);
 35     }
 36 }
 37 //向设备写控制命令
 38 void OLED_WR_CMD(uint8_t cmd)
 39 {
 40     HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,&cmd,1,0x100);
 41 }
 42 //向设备写数据
 43 void OLED_WR_DATA(uint8_t data)
 44 {
 45     HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x40,I2C_MEMADD_SIZE_8BIT,&data,1,0x100);
 46 }
 47 
 48 //OLED全屏填充
 49 void OLED_Fill(uint8_t fill_Data)
 50 {
 51     uint8_t m,n;
 52     for(m=0;m<8;m++)
 53     {
 54         OLED_WR_CMD(0xb0+m);        //page0-page1
 55         OLED_WR_CMD(0x00);        //low column start address
 56         OLED_WR_CMD(0x10);        //high column start address
 57         for(n=0;n<130;n++)
 58         {
 59             OLED_WR_DATA(fill_Data);
 60         }
 61     }
 62 }
 63 //设置起始点坐标
 64 void OLED_Set_Pos(u8 x, u8 y) 
 65 { 
 66     OLED_WR_CMD(0xb0+y);
 67     OLED_WR_CMD((((x+2)&0xf0)>>4)|0x10);
 68     OLED_WR_CMD(((x+2)&0x0f)|0x01);
 69 }
 70 
 71 //将OLED从休眠中唤醒
 72 void OLED_ON(void)
 73 {
 74     OLED_WR_CMD(0X8D);  //设置电荷泵
 75     OLED_WR_CMD(0X14);  //开启电荷泵
 76     OLED_WR_CMD(0XAF);  //OLED唤醒
 77 }
 78 
 79 //让OLED休眠 -- 休眠模式下,OLED功耗不到10uA
 80 void OLED_OFF(void)
 81 {
 82     OLED_WR_CMD(0X8D);  //设置电荷泵
 83     OLED_WR_CMD(0X10);  //关闭电荷泵
 84     OLED_WR_CMD(0XAE);  //OLED休眠
 85 }
 86 
 87 //清屏
 88 void OLED_Clear(void)
 89 {
 90     OLED_Fill(0x00);
 91 }
 92 
 93 //在指定位置显示一个字符,包括部分字符
 94 //x:0~127
 95 //y:0~63
 96 void OLED_ShowChar(u8 x, u8 y, u8 chr)
 97 {
 98   u8 c = 0, i = 0;
 99   c = chr - ' '; //得到偏移后的值
100   if(x > 130 - 1)
101   {
102     x = 0;
103     y = y + 2;
104   }
105     OLED_Set_Pos(x, y);
106     for(i = 0; i < 8; i++)
107         OLED_WR_DATA(zf[c * 16 + i]);
108     OLED_Set_Pos(x, y + 1);
109     for(i = 0; i < 8; i++)
110         OLED_WR_DATA(zf[c * 16 + i + 8]);
111 
112 }
113 //m^n函数
114 u32 oled_pow(u8 m, u8 n)
115 {
116   u32 result = 1;
117   while(n--)result *= m;
118   return result;
119 }
120 //显示个数字
121 //x,y :起点坐标
122 //len :数字的位数
123 //num:数值(0~4294967295);
124 //mode:   为1:当要显示的为0时显示0   为0:当要显示的为0时显示空格
125 void OLED_ShowNum(u8 x, u8 y, u32 num, u8 len,u8 mode)
126 {
127   u8 t, temp;
128     u8 enshow=0;
129   for(t = 0; t < len; t++)
130   {
131     temp = (num / oled_pow(10, len - t - 1)) % 10;
132         if(enshow==0&&t<(len-1))
133         {
134             if(temp==0)
135             {
136                 if(mode)
137                     OLED_ShowChar(x + 8*t, y, '0');
138                 else
139                     OLED_ShowChar(x + 8*t, y, ' ');
140                 continue;
141             }else enshow=1;               
142         }
143         OLED_ShowChar(x + 8*t, y, temp + '0');
144   }
145 }
146 //显示中英文字符
147 void OLED_ShowCH(u8 x, u8 y,u8 *chs)
148 {
149   u32 i=0;
150     u32 j;
151     char* m;
152     while (*chs != '\0')
153     {
154         if (*chs > 0xa0)                //汉字内码都是大于0xa0
155         {
156             for (i=0 ;i < HZ;i++)
157             {    
158                 if(x>112)
159                 {
160                     x=0;
161                     y=y+2;
162                 }
163                 if ((*chs == hz_index[i*2]) && (*(chs+1) == hz_index[i*2+1]))
164                 {
165                     OLED_Set_Pos(x, y);
166                     for(j=0;j<16;j++)
167                         OLED_WR_DATA(hz[i*32+j]);
168                     OLED_Set_Pos(x,y+1);
169                     for(j=0;j<16;j++)
170                         OLED_WR_DATA(hz[i*32+j+16]);
171                     x +=16;
172                     break;
173                 }
174             }
175             chs+=2;
176         }
177         else
178         {
179             if(x>122)
180             {
181                 x=0;
182                 y=y+2;
183             }
184             m=strchr(zf_index,*chs);
185             if (m!=NULL)
186             {
187                 OLED_Set_Pos(x, y);
188                 for(j = 0; j < 8; j++)
189                     OLED_WR_DATA(zf[((u8)*m-' ') * 16 + j]);
190                 OLED_Set_Pos(x, y + 1);
191                 for(j = 0; j < 8; j++)
192                     OLED_WR_DATA(zf[((u8)*m-' ') * 16 + j + 8]);
193                 x += 8;
194             }
195             chs++;
196         }
197     }
198 }
199 
200 //初始化SSD1306
201 void OLED_Init(void)
202 {
203     HZ= GB16_NUM();
204     HAL_Delay(200);
205  
206     WriteCmd();
207 }
208 
209 // x0,y0 -- 起始点坐标(x0:0~127, y0:0~7); x1,y1 -- 起点对角线(结束点)的坐标(x1:1~128,y1:1~8)
210 void OLED_DrawBMP(u8 x0,u8 y0,u8 x1,u8 y1,u8 BMP[])
211 {
212     u16 j=0;
213     u8 x,y;
214 
215   if(y1%8==0)
216         y = y1/8;
217   else
218         y = y1/8 + 1;
219     for(y=y0;y<y1;y++)
220     {
221         OLED_Set_Pos(x0,y);
222     for(x=x0;x<x1;x++)
223         {
224             OLED_WR_DATA(BMP[j++]);
225         }
226     }
227 }

 

oledfont.h

  1 #ifndef __OLEDFONT_H
  2 #define __OLEDFONT_H        
  3 
  4 /***************************16*16的点阵字体取模方式:共阴——列行式——逆向输出*********/
  5 
  6 /****************************************8*16的点阵************************************/
  7 unsigned char zf[] =
  8 {
  9   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0
 10   0x00, 0x00, 0x00, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x00, //! 1
 11   0x00, 0x10, 0x0C, 0x06, 0x10, 0x0C, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //" 2
 12   0x40, 0xC0, 0x78, 0x40, 0xC0, 0x78, 0x40, 0x00, 0x04, 0x3F, 0x04, 0x04, 0x3F, 0x04, 0x04, 0x00, //# 3
 13   0x00, 0x70, 0x88, 0xFC, 0x08, 0x30, 0x00, 0x00, 0x00, 0x18, 0x20, 0xFF, 0x21, 0x1E, 0x00, 0x00, //$ 4
 14   0xF0, 0x08, 0xF0, 0x00, 0xE0, 0x18, 0x00, 0x00, 0x00, 0x21, 0x1C, 0x03, 0x1E, 0x21, 0x1E, 0x00, //% 5
 15   0x00, 0xF0, 0x08, 0x88, 0x70, 0x00, 0x00, 0x00, 0x1E, 0x21, 0x23, 0x24, 0x19, 0x27, 0x21, 0x10, //& 6
 16   0x10, 0x16, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //' 7
 17   0x00, 0x00, 0x00, 0xE0, 0x18, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00, 0x07, 0x18, 0x20, 0x40, 0x00, //( 8
 18   0x00, 0x02, 0x04, 0x18, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x40, 0x20, 0x18, 0x07, 0x00, 0x00, 0x00, //) 9
 19   0x40, 0x40, 0x80, 0xF0, 0x80, 0x40, 0x40, 0x00, 0x02, 0x02, 0x01, 0x0F, 0x01, 0x02, 0x02, 0x00, //* 10
 20   0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x1F, 0x01, 0x01, 0x01, 0x00, //+ 11
 21   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xB0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, //, 12
 22   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, //- 13
 23   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, //. 14
 24   0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x18, 0x04, 0x00, 0x60, 0x18, 0x06, 0x01, 0x00, 0x00, 0x00, /// 15
 25   0x00, 0xE0, 0x10, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x0F, 0x10, 0x20, 0x20, 0x10, 0x0F, 0x00, //0 16
 26   0x00, 0x10, 0x10, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, //1 17
 27   0x00, 0x70, 0x08, 0x08, 0x08, 0x88, 0x70, 0x00, 0x00, 0x30, 0x28, 0x24, 0x22, 0x21, 0x30, 0x00, //2 18
 28   0x00, 0x30, 0x08, 0x88, 0x88, 0x48, 0x30, 0x00, 0x00, 0x18, 0x20, 0x20, 0x20, 0x11, 0x0E, 0x00, //3 19
 29   0x00, 0x00, 0xC0, 0x20, 0x10, 0xF8, 0x00, 0x00, 0x00, 0x07, 0x04, 0x24, 0x24, 0x3F, 0x24, 0x00, //4 20
 30   0x00, 0xF8, 0x08, 0x88, 0x88, 0x08, 0x08, 0x00, 0x00, 0x19, 0x21, 0x20, 0x20, 0x11, 0x0E, 0x00, //5 21
 31   0x00, 0xE0, 0x10, 0x88, 0x88, 0x18, 0x00, 0x00, 0x00, 0x0F, 0x11, 0x20, 0x20, 0x11, 0x0E, 0x00, //6 22
 32   0x00, 0x38, 0x08, 0x08, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00, //7 23
 33   0x00, 0x70, 0x88, 0x08, 0x08, 0x88, 0x70, 0x00, 0x00, 0x1C, 0x22, 0x21, 0x21, 0x22, 0x1C, 0x00, //8 24
 34   0x00, 0xE0, 0x10, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x00, 0x31, 0x22, 0x22, 0x11, 0x0F, 0x00, //9 25
 35   0x00, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, //: 26
 36   0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, //; 27
 37   0x00, 0x00, 0x80, 0x40, 0x20, 0x10, 0x08, 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, //< 28
 38   0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00, //= 29
 39   0x00, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, 0x00, //> 30
 40   0x00, 0x70, 0x48, 0x08, 0x08, 0x08, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x30, 0x36, 0x01, 0x00, 0x00, //? 31
 41   0xC0, 0x30, 0xC8, 0x28, 0xE8, 0x10, 0xE0, 0x00, 0x07, 0x18, 0x27, 0x24, 0x23, 0x14, 0x0B, 0x00, //@ 32
 42   0x00, 0x00, 0xC0, 0x38, 0xE0, 0x00, 0x00, 0x00, 0x20, 0x3C, 0x23, 0x02, 0x02, 0x27, 0x38, 0x20, //A 33
 43   0x08, 0xF8, 0x88, 0x88, 0x88, 0x70, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x11, 0x0E, 0x00, //B 34
 44   0xC0, 0x30, 0x08, 0x08, 0x08, 0x08, 0x38, 0x00, 0x07, 0x18, 0x20, 0x20, 0x20, 0x10, 0x08, 0x00, //C 35
 45   0x08, 0xF8, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x10, 0x0F, 0x00, //D 36
 46   0x08, 0xF8, 0x88, 0x88, 0xE8, 0x08, 0x10, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x23, 0x20, 0x18, 0x00, //E 37
 47   0x08, 0xF8, 0x88, 0x88, 0xE8, 0x08, 0x10, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, //F 38
 48   0xC0, 0x30, 0x08, 0x08, 0x08, 0x38, 0x00, 0x00, 0x07, 0x18, 0x20, 0x20, 0x22, 0x1E, 0x02, 0x00, //G 39
 49   0x08, 0xF8, 0x08, 0x00, 0x00, 0x08, 0xF8, 0x08, 0x20, 0x3F, 0x21, 0x01, 0x01, 0x21, 0x3F, 0x20, //H 40
 50   0x00, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, //I 41
 51   0x00, 0x00, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x00, 0xC0, 0x80, 0x80, 0x80, 0x7F, 0x00, 0x00, 0x00, //J 42
 52   0x08, 0xF8, 0x88, 0xC0, 0x28, 0x18, 0x08, 0x00, 0x20, 0x3F, 0x20, 0x01, 0x26, 0x38, 0x20, 0x00, //K 43
 53   0x08, 0xF8, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x20, 0x30, 0x00, //L 44
 54   0x08, 0xF8, 0xF8, 0x00, 0xF8, 0xF8, 0x08, 0x00, 0x20, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x20, 0x00, //M 45
 55   0x08, 0xF8, 0x30, 0xC0, 0x00, 0x08, 0xF8, 0x08, 0x20, 0x3F, 0x20, 0x00, 0x07, 0x18, 0x3F, 0x00, //N 46
 56   0xE0, 0x10, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x0F, 0x10, 0x20, 0x20, 0x20, 0x10, 0x0F, 0x00, //O 47
 57   0x08, 0xF8, 0x08, 0x08, 0x08, 0x08, 0xF0, 0x00, 0x20, 0x3F, 0x21, 0x01, 0x01, 0x01, 0x00, 0x00, //P 48
 58   0xE0, 0x10, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x0F, 0x18, 0x24, 0x24, 0x38, 0x50, 0x4F, 0x00, //Q 49
 59   0x08, 0xF8, 0x88, 0x88, 0x88, 0x88, 0x70, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x03, 0x0C, 0x30, 0x20, //R 50
 60   0x00, 0x70, 0x88, 0x08, 0x08, 0x08, 0x38, 0x00, 0x00, 0x38, 0x20, 0x21, 0x21, 0x22, 0x1C, 0x00, //S 51
 61   0x18, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x18, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x00, 0x00, //T 52
 62   0x08, 0xF8, 0x08, 0x00, 0x00, 0x08, 0xF8, 0x08, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x20, 0x1F, 0x00, //U 53
 63   0x08, 0x78, 0x88, 0x00, 0x00, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x07, 0x38, 0x0E, 0x01, 0x00, 0x00, //V 54
 64   0xF8, 0x08, 0x00, 0xF8, 0x00, 0x08, 0xF8, 0x00, 0x03, 0x3C, 0x07, 0x00, 0x07, 0x3C, 0x03, 0x00, //W 55
 65   0x08, 0x18, 0x68, 0x80, 0x80, 0x68, 0x18, 0x08, 0x20, 0x30, 0x2C, 0x03, 0x03, 0x2C, 0x30, 0x20, //X 56
 66   0x08, 0x38, 0xC8, 0x00, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x00, 0x00, //Y 57
 67   0x10, 0x08, 0x08, 0x08, 0xC8, 0x38, 0x08, 0x00, 0x20, 0x38, 0x26, 0x21, 0x20, 0x20, 0x18, 0x00, //Z 58
 68   0x00, 0x00, 0x00, 0xFE, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x40, 0x40, 0x40, 0x00, //[ 59
 69   0x00, 0x0C, 0x30, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x38, 0xC0, 0x00, //\\ 60
 70   0x00, 0x02, 0x02, 0x02, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x7F, 0x00, 0x00, 0x00, //] 61
 71   0x00, 0x00, 0x04, 0x02, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //^ 62
 72   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, //_ 63
 73   0x00, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //` 64
 74   0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x19, 0x24, 0x22, 0x22, 0x22, 0x3F, 0x20, //a 65
 75   0x08, 0xF8, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x11, 0x20, 0x20, 0x11, 0x0E, 0x00, //b 66
 76   0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0x20, 0x11, 0x00, //c 67
 77   0x00, 0x00, 0x00, 0x80, 0x80, 0x88, 0xF8, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0x10, 0x3F, 0x20, //d 68
 78   0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x22, 0x22, 0x22, 0x22, 0x13, 0x00, //e 69
 79   0x00, 0x80, 0x80, 0xF0, 0x88, 0x88, 0x88, 0x18, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, //f 70
 80   0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x6B, 0x94, 0x94, 0x94, 0x93, 0x60, 0x00, //g 71
 81   0x08, 0xF8, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x3F, 0x21, 0x00, 0x00, 0x20, 0x3F, 0x20, //h 72
 82   0x00, 0x80, 0x98, 0x98, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, //i 73
 83   0x00, 0x00, 0x00, 0x80, 0x98, 0x98, 0x00, 0x00, 0x00, 0xC0, 0x80, 0x80, 0x80, 0x7F, 0x00, 0x00, //j 74
 84   0x08, 0xF8, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x20, 0x3F, 0x24, 0x02, 0x2D, 0x30, 0x20, 0x00, //k 75
 85   0x00, 0x08, 0x08, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, //l 76
 86   0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x3F, 0x20, 0x00, 0x3F, //m 77
 87   0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x3F, 0x21, 0x00, 0x00, 0x20, 0x3F, 0x20, //n 78
 88   0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x20, 0x1F, 0x00, //o 79
 89   0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xA1, 0x20, 0x20, 0x11, 0x0E, 0x00, //p 80
 90   0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0xA0, 0xFF, 0x80, //q 81
 91   0x80, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x20, 0x20, 0x3F, 0x21, 0x20, 0x00, 0x01, 0x00, //r 82
 92   0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x33, 0x24, 0x24, 0x24, 0x24, 0x19, 0x00, //s 83
 93   0x00, 0x80, 0x80, 0xE0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x00, 0x00, //t 84
 94   0x80, 0x80, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x10, 0x3F, 0x20, //u 85
 95   0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x01, 0x0E, 0x30, 0x08, 0x06, 0x01, 0x00, //v 86
 96   0x80, 0x80, 0x00, 0x80, 0x00, 0x80, 0x80, 0x80, 0x0F, 0x30, 0x0C, 0x03, 0x0C, 0x30, 0x0F, 0x00, //w 87
 97   0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x31, 0x2E, 0x0E, 0x31, 0x20, 0x00, //x 88
 98   0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x81, 0x8E, 0x70, 0x18, 0x06, 0x01, 0x00, //y 89
 99   0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x21, 0x30, 0x2C, 0x22, 0x21, 0x30, 0x00, //z 90
100   0x00, 0x00, 0x00, 0x00, 0x80, 0x7C, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x40, 0x40, //{ 91
101   0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, //| 92
102   0x00, 0x02, 0x02, 0x7C, 0x80, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x3F, 0x00, 0x00, 0x00, 0x00, //} 93
103   0x00, 0x02, 0x01, 0x02, 0x02, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //~ 94
104 
105 };
106 
107 /***************************16*16的点阵字体取模方式:共阴——列行式——逆向输出*********/
108 unsigned char hz[] =
109 {
110   0x00, 0x02, 0x02, 0xC2, 0x02, 0x02, 0x02, 0xFE, 0x82, 0x82, 0x82, 0x82, 0x82, 0x02, 0x00, 0x00,
111   0x40, 0x40, 0x40, 0x7F, 0x40, 0x40, 0x40, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, /*"正",0*/
112   0x08, 0x08, 0x88, 0xC8, 0x38, 0x0C, 0x0B, 0x08, 0x08, 0xE8, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00,
113   0x02, 0x01, 0x00, 0xFF, 0x40, 0x41, 0x41, 0x41, 0x41, 0x7F, 0x41, 0x41, 0x41, 0x41, 0x40, 0x00, /*"在",1*/
114   0x10, 0x10, 0xD0, 0xFF, 0x90, 0x50, 0x20, 0x50, 0x4C, 0x43, 0x4C, 0x50, 0x20, 0x40, 0x40, 0x00,
115   0x04, 0x03, 0x00, 0xFF, 0x00, 0x41, 0x44, 0x58, 0x41, 0x4E, 0x60, 0x58, 0x47, 0x40, 0x40, 0x00, /*"检",2*/
116   0x10, 0x60, 0x02, 0x8C, 0x00, 0xFE, 0x02, 0xF2, 0x02, 0xFE, 0x00, 0xF8, 0x00, 0xFF, 0x00, 0x00,
117   0x04, 0x04, 0x7E, 0x01, 0x80, 0x47, 0x30, 0x0F, 0x10, 0x27, 0x00, 0x47, 0x80, 0x7F, 0x00, 0x00, /*"测",3*/
118   0x00, 0x00, 0xF0, 0x10, 0x10, 0x10, 0x10, 0xFF, 0x10, 0x10, 0x10, 0x10, 0xF0, 0x00, 0x00, 0x00,
119   0x00, 0x00, 0x0F, 0x04, 0x04, 0x04, 0x04, 0xFF, 0x04, 0x04, 0x04, 0x04, 0x0F, 0x00, 0x00, 0x00, /*"中",4*/
120   0x10, 0x60, 0x02, 0x8C, 0x00, 0xFE, 0x02, 0xF2, 0x02, 0xFE, 0x00, 0xF8, 0x00, 0xFF, 0x00, 0x00,
121   0x04, 0x04, 0x7E, 0x01, 0x80, 0x47, 0x30, 0x0F, 0x10, 0x27, 0x00, 0x47, 0x80, 0x7F, 0x00, 0x00, /*"测",5*/
122   0x40, 0x40, 0x42, 0xCC, 0x00, 0x90, 0x90, 0x90, 0x90, 0x90, 0xFF, 0x10, 0x11, 0x16, 0x10, 0x00,
123   0x00, 0x00, 0x00, 0x3F, 0x10, 0x28, 0x60, 0x3F, 0x10, 0x10, 0x01, 0x0E, 0x30, 0x40, 0xF0, 0x00, /*"试",6*/
124   0x24, 0x24, 0xA4, 0xFE, 0x23, 0x22, 0x00, 0x3E, 0x22, 0x22, 0x22, 0x22, 0x22, 0x3E, 0x00, 0x00,
125   0x08, 0x06, 0x01, 0xFF, 0x01, 0x06, 0x40, 0x49, 0x49, 0x49, 0x7F, 0x49, 0x49, 0x49, 0x41, 0x00, /*"程",7*/
126   0x00, 0x00, 0xFC, 0x04, 0x04, 0x04, 0x14, 0x15, 0x56, 0x94, 0x54, 0x34, 0x14, 0x04, 0x04, 0x00,
127   0x40, 0x30, 0x0F, 0x00, 0x01, 0x01, 0x01, 0x41, 0x81, 0x7F, 0x01, 0x01, 0x01, 0x05, 0x03, 0x00, /*"序",8*/
128 
129 };
130 
131 //注意:下面字库声明的汉字顺序必须和取字模的顺序相同,且不能有相同的字
132 unsigned char hz_index[] = {"正在检测中测试程序"};
133 char zf_index[] = {" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"};
134 
135 #endif

 

oled.h

 1 #ifndef OLED_H__
 2 #define OLED_H__
 3 
 4 #include "stm32l4xx_hal.h"
 5 #include "stm32l4xx.h"
 6 
 7 void WriteCmd(void);
 8 void OLED_WR_CMD(uint8_t cmd);
 9 void OLED_WR_DATA(uint8_t data);
10 
11 void OLED_Init(void);
12 void OLED_Clear(void);
13 void OLED_ON(void);
14 void OLED_OFF(void);
15 
16 void OLED_Set_Pos(uint8_t x, uint8_t y) ;
17 unsigned int oled_pow(uint8_t m,uint8_t n);
18 void OLED_Fill(uint8_t fill_Data);
19 void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2);
20 void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr);
21 void OLED_ShowCH(uint8_t x, uint8_t y,uint8_t *chs);
22 void OLED_DrawBMP(uint8_t x0,uint8_t y0,uint8_t x1,uint8_t y1,uint8_t BMP[]);
23 #endif

 

mian.c

 1 #include "oled.h"
 2 
 3 
 4     OLED_Init();
 5     OLED_Clear();
 6 
 7         OLED_Clear();//清屏
 8         OLED_ShowCH(12,0,"SGP30测试程序");//显示
 9         OLED_ShowCH(18,3,"TVOC:");
10         OLED_ShowCH(92,3,"ppd");
11         OLED_ShowCH(18,6,"CO2:");
12         OLED_ShowCH(84,6,"ppm");

 

标签:0x40,HAL,0x20,0x00,0x10,STM32,OLED,0x80,0x08
来源: https://www.cnblogs.com/YiDongZhao/p/16444248.html