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下午參考著網(wǎng)上的一些程序，寫了一個，拿去只需在Cubemx把PB6,PB7設(shè)置為IIC就行了，其余的不需要改直接用
單片機(jī)源程序如下:
- #include "oled.h"
- #include "ascii.h"
- #include "main.h"
- #include "stm32f1xx_hal.h"
- void WriteCmd(unsigned char I2C_Command)//寫命令
- {
- HAL_I2C_Mem_Write(&hi2c1,OLED0561_ADD,COM,I2C_MEMADD_SIZE_8BIT,&I2C_Command,1,100);
-
- }
-
- void WriteDat(unsigned char I2C_Data)//寫數(shù)據(jù)
-
- {
- HAL_I2C_Mem_Write(&hi2c1,OLED0561_ADD,DAT,I2C_MEMADD_SIZE_8BIT,&I2C_Data,1,100);
-
- }
-
- void OLED_Init(void)
- {
- HAL_Delay(100); //這里的延時很重要
-
- WriteCmd(0xAE); //display off
- WriteCmd(0x20); //Set Memory Addressing Mode
- WriteCmd(0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
- WriteCmd(0xb0); //Set Page Start Address for Page Addressing Mode,0-7
- WriteCmd(0xc8); //Set COM Output Scan Direction
- WriteCmd(0x00); //---set low column address
- WriteCmd(0x10); //---set high column address
- WriteCmd(0x40); //--set start line address
- WriteCmd(0x81); //--set contrast control register
- WriteCmd(0xff); //亮度調(diào)節(jié) 0x00~0xff
- WriteCmd(0xa1); //--set segment re-map 0 to 127
- WriteCmd(0xa6); //--set normal display
- WriteCmd(0xa8); //--set multiplex ratio(1 to 64)
- WriteCmd(0x3F); //
- WriteCmd(0xa4); //0xa4,Output follows RAM content;0xa5,Output ignores RAM content
- WriteCmd(0xd3); //-set display offset
- WriteCmd(0x00); //-not offset
- WriteCmd(0xd5); //--set display clock divide ratio/oscillator frequency
- WriteCmd(0xf0); //--set divide ratio
- WriteCmd(0xd9); //--set pre-charge period
- WriteCmd(0x22); //
- WriteCmd(0xda); //--set com pins hardware configuration
- WriteCmd(0x12);
- WriteCmd(0xdb); //--set vcomh
- WriteCmd(0x20); //0x20,0.77xVcc
- WriteCmd(0x8d); //--set DC-DC enable
- WriteCmd(0x14); //
- WriteCmd(0xaf); //--turn on oled panel
- }
- void OLED_SetPos(unsigned char x, unsigned char y) //設(shè)置起始點坐標(biāo)
- {
- WriteCmd(0xb0+y);
- WriteCmd(((x&0xf0)>>4)|0x10);
- WriteCmd((x&0x0f)|0x01);
- }
- void OLED_Fill(unsigned char fill_Data)//全屏填充
- {
- unsigned char m,n;
- for(m=0;m<8;m++)
- {
- WriteCmd(0xb0+m); //page0-page1
- WriteCmd(0x00); //low column start address
- WriteCmd(0x10); //high column start address
- for(n=0;n<128;n++)
- {
- WriteDat(fill_Data);
- }
- }
- }
- void OLED_CLS(void)//清屏
- {
- OLED_Fill(0x00);
- }
- void OLED_ON(void)
- {
- WriteCmd(0X8D); //設(shè)置電荷泵
- WriteCmd(0X14); //開啟電荷泵
- WriteCmd(0XAF); //OLED喚醒
- }
- void OLED_OFF(void)
- {
- WriteCmd(0X8D); //設(shè)置電荷泵
- WriteCmd(0X10); //關(guān)閉電荷泵
- WriteCmd(0XAE); //OLED休眠
- }
- // Parameters : x,y -- 起始點坐標(biāo)(x:0~127, y:0~7); ch[] -- 要顯示的字符串; TextSize -- 字符大小(1:6*8 ; 2:8*16)
- // Description : 顯示codetab.h中的ASCII字符,有6*8和8*16可選擇
- void OLED_ShowStr(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize)
- {
- unsigned char c = 0,i = 0,j = 0;
- switch(TextSize)
- {
- case 1:
- {
- while(ch[j] != '\0')
- {
- c = ch[j] - 32;
- if(x > 126)
- {
- x = 0;
- y++;
- }
- OLED_SetPos(x,y);
- for(i=0;i<6;i++)
- WriteDat(F6x8[c][i]);
- x += 6;
- j++;
- }
- }break;
- case 2:
- {
- while(ch[j] != '\0')
- {
- c = ch[j] - 32;
- if(x > 120)
- {
- x = 0;
- y++;
- }
- OLED_SetPos(x,y);
- for(i=0;i<8;i++)
- WriteDat(F8X16[c*16+i]);
- OLED_SetPos(x,y+1);
- for(i=0;i<8;i++)
- WriteDat(F8X16[c*16+i+8]);
- x += 8;
- j++;
- }
- }break;
- }
- }
- // Parameters : x,y -- 起始點坐標(biāo)(x:0~127, y:0~7); N:漢字在.h中的索引
- // Description : 顯示ASCII_8x16.h中的漢字,16*16點陣
- void OLED_ShowCN(unsigned char x, unsigned char y, unsigned char N)
- {
- unsigned char wm=0;
- unsigned int adder=32*N;
- OLED_SetPos(x , y);
- for(wm = 0;wm < 16;wm++)
- {
- WriteDat(F16x16[adder]);
- adder += 1;
- }
- OLED_SetPos(x,y + 1);
- for(wm = 0;wm < 16;wm++)
- {
- WriteDat(F16x16[adder]);
- adder += 1;
- }
- }
- // Parameters : x0,y0 -- 起始點坐標(biāo)(x0:0~127, y0:0~7); x1,y1 -- 起點對角線(結(jié)束點)的坐標(biāo)(x1:1~128,y1:1~8)
- // Description : 顯示BMP位圖
- void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[])
- {
- unsigned int j=0;
- unsigned char x,y;
- if(y1%8==0)
- y = y1/8;
- else
- y = y1/8 + 1;
- for(y=y0;y<y1;y++)
- {
- OLED_SetPos(x0,y);
- for(x=x0;x<x1;x++)
- {
- WriteDat(BMP[j++]);
- }
- }
- }
- void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
- {
- unsigned char c=0,i=0;
- c=chr-' ';//得到偏移后的值
- if(x>128-1){x=0;y=y+2;}
- if(Char_Size ==16)
- {
- OLED_SetPos(x,y);
- for(i=0;i<8;i++)
- WriteDat(F8X16[c*16+i]);
- OLED_SetPos(x,y+1);
- for(i=0;i<8;i++)
- WriteDat(F8X16[c*16+i+8]);
- }
- else {
- OLED_SetPos(x,y);
- for(i=0;i<6;i++)
- WriteDat(F6x8[c][i]);
-
- }
- }
- u32 oled_pow(u8 m,u8 n)
- {
- u32 result=1;
- while(n--)result*=m;
- return result;
- ……………………
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
經(jīng)過檢測發(fā)現(xiàn)代碼不全,無法編譯,求幫助:
HAL庫IIC OLED 驅(qū)動.rar
(7.11 KB, 下載次數(shù): 585)
2019-3-9 15:40 上傳
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大家還是去參考下51hei其他作者的吧:
http://www.torrancerestoration.com/bbs/dpj-150345-1.html
http://www.torrancerestoration.com/bbs/dpj-203015-1.html
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