I2C代码：
#include "oled.h"
#include "asc.h"
#include "main.h"
void WriteCmd(unsigned char I2C_Command)//???
{
HAL_I2C_Mem_Write(&hi2c2,OLED0561_ADD,COM,I2C_MEMADD_SIZE_8BIT,&I2C_Command,1,100);
}
void WriteDat(unsigned char I2C_Data)//???
{
HAL_I2C_Mem_Write(&hi2c2,OLED0561_ADD,DAT,I2C_MEMADD_SIZE_8BIT,&I2C_Data,1,100);
}
void OLED_Init(void)
{
HAL_Delay(100); //????????
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); //???? 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) //???????
{
WriteCmd(0xb0+y);
WriteCmd(((x&0xf0)>>4)|0x10);
WriteCmd((x&0x0f)|0x01);
}
void OLED_Fill(unsigned char fill_Data)//????
{
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)//??
{
OLED_Fill(0x00);
}
void OLED_ON(void)
{
WriteCmd(0X8D); //?????
WriteCmd(0X14); //?????
WriteCmd(0XAF); //OLED??
}
void OLED_OFF(void)
{
WriteCmd(0X8D); //?????
WriteCmd(0X10); //?????
WriteCmd(0XAE); //OLED??
}
// Parameters : x,y -- ?????(x:0~127, y:0~7); ch[] -- ???????; TextSize -- ????(1:6*8 ; 2:8*16)
// Description : ??codetab.h??ASCII??,?6*8?8*16???
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 -- ?????(x:0~127, y:0~7); N:???.h????
// Description : ??ASCII_8x16.h????,16*16??
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;
}
}
// ????????????????,????????“??——???——????”??????ascll.h?????(????)
//???????:x:?????
// y:???(??0-7)
// begin:????????????????ascll.c???????
// num:????????
// ????“??”,??????????????????0,1,???0,??????,??:x:0,y:2,begin:0,num:2
void OLED_ShowCN_STR(u8 x , u8 y , u8 begin , u8 num)
{
u8 i;
for(i=0;i<num;i++){OLED_ShowCN(i*16+x,y,i+begin);} //OLED????
}
// Parameters : x0,y0 -- ?????(x0:0~127, y0:0~7); x1,y1 -- ?????(???)???(x1:1~128,y1:1~8)
// Description : ??BMP??
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-' ';//???????
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;
}
//??2???
//x,y :????
//len :?????
//size:????
//mode:?? 0,????;1,????
//num:??(0~4294967295);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
{
u8 t,temp;
u8 enshow=0;
for(t=0;t<len;t++)
{
temp=(num/oled_pow(10,len-t-1))%10;
if(enshow==0&&t<(len-1))
{
if(temp==0)
{
OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
continue;
}else enshow=1;
}
OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
}
}
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