.c
#include <OLED.H>
#define Uchar unsigned char
#define Uint unsigned int
#define Ulong unsigned long
#define uchar unsigned char
#define uint unsigned int
unsigned char OLED_GRAM[128][8]={0};
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void delay_ms(unsigned int t)
{
Uchar i,j;
while(--t)
{
i=50;
j=100;
while(--j)
while(--i);
}
}
void uDelay(unsigned char l)
{
while(l--);
}
void Delay(unsigned char n)
{
unsigned char i,j,k;
for(k=0;k<n;k++)
{
for(i=0;i<131;i++)
{
for(j=0;j<15;j++)
{
uDelay(203);
}
}
}
}
void I2C_SendByte(u8 txd)
{
unsigned char Idex;
SCL3_0;
for (Idex = 0; Idex < 8; Idex++)
{
if (txd & (0x80))
SDA3_1;
else
SDA3_0;
SCL3_1;
SCL3_0;
txd<<=1; // 高位先行
}
}
u8 I2C_WaitAck()
{
u8 time = 0;
SCL3_1;
uDelay(1);
SDA3_1;
uDelay(1);
while(READ_SDA)
{
time++;
if(time>250)
{
I2C_Stop();
return 1;
}
}
SCL3_0;
return 0;
}
void I2C_Ack3()
{
SCL3_0;
SDA3_0;
SCL3_1;
SCL3_0;
}
void I2C_NAck3()
{
SCL3_0;
SDA3_1;
SCL3_1;
SCL3_0;
}
void I2C_Start()
{
SCL3_1;
SDA3_1;
SDA3_0;
SCL3_0;
}
void I2C_Stop()
{
SCL3_0;
SDA3_0;
SCL3_1;
SDA3_1;
}
void Write_Command3(unsigned char Data)
{
I2C_Start();
I2C_SendByte(0x78);
I2C_WaitAck();
I2C_SendByte(0x00);
I2C_WaitAck();
I2C_SendByte(Data);
I2C_WaitAck();
I2C_Stop();
}
void Write_Data3(unsigned char Data)
{
I2C_Start();
I2C_SendByte(0x78);
I2C_WaitAck();
I2C_SendByte(0x40);
I2C_WaitAck();
I2C_SendByte(Data);
I2C_WaitAck();
I2C_Stop();
}
void LCD_Init3(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB ,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
delay_ms(300);
delay_ms(300);
delay_ms(300);
Write_Command3(0xae); //--turn off oled panel
Write_Command3(0x00); //--set low column address
Write_Command3(0x10); //--set high column address
Write_Command3(0x40); //--set start line address
Write_Command3(0xb0); //--set page address
Write_Command3(0x81); //--set contrast control register
Write_Command3(0xff);
Write_Command3(0xa1); //--set segment re-map 127 to 0 a0:0 to seg127
Write_Command3(0xa6); //--set normal display
//切换显示角度 上下颠倒显示
//Write_Command3(0xc0); //--set com(N-1)to com0 c0:com0 to com(N-1)
//切换显示角度
Write_Command3(0xc0); //--set com(N-1)to com0 c0:com0 to com(N-1)
Write_Command3(0xa8); //--set multiples ratio(1to64)
Write_Command3(0x3f); //--1/64 duty
Write_Command3(0xd3); //--set display offset
Write_Command3(0x00); //--not offset
Write_Command3(0xd5); //--set display clock divide ratio/oscillator frequency
Write_Command3(0x80); //--set divide ratio
Write_Command3(0xd9); //--set pre-charge period
Write_Command3(0xf1);
Write_Command3(0xda); //--set com pins hardware configuration
Write_Command3(0x12);
Write_Command3(0xdb); //--set vcomh
Write_Command3(0x40);
Write_Command3(0x8d); //--set chare pump enable/disable
Write_Command3(0x14); //--set(0x10) disable
//Write_Command3(0x10); //--set(0x10) disable
Write_Command3(0xaf); //--turn on oled panel
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=void LCD_Init(void)
// OLED_ShowString(0, 0, "CH1_OFF");
// OLED_ShowString(0, 16, "CH2_OFF");
// OLED_ShowString(0, 32, "CH3_OFF");
// OLED_ShowString(0, 48, "CH4_OFF");
//
// OLED_ShowString(72, 0, "CH5_OFF");
OLED_Clear();
OLED_Refresh_Gram();
// pic13();
// while(1);
}
//清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!
void OLED_Clear(void)
{
u8 i,n;
for(i=0;i<8;i++)for(n=0;n<128;n++)OLED_GRAM[n][i]=0X00;
//OLED_Refresh_Gram();//更新显示
}
//更新显存到LCD
void OLED_Refresh_Gram(void)
{
u8 j,n;
// for(i=0;i<8;i++)
// {
// OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址（0~7）
// OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址
// OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址
//
// }
for(j=0;j<8;j++)
{
Write_Command3(0x22);//--set page1
Write_Command3(j);//--set start page
Write_Command3(0x07);//--set end page
for(n=0;n<128;n++)Write_Data3(OLED_GRAM[n][j]);
}
}
//画点
//x:0~127
//y:0~63
//t:1 填充 0,清空
void OLED_DrawPoint(u8 x,u8 y,u8 t)
{
u8 pos,bx,temp=0;
if(x>127||y>63)return;//超出范围了.
pos=7-y/8;
bx=y%8;
temp=1<<(7-bx);
if(t)OLED_GRAM[x][pos]|=temp;
else OLED_GRAM[x][pos]&=~temp;
}
//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示
//size:选择字体 16/12
void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode)
{
u8 temp,t,t1;
u8 y0=y;
chr=chr-' ';//得到偏移后的值
for(t=0;t<size;t++)
{
if(size==12)temp=asc2_1206[chr][t]; //调用1206字体
else temp=asc2_1608[chr][t]; //调用1608字体
for(t1=0;t1<8;t1++)
{
if(temp&0x80)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp<<=1;
y++;
if((y-y0)==size)
{
y=y0;
x++;
break;
}
}
}
}
//显示字符串
//x,y:起点坐标
//*p:字符串起始地址
//用16字体
void OLED_ShowString(u8 x,u8 y,const u8 *p)
{
#define MAX_CHAR_POSX 122
#define MAX_CHAR_POSY 58
while(*p!='\0')
{
if(x>MAX_CHAR_POSX){x=0;y+=16;}
if(y>MAX_CHAR_POSY){y=x=0;OLED_Clear();}
OLED_ShowChar(x,y,*p,16,1);
x+=8;
p++;
}
}
//画点
//x:0~575
//y:0~32
//t:1 填充 0,清空
void LED_DrawPoint(unsigned short x,unsigned short y,u8 t)
{
unsigned short pos,bx,temp=0;
if(x>575||y>31)return;//超出范围了.
pos = y;
bx = x%8;
temp=1<<(bx);
if(t)
{
OLED_GRAM[x/8][pos] |= temp;
}
else
{
OLED_GRAM[x/8][pos] &= ~temp;
}
}
//画点
//x:0~144
//y:0~32
//t:1 填充 0,清空
void LED_12_DrawPoint(unsigned short x,unsigned short y,u8 t)
{
unsigned short bx,temp=0;
unsigned short x_add,y_add;
if(x>127 ||y>63)return;//超出范围了.
x_add = (x/8)*4 + 3-y/4;
y_add = y%4;
bx = x%8;
temp=1<<(bx);
if(t)
{
OLED_GRAM[x_add][y_add] |= temp;
}
else
{
OLED_GRAM[x_add][y_add] &= ~temp;
}
}
//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示
//size:选择字体 16/12
void OLED_ShowPos(unsigned short x,unsigned short y,u8 chr,u8 size,u8 mode)
{
unsigned short temp,t,t1;
unsigned short y0=y;
for(t=0;t<size;t++)
{
if(size==12)temp=asc2_1206[chr][t]; //调用1206字体
else temp=asc2_1608[chr][t]; //调用1608字体
for(t1=0;t1<8;t1++)
{
if(temp&0x80)LED_DrawPoint(x,y,mode);
else LED_DrawPoint(x,y,!mode);
temp<<=1;
y++;
if((y-y0)==size)
{
y=y0;
x++;
break;
}
}
}
}
void OLED_ShowGBK(u8 x, u8 y, u8 num, u8 size,u8 mode)
{
u8 temp,t,t1;
u8 y0=y;
//u8 size = 16;
u8 csize=(size/8 + ((size%8)?1:0)) * size; //得到字体一个字符对应点阵集所占的字节数
for(t=0;t<csize;t++)
{
if(size==16) temp = font_1616[num][t]; //调用1616字体
// else if(size==24)temp=asc2_2412[chr][t]; //调用2412字体
else return; //没有的字库
for(t1=0;t1<8;t1++)
{
if(temp&0x80)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp<<=1;
y++;
if((y-y0)==size)
{
y=y0;
x++;
break;
}
}
}
}
.h
#ifndef _OLED_H
#define _OLED_H
//#define SDA_IN() {GPIOB->CRH&=0XFFFFFFF0;GPIOB->CRH|=0x40;}
//#define SDA_OUT() {GPIOB->CRH&=0XFFFFFFF0;GPIOB->CRH|=0x70;}
#include <main.h>
#define SCL3_0 GPIO_ResetBits(GPIOB,GPIO_Pin_8) // Serial Clock Input
#define SDA3_0 GPIO_ResetBits(GPIOB,GPIO_Pin_9) // Serial Data Input
#define SCL3_1 GPIO_SetBits(GPIOB,GPIO_Pin_8) // Serial Clock Input
#define SDA3_1 GPIO_SetBits(GPIOB,GPIO_Pin_9) // Serial Data Input
#define READ_SDA GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_9)
extern volatile unsigned char Error_Flag;
void OLED_ShowGBK(u8 x, u8 y, u8 num, u8 size,u8 mode);
void LED_12_show_font(uint16_t x,uint16_t y,const uint8_t *font,uint8_t mode);
void I2C_Stop();
void LCD_Init3(void);
void OLED_Refresh_Gram(void);
void OLED_Clear(void);
void OLED_ShowString(u8 x,u8 y,const u8 *p);
void OLED_Processing(void);
void LED_DrawPoint(unsigned short x,unsigned short y,u8 t);
void OLED_ShowGBK12x8(u8 x, u8 y, u8 num, u8 size,u8 mode);
#endif
