#include "oled.h" #include "oledfont.h" #include "delay.h" //OLED���Դ� //��Ÿ�ʽ����. //[0]0 1 2 3 ... 127 //[1]0 1 2 3 ... 127 //[2]0 1 2 3 ... 127 //[3]0 1 2 3 ... 127 //[4]0 1 2 3 ... 127 //[5]0 1 2 3 ... 127 //[6]0 1 2 3 ... 127 //[7]0 1 2 3 ... 127 /********************************************** //IIC Start **********************************************/ /********************************************** //IIC Start **********************************************/ void IIC_Start() { OLED_SCLK_Set() ; OLED_SDIN_Set(); OLED_SDIN_Clr(); OLED_SCLK_Clr(); } /********************************************** //IIC Stop **********************************************/ void IIC_Stop() { OLED_SCLK_Set() ; // OLED_SCLK_Clr(); OLED_SDIN_Clr(); OLED_SDIN_Set(); } void IIC_Wait_Ack() { //GPIOB->CRH &= 0XFFF0FFFF; //����PB12Ϊ��������ģʽ //GPIOB->CRH |= 0x00080000; // OLED_SDA = 1; // delay_us(1); //OLED_SCL = 1; //delay_us(50000); /* while(1) { if(!OLED_SDA) //�ж��Ƿ���յ�OLED Ӧ���ź� { //GPIOB->CRH &= 0XFFF0FFFF; //����PB12Ϊͨ���������ģʽ //GPIOB->CRH |= 0x00030000; return; } } */ OLED_SCLK_Set() ; OLED_SCLK_Clr(); } /********************************************** // IIC Write byte **********************************************/ void Write_IIC_Byte(unsigned char IIC_Byte) { unsigned char i; unsigned char m,da; da=IIC_Byte; OLED_SCLK_Clr(); for(i=0;i<8;i++) { m=da; // OLED_SCLK_Clr(); m=m&0x80; if(m==0x80) {OLED_SDIN_Set();} else OLED_SDIN_Clr(); da=da<<1; OLED_SCLK_Set(); OLED_SCLK_Clr(); } } /********************************************** // IIC Write Command **********************************************/ void Write_IIC_Command(unsigned char IIC_Command) { IIC_Start(); Write_IIC_Byte(0x78); //Slave address,SA0=0 IIC_Wait_Ack(); Write_IIC_Byte(0x00); //write command IIC_Wait_Ack(); Write_IIC_Byte(IIC_Command); IIC_Wait_Ack(); IIC_Stop(); } /********************************************** // IIC Write Data **********************************************/ void Write_IIC_Data(unsigned char IIC_Data) { IIC_Start(); Write_IIC_Byte(0x78); //D/C#=0; R/W#=0 IIC_Wait_Ack(); Write_IIC_Byte(0x40); //write data IIC_Wait_Ack(); Write_IIC_Byte(IIC_Data); IIC_Wait_Ack(); IIC_Stop(); } void OLED_WR_Byte(unsigned dat,unsigned cmd) { if(cmd) { Write_IIC_Data(dat); } else { Write_IIC_Command(dat); } } /******************************************** // fill_Picture ********************************************/ void fill_picture(unsigned char fill_Data) { unsigned char m,n; for(m=0;m<8;m++) { OLED_WR_Byte(0xb0+m,0); //page0-page1 OLED_WR_Byte(0x00,0); //low column start address OLED_WR_Byte(0x10,0); //high column start address for(n=0;n<128;n++) { OLED_WR_Byte(fill_Data,1); } } } /***********************Delay****************************************/ void Delay_50ms(unsigned int Del_50ms) { unsigned int m; for(;Del_50ms>0;Del_50ms--) for(m=6245;m>0;m--); } void Delay_1ms(unsigned int Del_1ms) { unsigned char j; while(Del_1ms--) { for(j=0;j<123;j++); } } //�������� void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f),OLED_CMD); } //����OLED��ʾ void OLED_Display_On(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC���� OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON } //�ر�OLED��ʾ void OLED_Display_Off(void) { OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC���� OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF } //��������,������,������Ļ�Ǻ�ɫ��!��û����һ��!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //����ҳ��ַ��0~7�� OLED_WR_Byte (0x00,OLED_CMD); //������ʾλ�á��е͵�ַ OLED_WR_Byte (0x10,OLED_CMD); //������ʾλ�á��иߵ�ַ for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); } //������ʾ } void OLED_On(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //����ҳ��ַ��0~7�� OLED_WR_Byte (0x00,OLED_CMD); //������ʾλ�á��е͵�ַ OLED_WR_Byte (0x10,OLED_CMD); //������ʾλ�á��иߵ�ַ for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA); } //������ʾ } //��ָ��λ����ʾһ���ַ�,���������ַ� //x:0~127 //y:0~63 //mode:0,������ʾ;1,������ʾ //size:ѡ������ 16/12 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size) { unsigned char c=0,i=0; c=chr-' ';//�õ�ƫ�ƺ��ֵ if(x>Max_Column-1){x=0;y=y+2;} if(Char_Size ==16) { OLED_Set_Pos(x,y); for(i=0;i<8;i++) OLED_WR_Byte(F8X16[c*16+i],OLED_DATA); OLED_Set_Pos(x,y+1); for(i=0;i<8;i++) OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA); } else { OLED_Set_Pos(x,y); for(i=0;i<6;i++) OLED_WR_Byte(F6x8[c][i],OLED_DATA); } } //m^n���� u32 oled_pow(u8 m,u8 n) { u32 result=1; while(n--)result*=m; return result; } //��ʾ2������ //x,y :������� //len :���ֵ�λ�� //size:�����С //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); } } /*��ʾһ���ַ��Ŵ� x ȡ0 2 4 6 ��Ϊ4�� y ÿһ��������ĸռ9 ����ռ18 Size����Ĵ�С ��ȡ12����16 */ void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size) { unsigned char j=0; while (chr[j]!='\0') { OLED_ShowChar(x,y,chr[j],Char_Size); x+=8; if(x>120){x=0;y+=2;} j++; } } //��ʾ���� /* x ȡ0 2 4 6 ��Ϊ4�� y ÿһ��������ĸռ9 ����ռ18 Size����Ĵ�С ��ȡ12����16 noΪHzk[]�����е���һ��Ԫ�� */ //void OLED_ShowCHinese(u8 x,u8 y,u8 no) //{ // u8 t,adder=0; // OLED_Set_Pos(x,y); // for(t=0;t<16;t++) // { // OLED_WR_Byte(Hzk[2*no][t],OLED_DATA); // adder+=1; // } // OLED_Set_Pos(x,y+1); // for(t=0;t<16;t++) // { // OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA); // adder+=1; // } //} /*********** ���������� ��ʾ��ʾBMPͼƬ128��64��ʼ������(x,y), x�ķ�Χ0��127�� yΪҳ�ķ�Χ0��7 *****************/ 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_Set_Pos(x0,y); for(x=x0;x<x1;x++) { OLED_WR_Byte(BMP[j++],OLED_DATA); } } } /******************************************************************************** * @�������� OLED_ShowChar * @���������� ��ָ��λ����ʾռ��8*16�ĵ���ASCII�ַ� * @�������ߣ� ì�ܾۺ��� * @��������� ������ �������� �������� @x�� u8 �����꣬0~127 @y�� u8 �����꣬0~7 @chr�� u8 Ҫ��ʾ��ASCII�ַ� @flag�� u8 ���ױ�־����0ʱ������ʾ * @����ֵ�� void * @������ ********************************************************************************/ void OLED_ShowChar1(u8 x,u8 y,u8 chr,u8 flag) { unsigned char c=0,i=0; c=chr-' ';//�õ�ƫ�ƺ��ֵ if(x>Max_Column-1){x=0;y=y+2;} OLED_Set_Pos(x,y); for(i=0;i<8;i++) { if(flag==1)OLED_WR_Byte(~F8X16[c*16+i],OLED_DATA); else OLED_WR_Byte(F8X16[c*16+i],OLED_DATA); } OLED_Set_Pos(x,y+1); for(i=0;i<8;i++) { if(flag==1)OLED_WR_Byte(~F8X16[c*16+i+8],OLED_DATA); else OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA); } } /******************************************************************************** * @�������� OLED_ShowCHineseWord * @���������� ��ָ��λ����ʾռ��16*16�ĵ��� ���� * @�������ߣ� ì�ܾۺ��� * @��������� ������ �������� �������� @x�� u8 �����꣬0~127 @y�� u8 �����꣬0~7 @str�� u8* Ҫ��ʾ�ĺ��� @flag�� u8 ���ױ�־����0ʱ������ʾ * @����ֵ�� void * @������ ********************************************************************************/ void OLED_ShowCHineseWord(u8 x,u8 y,u8* str,u8 flag) { u8 t=0; u16 index; for(index=0; index<sizeof(Hzk)/35; index++) { if(Hzk[index].name[0] == str[0]&&Hzk[index].name[1] == str[1])//�ԱȺ�������λ�� { OLED_Set_Pos(x,y); //����OLED���λ�� for(t=0; t<16; t++)//��д�����ϰ벿������ { if(flag==0)OLED_WR_Byte(Hzk[index].dat[t],OLED_DATA); else OLED_WR_Byte(~Hzk[index].dat[t],OLED_DATA); } OLED_Set_Pos(x,y+1);//����OLED���λ�� for(t=0; t<16; t++)//��д�����°벿������ { if(flag==0)OLED_WR_Byte(Hzk[index].dat[t+16],OLED_DATA); else OLED_WR_Byte(~Hzk[index].dat[t+16],OLED_DATA); } } } } /******************************************************************************** * @�������� OLED_ShowText * @���������� ��ָ��λ����ʾ��Ӣ���ַ��� * @�������ߣ� ì�ܾۺ��� * @��������� ������ �������� �������� @x�� u8 �����꣬0~127 @y�� u8 �����꣬0~7 @str�� u8* Ҫ��ʾ���ַ��� @flag�� u8 ���ױ�־����0ʱ������ʾ * @����ֵ�� void * @������ ********************************************************************************/ void OLED_ShowText(u8 x,u8 y,char* str,u8 flag) { u8 tempstr[3] = {'\0'}; while(*str!='\0') { if(*str&0x80) { tempstr[0]=*str++; tempstr[1]=*str++; OLED_ShowCHineseWord(x,y,tempstr,flag); x+=16; if(*str&0x80)//�ж���һ���ַ������Ļ���Ӣ�� { if(x>=112){y++;y++;x=0;}//�ĵ�ַ } else { if(x>=120){y++;y++;x=0;}//�ĵ�ַ } } else { OLED_ShowChar1(x,y,*str++,flag); x+=8; if(*str&0x80) { if(x>=112){y++;y++;x=0;}//�ĵ�ַ } else { if(x>=120){y++;y++;x=0;}//�ĵ�ַ } } } } //��ʼ��SSD1306 void OLED_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //ʹ��A�˿�ʱ�� GPIO_InitStructure.GPIO_Pin =OLED_SDA_PIN|OLED_SCL_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //������� GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//�ٶ�50MHz GPIO_Init(OLED_PROT, &GPIO_InitStructure); //��ʼ��GPIOB GPIO_SetBits(OLED_PROT,OLED_SDA_PIN|OLED_SCL_PIN); delay_ms(800); OLED_WR_Byte(0xAE,OLED_CMD);//--display off OLED_WR_Byte(0x00,OLED_CMD);//---set low column address OLED_WR_Byte(0x10,OLED_CMD);//---set high column address OLED_WR_Byte(0x40,OLED_CMD);//--set start line address OLED_WR_Byte(0xB0,OLED_CMD);//--set page address OLED_WR_Byte(0x81,OLED_CMD); // contract control OLED_WR_Byte(0xFF,OLED_CMD);//--128 OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64) OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset OLED_WR_Byte(0x00,OLED_CMD);// OLED_WR_Byte(0xD5,OLED_CMD);//set osc division OLED_WR_Byte(0x80,OLED_CMD);// OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off OLED_WR_Byte(0x05,OLED_CMD);// OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period OLED_WR_Byte(0xF1,OLED_CMD);// OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion OLED_WR_Byte(0x12,OLED_CMD);// OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh OLED_WR_Byte(0x30,OLED_CMD);// OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable OLED_WR_Byte(0x14,OLED_CMD);// OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel }