ͼƬ

#include "oled.h" #include "oledfont.h" //��SSD1106д��һ���ֽڡ� //dat:Ҫд��������/���� //cmd:����/������־ 0,��ʾ����;1,��ʾ����; void OLED_WR_Byte(u8 dat,u8 cmd) { u8 i; if(cmd) OLED_DC_Set(); else OLED_DC_Clr(); OLED_CS_Clr(); for(i=0;i<8;i++) { OLED_SCLK_Clr(); if(dat&0x80) OLED_SDIN_Set(); else OLED_SDIN_Clr(); OLED_SCLK_Set(); dat<<=1; } OLED_CS_Set(); OLED_DC_Set(); } 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)|0x01,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 } //��ָ��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) { unsigned char c=0,i=0; c=chr-' ';//�õ�ƫ�ƺ���ֵ if(x>Max_Column-1){x=0;y=y+2;} if(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+1); 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 //mode:ģʽ 0,����ģʽ;1,����ģʽ //num:��ֵ(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size) { 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+(size/2)*t,y,' '); continue; }else enshow=1; } OLED_ShowChar(x+(size/2)*t,y,temp+'0'); } } //��ʾһ���ַ��Ŵ� void OLED_ShowString(u8 x,u8 y,u8 *chr) { unsigned char j=0; while (chr[j]!='\0') { OLED_ShowChar(x,y,chr[j]); x+=8; if(x>120){x=0;y+=2;} j++; } } //��ʾ���� 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); } } } //��ʼ��SSD1306 void OLED_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; __HAL_RCC_GPIOB_CLK_ENABLE(); GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_12|GPIO_PIN_13;//���ùܽ�Ϊ���� GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_12|GPIO_PIN_13, GPIO_PIN_SET); HAL_Delay(100); OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel 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 Set Mapping RAM Display Start Line (0x00~0x3F) OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register OLED_WR_Byte(0xCF,OLED_CMD); // Set SEG Output Current Brightness OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping 0xa0���ҷ��� 0xa1���� OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction 0xc0���·��� 0xc8���� OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64) OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F) OLED_WR_Byte(0x00,OLED_CMD);//-not offset OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency OLED_WR_Byte(0xf0,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration OLED_WR_Byte(0x12,OLED_CMD); OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02) OLED_WR_Byte(0x02,OLED_CMD);// OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5) OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7) OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel OLED_WR_Byte(0xAF,OLED_CMD); /*display ON*/ OLED_Clear(); OLED_Set_Pos(0,0); } 这是i2c还是spi
06-24
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值