- #define ALLOCATE_EXTERN
- #include "HC89S105AC8.h"
- #include "oled.h"
- #define DEVICEADD 0x78 //24C02器件地址
- #define SCL P0_1 //I2C时钟控制位
- #define SDA P0_0 //I2C数据传送位
- unsigned char temp1,temp2,temp3; //用于存放读写数据
- void Delay_ms(unsigned int fui_i); //延时函数
- void IIC_Send_Byte(unsigned char fuc_Add, unsigned char fuc_Dat); //IIC发送一个字节的数据
- unsigned char IIC_Read_Byte(unsigned char fuc_Add); //IIC读取一个字节的数据
- /***************************************************************************************
- * @实现效果 对24C02进行读写操作
- ***************************************************************************************/
- void main()
- {
- /************************************系统初始化****************************************/
- CLKCON = 0x02; //选择内部高频RC为系统时钟,内部高频RC Fosc=32MHz
- CLKDIV = 0x02; //Fosc 2分频得到Fcpu,Fcpu=16MHz
-
- /**********************************IIC配置初始化***************************************/
- P0M0 = P0M0 & 0xF0 | 0x0A; //P00带上拉开漏输出
- P0M0 = P0M0 & 0x0F | 0x80; //P01推挽输出
- SCL_MAP = 0x01; //SCL映射P01口
- SDA_MAP = 0x00; //SDA映射P00口
- IICCON = 0x40; //启动IIC模块
- OLED_Init();
- OLED_ShowString(10,0,"21ic",16);
- OLED_ShowCHinese(10,2,5);
- OLED_ShowCHinese(26,2,6);
- OLED_ShowCHinese(42,2,7);
- OLED_ShowCHinese(58,2,8);
- OLED_ShowCHinese(74,2,9);
- while (1)
- {
-
- }
- }
- /***************************************************************************************
- * @说明 IIC发送一个字节的数据
- * @参数 fuc_Add:存储的地址
- * fuc_Dat:存储的数据
- * @返回值 无
- * @注 无
- ***************************************************************************************/
- void IIC_Send_Byte(unsigned char fuc_Add, unsigned char fuc_Dat)
- {
- IICCON &= ~0x08; //清除中断标志位
- IICCON |= 0x20; //起始位发送起始信号
- while ((!(IICCON & 0x08)) && (IICSTA != 0x08));
- IICCON &= ~0x20; //起始位停止起始信号
- IICCON &= ~0x08; //清除中断标志位
- IICDAT = DEVICEADD; //写入器件地址
- while (IICSTA != 0x18);
- IICCON &= ~0x08; //清除中断标志位
- IICDAT = fuc_Add; //写入地址
- while (IICSTA != 0x28);
- IICCON &= ~0x08; //清除中断标志位
- IICDAT = fuc_Dat; //写入数据
- while (IICSTA != 0x28);
- IICCON &= ~0x08; //清除中断标志位
- IICCON |= 0x10; //停止位发送停止信号
- }
- /***************************************************************************************
- * @说明 IIC读取一个字节的数据
- * @参数 fuc_Add:存储的地址
- * @返回值 存储地址里面的数据
- * @注 无
- ***************************************************************************************/
- unsigned char IIC_Read_Byte(unsigned char fuc_Add)
- {
- unsigned char fuc_Dat;
- IICCON &= ~0x08; //清除中断标志位
- IICCON |= 0x20; //起始位发送起始信号
- while ((!(IICCON & 0x08)) && (IICSTA != 0x08));
- IICCON &= ~0x20; //起始位停止起始信号
- IICCON &= ~0x08; //清除中断标志位
- IICDAT = DEVICEADD; //写入器件地址
- while (IICSTA != 0x18);
- IICCON &= ~0x08; //清除中断标志位
- IICDAT = fuc_Add; //写入读地址
- while (IICSTA != 0x28);
- IICCON &= ~0x08; //清除中断标志位
- IICCON |= 0x20; //起始位发送起始信号
- while ((!(IICCON & 0x08)) && (IICSTA != 0x08));
- IICCON &= ~0x20; //起始位停止起始信号
- IICCON &= ~0x08; //清除中断标志位
- IICDAT = DEVICEADD | 0x01; //写入读指令
- while (IICSTA != 0x40);
- IICCON &= ~0x08; //清除中断标志位
- while (IICSTA != 0x58);
- fuc_Dat = IICDAT; //读入数据
- IICCON &= ~0x08; //清除中断标志位
- IICCON |= 0x10; //停止位发送停止信号
- return fuc_Dat;
- }
- /***************************************************************************************
- * @说明 延时函数
- * @参数 fui_i : 延时时间
- * @返回值 无
- * @注 Fcpu = 16MHz,fui_i = 1时,延时时间约为1ms
- ***************************************************************************************/
- void Delay_ms(unsigned int fui_i)
- {
- unsigned int fui_j;
- for (; fui_i > 0; fui_i--)
- for (fui_j = 1596; fui_j > 0; fui_j--);
- }
OLED.C代码:
- #include "oled.h"
- extern void IIC_Send_Byte(unsigned char fuc_Add, unsigned char fuc_Dat);
- uint32_t I2C_TIMEOUT_UserCallback(uint8_t errorCode)
- {
-
-
- return 0;
- }
- //OLED鐨勬樉瀛?
- //瀛樻斁鏍煎紡濡備笅.
- //[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
- void I2C_Write1(uint8_t addr,uint8_t pBuffer)
- {
- IIC_Send_Byte(addr, pBuffer);
- }
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] Write_I2C_Data 鍚慜LED鍐欏叆鏁版嵁
- * @param I2C_Data锛氭暟鎹?
- * @retval 鏃?
- */
- static void Write_I2C_Data(uint8_t I2C_Data)//鍐欐暟鎹?
- {
- I2C_Write1(0x40,I2C_Data);
- }
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] Write_I2C_Command锛屽悜OLED鍐欏叆鍛戒护
- * @param I2C_Command
- * @retval 鏃?
- */
- static void Write_I2C_Command(uint8_t I2C_Command)//鍐欏懡浠?
- {
- I2C_Write1(0x00,I2C_Command);
- }
- void OLED_WR_Byte(unsigned dat,unsigned cmd)
- {
- if(cmd)
- Write_I2C_Data(dat);
- else
- Write_I2C_Command(dat);
- }
- /********************************************
- // fill_Picture
- ********************************************/
- void fill_picture(uint8_t fill_Data)
- {
- uint8_t 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);
- }
- }
- }
- //鍧愭爣璁剧疆
- void OLED_Set_Pos(uint8_t x, uint8_t y)
- {
- OLED_WR_Byte(0xb0+y, OLED_CMD);
- OLED_WR_Byte(((x&0xf0)>>4)|0x10, OLED_CMD);
- OLED_WR_Byte((x&0x0f), OLED_CMD);
- }
- //寮€鍚疧LED鏄剧ず
- void OLED_Display_On(void)
- {
- OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC鍛戒护
- OLED_WR_Byte(0X14, OLED_CMD); //DCDC ON
- OLED_WR_Byte(0XAF, OLED_CMD); //DISPLAY ON
- }
- //鍏抽棴OLED鏄剧ず
- void OLED_Display_Off(void)
- {
- OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC鍛戒护
- OLED_WR_Byte(0X10, OLED_CMD); //DCDC OFF
- OLED_WR_Byte(0XAE, OLED_CMD); //DISPLAY OFF
- }
- //娓呭睆鍑芥暟,娓呭畬灞?鏁翠釜灞忓箷鏄粦鑹茬殑!鍜屾病鐐逛寒涓€鏍?!!
- void OLED_Clear(void)
- {
- uint8_t i,n;
- for(i=0; i<8; i++)
- {
- OLED_WR_Byte (0xb0+i, OLED_CMD); //璁剧疆椤靛湴鍧€锛?~7锛?
- OLED_WR_Byte (0x00, OLED_CMD); //璁剧疆鏄剧ず浣嶇疆鈥斿垪浣庡湴鍧€
- OLED_WR_Byte (0x10, OLED_CMD); //璁剧疆鏄剧ず浣嶇疆鈥斿垪楂樺湴鍧€
- for(n=0; n<128; n++)
- OLED_WR_Byte(0, OLED_DATA);
- }
- }
- void OLED_ON(void)
- {
- uint8_t i,n;
- for(i=0; i<8; i++)
- {
- OLED_WR_Byte (0xb0+i,OLED_CMD); //璁剧疆椤靛湴鍧€锛?~7锛?
- OLED_WR_Byte (0x00,OLED_CMD); //璁剧疆鏄剧ず浣嶇疆鈥斿垪浣庡湴鍧€
- OLED_WR_Byte (0x10,OLED_CMD); //璁剧疆鏄剧ず浣嶇疆鈥斿垪楂樺湴鍧€
- for(n=0; n<128; n++)
- OLED_WR_Byte(1, OLED_DATA);
- }
- }
- //鍦ㄦ寚瀹氫綅缃樉绀轰竴涓瓧绗?鍖呮嫭閮ㄥ垎瀛楃
- //x:0~127
- //y:0~63
- //mode:0,鍙嶇櫧鏄剧ず;1,姝e父鏄剧ず
- //size:閫夋嫨瀛椾綋 16/12
- void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size)
- {
- uint8_t c=0,i=0;
- c=chr-' ';//寰楀埌鍋忕Щ鍚庣殑鍊?
- 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鍑芥暟
- uint32_t OLED_pow(uint8_t m, uint8_t n)
- {
- uint32_t result = 1;
- while(n--)
- result *= m;
-
- return result;
- }
- //鏄剧ず2涓暟瀛?
- //x,y :璧风偣鍧愭爣
- //len :鏁板瓧鐨勪綅鏁?
- //size:瀛椾綋澶у皬
- //mode:妯″紡 0,濉厖妯″紡;1,鍙犲姞妯″紡
- //num:鏁板€?0~4294967295);
- void OLED_ShowNum(uint8_t x, uint8_t y, uint32_t num, uint8_t len, uint8_t size2)
- {
- uint8_t t,temp;
- uint8_t 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);
- }
- }
- //鏄剧ず涓€涓瓧绗﹀彿涓?
- void OLED_ShowString(uint8_t x, uint8_t y, char *chr, uint8_t Char_Size)
- {
- uint8_t j=0;
- while (chr[j] != '\0')
- {
- OLED_ShowChar(x, y, chr[j], Char_Size);
- x += 8;
- if(x>120)
- {
- x=0;
- y+=2;
- }
- j++;
- }
- }
- //鏄剧ず姹夊瓧
- void OLED_ShowCHinese(uint8_t x, uint8_t y, uint8_t no)
- {
- uint8_t 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;
- }
- }
- /***********鍔熻兘鎻忚堪锛?
- 鏄剧ず鏄剧ずBMP鍥剧墖128脳64璧峰鐐瑰潗鏍?x,y),x鐨勮寖鍥?锝?27锛寉涓洪〉鐨勮寖鍥?锝?
- *****************/
- void OLED_DrawBMP(uint8_t x0, uint8_t y0,uint8_t x1, uint8_t y1, uint8_t BMP[])
- {
- unsigned int j=0;
- uint8_t 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);
- }
- }
- }
- //鍒濆鍖朣SD1306
- void OLED_Init(void)
- {
- long int i;
- //Ddl_Delay1ms(100);
- for(i=0;i<20000;i++);
- OLED_WR_Byte(0xAE,OLED_CMD);//鍏抽棴鏄剧ず
-
- OLED_WR_Byte(0x40,OLED_CMD);//---set low column address
- OLED_WR_Byte(0xB0,OLED_CMD);//---set high column address
- OLED_WR_Byte(0xC8,OLED_CMD);//-not offset
- OLED_WR_Byte(0x81,OLED_CMD);//璁剧疆瀵规瘮搴?
- OLED_WR_Byte(0xff,OLED_CMD);
- OLED_WR_Byte(0xa1,OLED_CMD);//娈甸噸瀹氬悜璁剧疆
- OLED_WR_Byte(0xa6,OLED_CMD);//
-
- OLED_WR_Byte(0xa8,OLED_CMD);//璁剧疆椹卞姩璺暟
- OLED_WR_Byte(0x1f,OLED_CMD);
-
- OLED_WR_Byte(0xd3,OLED_CMD);
- OLED_WR_Byte(0x00,OLED_CMD);
-
- OLED_WR_Byte(0xd5,OLED_CMD);
- OLED_WR_Byte(0xf0,OLED_CMD);
-
- OLED_WR_Byte(0xd9,OLED_CMD);
- OLED_WR_Byte(0x22,OLED_CMD);
-
- OLED_WR_Byte(0xda,OLED_CMD);
- OLED_WR_Byte(0x02,OLED_CMD);
-
- OLED_WR_Byte(0xdb,OLED_CMD);
- OLED_WR_Byte(0x49,OLED_CMD);
-
- OLED_WR_Byte(0x8d,OLED_CMD);
- OLED_WR_Byte(0x14,OLED_CMD);
-
- OLED_WR_Byte(0xaf,OLED_CMD);
- OLED_Clear();
- }
效果图: