- #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
- char CharData[] = { "bbs.21ic.com" };
- char CharData1[] = { "HC89S105A8" };
- /***************************************************************************************
- * @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_Clear();
-
- OLED_ShowString(10,0,(u8 *)CharData,16);
- OLED_ShowCHinese(10,2,0);
- OLED_ShowCHinese(26,2,1);
- OLED_ShowCHinese(42,2,2);
- OLED_ShowString(10,4,(u8 *)CharData1,16);
- OLED_ShowCHinese(10,6,8);
- OLED_ShowCHinese(26,6,9);
- OLED_ShowCHinese(42,6,5);
- OLED_ShowCHinese(58,6,6);
- OLED_ShowCHinese(74,6,7);
- 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
- #include "oled.h"
- #define u8 unsigned char
- #define Max_Column 128
- //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
- extern void IIC_Send_Byte(unsigned char fuc_Add, unsigned char fuc_Dat);
- void Delay1(unsigned long time)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><64>*/
- for(;time>0;time--);
-
- /*<UserCodeEnd>*//*<SinOne-Tag><64>*/
- }
- /**
- * [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?
- */
- u8 TWI_WriteOneByte(u8 DeviceAddr,u8 DataAddr,u8 u8Data)
- {
- IIC_Send_Byte(DataAddr, u8Data);
- return 0;
- }
-
- ////OLED娓呭睆
- void OLED_Clear()
- {
- /*<UserCodeStart>*//*<SinOne-Tag><65>*/
- unsigned int i,n;
- for(i=0;i<8;i++)
- {
- TWI_WriteOneByte(0x78,0x00,0xb0+i);
- TWI_WriteOneByte(0x78,0x00,0x00);
- TWI_WriteOneByte(0x78,0x00,0x10);
- for(n=0;n<128;n++)
- {
- TWI_WriteOneByte(0x78,0x40,0);
- }
- }
-
- /*<UserCodeEnd>*//*<SinOne-Tag><65>*/
- }
- ////OLED鍒濆鍖?
- void OLED_Init()
- {
- /*<UserCodeStart>*//*<SinOne-Tag><66>*/
- Delay1(100);
- TWI_WriteOneByte(0x78,0x00,0xAE);
- TWI_WriteOneByte(0x78,0x00,0x00);
- TWI_WriteOneByte(0x78,0x00,0x10);
- TWI_WriteOneByte(0x78,0x00,0x40);
- TWI_WriteOneByte(0x78,0x00,0xB0);
- TWI_WriteOneByte(0x78,0x00,0x81);
- TWI_WriteOneByte(0x78,0x00,0xFF);
- TWI_WriteOneByte(0x78,0x00,0xA1);
- TWI_WriteOneByte(0x78,0x00,0xA6);
- TWI_WriteOneByte(0x78,0x00,0xA8);
- TWI_WriteOneByte(0x78,0x00,0x3F);
- TWI_WriteOneByte(0x78,0x00,0xC8);
- TWI_WriteOneByte(0x78,0x00,0xD3);
- TWI_WriteOneByte(0x78,0x00,0x00);
-
- TWI_WriteOneByte(0x78,0x00,0xD5);
- TWI_WriteOneByte(0x78,0x00,0x80);
-
- TWI_WriteOneByte(0x78,0x00,0xD8);
- TWI_WriteOneByte(0x78,0x00,0x05);
-
- TWI_WriteOneByte(0x78,0x00,0xD9);
- TWI_WriteOneByte(0x78,0x00,0xF1);
-
- TWI_WriteOneByte(0x78,0x00,0xDA);
- TWI_WriteOneByte(0x78,0x00,0x12);
-
- TWI_WriteOneByte(0x78,0x00,0xDB);
- TWI_WriteOneByte(0x78,0x00,0x30);
-
- TWI_WriteOneByte(0x78,0x00,0x8D);
- TWI_WriteOneByte(0x78,0x00,0x14);
-
- TWI_WriteOneByte(0x78,0x00,0xAF);
- Delay1(100);
-
- /*<UserCodeEnd>*//*<SinOne-Tag><66>*/
- }
- ////娓呴櫎鎸囧畾鍖哄煙瀛楃x0,y0,宸︿笂瑙掑潗鏍噚1,y1,鍙充笅瑙掑潗鏍?
- void OLED_PartClear(u8 x0,u8 y0,u8 x1,u8 y1)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><67>*/
- u8 i,n;
- for( i=x0;i<x1;i++)
- {
- for( n=y0;n<y1;n++)
- {
- TWI_WriteOneByte(0x78,0x00,0xb0+i);
- TWI_WriteOneByte(0x78,0x00,((n&0xf0)>>4)|0x10);
- TWI_WriteOneByte(0x78,0x00,(n&0x0f));
- TWI_WriteOneByte(0x78,0x40,0);
- }
- }
-
- /*<UserCodeEnd>*//*<SinOne-Tag><67>*/
- }
- ////m^n鍑芥暟
- unsigned long oled_pow(u8 m,u8 n)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><68>*/
- u32 result=1;
- while(n--)
- {
- result*=m;
- }
- return result;
-
- /*<UserCodeEnd>*//*<SinOne-Tag><68>*/
- }
- ////鍧愭爣璁剧疆
- void OLED_Set_Pos(unsigned char x, unsigned char y)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><69>*/
- TWI_WriteOneByte(0x78,0x00,0xb0+y);
- TWI_WriteOneByte(0x78,0x00,((x&0xf0)>>4)|0x10);
- TWI_WriteOneByte(0x78,0x00,(x&0x0f));
-
- /*<UserCodeEnd>*//*<SinOne-Tag><69>*/
- }
- ////鍦ㄦ寚瀹氫綅缃樉绀轰竴涓瓧绗?鍖呮嫭閮ㄥ垎瀛楃x:0~127y:0~8chr:瀛楃鍦板潃size:閫夋嫨瀛椾綋16/12
- void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><70>*/
- unsigned char 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++)
- {
- TWI_WriteOneByte(0x78,0x40,F8X16[c*16+i]);
- }
- OLED_Set_Pos(x,y+1);
- for(i=0;i<8;i++)
- {
- TWI_WriteOneByte(0x78,0x40,F8X16[c*16+i+8]);
- }
- }
- else
- {
- OLED_Set_Pos(x,y);
- for(i=0;i<6;i++)
- {
- TWI_WriteOneByte(0x78,0x40,F6x8[c][i]);
- }
- }
-
- /*<UserCodeEnd>*//*<SinOne-Tag><70>*/
- }
- ////鏄剧ず姹夊瓧
- void OLED_ShowCHinese(u8 x,u8 y,u8 no)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><71>*/
- u8 t,adder=0;
- OLED_Set_Pos(x,y);
- for(t=0;t<16;t++)
- {
- TWI_WriteOneByte(0x78,0x40,Hzk[2*no][t]);
- adder+=1;
- }
- OLED_Set_Pos(x,y+1);
- for(t=0;t<16;t++)
- {
- TWI_WriteOneByte(0x78,0x40,Hzk[2*no+1][t]);
- adder+=1;
- }
-
- /*<UserCodeEnd>*//*<SinOne-Tag><71>*/
- }
- /******************************************************************************************************
- *鏄剧ず2涓暟瀛梮,y :璧风偣鍧愭爣len :鏁板瓧鐨勪綅鏁皊ize:瀛椾綋澶у皬num:鏁板€?0~429496729
- *5)
- ******************************************************************************************************/
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><72>*/
- 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);
- }
-
- /*<UserCodeEnd>*//*<SinOne-Tag><72>*/
- }
- ////鏄剧ず涓€涓瓧绗︿覆
- void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><73>*/
- 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++;
- }
-
- /*<UserCodeEnd>*//*<SinOne-Tag><73>*/
- }
效果图: