【正文】 //清屏 (清DDRAM)}/**********************************************************************。 //整體顯示ON，游標OFF，游標位置OFF write_(0x06)。}void init_12864_GDRAM() { write_(0x30)。 write_data(img[j*16+i*2+1])。//1000 1xxx 設(shè)定繪圖RAM——再設(shè)定水平(行)地址AC3AC2AC1AC0 write_(0x30)。//0011 0100 擴充功能設(shè)定——8位數(shù)據(jù) 擴充指令操作 繪圖開write_(0x80+j32)。i8。j64。 write_data(img[j*16+i*2+1])。 //1000 0xxx 設(shè)定繪圖RAM——再設(shè)定水平(行)地址AC3AC2AC1AC0 write_(0x30)。 //0011 0100 擴充功能設(shè)定——8位數(shù)據(jù) 擴充指令操作 繪圖開 write_(0x80+j)。i8。j32。 //寫入小時的十位 }////函數(shù)功能:顯示128x64圖形,適用于st7920型液晶///************************************************************************/ void write12864GDRAM(unsigned char code *img){ uchar i,j。 //定義指針 pp=bmp1616。write_(0x0f)。write_(0x0f)。write_(0x0f)。write_(0x0f)。 } } write_(0x0f)。j++) //再寫入兩個8位元的數(shù)據(jù),AC會自動增一，接著寫數(shù)據(jù) { if(sign==1) write_data(~(*bmp++))。 //再寫入水平位址(上半屏第一字為0X80，……第七字為0X87) //下半屏第一字為0X88，……第七字為0X8F； for(j=0。 //寫入垂直位址。i16。 //垂直位址都是從0X80開始的，不管上下半屏。 //垂直位址從0X80開始. } if(y==3||y==4) //第三第四行 { basex=0x88。 //擴展指令，繪圖模式命令，開顯示也可以繪.(關(guān)圖片顯示0x34) if(y==1||y==2) //第一第二行 { basex=0x80。 //光標右移,DDRAM位址計數(shù)器(AC)加1,不整屏移動 */}/*使用繪圖的方法讓一個16*16的漢字符反白*///形式參數(shù):uchar x,uchar y,uchar wide,uchar bkcor//行參說明:坐標水平位置,坐標垂直位置,反白行數(shù),要反白還是清除(1:反白,0:清除) void write1616GDRAM(uchar x,uchar y,uchar sign,uchar *bmp) { //x列，y行，sign反白選擇(1不反白,0反白),bmp圖畫的選擇 uchar i,j,basex。 //開顯示(無游標、不反白) lcm_clr()。/* write_(0x30)。 write_(0x01)。 write_(0x0c)。 write_(0x30)。 write_(0x30)。//寫數(shù)據(jù)（1，數(shù)據(jù)） }}/*清屏函數(shù)*/void lcm_clr(void){ write_(0x01)。}/******************************************************************************/void lcm_w_test(bit i,uchar word){//寫指令或數(shù)據(jù)（被調(diào)用層） if(i == 0) { write_(word)。 s++。 //低四位(先執(zhí)行) CS = 0。 //高四位 SendByte(0xf0amp。 //11111,RW(0),RS(1),0 SendByte(0xf0amp。 chk_busy()。 //低四位(先執(zhí)行) CS = 0。 //高四位 SendByte(0xf0amp。 //11111,RW(0),RS(0),0 SendByte(0xf0amp。 chk_busy()。ReceiveByte())。}//檢查忙位void chk_busy(){ do SendByte(0xfc)。temp1)+(0x0famp。 if(SID) temp2++。 SCLK = 1。i++) { temp2=temp21。 } for(i=0。 SCLK = 0。 SCLK = 0。i8。 temp2 = 0。 }}uchar ReceiveByte(void){ uchar i,temp1,temp2。 //移出的位給SID SCLK = 1。 Dbyte=Dbyte1。i8。}/*12864液晶顯示屏并口驅(qū)動程序*/void SendByte(uchar Dbyte){ uchar i。 str[j] = temp。 i++) { int temp = str[i]。 for (i = 0。 break。 *ptr = 39。 num /= radix。\039。039。039。 int j。 uchar *ptr = str。uchar code bmp12864[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x27,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x30,0x00,0x00,0x3E,0x00,0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x0C,0x00,0x00,0x21,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x07,0x00,0x00,0x21,0x38,0x93,0x91,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x0F,0x80,0x00,0x21,0x44,0x94,0x51,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x06,0xC0,0x00,0x3E,0x44,0x94,0x51,0x44,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x1F,0x40,0x00,0x21,0x7C,0x97,0xCA,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x0C,0x03,0x60,0x00,0x21,0x40,0x94,0x0A,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x12,0x00,0x60,0x00,0x21,0x40,0x94,0x04,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x30,0x00,0x40,0x00,0x3E,0x3C,0x93,0xC4,0x3C,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x20,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x30,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x18,0x02,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xC8,0xC0,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x60,0x00,0x00,0xF0,0x3C,0x38,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x80,0x00,0x01,0x80,0x60,0x0E,0x06,0x00,0x00,0x00,0x00,0x44,0xF2,0x2B,0x39,0xC5,0xC0,0x00,0x02,0x00,0xC0,0x03,0xEC,0x00,0x00,0x00,0x00,0x45,0x0A,0x2C,0x42,0x24,0x80,0x00,0x04,0x01,0x80,0x00,0x30,0x00,0x00,0x00,0x00,0x45,0x0A,0x28,0x42,0x24,0x80,0x00,0x08,0x03,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x29,0x0A,0x28,0x33,0xE4,0x80,0x00,0x10,0x02,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x29,0x0A,0x28,0x0A,0x04,0x80,0x00,0x30,0x04,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x11,0x0A,0x28,0x0A,0x04,0x80,0x00,0x60,0x08,0x00,0x05,0x00,0x00,0x00,0x00,0x00,0x10,0xF1,0xE8,0x71,0xE4,0x80,0x00,0x40,0x18,0x00,0x0D,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x10,0x00,0x11,0x00,0x70,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x31,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x61,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0xC1,0x18,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x83,0x30,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x01,0x02,0x60,0x00,0x00,0x0F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x02,0x03,0x80,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,