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下列程序让1602液晶屏显示心形，为何实现不了，请大神指教。

2017-12-8 22:33:38 3183

0 #include #define LCD1602_DB P0 *it LCD1602_RS=P1^0; it LCD1602_RW=P1^1; *it LCD1602_E=P1^5; void InitLcd1602(); void LcdShowStr(unsigned char x,unsigned char y,unsigned charstr); void main() { unsigned char str[]={ 0x03,0x07,0x0F,0x1F,0x1F,0x1F,0x1F,0x1F, //左上 0x18,0x1E,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, //左中上 0x03,0x0F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, //右中上 0x18,0x1C,0x1E,0x1F,0x1F,0x1F,0x1F,0x1F}; //右上 unsigned char stb[]={ 0x0F,0x07,0x03,0x01,0x00,0x00,0x00,0x00, //左下 0xFF,0xFF,0xFF,0xFF,0x0F,0x03,0x01,0x00, //左中下 0x1F,0x1F,0x1F,0x1F,0x1E,0x18,0x10,0x00, //右中下 0x1E,0x1C,0x18,0x10,0x00,0x00,0x00,0x00}; //右下 InitLcd1602(); LcdShowStr(str); LcdShowStr(stb); while(1); } void LcdWaitReady() { unsigned char sta; LCD1602_DB=0xFF; LCD1602_RS=0; LCD1602_RW=1; do{ LCD1602_E=1; sta=LCD1602_DB; LCD1602_E=0; } while(sta&0x80); } void LcdWriteCmd(unsigned char cmd) { LcdWaitReady(); LCD1602_RS=0; LCD1602_RW=0; LCD1602_DB=cmd; LCD1602_E=1; LCD1602_E=0; } void LcdWriteDat(unsigned char dat) { LcdWaitReady(); LCD1602_RS=1; LCD1602_RW=0; LCD1602_DB=dat; LCD1602_E=1; LCD1602_E=0; } void LcdSetCursor(unsigned char x,unsigned char y) { unsigned char addr; if(y==0) addr=0x00+x; else addr=0x40+x; LcdWriteCmd(addr\|0x80); } void LcdShowStr(unsigned char x,unsigned char y,unsigned charstr) { LcdSetCursor(x,y); while(str!='') { LcdWriteDat(*str++); } } void InitLcd1602() { LcdWriteCmd(0x38); LcdWriteCmd(0x0C); LcdWriteCmd(0x06); LcdWriteCmd(0x01); } 0
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