串口画图
- #include <msp430x14x.h>
- #include <math.h>
- #include "pic.h"
- #define LCD_CS_High P5OUT|=BIT2 // LCD_RS P62
- #define LCD_CS_Low P5OUT&=~BIT2 // LCD_RS
- #define LCD_SID_High P5OUT|=BIT4 // LCD_RW DB0_DB7 P64
- #define LCD_SID_Low P5OUT&=~BIT4 // LCD_RW IR DR
- #define LCD_CLK_High P5OUT|=BIT3 // LCD_EN P63
- #define LCD_CLK_Low P5OUT&=~BIT3 // LCD_EN
- #define LCD_PSB_High P5OUT|=BIT0 //
- #define LCD_PSB_Low P5OUT&=~BIT0 // P30
- #define uchar unsigned char
- #define uint unsigned int
- uchar line[64][16]={0},Point[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
- void delay_ms(unsigned int timer)
- {
- unsigned int i;
- for(i=0;i<1000;i--)
- for(;timer>0;timer--)
- ;
- }
- void Send_Byte(unsigned byte)
- {
- uchar i;
- for(i=0;i<8;i++)
- {
- LCD_CLK_Low;
- if(byte&0x80)
- {LCD_SID_High; delay_ms(10);}
-
- else
- { LCD_SID_Low ;delay_ms(10);}
- byte<<=1;
- LCD_CLK_High;
- delay_ms(10);
- LCD_CLK_Low;
- delay_ms(10);
- }
- }
- /*鍐欏懡浠ゅ埌娑叉櫠*/
- void LCD_WCMD(unsigned char cmd)
- {
- delay_ms(1);
- Send_Byte(0xf8); //11111,RW(0),RS(0),0;
- delay_ms(2);
- Send_Byte(0xf0&cmd);
- delay_ms(2);
- Send_Byte(0xf0&cmd<<4);
- delay_ms(2);
- }
- /*鍐欐暟鎹埌娑叉櫠*/
- void LCD_WDAT(unsigned char date)
- {
- delay_ms(1);
-
- Send_Byte(0xfa); //11111,RW(0),RS(1),0
- delay_ms(2);
- Send_Byte(0xf0&date);
- delay_ms(2);
- Send_Byte(0xf0&date<<4);
- delay_ms(2);
- }
- void Display(unsigned char X,unsigned char Y,unsigned char *string)
- {
- if (X==0)
- {X=0x80;}
- else if (X==1)
- {X=0x90;}
- else if (X==2)
- {X=0x88;}
- else if (X==3)
- {X=0x98;}
- LCD_WCMD(X+Y);
-
- while(*string )
- { //鏄
- LCD_WDAT(*string++);
- }
- }
- void Display_number(unsigned char X,unsigned char Y,unsigned char number)
- {
- if (X==0)
- {X=0x80;}
- else if (X==1)
- {X=0x90;}
- else if (X==2)
- {X=0x88;}
- else if (X==3)
- {X=0x98;}
- LCD_WCMD(X+Y);
- LCD_WDAT(48+number);
- }
- void Clock_init()
- {
- unsigned char t;
- BCSCTL1 = RSEL0 + RSEL1 + RSEL2; // XT2on, max RSEL
- BCSCTL1&=~XT2OFF; //鎵撳紑XT2鎸崱鍣?
- do
- {
- IFG1 &= ~OFIFG; // 娓呴櫎鎸崱鍣ㄥけ鏁堟爣蹇?
- for (t = 255; t > 0; t--); // 寤舵椂锛岀瓑寰匵T2璧锋尟
- }
- while ((IFG1 & OFIFG) != 0); // 鍒ゆ柇XT2鏄惁璧锋尟
-
- BCSCTL2 |= SELS+SELM_2; // SMCLK = XT2
- }
- void LCD_init()
- {
- LCD_WCMD(0x34); //鎵嶄綔
- delay_ms(2);
- LCD_WCMD(0x30); //嶄綔
- delay_ms(2);
- LCD_WCMD(0x0C); //鏄叧鍏夋爣
- delay_ms(2);
- LCD_WCMD(0x01); //
- delay_ms(2);
-
- }
- /*------------------------------------------------
- 娓呭睆
- ------------------------------------------------*/
- void ClrScreen()
- {
- LCD_WCMD(0x01);
- delay_ms(15);
- }
- /*------------------------------------------------
- 璁剧疆鍒扮粯鍥炬ā寮?
- ------------------------------------------------*/
- void SetGraphicMode()
- {
- LCD_WCMD(0x36); //閫夋嫨紡
- delay_ms(20);
- }
- /*------------------------------------------------
- 鏄剧ず鍥剧墖
- ------------------------------------------------*/
- void LCD_PutGraphic(unsigned char *img)
- {
- int i,j;
- for(i=0;i<32;i++)
- {
- LCD_WCMD(0x80 + i); //
- LCD_WCMD(0x80); //
- for(j=0;j<16;j++)
- {
- LCD_WDAT(*img);
- img++;
- }
- }
- for(i=0;i<32;i++)
- {
- LCD_WCMD(0x80 + i);
- LCD_WCMD(0x88);
- for(j=0;j<16;j++)
- {
- LCD_WDAT(*img);
- img++;
- }
- }
-
- }
- void DrawPoint(uchar x,uchar y)
- {
- line[x][y/8]|=Point[y%8];
- //delay_ms(100);
- }
- void main( void )
- {
- uchar u;
- //unsigned char x,y,colour=1 ;
- WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer to prevent time out reset
- //Clock_init(); //
- P5DIR|=BIT0+BIT2+BIT3+BIT4;
- LCD_PSB_Low;
- LCD_init();
- for(u=0;u<64;u++)
- DrawPoint(u,u);
- for(u=32;u<63;u++)
- DrawPoint(32,u);
- for(u=32;u<63;u++)
- DrawPoint(32,u+32);
- for(u=63;u>0;u--)
- DrawPoint(63-u,u+63);
- ClrScreen(); //清屏
- SetGraphicMode(); //设置成绘图模式
- LCD_PutGraphic(&line[0][0]);
- delay_ms(5000);
- _BIS_SR(LPM0_bits);
- }
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