LCD.zip_lcd MSP430g2553_msp430g2553 lcd_visual c

#include <msp430g2553.h> #define uchar unsigned char #define uint unsigned int #define CS1 P2OUT|=BIT0 //p2.1 #define CS0 P2OUT&=~BIT0 #define SID1 P2OUT|=BIT1 //p1.6 #define SID0 P2OUT&=~BIT1 #define SCLK1 P2OUT|=BIT2 //p1.7 #define SCLK0 P2OUT&=~BIT2 #define RST1 P2OUT|=BIT3 //p2.0 #define RST0 P2OUT&=~BIT3 /************写定值函数（如，温度范围，当前温度，预设温度，加热状态；这些汉字的）***************/ uchar code_dingzhia[]={"水温自动测控系统"}; uchar code_dingzhib[]={"预设温度: 00℃ "}; uchar code_dingzhic[]={"当前温度: 00℃ "}; uchar code_dingzhid[]={"当前状态: 关 "}; uchar code_xianshi[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};//0-9 void delayms(unsigned int nValue)//delay 1ms at 8M { unsigned int ii; unsigned int jj; for(ii = 100;ii > 0;ii--) { for(jj = nValue;jj > 0;jj--) _NOP(); } } void sendbyte(unsigned char zdata) //发送单字节 { unsigned int i; for(i=0; i<8; i++) { if((zdata << i) & 0x80) //1000 0000 { SID1; } else { SID0; } SCLK0; delayms(1); SCLK1; delayms(1); } } void write_com(unsigned char cmdcode) //写指令 { CS1; sendbyte(0xf8); //1 1 1 1 RS RW 0 写操作RW=0 11111000写数据 11111010写指令 sendbyte(cmdcode & 0xf0); //传送高四位 sendbyte((cmdcode << 4) & 0xf0); //传送低四位 delayms(1); } void write_data(unsigned char Dispdata) //写数据 { CS1; sendbyte(0xfa); //写数据命令 sendbyte(Dispdata & 0xf0); sendbyte((Dispdata << 4) & 0xf0); delayms(1); CS0; } void lcdinit() { RST0; delayms(2); RST1; delayms(10); write_com(0x01); //清空显示 delayms(2); write_com(0x30); //功能设定：基本指令集 delayms(2); write_com(0x0c); //显示状态：整体显示，游标关 delayms(2); } void display1() //写字符 { uint i; write_com(0x80); for(i=0;i<16;i++) { write_data(code_dingzhia[i]); delayms(1); } } void display2() { uint i; write_com(0x90); for(i=0;i<16;i++) { write_data(code_dingzhib[i]); delayms(1); } } void display3() { uint i; write_com(0x88); for(i=0;i<16;i++) { write_data(code_dingzhic[i]); delayms(1); } } void display4() { uint i; write_com(0x98); for(i=0;i<16;i++) { write_data(code_dingzhid[i]); delayms(1); } } void yushe(uchar yushi,uchar yuge) { write_com(0x03);//表示执行写操作 delayms(5); write_com(0x95); write_data(code_xianshi[yushi]);//十位 write_data(code_xianshi[yuge]);//个位 } /************当前温度显示函数***************/ void dangqian(uchar dangshi,uchar dangge) { write_com(0x03);//表示执行写操作 delayms(5); write_com(0x8D); write_data(code_xianshi[dangshi]);//十位 write_data(code_xianshi[dangge]);//个位 } void main() { WDTCTL = WDTPW + WDTHOLD; //关闭看门狗 if (CALBC1_8MHZ ==0xFF || CALDCO_8MHZ == 0xFF) { while(1); // If calibration constants erased // do not load, trap CPU!! } BCSCTL1 = CALBC1_8MHZ; // Set range DCOCTL = CALDCO_8MHZ; // Set DCO step + modulation */ P2DIR|=0x03; P1DIR|=0xc0; lcdinit(); delayms(5); display1(); delayms(1); display2(); delayms(1); display3(); delayms(1); display4(); delayms(1); while(1) { yushe(4,2); delayms(1); dangqian(7,8); delayms(1); } }