想写一个msp430f5438a的rtc闹钟代码，能调整时间，设定时间亮灯

2015-12-3 23:19:17 5718

0 基础程序如下，不奢求能帮忙写出来，想问一下我应该再加什么东西。 #include #define RSPIN (0x04) //P11.2 #define RWPIN (0x02) //P11.1 #define EPIN (0x01) //P11.0 unsigned char XPOS,YPOS; //char a[]=" "; char a1[]=" : : "; char a2[]=" : : // "; int i=0,j=0; void delay(unsigned int t) { unsigned int i,j; for(i=0;i for(j=0;j<10;j++) _NOP(); } void lcdwaitidle(void) { P10DIR=0x00; P11OUT &=~RSPIN; P11OUT \|=RWPIN; P11OUT \|=EPIN; while((P10IN&0x80)==0x80); P11OUT &=~EPIN; P10DIR \|=0Xff; } void lcdwcn(unsigned char c) { P11OUT &=~RSPIN; P11OUT &=~RWPIN; P10OUT=c; P11OUT \|=EPIN; _NOP(); P11OUT &=~EPIN; } void lcdwc(unsigned char c) { lcdwaitidle(); lcdwcn(c); } void lcdwd(unsigned char d) { lcdwaitidle(); P11OUT \|=RSPIN; P11OUT &=~RWPIN; P10OUT=d; P11OUT \|=EPIN; _NOP(); P11OUT &=~EPIN; } void lcdpos(void) { XPOS&=0x0f; YPOS&=0x03; if(YPOS==0x00) lcdwc(XPOS\|0x80); else if(YPOS==0x01) lcdwc((XPOS+0x40)\|0x80); } void lcdreset() { __delay_cycles(150); lcdwcn(0x38); __delay_cycles(50); lcdwcn(0x38); __delay_cycles(50); lcdwcn(0x38); lcdwc(0x38); lcdwc(0x08); lcdwc(0x01); lcdwc(0x06); lcdwc(0x0c); } void lcdfill(unsigned char n) { for(YPOS=0;YPOS<2;YPOS++) for(XPOS=0;XPOS<16;XPOS++){ lcdpos(); lcdwd(n); __delay_cycles(40000); } } void lcdwda(unsigned char x,unsigned char y,unsigned char s) { YPOS=y; for(XPOS=x;XPOS<16;XPOS++) { lcdpos(); lcdwd(s); s++; __delay_cycles(40000); } } int main(void) { WDTCTL =WDTPW+WDTHOLD; //Stop watchdog timer P7SEL\|=0x03; //xt1 //loop until 32khz crystal stabilizes // P2DIR &= ~0x1f; // Set P1.0 to output direction P2REN \|= 0x1f; P2OUT \|= 0x1f; P2IE \|= 0x1f; P2IES \|= 0x1f; P2IFG &= ~0x1f; // P9DIR \|= BIT6+BIT7; P9DS \|= BIT6+BIT7; P9OUT &= ~BIT7; P9OUT \|= BIT6; P10OUT =0; P11OUT =0; P10DIR \|=0XFF; P11DIR \|=0XFF; P11OUT &=~EPIN; lcdreset(); while((SFRIFG1 & OFIFG)) //test oscillator fault flag { UCSCTL7 &=~(XT2OFFG+XT1LFOFFG+DCOFFG); SFRIFG1 &= ~OFIFG; } //clear fault flags RTCCTL01=RTCBCD+RTCHOLD+RTCMODE+RTCTEVIE+RTCAIE; //RTC enable ,bcd mode //alARM every minute //enable rtc interrupt //init time RTCSEC=0x00; //Set seconds RTCMIN=0x32; //Set minutes RTCHOUR=0x10; //Set hours //inint date RTCDOW=0x03; //Set dow RTCDAY=0x30; //Set day RTCMON=0x04; //Set month RTCYEAR=0X2010; //Set year RTCCTL01 &= ~RTCHOLD; //ENABLE RTC P5DIR\|=BIT5; //set p5.5 to output direction //enter LMP3 w/ interrupt __bis_SR_register(GIE); while(1) { lcdwda(0,0,a); lcdwda(0,1,a1); a[0]=((RTCYEAR>>12)&0x0F)+'0'; a[1]='0'+((RTCYEAR>>8)&0x0F); a[2]=((RTCYEAR>>4)&0x0F)+'0'; a[3]=(RTCYEAR&0x0F)+'0'; a[5]='0'+((RTCMON>>4)&0x0F); a[6]='0'+(RTCMON&0x0f); a[8]='0'+((RTCDAY>>4)&0x0F); a[9]='0'+(RTCDAY&0x0f); a1[0]='0'+((RTCHOUR>>4)&0x0f); a1[1]='0'+(RTCHOUR&0x0f); a1[3]='0'+((RTCMIN>>4)&0x0f); a1[4]='0'+(RTCMIN&0x0f); a1[6]='0'+((RTCSEC>>4)&0x0f); a1[7]='0'+(RTCSEC&0x0F); } //basic timer interrupt service routine #pragma vector=RTC_VECTOR __interrupt void RTC(void) { P5OUT ^=0x20; //toggle P5.5 using XOR RTCCTL01&=~RTCTEVIFG; } 1
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