msp430f149 Learning Path-keys and LEDs

Code

1 /***********************************2 program function: Control LED status with key3 Disadvantage: The button can not change the status of the LED after pressing, you may use the Reset button on the board ^~^4 *************************************/5#include <msp430x14x.h>6 7 intK,i=0;8 voidint_clk ();9 voidLedintn);Ten voidMain () One { AWdtctl = Wdtpw +Wdthold; - int_clk (); -P1dir =0Xf0; theP1out =0XFF; -P6dir =0XFF; -P6out =0XFF; -    +    while(1) -   { +P1out =0X0F; A     if(p1in! =0X0F) at     { -        for(intI= -;i>0; i--) - _nop (); -       if(p1in! =0X0F) -       { -         Switch(P1in &0X0F) in         { -          Case 0x0e: LED (0); Break; to          Case 0x0d: LED (1); Break; +          Case 0x0b: LED (2); Break; -          Case 0x07: LED (3); Break; the         } *       } $     }Panax Notoginseng   } - } the  + voidINT_CLK () A { theBCSCTL1 &= ~Xt2off; +BCSCTL2 |= selm_1 +SELS; -    Do $   { $IFG1 &= ~OFIFG; -      for(intI= -;i>1; i--) - _nop (); the} while((IFG1 & OFIFG)! =0); -IFG1 &= ~OFIFG;Wuyi } the  - voidLedintN) Wu { -k=N; AboutTACCTL0 =CCIE; $TACCR0 =50000; -Tactl = Mc_1 +tassel_2; -   - _eint (); A } + #pragmaVector = Timera0_vector the__interruptvoidTimera (void) - { $   if(k==0) theP6out = ~ (0X80>> (i++)); the   Else if(k==1) theP6out = ~ (0x01<< (i++)); the   Else if(k==2) -P6out =0XFF; in   Else theP6out =0x00; the    About   if(i==8) theI=0; the    the    for(intj= the;j>1; j--) + _nop (); -}

msp430f149 Learning Path-keys and LEDs