MSP430F5529红外模块发送程序

只看该作者 · 2017-6-23 00:10

#include <msp430.h>



#define CPU_F ((double)1000000)

#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0))

#define delay_ms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0))

int cnt;

volatile int iflag=0;

void ir_open(){

        iflag=0;

  P2DIR |=  BIT3;//P2.2, P2.3输出

  P2SEL &= ~BIT3; //P2.2:IO P2.3:TA0

  P2OUT &= ~BIT3;



//38K->P2.3

  TBCCR0=15;



 /*TBCCR0 = (int)(26.3*8 + 0.5);`

  TBCCTL0 = OUTMOD_6;

  TBCCR1 = (int)(13.15*8 + 0.5);

*/

  TBCTL = TASSEL_2+MC_1+TACLR;

  TBCCTL0=CCIE;

}



void ir_start(){

  P2OUT |= BIT3;

  iflag=1;

  delay_us(9000);

  TBCTL =MC_1;



  P2OUT &= ~BIT3;

  iflag=0;

  delay_us(4500);

  TBCTL =MC_0;

}



void ir_next(){

  P2OUT |= BIT3;

  iflag=1;

  delay_us(9000);



  P2OUT &= ~BIT3;

  iflag=0;

  delay_us(2250);

}



void ir_send_byte(unsigned char c){

  unsigned char i;



  for(i = 0; i != 8; ++i){

    P2OUT |= BIT3;

    iflag=1;

    delay_us(560);



    P2OUT &= ~BIT3;

    iflag=0;

    if(c&0x01){

      delay_us(1685);

    }

    else{

      delay_us(565);

    }



    c >>= 1;

  }

}



void ir_end(){

  P2OUT |= BIT3;

  iflag=1;

  delay_us(300);

  P2OUT &= ~BIT3;

  iflag=0;

}



void ir_put(unsigned char c){

  ir_start();

  ir_send_byte(0x00);

  ir_send_byte(0x90);

  ir_send_byte(0x04);

  ir_send_byte(0x0A);

  ir_end();

}

int main(void)

{



  WDTCTL = WDTPW + WDTHOLD;                 // Stop WDT



  P1DIR |=BIT0 ;                   // P1.0 output



  while(1)

  {



//yanshi 1s

/*    cnt = 1000;

    TA0CCTL0 = ~CCIE;





    while(cnt!= 0);

    P1OUT ^= BIT0;

    TA1CTL = MC_0;  //mc_0=stop*/



          P1OUT ^= BIT0;

          ir_open();

          __bis_SR_register(GIE);

          ir_put(0x83);





  }

}







//#pragma vector = TIMERB_A0_VECTOR

#pragma vector=TIMERB0_VECTOR

__interrupt void TIMERB0_ISR()

{

if(iflag==1);

                P2OUT ^= BIT3;

        

}

请问问这程序有什么问题，38KHZ，我的定时器计时应该是13.8usIO电平翻转一次，但是
定时15之后进了中断之后就出不了，css不熟也不知道应该怎么调试，求大牛指点

3万 · 2017-6-23 08:10

ccs的使用参考：

Code_Composer_Studio(CCS)集成开发环境（IDE）入门指导书V10.pdf (3.74 MB)

只看该作者 · 2017-7-3 21:50

提高时钟频率16MHZ搞定　　我有空再来上传代码

3万 · 2017-7-4 23:17

eziobro 发表于 2017-7-3 21:50
提高时钟频率16MHZ搞定　　我有空再来上传代码

请及时结帖
结帖方法：
https://bbs.21ic.com/icview-442857-1-1.html

1万 · 2017-7-6 17:12

这个 MSP430F5529能用？

1万 · 2017-7-6 17:15

MSP430F5529的头文件不是msp430f55xx吗？

只看该作者 · 2017-7-17 08:36

#include <msp430.h>
#define CPU_F ((double)16000000)
#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0))
#define delay_ms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0))
int cnt,key=0,TEMP=0,times=0;
volatile int iflag=0;
void key_init(){
P1DIR |= BIT7;
P1REN |= BIT7;
P1IFG &= ~ BIT7;
P1IES |= BIT7;
P1IE |= BIT7;
P2DIR &= ~ BIT2 ;
P2REN |= BIT2;//Connects to the resistance
P2OUT |= BIT2;//Pull-Up Resistance
P2IES |= BIT2;
P2IFG &= ~ BIT2;
P2IE |= BIT2;
}
void ir_open(){
iflag=0;
  P2DIR |=  BIT3;//P2.2, P2.3Êä³ö
  P2SEL &= ~BIT3; //P2.2:IO P2.3:TA0
  P2OUT &= ~BIT3;

//38K->P2.3
  //TBCCR0=15;
  TBCCR0=210;

  TBCTL = TASSEL_2+MC_1+TACLR;
  TBCCTL0=CCIE;
}

void ir_start(){
  P2OUT |= BIT3;
  iflag=1;
  delay_us(9000);
  //TBCTL =MC_1;

  P2OUT &= ~BIT3;
  iflag=0;
  delay_us(4500);
  //TBCTL =MC_0;
}

void ir_next(){
P2OUT |= BIT3;
  iflag=1;
  delay_us(9000);

  P2OUT &= ~BIT3;
  iflag=0;
  delay_us(2250);
}

void ir_send_byte(unsigned char c){
  unsigned char i;

  for(i = 0; i != 8; ++i){
P2OUT |= BIT3;
iflag=1;
delay_us(560);

P2OUT &= ~BIT3;
iflag=0;
if(c&0x01){
   delay_us(1685);
}
else{
   delay_us(565);
}

c >>= 1;
  }
}
void ir_send_3byte(unsigned char c){
  unsigned char i;

  for(i = 0; i !=3; ++i){
P2OUT |= BIT3;
iflag=1;
delay_us(560);

P2OUT &= ~BIT3;
iflag=0;
if(c&0x01){
   delay_us(1685);
}
else{
   delay_us(565);
}

c >>= 1;
  }
}
void ir_end(){
  P2OUT &= ~BIT3;
  iflag=0;
  delay_us(300);
  P2OUT |= BIT3;
  iflag=1;
}
void ir_put_temp(unsigned char c){
  ir_start();
  ir_send_byte(0x79);
  ir_send_byte(0x0e);
  ir_send_byte(0x30);
  ir_send_byte(0x50);

  ir_send_3byte(0x02);
  P2OUT |= BIT3;
  iflag=1;
  delay_us(600);
  P2OUT &= ~BIT3;
  iflag=0;
  delay_us(19700);
  ir_send_byte(0x10);
  ir_send_byte(0x21);
  ir_send_byte(0x00);
  ir_send_byte(0x10);

  //P2OUT |= BIT3;
  //iflag=1;
  //delay_us(600);
  P2OUT &= ~BIT3;
  iflag=0;
  delay_ms(2000);

  //ir_end();
}
void ir_put(unsigned char c){
  ir_start();
  ir_send_byte(0x00);
  ir_send_byte(0x09);
  ir_send_byte(0x20);
  ir_send_byte(0x50);

  ir_send_3byte(0x02);
  P2OUT |= BIT3;
  iflag=1;
  delay_us(600);
  P2OUT &= ~BIT3;
  iflag=0;
  delay_us(19700);
  ir_send_byte(0x00);
  ir_send_byte(0x20);
  ir_send_byte(0x00);
  ir_send_byte(c);

  P2OUT |= BIT3;
  iflag=1;
  delay_us(600);
  P2OUT &= ~BIT3;
  iflag=0;
  delay_ms(2000);

  //ir_end();
}
void ir_put_on(unsigned char c){
  ir_start();
  ir_send_byte(0x79);
  ir_send_byte(0x00);
  ir_send_byte(0x30);
  ir_send_byte(0x50);

  ir_send_3byte(0x02);
  P2OUT |= BIT3;
  iflag=1;
  delay_us(600);
  P2OUT &= ~BIT3;
  iflag=0;
  delay_us(19700);//19700
  ir_send_byte(0x10);
  ir_send_byte(0x21);
  ir_send_byte(0x00);
  ir_send_byte(0x30);

  P2OUT &= ~BIT3;
  iflag=0;
  delay_ms(2000);

  //ir_end();
}
int main(void)
{
__bis_SR_register(SCG0);                // Disable the FLL control loop
UCSCTL1 = DCORSEL_5;                   // Select DCO range 16MHz operation
UCSCTL2 |= 499;                // Set DCO Multiplier for 16MHz
                                             // (N + 1) * FLLRef = Fdco
                                             // (249 + 1) * 32768 = 8MHz
__bic_SR_register(SCG0);
    WDTCTL = WDTPW + WDTHOLD;                // Stop WDT
    P1DIR |=BIT0 ;                // P1.0 output
key_init();

   ir_open();
   __bis_SR_register(GIE);
   while(1)
   {

P1OUT ^= BIT0;

ir_put_on(16);//work!
times=1;
}

}

//#pragma vector = TIMERB_A0_VECTOR
#pragma vector=TIMERB0_VECTOR
__interrupt void TIMERB0_ISR()
{
if(iflag==1)
{
P2OUT ^= BIT3;
   //P1OUT ^= BIT0;
}

}

#pragma vector = PORT1_VECTOR
__interrupt void Port1_IRS()
{
int state;

state=P1IN&BIT7;
delay_ms(500);
if(state==(P1IN&BIT7))
//irda_receive();
{
times=0;
P1OUT ^=BIT0;
TEMP=20;

}
P1IFG &= ~ BIT7 ;

}
#pragma vector = PORT2_VECTOR
__interrupt void Port2_IRS()
{
int state;

state=P2IN&BIT2;
delay_ms(500);
if(state==(P2IN&BIT2))
//irda_receive();

{
times=0;
P1OUT ^=BIT0;
key++;
if(key==3)
key=1;

}
P2IFG &= ~ BIT2 ;

}

//格力ＹＢＯＦ２，实现１６度开空调。