分享单片机读取TXT文档程序

1万 · 2012-9-26 13:14

这是我最近做的关于用单片机读取从串口调试小助手发送的TXT文件的程序，希望可以帮到大家的啊。。这其中有什么问题的大家可以随时提的啊，谢谢！

#include <msp430f5310.h>
#define  uint unsigned int
unsigned char adc_flag =0,temp =0,rx_flag =0,RX_buffer1 =0xff,RX_buffer2=0xff;  //,deal_flag =0
unsigned int number =0,adc_number[2000];
unsigned int adc_temp=0xffff,a1=0xffff,a2=0xffff,a=0xffff,a0=0xffff,a00=0,RX_temp =0xffff;
void int_clk()
{
  WDTCTL = WDTPW+WDTHOLD;                //关闭看门狗
  PMAPPWD = 0x02D52;                      // Enable Write-access to modify port mapping registers
  P4MAP7 = PM_MCLK;
  PMAPPWD = 0;                                  // Disable Write-Access to modify port mapping registers
UCSCTL3 |= SELREF_2;                   // Set DCO FLL reference = REFO
  UCSCTL4 |= SELA_2;                      // Set ACLK = REFO
  // Increase Vcore setting to level1 to support fsystem=12MHz
  // NOTE: Change core voltage one level at a time..
  //SetVcoreUp (0x01);
  // Initialize DCO to 12MHz
  __bis_SR_register(SCG0);                // Disable the FLL control loop
  UCSCTL0 = 0x0000;                      // Set lowest possible DCOx, MODx
  UCSCTL1 = DCORSEL_5;                   // Select DCO range 24MHz operation
  UCSCTL2 = FLLD_1 + 374;                // Set DCO Multiplier for 12MHz
                                          // (N + 1) * FLLRef = Fdco
                                          // (374 + 1) * 32768 = 12MHz
                                          // Set FLL Div = fDCOCLK/2
  __bic_SR_register(SCG0);                // Enable the FLL control loop
  // Worst-case settling time for the DCO when the DCO range bits have been
  // changed is n x 32 x 32 x f_MCLK / f_FLL_reference. See UCS chapter in 5xx
  // UG for optimization.
  // 32 x 32 x 12 MHz / 32,768 Hz = 375000 = MCLK cycles for DCO to settle
  __delay_cycles(375000);

  // Loop until XT1,XT2 & DCO fault flag is cleared
  do
  {
UCSCTL7 &= ~(XT2OFFG + XT1LFOFFG + DCOFFG);
                                          // Clear XT2,XT1,DCO fault flags
SFRIFG1 &= ~OFIFG;                   // Clear fault flags
  }while (SFRIFG1&OFIFG);                // Test oscillator fault flag

}
void UartConfig()
{
  P4SEL = 0x30;                         // P4.0,4,5 USCI_A0 option select
  P4DIR |=BIT4;
  UCA1CTL1 |= UCSWRST;                   // **Put state machine in reset**
  UCA1CTL1 |= UCSSEL_2;                   // SMCLK
  UCA1BR0 = 78;                            // 12MHz 19200 (see User's Guide)
  UCA1BR1 = 0;                            // 12MHz 19200
  UCA1MCTL = UCBRS_0 + UCBRF_2 + UCOS16; // Modln UCBRSx=0, UCBRFx=0,
                                          // over sampling
  UCA1CTL1 &= ~UCSWRST;                   // **Initialize USCI state machine**
  UCA1IE |= UCRXIE;                      // Enable USCI_A0 RX interrupt
}
void main(void)
{
  int_clk();
  UartConfig();
__bis_SR_register(GIE);
while(1)
{
   if(adc_flag ==0x01)
   {
   adc_flag =0;
   adc_number[number++]=a00;
   // UCA1TXBUF = temp;
   }
if(adc_flag ==0x02)
   {
   adc_flag =0;
   for(uint j=0;j<number;j++)
   {
      a00 =adc_number[j];
      temp = a00>>8;
      while (!(UCA1IFG&UCTXIFG));
      UCA1TXBUF = temp;
      while (!(UCA1IFG&UCTXIFG));
      temp =a00;
      UCA1TXBUF = temp;
   }
   }
   __no_operation();                      // For debugger
}

}

#pragma vector=USCI_A1_VECTOR
__interrupt void USCI_A1_ISR(void)
{
  switch(__even_in_range(UCA1IV,4))
  {
  case 0:break;                            // Vector 0 - no interrupt
  case 2:                                  // Vector 2 - RXIFG
while (!(UCA1IFG&UCTXIFG));          // USCI_A0 TX buffer ready?
temp =UCA1RXBUF;
if(temp >=65)
{
   temp =temp -55;
   if(RX_buffer1 ==0xff)
   RX_buffer1 =temp;
   else if(RX_buffer2 ==0xff)
      RX_buffer2 =temp;
}
else if(temp >=48)
{
   temp =temp -48;
   if(RX_buffer1 ==0xff)
   RX_buffer1 =temp;
   else if(RX_buffer2 ==0xff)
      RX_buffer2 =temp;
}
if(temp ==32)
{
   temp =RX_buffer1<<4;
   temp +=RX_buffer2;
   //deal_flag =0;
   RX_buffer1 =0xff;
   RX_buffer2 =0xff;
   if(rx_flag ==0)
   {
      adc_temp = temp;
      adc_temp =adc_temp <<8;
      rx_flag =0x01;
   }
   else if(rx_flag ==0x01)
   {
      rx_flag =0;
      adc_temp += temp;
      if(adc_temp ==0xaaaa)
      {
      adc_flag =0x02;
      }
      else
      {
         if(a1 ==0xffff)                      //
         a1=adc_temp;
         else if(a2 ==0xffff)
         a2 =adc_temp;
         if((a1 ==0xffff)||(a2 ==0xffff))
         {;}
         else
         adc_flag =0x01;
      }
   }
}

//if(rx_flag ==0x01)
//{
//  rx_flag =0;
//  adc_number[number++] =temp;
//}
break;
  case 4:break;                            // Vector 4 - TXIFG
  default: break;
  }
}