main.cpp

德州仪器(TI) 的超低功耗16 位RISC 混合信号处理器的MSP430 平台为电池供电的测量应用提供了最终解决方案。应用包括便携式医疗设备、低功耗工业操作、无线、实用计量等

// for cout
//#include <iostream>

// for printf
//#include "stdio.h"

// Lcd class definition
#include "lcd.h"

// F449 definitions
#include "msp430x44x.h"


// Timer A interrupt service routine
#pragma vector=TIMERA0_VECTOR
__interrupt void Timer( void )
{
  _DINT();
  
  // local object to get display control
  Lcd lLcd;
   
  // button #1
  if( !(P3IN & 0x10) )
  {
    lLcd.ArrowLeft( true );
    lLcd.ArrowUp( true );
    lLcd.ArrowDown( true );
    lLcd.ArrowRight( true );
  }
  else
  {
    lLcd.ArrowLeft( false );
    lLcd.ArrowUp( false );
    lLcd.ArrowDown( false );
    lLcd.ArrowRight( false );
  }

  // button #2
  if( !(P3IN & 0x20) )
    lLcd.Olimex( true );
  else
    lLcd.Olimex( false );
  
  // button #3
  if( !(P3IN & 0x40) )
    lLcd.SevenSeg( 12, 34 );
  else
    lLcd.Clear7Seg();
    
  // button #4
  if( !(P3IN & 0x80) )
  {
    lLcd.m( true );
    lLcd.u( true );
    lLcd.H( true );
    lLcd.F( true );
  }
  else
  {
    lLcd.m( false );
    lLcd.u( false );
    lLcd.H( false );
    lLcd.F( false );
  }
    
  
  _EINT();    
}

void Init( void )
{  
  // P3.4 to P3.7 set to input buttons
  P3DIR |= 0x0F;
  
  // init timer A so that we can 
  // use this to pool the buttons
  TACTL    = TASSEL1 + TACLR;   // SMCLK, clear TAR
  CCTL0    = CCIE;              // CCR0 interrupt enabled
  CCR0     = 1000;
  TACTL   |= MC1;               // Start timer A in continuous mode    
  
  // Enable interrupts
  _EINT();
}

int main (void)
{ 
  // stop watchdog timer
  WDTCTL = WDTPW + WDTHOLD;  
  
  // initialize timer interrupt 
  // and I/O input on P3
  Init();   
  
  // these can be released when using the full version
  // if released the includes must also be released
  // -------------------------------------------------
  //const char* date  = __DATE__;
  //printf("Date : %s ", date);
  
  //const char* time  = __TIME__;
  //cout << "Time : " << time;
  
  // initialize two object containing "Hello" and "World"
  Lcd Hello( "Hello" );
  Lcd World( "World", /* upper case == */ false, /* flush == */ false );    
  
  // flush the message "World" to the display  
  World.Flush();    
  
  // loop forever so that we have 
  // time to try the buttons
  for(;;);
}