main.c

这写C源代码是MSP430单片机的应用程序

//----------------------------------------------------------------------------
//  Demo Application for MSP430/CC1100-2500 Interface Code Library v1.0
//
//  K. Quiring
//  Texas Instruments, Inc.
//  July 2006
//  IAR Embedded Workbench V3.42A
//----------------------------------------------------------------------------

#include "include.h"

extern char paTable[];
extern char paTableLen;

char txBuffer[4];
char rxBuffer[4];
unsigned int i,j;

void main (void)
{
  WDTCTL = WDTPW + WDTHOLD;                     //关看门狗
  TI_CC_SPISetup();                             //初始化 SPI 端口
  TI_CC_PowerupResetCCxxxx();                   //复位 CCxxxx
  writeRFSettings();                            //设置 RF 寄存器
  TI_CC_SPIWriteBurstReg(TI_CCxxx0_PATABLE, paTable, paTableLen);
  TI_CC_SW_PxIES = ~(TI_CC_SW1+TI_CC_SW2);      //下降沿中断
  TI_CC_SW_PxIFG &= ~(TI_CC_SW1+TI_CC_SW2);     //清按键中断标志
  TI_CC_SW_PxIE = TI_CC_SW1+TI_CC_SW2;          //中断使能
  TI_CC_LED_PxDIR = TI_CC_LED1 + TI_CC_LED2;    // LED输出功能
  TI_CC_LED_PxOUT = TI_CC_LED1 + TI_CC_LED2;    // LED 输出
  TI_CC_GDO0_PxIES |= TI_CC_GDO0_PIN;           //下降沿中断   
  TI_CC_GDO0_PxIFG &= ~TI_CC_GDO0_PIN;          //清标志位
  TI_CC_GDO0_PxIE |= TI_CC_GDO0_PIN;            //中断使能
  TI_CC_SPIStrobe(TI_CCxxx0_SRX);               //初始化 CCxxxx 
                                               
  for (i=0;i<20;i++)
  {
    for(j=0;j<5000;j++)
    {}
      TI_CC_LED_PxOUT ^=(TI_CC_LED1 + TI_CC_LED2);// LED 闪烁
  } 
  TI_CC_LED_PxOUT =0;                             // 关 LED
  _BIS_SR(LPM3_bits + GIE);                       // 进入LPM3模式
}


#pragma vector=PORT1_VECTOR
__interrupt void port1_ISR (void)
{
  if (P1IFG & BIT0 || P1IFG & BIT1)            // SW1或SW2按下
  {                                             
    txBuffer[0] = 2;                           // 数据长度
    txBuffer[1] = 0x1;                         // 数据地址

    if (P1IFG & BIT1)                          // SW2 按键
    {
      txBuffer[2] = BIT2;                      //  LED1 亮
      for (i=0;i<10000;i++)                    // 延时 
      {}  
      P1IFG &= ~BIT1;                          // 清按键SW2标志   
    }                                          
    else
    {
      txBuffer[2] = BIT1;                      //  LED2 亮
      for (i=0;i<10000;i++)                    //  延时
      {}
      P1IFG &= ~BIT0;                          // 清按键SW1标志 
    }                                          

    RFSendPacket(txBuffer, 3);                 // 发送数据
    P1IFG &= ~TI_CC_GDO0_PIN;                 
  }

  else if(P1IFG & TI_CC_GDO0_PIN)              // 接收
  {                                          
    char len=2;                               
    if (RFReceivePacket(rxBuffer,&len))        // 接收数据
      TI_CC_LED_PxOUT ^= rxBuffer[1];          // 翻转LED

    P1IFG &= ~TI_CC_GDO0_PIN;                  // 清接收标志
  }
}