main._c

cc1100的通信程序

/*C**************************************************************************
* NAME:         main.c
*----------------------------------------------------------------------------
* Copyright (c) 2006 endylu
*----------------------------------------------------------------------------
* RELEASE:      M8-cc1100
* REVISION:     1.0     
*----------------------------------------------------------------------------
* PURPOSE:
* This is the demonstration software for MAGE8L
*****************************************************************************/

/*_____ I N C L U D E S ____________________________________________________*/

#include <iom8v.h>
#include <macros.h>
#include "main.h"


/*_____ M A C R O S ________________________________________________________*/


/*_____ D E F I N I T I O N ________________________________________________*/

INT8U PaTabel[8] = {0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0};
INT8U arrRx[50];

INT8U length;
INT8U flag_receive;
/*_____ D E C L A R A T I O N ______________________________________________*/


/*F**************************************************************************
* NAME: main
*----------------------------------------------------------------------------
* PARAMS:
*
* return:
*----------------------------------------------------------------------------
* PURPOSE: 
*   Main user routine 
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE:
*----------------------------------------------------------------------------
* REQUIREMENTS:
*****************************************************************************/
void main (void)
{   
    PORTD|=0X04;                  //GDO0上拉
	
    DDRB|=1<<LED1;
	PORTB|=1<<LED1;
	
	CpuInit();
	POWER_UP_RESET_CC1100();
	halRfWriteRfSettings();
	halSpiWriteBurstReg(CCxxx0_PATABLE, PaTabel, 8);
	PORTB&=~(1<<LED1);
	
	INT0_Init();
    asm("sei");			          //开全局中断
	
    halSpiStrobe(CCxxx0_SRX);
	while(1);
}
		
/*****************************************************************************************
//函数名:void INT0_Init(void)
//输入：无
//输出：无
//功能描述：外部中断0 初始化程序
/*****************************************************************************************/
void INT0_Init(void)
{
 MCUCR|=0x02;                      //falling_adge
 GIFR=0X40;
 INT0_enable();
}


//*****************************************************************************************
//函数名：
//输入：
//输出：
//功能描述：中断接收
//*****************************************************************************************
#pragma interrupt_handler int0:2
void int0(void)
{ 
  uint8 i;
  uint8 status[2];
  
  flag_receive=RECEIVE_error;
  if(halSpiReadStatus(CCxxx0_RXBYTES) & BYTES_IN_RXFIFO)//如果接的字节数不为0
	{
	 length = halSpiReadReg(CCxxx0_RXFIFO);//读出第一个字节，此字节为该帧数据长度
	 halSpiReadBurstReg(CCxxx0_RXFIFO, arrRx, length); //读出所有接收到的数据
     halSpiReadBurstReg(CCxxx0_RXFIFO, status, 2); 	//读出CRC校验位
            
     if(status[1] & CRC_OK)
       {
	    flag_receive=RECEIVE_OK;
		
		PORTB|=1<<LED1;
		for(i=2;i<length;i++)
		     {
			 putchar(arrRx[i]);
			 }
		Delay_ms(100);
	    PORTB&=~(1<<LED1);
       }     
    }
  halSpiStrobe(CCxxx0_SFRX);		//清洗接收缓冲区
  halSpiStrobe(CCxxx0_SRX);
}

void Delay_us(uint16 time) //set time 120 to 100us,set 1 to 3.5us;
	{while (time--);
	 _WDR();
	}
void Delay_ms(uint16 time) 
	{while (time--)
	 Delay_us(1200);
	}