我的cc1101怎么就是无法发送和接收数据呢？请高手指点下！

Ryan · 发表于 2010-5-25 22:08:44

我的cc1101怎么就是无法发送和接收数据呢？请高手指点下！
/*引入文件************************************************/
#include<avr/io.h>
#include <util/delay.h>
#include "cc1101.h"

/*接口定义************************************************/
#define Led 0                                  //输出指示
#define led_off PORTB &= ~(1<<Led)          //关闭指示
#define led_on  PORTB |=  (1<<Led)          //打开指示

/*模块接口************************************************/
#define SLK  2                                  //时钟接口 PD2-SLK
#define CSN  0                                  //芯片选择 PD0-CSN
#define MOSI 3                                  //数据输出 PD3-MOSI
#define MISO 1                                  //数据输入 PD1-MISO

#define GDO0 4                                  //状态指示 PD4-GDO0

#define SCLK_L PORTD &= ~(1<<SLK)             //发出时钟 PD2
#define SCLK_H PORTD |=  (1<<SLK)             //结束时钟

#define MOSI_L PORTD &= ~(1<<MOSI)             //低位数据 PD3
#define MOSI_H PORTD |=  (1<<MOSI)             //高位数据

#define MISO_L (!(MISO_H))                      //输入低位 PD1
#define MISO_H (PIND &(1<<MISO))             //输入高位

#define CSN_L  PORTD &= ~(1<<CSN)             //使能选择 PD0
#define CSN_H  PORTD |=  (1<<CSN)             //使能结束

#define GDO0_L (!(GDO0_H))                      //低位指示 PD4
#define GDO0_H (PIND &(1<<GDO0))             //高位指示

unsigned char Patable[]={0x51, 0xC8, 0x85, 0x51, 0x3A, 0x06, 0x1C, 0x6C};  //10dBm

unsigned char Tx_data[] = {0xAA}; //,0xFE, 0xD6, 0x29, 0x0E, 0x0E, 0x77, 0x88

unsigned char Rx_data[10];

void PORT_Init(void)
{
DDRD |= (1<<CSN|1<<SLK|1<<MOSI);  //PD0,2,3输出
PORTD |= (1<<MISO|1<<GDO0);       //PD1,4上拉

DDRB = 0x01;
PORTB = 0x01;

DDRA = 0xFF;
PORTA = 0xFF;

}

unsigned char SpiTxRx_Byte(unsigned char data)
{
   unsigned char i, temp = 0;

   for (i=0; i<8; i++)                      //读写八位
   {
   if (data & 0x80)
      {
      MOSI_H;                               //写出高位
      }
   else
      {
      MOSI_L;                               //写出低位
      }

   SCLK_H;                                  //发出时钟
   _delay_us(1);

   data <<= 1;                            //数据左移
   temp <<= 1;                            //数据左移

   if (MISO_H)
      {
      temp += 1 ;                            //读记录高位
      }
   else
      {
      temp += 0;                            //读记录低位
      }
   SCLK_L;                                  //结束时钟
   _delay_us(1);
   }
   return temp;                               //返回数据

}

void RESET_CC1100(void)
{
      CSN_L;                                     //片选使能
      while (MISO_H);                            //等待响应

      SpiTxRx_Byte(CC_SRES);                   //复位命令
      while (MISO_H);                            //等待响应

      CSN_H;                                     //结束使能
}

void POWER_UP_RESET_CC1100(void)
{
      CSN_H;                                     //上电拉高
      SCLK_H,                                  //发出时钟
      MOSI_L;                                  // *写低电平  SIDLE滤波
      _delay_us(1);                               //
      CSN_L;                                     //片选使能，低电平有效进入SPI模式

      _delay_us(1);                               //
      CSN_H;                                     //选择拉高  SIDLE滤波
      _delay_us(40);                            //
      SCLK_L;                                  //拉低时钟  SPWD滤波


      RESET_CC1100();                            //复位命令

}


void Spi_Write_Strobe(unsigned char strobe)
{
   CSN_L;                                     //片选使能
   while (MISO_H);                            //等待响应
   SpiTxRx_Byte(strobe);                      //写入命令
   CSN_H;                                     //结束使能
}

unsigned char Spi_Read_Byte(unsigned char addr)
{
   unsigned char value;
   CSN_L;                                     //片选使能
   while (MISO_H);                            //等待响应

   SpiTxRx_Byte(addr|Read_Byte);          //送出地址
   value = SpiTxRx_Byte(0);                   //读寄存器
   CSN_H;                                     //结束使能

   return value;                            //返回数据

}

void Spi_Write_Byte(unsigned char addr,unsigned char value)
{
   CSN_L;                                     //片选使能
   while (MISO_H);                            //等待响应
   SpiTxRx_Byte(addr);             //送出地址
   SpiTxRx_Byte(value);                      //写入配置
   CSN_H;                                     //结束使能
}


void Spi_Read_Burst (unsigned char addr,unsigned char *Rx_buffer,unsigned char count)
{
   unsigned char i;
   CSN_L;                                     //片选使能
   while (MISO_H);                            //等待响应
   SpiTxRx_Byte((addr|Read_Burst));          //连续读取

   for (i = 0; i < count; i++)                //
   {
   Rx_buffer = SpiTxRx_Byte(0);             //存储数据
   }
   CSN_H;                                     //结束使能
}

void Spi_Write_Burst(unsigned char addr,unsigned char *Tx_buffer,unsigned char count)
{
   unsigned char i;

   CSN_L;                                     //片选使能
   while (MISO_H);                            //等待响应
   SpiTxRx_Byte((addr|Write_Burst));          //连续写入

   for (i = 0; i < count; i++)                //
   {
   SpiTxRx_Byte(Tx_buffer);                //送出数据
   }
   CSN_H;                                     //结束使能
}

unsigned char Spi_Read_Packet(unsigned char *Rx_buffer,unsigned char length)
{
unsigned char status[2];
unsigned char size = 0;

Spi_Write_Strobe(CC_SRX);

size = Spi_Read_Byte(CC_RXFIFO);          //数据长度

if (size < length)                         //*接收的数据长度是否小于存放数组的长度*//
   {
   Spi_Read_Burst(CC_RXFIFO,Rx_buffer,size); //接收数据
   Spi_Read_Burst(CC_RXFIFO,status,2);    //校验数据
   }

Spi_Write_Strobe(CC_SFRX);                //清缓冲区
return (status[1] & CRC_OK);             //校验标志
}

void Spi_Write_Packet(unsigned char *Tx_buffer,unsigned char size)
{
  unsigned char i;

  Spi_Write_Byte(CC_TXFIFO,size);          //先送长度
  Spi_Write_Burst(CC_TXFIFO,Tx_buffer,size);  //发送数据
  Spi_Write_Strobe(CC_STX);                //发送模式

  i = 0;
while (GDO0_L)                            //等待送出
   {
   if (i > 10) break;                      //限时等待
   _delay_us(1);                            //
   i++;                                     //
   }
  i = 0;
while (GDO0_H)                               //送出完毕
   {
   if (i > 10) break;                      //限时等待
   _delay_us(1);                            //
   i++;                                     //
   }

  Spi_Write_Strobe(CC_SFTX);                //清缓冲区
  //Spi_Write_Strobe(CC_SIDLE);                //进入空闲
  //Spi_Write_Strobe(CC_SRX);                //进入接收
}

void Rx_cc1100(void)
{
   //unsigned char *buffer = Rx_data;
   unsigned char size;

   size = sizeof(Rx_data);                   //最大长度

   Spi_Read_Packet(Rx_data,size);  //读取数据包

   Spi_Write_Strobe(CC_SIDLE);                //进入空闲
   //Spi_Write_Strobe(CC_SRX);                //进入接收
}

void Tx_cc1100(void)
{
   unsigned char Tx_Size;

   Tx_Size = sizeof(Tx_data);                //数组长度

   Spi_Write_Packet(Tx_data,Tx_Size); //发送数据包

   Spi_Write_Strobe(CC_SIDLE);                //进入空闲
   Spi_Write_Strobe(CC_SRX);                //进入接收
}

void WriteRfSettings(void)
{
   Spi_Write_Byte (CC_IOCFG2,IOCFG2);       //
   Spi_Write_Byte (CC_IOCFG0,IOCFG0);       //
   Spi_Write_Byte (CC_FIFOTHR,FIFOTHR);       //
   Spi_Write_Byte (CC_PKTLEN,PKTLEN);       //
   Spi_Write_Byte (CC_PKTCTRL1,PKTCTRL1);    //
   Spi_Write_Byte (CC_PKTCTRL0,PKTCTRL0);    //
   Spi_Write_Byte (CC_ADDR,ADDR);             //
   Spi_Write_Byte (CC_CHANNR,CHANNR);       //
   Spi_Write_Byte (CC_FSCTRL1,FSCTRL1);       //
   Spi_Write_Byte (CC_FSCTRL0,FSCTRL0);       //
   Spi_Write_Byte (CC_FREQ2,FREQ2);          //
   Spi_Write_Byte (CC_FREQ1,FREQ1);          //
   Spi_Write_Byte (CC_FREQ0,FREQ0);          //
   Spi_Write_Byte (CC_MDMCFG4,MDMCFG4);       //
   Spi_Write_Byte (CC_MDMCFG3,MDMCFG3);       //
   Spi_Write_Byte (CC_MDMCFG2,MDMCFG2);       //
   Spi_Write_Byte (CC_MDMCFG1,MDMCFG1);       //
   Spi_Write_Byte (CC_MDMCFG0,MDMCFG0);       //
   Spi_Write_Byte (CC_DEVIATN,DEVIATN);       //
   Spi_Write_Byte (CC_MCSM0,MCSM0);          //
   Spi_Write_Byte (CC_FOCCFG,FOCCFG);       //
   Spi_Write_Byte (CC_BSCFG,BSCFG);          //
   Spi_Write_Byte (CC_AGCCTRL2,AGCCTRL2);    //
   Spi_Write_Byte (CC_AGCCTRL1,AGCCTRL1);    //
   Spi_Write_Byte (CC_AGCCTRL0,AGCCTRL0);    //
   Spi_Write_Byte (CC_FREND1,FREND1);       //
   Spi_Write_Byte (CC_FREND0,FREND0);       //
   Spi_Write_Byte (CC_FSCAL3,FSCAL3);       //
   Spi_Write_Byte (CC_FSCAL2,FSCAL2);       //
   Spi_Write_Byte (CC_FSCAL1,FSCAL1);       //
   Spi_Write_Byte (CC_FSCAL0,FSCAL0);       //
   Spi_Write_Byte (CC_FSTEST,FSTEST);       //
   Spi_Write_Byte (CC_TEST2,TEST2);          //
   Spi_Write_Byte (CC_TEST1,TEST1);          //
   Spi_Write_Byte (CC_TEST0,TEST0);          //
}


  void Init_cc1100(void)
{
   POWER_UP_RESET_CC1100();                   //上电复位

   WriteRfSettings();                         //写入配置

   Spi_Write_Burst(CC_PATABLE,Patable,8);    //功率配置

   Spi_Write_Strobe(CC_SIDLE);                //进入空闲
   Spi_Write_Strobe(CC_SRX);                //进入接收 */
}

void _delay_s(unsigned char t)
{
  unsigned char i,j;
  for(j=0;j<t;j++);
{
   for(i=0;i<16;i++)
   _delay_ms(65);
}
}

int main(void)
{
   unsigned char i;
   PORT_Init();          //IO定义
   _delay_s(2);

   led_off;
   _delay_s(2);

   Init_cc1100();

   while(1)
   {
   Rx_cc1100();
   led_on;

   for(i=0;i<10;i++)
      {
      PORTA = Rx_data;
   _delay_s(3);
      }
   Rx_cc1100();
   }
}
/*********************************************************/

我的cc1101怎么就是无法发送和接收数据呢？请高手指点下！

阿莫论坛20周年了！感谢大家的支持与爱护！！