si4438-2

SI4463_InterFace();
 SI446X_RESET( );        //SI446X 模块复位
 
   do
    {   
        SI_CSN_LOW( );   
        SPI_ExchangeByte( READ_CMD_BUFF );   
        cts = SPI_ExchangeByte( 0xFF );  
        SI_CSN_HIGH( );
    }while( cts != 0xFF );
    SI_CSN_LOW( ); 
  SPI_ExchangeByte(PART_INFO);   
    SI_CSN_HIGH( );   
  
   do
    {   
        SI_CSN_LOW( );   
        SPI_ExchangeByte( READ_CMD_BUFF );   
        cts = SPI_ExchangeByte( 0xFF );  
        SI_CSN_HIGH( );
    }while( cts != 0xFF );
    SI_CSN_LOW( );  
 SPI_ExchangeByte( READ_CMD_BUFF );
 for(i=0;i<8;i++)
 {

   
        buffer1[i] = SPI_ExchangeByte( 0xFF );
 }
   
    SI_CSN_HIGH( );
  
 for(i=0;i<8;i++)
 {
  UART1_sendchar(buffer1[i]);
 }

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这段代码是获取