C++ (Cpp) spi_sendzerorecvbyte示例

示例#1

文件： rx_cg023_protocol.c 项目： silver13/d1

static char checkpacket()
{
	spi_cson();
	int status = spi_sendzerorecvbyte();
	spi_csoff();
	if( (status & B00001110) != B00001110 )
	{
		// rx fifo not empty		
		return 2;	
	}
	
  return 0;
}

示例#2

文件： rx_bayang_protocol.c 项目： rafacouto/CG023

static char checkpacket()
{
	spi_cson();
	int status = spi_sendzerorecvbyte();
	spi_csoff();
	if ( status&(1<<MASK_RX_DR) )
	{	 // rx clear bit
		// this is not working well
	 // xn_writereg( STATUS , (1<<MASK_RX_DR) );
		//RX packet received
		//return 1;
	}
	if( (status & B00001110) != B00001110 )
	{
		// rx fifo not empty		
		return 2;	
	}
	
  return 0;
}