//API read a byte from register
unsigned char APIReadByte(void)
{
unsigned char data;
data=Spi_Read_Byte();
return data;
}
//API Read array bytes from register
void APIReadArrayBytes(unsigned int length)
{
unsigned int i;
for(i=0;i<length;i++)
{
*ptrRxBufWrite++=Spi_Read_Byte();
if(ptrRxBufWrite == ptrRxBufOver)
{
ptrRxBufWrite = &RxBuf[0];
}
}
}
unsigned char Spi_Read_Packet( u8 *receivebuf)//程序有问题，需要重新书写
{
// unsigned char size = 0,addr = 0;
unsigned char status[2];
u8 length;
// memset(thiscomm->receivebuf,0,MAX_RECEIVE_LEN);
Spi_Read_Byte(CC_SIDLE);
if ((Spi_Read_Byte(CC_RXBYTES) & 0x7F))
{
length= Spi_Read_Byte(CC_RXFIFO)-1; //数据长度
receivebuf[0]=Spi_Read_Byte(CC_RXFIFO);
if(receivebuf[0]<10&&receivebuf[0]>0)
{
Spi_Read_Burst(CC_RXFIFO,&(receivebuf[0]),length); //接收数据
Spi_Read_Burst(CC_RXFIFO,status,2);//校验数据
}
}
Spi_Write_Strobe(CC_SIDLE); //进入空闲 L
Spi_Write_Strobe(CC_SFRX); //清缓冲区
Spi_Write_Strobe(CC_SRX); //进入接收 L
return (status[1]&CRC_OK); //校验标志
}