buffer.h

来自「在AVR 平台下的控制代码,通过CAN控制」· C头文件 代码 · 共 26 行

/**
 * @defgroup TDAPI_UTIL_FIFO FIFO Management
 *
 * @{
 */

/** The header of the FIFO buffer. */
typedef struct FifoStruct
{
    Byte ucHead;     /**< Head index  */ 
    Byte ucTail;     /**< Tail index  */
    Byte ucSize;     /**< Buffer size */
    Byte ucData[1];  /**< the first byte of the buffer */
} FifoStruct;
typedef FifoStruct * FifoHandle;


#define tdInitFIFO(gpFIFOBuffer, cLength) (tdInitFIFO2(gpFIFOBuffer, cLength), (FifoHandle)gpFIFOBuffer)
void tdInitFIFO2(Byte * gpFIFOBuffer, Byte cLength);
Bool tdGetFIFO(FifoHandle fh, Byte * apData);
Bool  tdSetFIFO(FifoHandle fh, Byte ucData) ;
void  tdClearFIFO(FifoHandle fh) ;
Bool  tdFIFOIsEmpty(FifoHandle fh) ;
Bool  tdFIFOIsFull(FifoHandle fh) ;