hal_read_rx_fifo.s51

来自「zigbee location examples」· S51 代码 · 共 49 行

#include "ioCC2430.h"
#include <iar_check_symbols.h>

                MODULE  hal_read_rx_fifo.a51

#if (__CODE_MODEL__ == __CM_BANKED__)
                EXTERN  ?BRET
#endif

                RSEG    RCODE
                PUBLIC  halReadRxFifo;
                FUNCTION halReadRxFifo, 0203H
halReadRxFifo:  MOV     A, R1;
                JZ      doneR;
                PUSH    DPL;
                PUSH    DPH;
                MOV     DPL, R2;
                MOV     DPH, R3;
loopR:              MOV     A, RFD;
                    MOVX    @DPTR, A;
                    INC     DPTR;
                    DJNZ    R1, loopR;
                POP     DPH;
                POP     DPL;
doneR:
#if (__CODE_MODEL__ == __CM_BANKED__)

                LJMP    ?BRET;
#else
                RET
#endif

                PUBLIC  halDiscardRxFifo;
                FUNCTION halDiscardRxFifo, 0203H
halDiscardRxFifo:
                MOV     A, R1;
                JZ      doneD;
loopD:              MOV     A, RFD;
                    DJNZ    R1, loopD;
doneD:
#if (__CODE_MODEL__ == __CM_BANKED__)

                LJMP    ?BRET;
#else
                RET
#endif


                END;