PIC16F84单片机做的频率计

s_MHz
        retlw    ’ ’            ; "MHz".
        retlw    ’M’            ;
        retlw    ’H’            ;
        retlw    ’z’            ;
        retlw    0            ;

s_m
        retlw    ’ ’            ; "m  ".
        retlw    ’m’            ;
        retlw    ’ ’            ;
        retlw    ’ ’            ;
        retlw    0            ;

s_LFMode
        retlw    ’L’            ; "LF".
        retlw    ’F’            ;
        retlw    0            ;

s_MFmode
        retlw    ’M’            ; "MF".
        retlw    ’F’            ;
        retlw    0            ;

s_MHmode
        retlw    ’M’            ; "MH".
        retlw    ’H’            ;
        retlw    0            ;

s_HFmode
        retlw    ’H’            ; "HF".
        retlw    ’F’            ;
        retlw    0            ;

s_xpshdr
        retlw    ’I’            ; "INPUT".
        retlw    ’N’            ;
        retlw    ’P’            ;
        retlw    ’U’            ;
        retlw    ’T’            ;
        retlw    ’:’            ;
        retlw    0            ;

s_xpsOFF
        retlw    ’A’            ; "A".
        retlw    0            ; (External prescaler:OFF)

s_xpsON
        retlw    ’B’            ; "B".
        retlw    0            ;(External prescaler:ON)

s_over
        retlw    ’T’            ; "Too Long !!"
        retlw    ’o’            ;
        retlw    ’o’            ;
        retlw    ’ ’            ;
        retlw    ’L’            ;
        retlw    ’o’            ;
        retlw    ’n’            ;
        retlw    ’g’            ;
        retlw    ’ ’            ;
        retlw    ’!’            ;
        retlw    ’!’            ;
        retlw    0            ;

;-------------------------------------------------------------------------
; Data tables.
;-------------------------------------------------------------------------

; ----- Get Internal prescaler rate. -------------------------------------

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本文关键字：单片机  PIC单片机，单片机-工控设备 - PIC单片机