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HT48R50A的 AT24C02 IIC 示例程序

HT48R50A的 AT24C02 IIC 示例程序

点击数:7125 次   录入时间:03-04 11:56:25   整理:http://www.55dianzi.com   合泰单片机
;--------------------------------------------------------------------
SELECT_7:
                        CALL    MESSAGE_05
                         MOV      A,4FH
                        CALL    LCD_CURSOR
AGAIN_7:
                        CALL    KEY_GET
                         MOV      A,KEY_DATA
                        SUB     A,0CH
                        SZ      ACC
                        JMP     COMPARE_7_7
                        JMP     SELECT_56
COMPARE_7_7:
                         MOV      A,KEY_DATA
                        SUB     A,07H
                        SZ      ACC
                        JMP     AGAIN_7
                        JMP     FUNCTION_7
                        RET
;--------------------------------------------------------------------
FUNCTION_1:
                        CALL    MESSAGE_08
                         MOV      A,4FH
                        CALL    LCD_CURSOR
F_1_AGAIN:
                        CALL    KEY_GET
                         MOV      A,KEY_DATA
                        SUB     A,01H
                        SZ      ACC
                        JMP     F_1_COMPARE_2
                        CALL    MESSAGE_09
                        SET     PC.4            ;WRITE PROTECT
                        CALL    KEY_GET         ;ENABLE
                        JMP     F_1_END
F_1_COMPARE_2:
                         MOV      A,KEY_DATA
                        SUB     A,02H
                        SZ      ACC
                        JMP     F_1_AGAIN
                        CALL    MESSAGE_10
                        CLR     PC.4            ;WRITE PROTECT
                        CALL    KEY_GET         ;DISABLE
F_1_END:
                        JMP     SELECT_12
                        RET
;--------------------------------------------------------------------
FUNCTION_2:
                        CALL    MESSAGE_06
                         MOV      A,41H
                        CALL    LCD_CURSOR

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