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
COUNTER DB ?
DATA_REGISTER DB ?
ADDRESS_REGISTER DB ?
SEQ_COUNTER DB ?
;--------------------------------------------------------------------
CODE .SECTION AT 00H ’CODE’
ORG 00H
JMP START
START:
SET PBC
SET PB
CALL LCD_RESET
CALL MESSAGE_01
CALL KEY_GET
;--------------------------------------------------------------------
SELECT_12:
CALL MESSAGE_02
MOV A,4FH
CALL LCD_CURSOR
AGAIN_12:
CALL KEY_GET
MOV A,KEY_DATA
SUB A,0DH
SZ ACC
JMP COMPARE_12_1
JMP SELECT_34
COMPARE_12_1:
MOV A,KEY_DATA
SUB A,01H
SZ ACC
JMP COMPARE_12_2
JMP FUNCTION_1
COMPARE_12_2:
MOV A,KEY_DATA
SUB A,02H
SZ ACC
JMP AGAIN_12
JMP FUNCTION_2
RET
;--------------------------------------------------------------------
SELECT_34:
CALL MESSAGE_03
MOV A,4FH
CALL LCD_CURSOR
AGAIN_34:
CALL KEY_GET
MOV A,KEY_DATA
SUB A,0CH
SZ ACC
JMP COMPARE_34_D
JMP SELECT_12
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