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
CALL LCD_CURSOR
MOV A,7FH
DAA ACC
MOV A,03H
MOV COUNTER,A
ADDRESS_DISPLAY:
MOV A,OFFSET HEX_TO_TEXT_TABLE
MOV TBLP,A
MOV A,R0
ADDM A,TBLP
TABRDL ACC
CALL LCD_PUT_A_CHAR
INC MP0
SDZ COUNTER
JMP ADDRESS_DISPLAY
MOV A,OFFSET KEY_IN_DATA_BUFFER + 1
MOV MP0,A
MOV A,HT_DATA
AND A,0FH
MOV R0,A
DEC MP0
MOV A,HT_DATA
SWAP ACC
AND A,0FH
MOV R0,A
MOV A,48H
CALL LCD_CURSOR
MOV A,02H
MOV COUNTER,A
DATA_DISPLAY:
MOV A,OFFSET HEX_TO_TEXT_TABLE
MOV TBLP,A
MOV A,R0
ADDM A,TBLP
TABRDL ACC
CALL LCD_PUT_A_CHAR
INC MP0
SDZ COUNTER
JMP DATA_DISPLAY
MOV A,50H
CALL LCD_CURSOR
RET
ADDRESS_DATA_DISPLAY ENDP
;--------------------------------------------------------------------
SEQ_READ_BUFFER_DISPLAY PROC
MOV A,HT_DATA
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