HT48R50A的 AT24C02 IIC 示例程序

; *************************************************
; Function :基于HT48R50A的 AT24C02 IIC 示例程序   *

; MicroProcessor : HT48R50A-1/28SKDIP-A           *

; Author:         www.picavr.com                  *
; Crystal :       4MHz                            *
; *************************************************
#INCLUDE                HT48R50A-1.INC
OK                      EQU     0CCH
ERROR                   EQU     0DDH
;--------------------------------------------------------------------
PUBLIC                  HT_DEVICE_ADD
PUBLIC                  HT_DATA
PUBLIC                  HT_DATA_ADD
;--------------------------------------------------------------------
EXTERN                  LCD_RESET:NEAR
EXTERN                  LCD_CURSOR:NEAR
EXTERN                  LCD_PUT_A_CHAR:NEAR
EXTERN                  DELAY_LONG:NEAR

EXTERN                  KEY_GET:NEAR
EXTERN                  KEY_IN_ADDRESS:NEAR
EXTERN                  KEY_IN_DATA:NEAR

EXTERN                  BYTE_WRITE:NEAR
EXTERN                  PAGE_WRITE:NEAR
EXTERN                  CURRENT_READ:NEAR
EXTERN                  RANDOM_READ:NEAR
EXTERN                  SEQUENTIAL_READ:NEAR

EXTERN                  MESSAGE_01:NEAR
EXTERN                  MESSAGE_02:NEAR
EXTERN                  MESSAGE_03:NEAR
EXTERN                  MESSAGE_04:NEAR
EXTERN                  MESSAGE_05:NEAR
EXTERN                  MESSAGE_06:NEAR
EXTERN                  MESSAGE_07:NEAR
EXTERN                  MESSAGE_08:NEAR
EXTERN                  MESSAGE_09:NEAR
EXTERN                  MESSAGE_10:NEAR
EXTERN                  MESSAGE_11:NEAR
EXTERN                  MESSAGE_12:NEAR
EXTERN                  MESSAGE_13:NEAR
EXTERN                  MESSAGE_14:NEAR
EXTERN                  MESSAGE_15:NEAR
EXTERN                  MESSAGE_16:NEAR
EXTERN                  MESSAGE_17:NEAR
EXTERN                  BIN_TO_HEX_TABLE:NEAR
EXTERN                  DEC_TO_HEX_TABLE:NEAR
EXTERN                  HEX_TO_TEXT_TABLE:NEAR
;--------------------------------------------------------------------
EXTERN                  KEY_DATA:BYTE
EXTERN                  KEY_IN_ADD_BUFFER:BYTE
EXTERN                  KEY_IN_DATA_BUFFER:BYTE
EXTERN                  SEQUENTIAL_READ_BUFFER:BYTE
;--------------------------------------------------------------------
DATA_9724               .SECTION        AT 60H          ’DATA’
HT_DEVICE_ADD           DB      ?
HT_DATA                 DB      ?
HT_DATA_ADD             DB      ?

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本文关键字：程序  合泰单片机，单片机-工控设备 - 合泰单片机