cs5460程序

CLK     equ      P1.6;   --
DAT     equ      P1.7;   E2prom
dat7    equ      p0.3;   ---
clk7    equ      p0.2;   7289
cs7     equ      p0.1;
rset    equ      p0.0;   ---
SDI     equ      p1.5;   cs5460
sdo     equ      p1.4
sclk    equ      p1.3
csa     equ      p1.0
csb     equ      p1.1
csc     equ      p1.2;   ---
dog     equ      p3.5
;"""""""""""""""""""""""""""""""""""
REST:             ;5460复位
MOV     R6,#06H
MOV     R0,#0FFH
USA:
NOP
NOP
cpl     dog
ACALL   COMM
DJNZ    R6,USA    ;串行口初始化
MOV     R0,#0FEH
NOP
NOP
ACALL   COMM
MOV     10H,#00H
MOV     11H,#00H
MOV     12H,#81H
MOV     R0,#40H     ;CS5460复位
MOV     R1,#10H
NOP
NOP
ACALL   WWW
NOP
NOP
ACALL   T9
MOV      10H,#80H
MOV      11H,#00H
MOV      12H,#20H
MOV     R0,#74H
MOV     R1,#10H
NOP
NOP                  ;写中断寄存器
ACALL   WWW
NOP
NOP
ACALL   T9
MOV     10H,#00H
MOV     11H,#00H
MOV     12H,#71H
MOV     R0,#40H     ;写入5460配置寄存器
MOV     R1,#10H
NOP
NOP
ACALL   WWW
NOP
NOP
ACALL   T9
MOV     R0,#0D0H
NOP
NOP
LCALL   COMM        ;电压校准
ddd1:
MOV     R0,#1EH
MOV     R1,#10H
NOP
NOP
ACALL   READ
MOV     A,10H        ;等待校准完毕
JNB     ACC.7,ddd1
MOV     10H,#0FFH
MOV     11H,#0FFH
MOV     12H,#0FEH
MOV     R0,#5EH
MOV     R1,#10H
NOP
NOP
LCALL   WWW      ;清DRDY,WDT位
MOV     R0,#0C8H
NOP
NOP
LCALL   COMM           ;电流校准
Ddd2:
MOV     R0,#1EH
MOV     R1,#10H
NOP
nOP
ACALL   READ
MOV     A,10H           ;等待校准完毕
JNB     ACC.7,ddd2
MOV     10H,#0FFH
MOV     11H,#0FFH
MOV     12H,#0FEH
MOV     R0,#5EH
MOV     R1,#10H
NOP
NOP
LCALL   WWW      ;清DRDY,WDT位
NOP
NOP
LCALL    WUIROM     ;将校准值写入5460
NOP
NOP
ACALL    T9
;MOV     R0,#0C0H
;NOP
;NOP
;ACALL   COMM        ;禁止校准
MOV     10H,#0FFH
MOV     11H,#0FFH
MOV     12H,#0FEH
MOV     R0,#5EH
MOV     R1,#10H
NOP
NOP
LCALL   WWW      ;清DRDY,WDT位
NOP
NOP
ACALL    T9
MOV     R0,#0E8H
NOP
NOP
ACALL   COMM    ;进行连续计算
NOP
NOP
RET
T9:
MOV     R7,#0FFH
T2:
NOP
NOP
DJNZ    R7,T2
NOP
NOP
RET
COMM:   ;对芯片进行控制，命令字在R0
        clr     sdo
        MOV     A,R0
        MOV     R4,#08H
M1:     MOV     C,ACC.7
        MOV     sdi,C
        NOP
        NOP
        NOP
        NOP
        SETB     sclk
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        CLR     sclk
        NOP
        NOP
        NOP
        RL      A
        NOP
        NOP
        NOP
        NOP
        NOP
        NOP
        DJNZ    R4,M1

[1] [2]  下一页

本文关键字：程序  51单片机，单片机-工控设备 - 51单片机