SOFTWARE LISTING
;NitroWater 2.0 24Jan03
;--------------
;
;Water Level Reference Design
;****************************
; - uses 908QT4 (MC68HC908QT4) and MPAK (MPXM2010GS)
; CALIB: 2-point pressure calibration (0mm and 160mm)
; LEVEL: displays water level, flow, and graphics
; UNITS: allows user to select between cm and inches
;
;__________________________________________________________
ram equ $0080 ;memory pointers
rom equ $EE00
vectors equ $FFDE
;__________________________________________________________
porta equ $00 ;registers
ddra equ $04
config2 equ $1E
config1 equ $1F
tsc equ $20
tmodh equ $23
icgcr equ $36
adscr equ $3C
adr equ $3E
adiclk equ $3F
flcr equ $FE08
flbpr equ $FFBE
;__________________________________________________________
org $FD00 ;flash variables
N1 db $96 ;1st calibration pt. = 0mm
org $FD40
N2 db $F6 ;2nd calibration pt. = 160mm
org $FD80
;__________________________________________________________
org vectors
dw cold ;ADC
dw cold ;Keyboard
dw cold ;not used
dw cold ;not used
dw cold ;not used
dw cold ;not used
dw cold ;not used
dw cold ;not used
dw cold ;not used
dw cold ;not used
dw cold ;TIM Overflow
dw cold ;TIM Channel 1
dw cold ;TIM Channel 0
dw cold ;not used
dw cold ;IRQ
dw cold ;SWI
dw cold ;RESET ($FFFE)
;__________________________________________________________
org ram
BB ds 1 ;variables
flshadr ds 2
flshbyt ds 1
memSP ds 2
mem03 ds 2
AN1950
Sensors
Freescale Semiconductor
7
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