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tiny10_LCD_AD.asm
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tiny10_LCD_AD.asm
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;
; 20160618_tiny10_I2C_voltage.asm
;
; Created: 6/18/2016 10:28:45 AM
; Author : kodera2t
;
.def data = R16
.def cnt = R17
.def cnt2 = R18
.def long_count = R19
.def free3 = R20
.def temp1 = R21
.def temp2 = R22
.def temp3 = R23
.def free1 = R24
.def free2 = R25
.equ count_start = 0x02
.equ count_end = 0x01
.equ subnum = 0x01
.equ SUB_COUNT = 0x02
.equ one_v = 0b00110011
.equ two_v = 0b01100110
.equ thr_v = 0b10011001
.equ for_v = 0b11001100
.equ p_one = 0b101
.equ p_two = 0b1010
.equ p_three = 0b1111
.equ p_four= 0b10100
.equ p_five = 0b11001
.equ p_six = 0b11110
.equ p_seven = 0b100011
.equ p_eight = 0b101000
.equ p_nine = 0b101101
.equ long_delay =0xFF
; PB0: SDA, PB1: SCL, PB2:A/D input
setup:
; ldi temp1,0
; out CLKPSR,temp1
; PB0 and PB1 are out, don't care receiving.
ldi temp1, 0b011
out DDRB, temp1
; as a initial, SDA and SCL are high
ldi temp1, 0b11
out PORTB, temp1
; starting A/D converter, free running mode
ldi temp1, ((1<<ADEN)+(1<<ADSC)+(1<<ADATE)+(1<<ADIE)+(0<<ADIF)+(1<<ADPS2)+(0<<ADPS1)+(1<<ADPS2))
out ADCSRA,temp1
ldi temp1, 0x00
out ADCSRB, temp1
; selecting PB2 for A/D input
ldi temp1, (1<<MUX1)+(0<<MUX0)
out ADMUX,temp1
ldi temp1, 1<<ADC2D
out DIDR0, temp1
rcall lcd_init; LCD initialize
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall longdelay
rcall init_for_disp
mainloop:
rcall longdelay
; reading A/D result in free1
in free1,ADCL
mov free2, free1
ldi free3, 0x00
; first digit determination
cpi free1, for_v
brsh fourvol
cpi free1, thr_v
brsh threevol
cpi free1, two_v
brsh twovol
cpi free1, one_v
brsh onevol
rjmp zerovol
fourvol:
ldi free2, 4
subi free1, for_v
rjmp done
threevol:
ldi free2, 3
subi free1, thr_v
rjmp done
twovol:
ldi free2, 2
subi free1, two_v
rjmp done
onevol:
ldi free2, 1
subi free1, one_v
rjmp done
zerovol:
ldi free2, 0
done:
;first digit display
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0010; second line,
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
mov temp1, free2
ori temp1, 0b00110000
mov data,temp1
rcall writedata
rcall ends
; second digit check
cpi free1, p_nine
brsh nine
cpi free1, p_eight
brsh eight
cpi free1, p_seven
brsh seven
cpi free1, p_six
brsh six
cpi free1, p_five
brsh five
cpi free1, p_four
brsh four
cpi free1, p_three
brsh three
cpi free1, p_two
brsh two
cpi free1, p_one
brsh one
rjmp zero
nine:
ldi free2, 9
rjmp done2
eight:
ldi free2, 8
rjmp done2
seven:
ldi free2, 7
rjmp done2
six:
ldi free2, 6
rjmp done2
five:
ldi free2, 5
rjmp done2
four:
ldi free2, 4
rjmp done2
three:
ldi free2, 3
rjmp done2
two:
ldi free2, 2
rjmp done2
one:
ldi free2, 1
rjmp done2
zero:
ldi free2, 0
done2:
; second digit
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0100; second line,
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
mov temp1, free2
ori temp1, 0b00110000
mov data,temp1
rcall writedata
rcall ends
rjmp mainloop
delay: ; subroutine DELAY
ldi temp1, SUB_COUNT
SUB_COUNT1:
ldi temp2, COUNT_END
ldi temp3, COUNT_START
COUNTER:
dec temp3
cpse temp3, temp2
rjmp COUNTER
dec temp1
cpse temp1, temp2
rjmp SUB_COUNT1
ret
start:
ldi temp1, 0b10
out PORTB, temp1
rcall delay
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ret
;cl, da
ends:
ldi temp1,0b10
out PORTB, temp1
rcall delay
ldi temp1,0b11
out PORTB, temp1
rcall delay
ret
init:
ldi temp1, 0b11
out PORTB, temp1
rcall delay
ret
;cl da
bit_high:
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ldi temp1, 0b01
out PORTB, temp1
rcall delay
ldi temp1, 0b11
out PORTB, temp1
rcall delay
ldi temp1, 0b01
out PORTB, temp1
rcall delay
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ret
;cl=1 da=0
bit_low:
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ldi temp1, 0b10
out PORTB, temp1
rcall delay
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ldi temp1, 0b00
out PORTB, temp1
rcall delay
ret
;cl da
; writing data is stored in data
writedata:
ldi cnt,0x00
ldi cnt2,0xF
rep:
mov temp2, data
andi temp2,0b10000000
cpi temp2, 0b10000000
breq highbit
rcall bit_low
rjmp sendend
highbit:
rcall bit_high
sendend:
lsl data
inc cnt
cpi cnt,8
brne rep
ldi temp1, 0b11
out PORTB, temp1
small_loop:
dec cnt2
rcall delay
cpi cnt2,0x00
brne small_loop
ret
lcd_init:
rcall init
rcall start
ldi data,0x7C
rcall writedata
ldi data,0b1000_0000
rcall writedata
ldi data,0x38
rcall writedata
ldi data,0b0000_0000
rcall writedata
ldi data,0x39
rcall writedata
rcall ends
rcall start
ldi data,0x7C
rcall writedata
ldi data,0b1000_0000
rcall writedata
ldi data,0x14
rcall writedata
ldi data,0b0000_0000
rcall writedata
ldi data,0x73
rcall writedata
rcall ends
rcall start
ldi data,0x7C
rcall writedata
ldi data,0b1000_0000
rcall writedata
ldi data,0x55
rcall writedata
ldi data,0b1000_0000
rcall writedata
ldi data,0x6c
rcall writedata
ldi data,0b1000_0000;cont
rcall writedata
ldi data,0x38
rcall writedata
ldi data,0b1000_0000;cont
rcall writedata
ldi data,0x0c
rcall writedata
ldi data,0b1000_0000;cont
rcall writedata
ldi data,0x01
rcall writedata
ldi data,0b1000_0000;cont command
rcall writedata
ldi data,0b1000_0000;address 0x00
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0100_1000; H
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_0101; e
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1100; l
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1100; l
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1111; o
rcall writedata
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0000; second line
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0100_0001; A
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0101_0100; t
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0111_0100; t
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1001; i
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1110; n
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0111_1001; y
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0011_0001; 1
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0011_0000; 0
rcall writedata
rcall ends
ret
longdelay:
ldi long_count,long_delay
localloop:
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
rcall delay
dec long_count
cpi long_count,0x00
brne localloop
ret
init_for_disp:
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0111; second line,last digit
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
;mov temp1, free3
;ori temp1, 0b00110000
ldi data, 0b01010110 ;V
;mov data,temp1
rcall writedata
rcall ends
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0011; second line,last digit
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
;mov temp1, free3
;ori temp1, 0b00110000
ldi data, 0b00101110 ; dot (.)
;mov data,temp1
rcall writedata
rcall ends
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0110; second line,
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
mov temp1, free2
ori temp1, 0b00100000 ;space
mov data,temp1
rcall writedata
rcall ends
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0001; second line,
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
mov temp1, free2
ori temp1, 0b00100000 ;space
mov data,temp1
rcall writedata
rcall ends
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0000; second line,
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
mov temp1, free2
ori temp1, 0b00100000 ;space
mov data,temp1
rcall writedata
rcall ends
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1100_0101; second line,
rcall writedata
ldi data,0b1100_0000; cont data
rcall writedata
ldi temp1, 0x0
ori temp1, 0b00110000
mov data,temp1
rcall writedata
rcall ends
rcall init
rcall start
ldi data,0x7C
ldi data,0b1000_0000; cont command
rcall writedata
ldi data,0b1000_0000; first line
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0101_0110; V
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1111; o
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_1100; l
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0111_0100; t
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_0001; a
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_0111; g
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0110_0101; e
rcall writedata
ldi data,0b1100_0000;cont data
rcall writedata
ldi data,0b0011_1010; :
rcall writedata
rcall ends
ret