bubble/attiny2313a_thermostat
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74hc595 transmit

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This commit is contained in:
Sergey Yarkov 2023-01-29 21:32:58 +03:00
parent 108f5dbdba
commit af37b72a24
No known key found for this signature in database
GPG Key ID: E91CE1FABC619B6F
3 changed files with 88 additions and 74 deletions
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39
firmware.asm
View File

@ -6,16 +6,17 @@
; Device Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/doc8246.pdf
; Package: SOIC-20W_7.5x12.8mm_P1.27mm
; Assembler: AVR macro assembler 2.2.7
; Clock frequency: 12 MHz External Crystal Oscillator
; Fuses: lfuse: 0x4F, hfuse: 0x9F, efuse: 0xFF, lock: 0xFF
; Clock frequency: 8 MHz External Crystal Oscillator
; Fuses: lfuse: 0xCF, hfuse: 0x9F, efuse: 0xFF, lock: 0xFF
;
; Written by Sergey Yarkov 22.01.2023
.INCLUDE "tn2313Adef.inc"
.LIST
.DEF tmp_r_a = r16
.DEF COUNTER = r20
.DEF TEMP_REG_A = r16
.DEF TEMP_REG_B = r17
.DEF COUNTER = r20
;========================================;
; LABELS ;
@ -63,8 +64,8 @@ RESET_vect:
;========================================;
; INITIALIZE STACK POINTER ;
;========================================;
ldi tmp_r_a, low(RAMEND)
out SPL, tmp_r_a
ldi TEMP_REG_A, low(RAMEND)
out SPL, TEMP_REG_A
MCU_INIT:
;=======================================================
@ -81,7 +82,7 @@ MCU_INIT:
;========================================;
rcall INIT_USI
ldi COUNTER, 0
ldi COUNTER, 0b00000001
rjmp LOOP
INIT_PORTS:
@ -99,10 +100,12 @@ ret
; SEND BYTE TO 74HC595 ;
;========================================;
TRANSMIT_595:
push r19
in r21, SREG
mov r19, COUNTER
ldi r16, 8
ldi TEMP_REG_B, 8
_TRANSMIT_595_LOOP:
;
; Shift a bit into the Carry flag and check if it is set to 1 or 0.
lsl r19
brcc _TRANSMIT_595_SEND_LOW
brcs _TRANSMIT_595_SEND_HIGH
@ -115,18 +118,21 @@ TRANSMIT_595:
cbi PORTB, DATA_PIN
_TRANSMIT_595_COMMIT:
sbi PORTB, CLOCK_PIN
cbi PORTB, CLOCK_PIN
sbi PORTB, LATCH_PIN
cbi PORTB, LATCH_PIN
dec r16
sbi PORTB, CLOCK_PIN
dec TEMP_REG_B
brne _TRANSMIT_595_LOOP
pop r19
;
; Copy data from shift register to storage register
sbi PORTB, LATCH_PIN
cbi PORTB, LATCH_PIN
out SREG, r21
ret
SUBPROGRAM_LED_SHIFTING:
rcall TRANSMIT_595
inc COUNTER
rol COUNTER
ret
;========================================;
@ -137,13 +143,14 @@ LOOP:
rcall TOGGLE_POWER_LED
rcall SUBPROGRAM_LED_SHIFTING
rcall DELAY
rcall DELAY
rjmp LOOP
DELAY:
push r16
push r17
cli
ldi r16, 20 ; 1
ldi r16, 255
_DELAY_1:
ldi r17, 255
_DELAY_2:

16
firmware.hex
View File

@ -1,10 +1,10 @@
:020000020000FC
:1000000000C00FED0DBF03D007D040E01AC000E4E0
:1000100001BB07E007BB089508953F93342F08E024
:10002000330F18F400F0C19A01C0C198C09AC0986B
:10003000C29AC2980A95A1F73F910895EEDF4395C1
:10004000089513D0FBDF01D0FCCF0F931F93F894DA
:1000500004E11FEF1A95000000000000D9F70A958F
:10006000C1F778941F910F91089500E412B31027FF
:0400700012BB089522
:1000000000C00FED0DBF03D007D041E01AC000E4DF
:1000100001BB07E007BB089508955FB7342F18E0D0
:10002000330F18F400F0C19A01C0C198C098C09A6B
:100030001A95B1F7C29AC2985FBF0895EEDF441FC8
:10004000089514D0FBDF02D001D0FBCF0F931F9394
:10005000F8940FEF1FEF1A95000000000000D9F789
:100060000A95C1F778941F910F91089500E412B397
:06007000102712BB0895E9
:00000001FF

107
firmware.lss
View File

@ -1,5 +1,5 @@
AVRASM ver. 2.2.7 firmware.asm Sat Jan 28 03:33:17 2023
AVRASM ver. 2.2.7 firmware.asm Sun Jan 29 21:32:32 2023
firmware.asm(14): Including file 'tn2313Adef.inc'
firmware.asm(14): Including file 'tn2313Adef.inc'
@ -12,8 +12,8 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
; Device Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/doc8246.pdf
; Package: SOIC-20W_7.5x12.8mm_P1.27mm
; Assembler: AVR macro assembler 2.2.7
; Clock frequency: 12 MHz External Crystal Oscillator
; Fuses: lfuse: 0x4F, hfuse: 0x9F, efuse: 0xFF, lock: 0xFF
; Clock frequency: 8 MHz External Crystal Oscillator
; Fuses: lfuse: 0xCF, hfuse: 0x9F, efuse: 0xFF, lock: 0xFF
;
; Written by Sergey Yarkov 22.01.2023
@ -718,8 +718,9 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
; ***** END OF FILE ******************************************************
.LIST
.DEF tmp_r_a = r16
.DEF COUNTER = r20
.DEF TEMP_REG_A = r16
.DEF TEMP_REG_B = r17
.DEF COUNTER = r20
;========================================;
; LABELS ;
@ -767,8 +768,8 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
;========================================;
; INITIALIZE STACK POINTER ;
;========================================;
000001 ed0f ldi tmp_r_a, low(RAMEND)
000002 bf0d out SPL, tmp_r_a
000001 ed0f ldi TEMP_REG_A, low(RAMEND)
000002 bf0d out SPL, TEMP_REG_A
MCU_INIT:
;=======================================================
@ -785,7 +786,7 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
;========================================;
000004 d007 rcall INIT_USI
000005 e040 ldi COUNTER, 0
000005 e041 ldi COUNTER, 0b00000001
000006 c01a rjmp LOOP
INIT_PORTS:
@ -803,10 +804,12 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
; SEND BYTE TO 74HC595 ;
;========================================;
TRANSMIT_595:
00000d 933f push r19
00000d b75f in r21, SREG
00000e 2f34 mov r19, COUNTER
00000f e008 ldi r16, 8
00000f e018 ldi TEMP_REG_B, 8
_TRANSMIT_595_LOOP:
;
; Shift a bit into the Carry flag and check if it is set to 1 or 0.
000010 0f33 lsl r19
000011 f418 brcc _TRANSMIT_595_SEND_LOW
000012 f000 brcs _TRANSMIT_595_SEND_HIGH
@ -819,18 +822,21 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
000015 98c1 cbi PORTB, DATA_PIN
_TRANSMIT_595_COMMIT:
000016 9ac0 sbi PORTB, CLOCK_PIN
000017 98c0 cbi PORTB, CLOCK_PIN
000018 9ac2 sbi PORTB, LATCH_PIN
000019 98c2 cbi PORTB, LATCH_PIN
00001a 950a dec r16
00001b f7a1 brne _TRANSMIT_595_LOOP
00001c 913f pop r19
000016 98c0 cbi PORTB, CLOCK_PIN
000017 9ac0 sbi PORTB, CLOCK_PIN
000018 951a dec TEMP_REG_B
000019 f7b1 brne _TRANSMIT_595_LOOP
;
; Copy data from shift register to storage register
00001a 9ac2 sbi PORTB, LATCH_PIN
00001b 98c2 cbi PORTB, LATCH_PIN
00001c bf5f out SREG, r21
00001d 9508 ret
SUBPROGRAM_LED_SHIFTING:
00001e dfee rcall TRANSMIT_595
00001f 9543 inc COUNTER
00001f 1f44 rol COUNTER
000020 9508 ret
;========================================;
@ -838,39 +844,40 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
;========================================;
LOOP:
000021 d013 rcall TOGGLE_POWER_LED
000021 d014 rcall TOGGLE_POWER_LED
000022 dffb rcall SUBPROGRAM_LED_SHIFTING
000023 d001 rcall DELAY
000024 cffc rjmp LOOP
000023 d002 rcall DELAY
000024 d001 rcall DELAY
000025 cffb rjmp LOOP
DELAY:
000025 930f push r16
000026 931f push r17
000027 94f8 cli
000028 e104 ldi r16, 20 ; 1
000026 930f push r16
000027 931f push r17
000028 94f8 cli
000029 ef0f ldi r16, 255
_DELAY_1:
000029 ef1f ldi r17, 255
00002a ef1f ldi r17, 255
_DELAY_2:
00002a 951a dec r17
00002b 0000 nop
00002c 0000 nop
00002d 0000 nop
00002e f7d9 brne _DELAY_2
00002b 951a dec r17
00002c 0000 nop
00002d 0000 nop
00002e 0000 nop
00002f f7d9 brne _DELAY_2
00002f 950a dec r16
000030 f7c1 brne _DELAY_1
000031 9478 sei
000030 950a dec r16
000031 f7c1 brne _DELAY_1
000032 9478 sei
000032 911f pop r17
000033 910f pop r16
000034 9508 ret
000033 911f pop r17
000034 910f pop r16
000035 9508 ret
TOGGLE_POWER_LED:
000035 e400 ldi r16, (1<<LED_POWER_PORT)
000036 b312 in r17, PORTD
000037 2710 eor r17, r16
000038 bb12 out PORTD, r17
000039 9508 ret
000036 e400 ldi r16, (1<<LED_POWER_PORT)
000037 b312 in r17, PORTD
000038 2710 eor r17, r16
000039 bb12 out PORTD, r17
00003a 9508 ret
;========================================;
@ -947,10 +954,10 @@ counted separately from r26..r31 here.
"ATtiny2313A" register use summary:
x : 0 y : 0 z : 0 r0 : 0 r1 : 0 r2 : 0 r3 : 0 r4 : 0
r5 : 0 r6 : 0 r7 : 0 r8 : 0 r9 : 0 r10: 0 r11: 0 r12: 0
r13: 0 r14: 0 r15: 0 r16: 14 r17: 7 r18: 0 r19: 4 r20: 3
r21: 0 r22: 0 r23: 0 r24: 0 r25: 0 r26: 0 r27: 0 r28: 0
r13: 0 r14: 0 r15: 0 r16: 12 r17: 9 r18: 0 r19: 2 r20: 3
r21: 2 r22: 0 r23: 0 r24: 0 r25: 0 r26: 0 r27: 0 r28: 0
r29: 0 r30: 0 r31: 0
Registers used: 4 out of 35 (11.4%)
Registers used: 5 out of 35 (14.3%)
"ATtiny2313A" instruction use summary:
.lds : 0 .sts : 0 adc : 0 add : 0 adiw : 0 and : 0
@ -961,11 +968,11 @@ brne : 3 brpl : 0 brsh : 0 brtc : 0 brts : 0 brvc : 0
brvs : 0 bset : 0 bst : 0 cbi : 3 cbr : 0 clc : 0
clh : 0 cli : 1 cln : 0 clr : 0 cls : 0 clt : 0
clv : 0 clz : 0 com : 0 cp : 0 cpc : 0 cpi : 0
cpse : 0 dec : 3 eor : 1 icall : 0 ijmp : 0 in : 1
inc : 1 ld : 0 ldd : 0 ldi : 8 lds : 0 lpm : 0
cpse : 0 dec : 3 eor : 1 icall : 0 ijmp : 0 in : 2
inc : 0 ld : 0 ldd : 0 ldi : 8 lds : 0 lpm : 0
lsl : 1 lsr : 0 mov : 1 movw : 0 neg : 0 nop : 3
or : 0 ori : 0 out : 4 pop : 3 push : 3 rcall : 6
ret : 6 reti : 0 rjmp : 4 rol : 0 ror : 0 sbc : 0
or : 0 ori : 0 out : 5 pop : 2 push : 2 rcall : 7
ret : 6 reti : 0 rjmp : 4 rol : 1 ror : 0 sbc : 0
sbci : 0 sbi : 3 sbic : 0 sbis : 0 sbiw : 0 sbr : 0
sbrc : 0 sbrs : 0 sec : 0 seh : 0 sei : 1 sen : 0
ser : 0 ses : 0 set : 0 sev : 0 sez : 0 sleep : 0
@ -976,7 +983,7 @@ Instructions used: 21 out of 105 (20.0%)
"ATtiny2313A" memory use summary [bytes]:
Segment Begin End Code Data Used Size Use%
---------------------------------------------------------------
[.cseg] 0x000000 0x000074 116 0 116 2048 5.7%
[.cseg] 0x000000 0x000076 118 0 118 2048 5.8%
[.dseg] 0x000060 0x000060 0 0 0 128 0.0%
[.eseg] 0x000000 0x000033 0 51 51 128 39.8%