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attiny2313a_thermostat/firmware.lst
sergeyyarkov 108f5dbdba
shift register
2023-01-28 03:36:06 +03:00

235 lines
10 KiB
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gavrasm Gerd's AVR assembler version 5.4 (C)2022 by DG4FAC
----------------------------------------------------------
Path: /home/sergeyyarkov/Documents/Applications/attiny2313a_thermostat/
Source file: firmware.asm
Hex file: firmware.hex
Eeprom file: firmware.eep
Compiled: 28.01.2023, 02:47:03
Pass: 2
1: ;
2: ; Project name: thermostat
3: ; Description: Electronic thermostat on AVR Microcontroller
4: ; Source code: https://github.com/sergeyyarkov/attiny2313a_thermostat
5: ; Device: ATtiny2313A
6: ; Device Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/doc8246.pdf
7: ; Package: SOIC-20W_7.5x12.8mm_P1.27mm
8: ; Assembler: AVR macro assembler 2.2.7
9: ; Clock frequency: 12 MHz External Crystal Oscillator
10: ; Fuses: lfuse: 0x4F, hfuse: 0x9F, efuse: 0xFF, lock: 0xFF
11: ;
12: ; Written by Sergey Yarkov 22.01.2023
13:
14: .INCLUDE "tn2313Adef.inc"
-> Warning 009: Include defs not necessary, using internal values!
File: /home/sergeyyarkov/Documents/Applications/attiny2313a_thermostat/firmware.asm, Line: 14
Source line: .INCLUDE "tn2313Adef.inc"
15: .LIST
16:
17: .DEF tmp_r_a = r16
18: .DEF COUNTER = r20
19:
20: ;========================================;
21: ; LABELS ;
22: ;========================================;
23:
24: .EQU LED_POWER_PORT = PD6
25: .EQU CLOCK_PIN = PB0 ; ST_CP on 74HC595
26: .EQU LATCH_PIN = PB1 ; SH_CP on 74HC595
27: .EQU DATA_PIN = PB2 ; DS on 74HC595
28:
29: ;========================================;
30: ; CODE SEGMENT ;
31: ;========================================;
32:
33: .CSEG
34: .ORG 0x00
35:
36: ;========================================;
37: ; VECTORS ;
38: ;========================================;
39:
40: 000000 C000 rjmp RESET_vect ; Program start at RESET vector
41: ;reti ; External Interrupt Request 0 / inactive
42: ;reti ; External Interrupt Request 1 / inactive
43: ;reti ; Timer/Counter1 Capture Event / inactive
44: ;reti ; Timer/Counter1 Compare Match A / inactive
45: ;reti ; Timer/Counter1 Overflow / inactive
46: ;reti ; Timer/Counter0 Overflow / inactive
47: ;reti ; USART0, Rx Complete / inactive
48: ;reti ; USART0 Data Register Empty / inactive
49: ;reti ; USART0, Tx Complete / inactive
50: ;reti ; Analog Comparator / inactive
51: ;reti ; Pin Change Interrupt Request 0/ inactive
52: ;reti ; Timer/Counter1 Compare Match B / inactive
53: ;reti ; Timer/Counter0 Compare Match A / inactive
54: ;reti ; Timer/Counter0 Compare Match B / inactive
55: ;reti ; USI Start Condition/ inactive
56: ;reti ; USI Overflow / inactive
57: ;reti ; EEPROM Ready/ inactive
58: ;reti ; Watchdog Timer Overflow / inactive
59: ;reti ; Pin Change Interrupt Request 1 / inactive
60: ;reti ; Pin Change Interrupt Request 2 / inactive
61:
62: RESET_vect:
63: ;========================================;
64: ; INITIALIZE STACK POINTER ;
65: ;========================================;
66: 000001 ED0F ldi tmp_r_a, low(RAMEND)
67: 000002 BF0D out SPL, tmp_r_a
68:
69: MCU_INIT:
70: ;=======================================================
71: ; POWER LED <------------> PD6 ;
72: ; - This LED is used to indicate that device ;
73: ; is working correctly ;
74: ; ;
75: ;=======================================================
76: 000003 D002 rcall INIT_PORTS
77:
78: ;========================================;
79: ; USI IS USED TO COMMUNICATE ;
80: ; WITH SHIFT REGISTER (74HC595N) ;
81: ;========================================;
82: 000004 D006 rcall INIT_USI
83:
84: 000005 C01D rjmp LOOP
85:
86: INIT_PORTS:
87: 000006 E400 ldi r16, (1<<LED_POWER_PORT)
88: 000007 BB01 out DDRD, r16
89: 000008 E007 ldi r16, (1<<CLOCK_PIN) | (1<<LATCH_PIN) | (1<<DATA_PIN)
90: 000009 BB07 out DDRB, r16
91: 00000A 9508 ret
92:
93: INIT_USI:
94:
95: 00000B 9508 ret
96:
97: CLOCK_595:
98: 00000C 930F push r16
99: 00000D E001 ldi r16, (1<<CLOCK_PIN)
100: 00000E B318 in r17, PORTB
101: 00000F 2710 eor r17, r16
102: 000010 BB18 out PORTB, r17
103: 000011 910F pop r16
104: 000012 9508 ret
105:
106: TRANSMIT_595:
107: 000013 933F push r19
108: 000014 E23A ldi r19, 0b00101010 ; Data to transmit
109: 000015 E008 ldi r16, 8
110: _TRANSMIT_595_LOOP:
111: 000016 0F33 lsl r19
112: 000017 F410 brcc _TRANSMIT_595_SEND_LOW
113: 000018 F000 brcs _TRANSMIT_595_SEND_HIGH
114:
115: _TRANSMIT_595_SEND_HIGH:
116: 000019 C000 rjmp _TRANSMIT_595_PROCEED
117:
118:
119: _TRANSMIT_595_SEND_LOW:
120:
121: _TRANSMIT_595_PROCEED:
122: 00001A DFF1 rcall CLOCK_595
123: 00001B DFF0 rcall CLOCK_595
124: 00001C 950A dec r16
125: 00001D F7C1 brne _TRANSMIT_595_LOOP
126: 00001E 913F pop r19
127: 00001F 9508 ret
128:
129: SUBPROGRAM_LED_SHIFTING:
130: 000020 9543 inc COUNTER
131: 000021 DFF1 rcall TRANSMIT_595
132: 000022 9508 ret
133:
134: ;========================================;
135: ; MAIN PROGRAM LOOP ;
136: ;========================================;
137:
138: LOOP:
139: 000023 D00F rcall TOGGLE_POWER_LED
140: 000024 DFFB rcall SUBPROGRAM_LED_SHIFTING
141: 000025 D001 rcall DELAY
142: 000026 CFFC rjmp LOOP
143:
144: DELAY:
145: 000027 94F8 cli
146: 000028 E00A ldi r16, 10 ; 1
147: _DELAY_1:
148: 000029 EF1F ldi r17, 255 ; 1
149: _DELAY_2:
150: 00002A 951A dec r17 ; 1
151: 00002B 0000 nop ; 1
152: 00002C 0000 nop ; 1
153: 00002D 0000 nop ; 1
154: 00002E F7D9 brne _DELAY_2 ; 2/1
155:
156: 00002F 950A dec r16
157: 000030 F7C1 brne _DELAY_1 ; 2/1
158: 000031 9478 sei
159: 000032 9508 ret ; 4
160:
161: TOGGLE_POWER_LED:
162: 000033 E400 ldi r16, (1<<LED_POWER_PORT)
163: 000034 B312 in r17, PORTD
164: 000035 2710 eor r17, r16
165: 000036 BB12 out PORTD, r17
166: 000037 9508 ret
167:
168:
169: ;========================================;
170: ; EEPROM SEGMENT ;
171: ;========================================;
172:
173: .ESEG
174: INFO: .DB "AVR Thermostat. Written by Sergey Yarkov 22.01.2023"
000000 41 56 52 20 54 48 45 52
000008 4D 4F 53 54 41 54 2E 20
000010 57 52 49 54 54 45 4E 20
000018 42 59 20 53 45 52 47 45
000020 59 20 59 41 52 4B 4F 56
000028 20 32 32 2E 30 31 2E 32
000030 30 32 33
List of symbols:
Type nDef nUsed Decimalval Hexval Name
T 1 1 89 59 ATTINY2313A
L 1 2 1 01 RESET_VECT
L 1 0 3 03 MCU_INIT
L 1 2 6 06 INIT_PORTS
L 1 2 11 0B INIT_USI
L 1 4 12 0C CLOCK_595
L 1 2 19 13 TRANSMIT_595
L 1 2 22 16 _TRANSMIT_595_LOOP
L 1 2 25 19 _TRANSMIT_595_SEND_HIGH
L 1 2 26 1A _TRANSMIT_595_SEND_LOW
L 1 2 26 1A _TRANSMIT_595_PROCEED
L 1 2 32 20 SUBPROGRAM_LED_SHIFTING
L 1 4 35 23 LOOP
L 1 2 39 27 DELAY
L 1 2 41 29 _DELAY_1
L 1 2 42 2A _DELAY_2
L 1 2 51 33 TOGGLE_POWER_LED
L 1 0 0 00 INFO
R 1 2 16 10 TMP_R_A
R 1 1 20 14 COUNTER
C 1 0 23 17 NOW_Y
C 1 0 1 01 NOW_M
C 1 0 28 1C NOW_D
C 1 0 44954 AF9A NOW_I
C 1 2 6 06 LED_POWER_PORT
C 1 2 0 00 CLOCK_PIN
C 1 1 1 01 LATCH_PIN
C 1 1 2 02 DATA_PIN
No macros.
Program : 56 words.
Constants : 0 words.
Total program memory: 56 words.
Eeprom space : 51 bytes.
Data segment : 0 bytes.
Compilation completed, no errors.
Compilation ended 28.01.2023, 02:47:03
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