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attiny2313a_thermostat/firmware.lst
sergeyyarkov 2855e84b11
display digits
2023-02-25 23:38:49 +03:00

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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: 25.02.2023, 10:41:03
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: 8 MHz External Crystal Oscillator
10: ; Fuses: lfuse: 0xCF, 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 TEMP_REG_A = r16
18: .DEF TEMP_REG_B = r17
19:
20: ;========================================;
21: ; LABELS ;
22: ;========================================;
23:
24: .EQU DISPLAY_1_PIN = PD2
25: .EQU DISPLAY_2_PIN = PD3
26: .EQU DISPLAY_3_PIN = PD4
27: .EQU DISPLAY_4_PIN = PD5
28:
29: .EQU LED_POWER_PIN = PD6
30:
31: .EQU USI_LATCH_PIN = PB0 ; ST_CP on 74HC595
32: .EQU USI_DO_PIN = PB6 ; DS on 74HC595
33: .EQU USI_CLK_PIN = PB7 ; SH_CP on 74HC595
34:
35: ;========================================;
36: ; DATA SEGMENT ;
37: ;========================================;
38: .DSEG
39: .ORG SRAM_START
40:
41: DISPLAY_DIGIT: .BYTE 4
42:
43: ;========================================;
44: ; CODE SEGMENT ;
45: ;========================================;
46:
47: .CSEG
48: .ORG 0x00
49:
50: ;========================================;
51: ; VECTORS ;
52: ;========================================;
53:
54: 000000 C000 rjmp RESET_vect ; Program start at RESET vector
55: ;reti ; External Interrupt Request 0 / inactive
56: ;reti ; External Interrupt Request 1 / inactive
57: ;reti ; Timer/Counter1 Capture Event / inactive
58: ;reti ; Timer/Counter1 Compare Match A / inactive
59: ;reti ; Timer/Counter1 Overflow / inactive
60: ;reti ; Timer/Counter0 Overflow / inactive
61: ;reti ; USART0, Rx Complete / inactive
62: ;reti ; USART0 Data Register Empty / inactive
63: ;reti ; USART0, Tx Complete / inactive
64: ;reti ; Analog Comparator / inactive
65: ;reti ; Pin Change Interrupt Request 0/ inactive
66: ;reti ; Timer/Counter1 Compare Match B / inactive
67: ;reti ; Timer/Counter0 Compare Match A / inactive
68: ;reti ; Timer/Counter0 Compare Match B / inactive
69: ;reti ; USI Start Condition/ inactive
70: ;reti ; USI Overflow / inactive
71: ;reti ; EEPROM Ready/ inactive
72: ;reti ; Watchdog Timer Overflow / inactive
73: ;reti ; Pin Change Interrupt Request 1 / inactive
74: ;reti ; Pin Change Interrupt Request 2 / inactive
75:
76: RESET_vect:
77: ;========================================;
78: ; INITIALIZE STACK POINTER ;
79: ;========================================;
80: 000001 ED0F ldi TEMP_REG_A, LOW(RAMEND)
81: 000002 BF0D out SPL, TEMP_REG_A
82:
83: MCU_INIT:
84: ;=======================================================;
85: ; INITIALIZE PORTS ;
86: ; ;
87: ; POWER LED <-------------> OUT PD6 ;
88: ; - This LED is used to indicate that device ;
89: ; is working correctly ;
90: ; 7SEG DIGIT 1 <-------------> OUT PD2 ;
91: ; 7SEG DIGIT 2 <-------------> OUT PD3 ;
92: ; 7SEG DIGIT 3 <-------------> OUT PD4 ;
93: ; 7SEG DIGIT 4 <-------------> OUT PD5 ;
94: ; ;
95: ; USI CLOCK PIN <-------------> OUT PB0 ;
96: ; USI DATA OUT PIN <-------------> OUT PB6 ;
97: ; USI LATCH PIN <-------------> OUT PB7 ;
98: ;=======================================================;
99: 000003 E70C ldi r16, (1<<LED_POWER_PIN) | (1<<DISPLAY_1_PIN) | (1<<DISPLAY_2_PIN) | (1<<DISPLAY_3_PIN) | (1<<DISPLAY_4_PIN)
100: 000004 BB01 out DDRD, r16
101: 000005 EC01 ldi r16, (1<<USI_CLK_PIN) | (1<<USI_DO_PIN) | (1<<USI_LATCH_PIN)
102: 000006 BB07 out DDRB, r16
103: 000007 9A92 sbi PORTD, PD2
104: 000008 9A93 sbi PORTD, PD3
105: 000009 9A94 sbi PORTD, PD4
106: 00000A 9A95 sbi PORTD, PD5
107:
108: 00000B E004 ldi TEMP_REG_A, 4
109: 00000C 9300 sts DISPLAY_DIGIT, TEMP_REG_A
00000D 0060
110:
111: 00000E E003 ldi TEMP_REG_A, 3
112: 00000F 9300 sts DISPLAY_DIGIT+1, TEMP_REG_A
000010 0061
113:
114: 000011 E002 ldi TEMP_REG_A, 2
115: 000012 9300 sts DISPLAY_DIGIT+2, TEMP_REG_A
000013 0062
116:
117: 000014 E001 ldi TEMP_REG_A, 1
118: 000015 9300 sts DISPLAY_DIGIT+3, TEMP_REG_A
000016 0063
119:
120: 000017 2411 clr r1
121: 000018 E9E6 ldi ZL,LOW(2*DISPLAY_SYMBOLS)
122: 000019 E0F0 ldi ZH,HIGH(2*DISPLAY_SYMBOLS)
123:
124: 00001A C00A rjmp LOOP
125:
126: ;=START================================================================================================;
127: ; Transmit byte into 74HC595 using USI
128: ;======================================================================================================;
129: USI_TRANSMIT:
130: 00001B B80F out USIDR, r0 ; Move byte from temp register to USI Data Register
131:
132: ; Enable USI Overflow Interrupt Flag (will be 0 if transfer is not compeleted)
133: 00001C E400 ldi TEMP_REG_A, (1<<USIOIF)
134: 00001D B90E out USISR, TEMP_REG_A
135:
136: ; Load settings of USI into temp register
137: ; This will setup USI to Three-wire mode, Software clock strobe (USITC)
138: ; with External, positive edge and toggle USCK
139: ;
140: ; USIWM0 <--------------> USI Wire Mode
141: ; USICS1 <--------------> USI Clock Source Select
142: ; USICLK <--------------> USI Clock Strobe
143: ; USITC <--------------> USI Toggle Clock (Enable clock generation)
144: 00001E E10B ldi TEMP_REG_A, (1<<USIWM0) | (1<<USICS1) | (1<<USICLK) | (1<<USITC)
145:
146: _USI_TRANSMIT_LOOP: ; Execute loop when USIOIF is 0
147: 00001F B90D out USICR, TEMP_REG_A ; Load settings from temp register into USI Control Register
148: 000020 9B76 sbis USISR, USIOIF ; If transfer is comleted then move out of loop
149: 000021 CFFD rjmp _USI_TRANSMIT_LOOP
150:
151: ; Send pulse into LATCH pin.
152: ; This will copy byte from 74hc595 shift register into 74hc595 storage register
153: 000022 9AC0 sbi PORTB, USI_LATCH_PIN
154: 000023 98C0 cbi PORTB, USI_LATCH_PIN
155: 000024 9508 ret
156: ;=END==================================================================================================;
157:
158: ; .MACRO DISPLAY_SEND
159: ; ldi TEMP_REG_A, @0
160: ; mov r0, TEMP_REG_A
161: ; rcall USI_TRANSMIT
162: ; .ENDMACRO
163:
164: ;========================================;
165: ; MAIN PROGRAM LOOP ;
166: ;========================================;
167:
168: LOOP:
169: 000025 D020 rcall TOGGLE_POWER_LED
170:
171: 000026 E01A ldi TEMP_REG_B, 10
172: 000027 1611 cp r1, TEMP_REG_B
173: 000028 F40C brge RESET_POINTER
174: 000029 C003 rjmp DISPLAY_SEND
175:
176: RESET_POINTER:
177: 00002A 2411 clr r1
178: 00002B E9E6 ldi ZL,LOW(2*DISPLAY_SYMBOLS)
179: 00002C E0F0 ldi ZH,HIGH(2*DISPLAY_SYMBOLS)
180:
181: DISPLAY_SEND:
182: 00002D 9005 lpm r0, Z+
183: 00002E 9413 inc r1
184: 00002F DFEB rcall USI_TRANSMIT
185:
186: 000030 D005 rcall DELAY
187: 000031 D004 rcall DELAY
188: 000032 D003 rcall DELAY
189: 000033 D002 rcall DELAY
190: 000034 D001 rcall DELAY
191:
192: 000035 CFEF rjmp LOOP
193:
194: DELAY:
195: 000036 930F push r16
196: 000037 931F push r17
197: 000038 94F8 cli
198: 000039 EF0F ldi r16, 255
199: _DELAY_1:
200: 00003A EF1F ldi r17, 255
201: _DELAY_2:
202: 00003B 951A dec r17
203: 00003C 0000 nop
204: 00003D 0000 nop
205: 00003E 0000 nop
206: 00003F F7D9 brne _DELAY_2
207:
208: 000040 950A dec r16
209: 000041 F7C1 brne _DELAY_1
210: 000042 9478 sei
211:
212: 000043 911F pop r17
213: 000044 910F pop r16
214: 000045 9508 ret
215:
216: TOGGLE_POWER_LED:
217: 000046 E400 ldi r16, (1<<LED_POWER_PIN)
218: 000047 B312 in r17, PORTD
219: 000048 2710 eor r17, r16
220: 000049 BB12 out PORTD, r17
221: 00004A 9508 ret
222:
223: DISPLAY_SYMBOLS:
224: ; HGFEDCBA HGFEDCBA
225: .DB 0b11000000, 0b11111001 ; 0, 1
00004B F9C0
226: .DB 0b10100100, 0b10110000 ; 2, 3
00004C B0A4
227: .DB 0b10011001, 0b10010010 ; 4, 5
00004D 9299
228: .DB 0b10000010, 0b11111000 ; 6, 7
00004E F882
229: .DB 0b10000000, 0b10010000 ; 8, 9
00004F 9080
230:
231: ;========================================;
232: ; EEPROM SEGMENT ;
233: ;========================================;
234:
235: .ESEG
236: 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 4 96 60 DISPLAY_DIGIT
L 1 2 1 01 RESET_VECT
L 1 0 3 03 MCU_INIT
L 1 2 27 1B USI_TRANSMIT
L 1 2 31 1F _USI_TRANSMIT_LOOP
L 1 4 37 25 LOOP
L 1 2 42 2A RESET_POINTER
L 1 2 45 2D DISPLAY_SEND
L 1 10 54 36 DELAY
L 1 2 58 3A _DELAY_1
L 1 2 59 3B _DELAY_2
L 1 2 70 46 TOGGLE_POWER_LED
L 1 4 75 4B DISPLAY_SYMBOLS
L 1 0 0 00 INFO
R 1 14 16 10 TEMP_REG_A
R 1 2 17 11 TEMP_REG_B
C 1 0 23 17 NOW_Y
C 1 0 2 02 NOW_M
C 1 0 25 19 NOW_D
C 1 0 44982 AFB6 NOW_I
C 1 1 2 02 DISPLAY_1_PIN
C 1 1 3 03 DISPLAY_2_PIN
C 1 1 4 04 DISPLAY_3_PIN
C 1 1 5 05 DISPLAY_4_PIN
C 1 2 6 06 LED_POWER_PIN
C 1 3 0 00 USI_LATCH_PIN
C 1 1 6 06 USI_DO_PIN
C 1 1 7 07 USI_CLK_PIN
No macros.
Program : 75 words.
Constants : 5 words.
Total program memory: 80 words.
Eeprom space : 51 bytes.
Data segment : 4 bytes.
Compilation completed, no errors.
Compilation ended 25.02.2023, 10:41:03
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