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