main.lst

AVRM16 学习板--24C04

__start:
__text_start:
    0000 CFFF      RJMP	__start
    0001 E0D2      LDI	R29,2
    0002 BFCD      OUT	0x3D,R28
    0003 BFDE      OUT	0x3E,R29
    0004 51C0      SUBI	R28,0x10
    0005 40D0      SBCI	R29,0
    0006 EA0A      LDI	R16,0xAA
    0007 8308      STD	Y+0,R16
    0008 2400      CLR	R0
    0009 E6E0      LDI	R30,0x60
    000A E0F0      LDI	R31,0
    000B E010      LDI	R17,0
    000C 36E0      CPI	R30,0x60
    000D 07F1      CPC	R31,R17
    000E F011      BEQ	0x0011
    000F 9201      ST	R0,Z+
    0010 CFFB      RJMP	0x000C
    0011 C023      RJMP	_twi_isr
    0012 E0E0      LDI	R30,0
    0013 E0F0      LDI	R31,0
    0014 E6A0      LDI	R26,0x60
    0015 E0B0      LDI	R27,0
    0016 E010      LDI	R17,0
    0017 30E0      CPI	R30,0
    0018 07F1      CPC	R31,R17
    0019 F021      BEQ	0x001E
    001A 95C8      LPM
    001B 9631      ADIW	R30,1
    001C 920D      ST	R0,X+
    001D CFF9      RJMP	0x0017
    001E D020      RCALL	_main
_exit:
    001F CFFF      RJMP	_exit
FILE: F:\工程文件\程序\学习板例程\24C04\main.c
(0001) //ICC-AVR application builder : 2006-11-30 20:32:45
(0002) // Target : M16
(0003) // Crystal: 6.0000Mhz
(0004) //designed by solo 2006,11,30
(0005) //I2C test
(0006) 
(0007) #include <iom16v.h>
(0008) #include <macros.h>
(0009) 
(0010) void port_init(void)
(0011) {
(0012)  PORTA = 0xFF;
_port_init:
    0020 EF8F      LDI	R24,0xFF
    0021 BB8B      OUT	0x1B,R24
(0013)  DDRA  = 0xFF;
    0022 BB8A      OUT	0x1A,R24
(0014)  PORTB = 0xFF;
    0023 BB88      OUT	0x18,R24
(0015)  DDRB  = 0xFF;
    0024 BB87      OUT	0x17,R24
(0016)  PORTC = 0xFF; //m103 output only
    0025 BB85      OUT	0x15,R24
(0017)  DDRC  = 0xFF;
    0026 BB84      OUT	0x14,R24
(0018)  PORTD = 0xFF;
    0027 BB82      OUT	0x12,R24
(0019)  DDRD  = 0xFF;
    0028 BB81      OUT	0x11,R24
(0020) }
    0029 9508      RET
(0021) 
(0022) //TWI initialisation
(0023) // bit rate:8
(0024) void twi_init(void)
(0025) {
(0026)  TWCR= 0X00; //disable twi
_twi_init:
    002A 2422      CLR	R2
    002B BE26      OUT	0x36,R2
(0027)  TWBR= 0x08; //set bit rate
    002C E088      LDI	R24,0x8
    002D B980      OUT	0x00,R24
(0028)  TWSR= 0x01; //set prescale
    002E E081      LDI	R24,1
    002F B981      OUT	0x01,R24
(0029)  TWAR= 0x03; //set slave address
    0030 E083      LDI	R24,3
    0031 B982      OUT	0x02,R24
(0030)  TWCR= 0x45; //enable twi
    0032 E485      LDI	R24,0x45
    0033 BF86      OUT	0x36,R24
(0031) }
    0034 9508      RET
(0032) 
(0033) #pragma interrupt_handler twi_isr:18
(0034) void twi_isr(void)
(0035) {
(0036)  //twi event
(0037) }
_twi_isr:
    0035 9518      RETI
(0038) 
(0039) //call this routine to initialise all peripherals
(0040) void init_devices(void)
(0041) {
(0042)  //stop errant interrupts until set up
(0043)  CLI(); //disable all interrupts
_init_devices:
    0036 94F8      BCLR	7
(0044)  port_init();
    0037 DFE8      RCALL	_port_init
(0045)  twi_init();
    0038 DFF1      RCALL	_twi_init
(0046) 
(0047)  MCUCR = 0x00;
    0039 2422      CLR	R2
    003A BE25      OUT	0x35,R2
(0048)  GICR  = 0x00;
    003B BE2B      OUT	0x3B,R2
(0049)  TIMSK = 0x00; //timer interrupt sources
    003C BE29      OUT	0x39,R2
(0050)  SEI(); //re-enable interrupts
    003D 9478      BSET	7
(0051)  //all peripherals are now initialised
(0052) }
    003E 9508      RET
(0053) 
(0054) //
(0055) void main(void)
(0056) {
(0057)  init_devices();
(0058)  //insert your functional code here...
(0059) }
FILE: <library>
_main:
    003F CFF6      RJMP	_init_devices