test.lst

是一款开发板的外围电路试验程序(附有原理图)

__start:
__text_start:
    002B E5CF      LDI	R28,0x5F
    002C E0D4      LDI	R29,4
    002D BFCD      OUT	0x3D,R28
    002E BFDE      OUT	0x3E,R29
    002F 51C0      SUBI	R28,0x10
    0030 40D0      SBCI	R29,0
    0031 EA0A      LDI	R16,0xAA
    0032 8308      STD	Y+0,R16
    0033 2400      CLR	R0
    0034 E6E1      LDI	R30,0x61
    0035 E0F0      LDI	R31,0
    0036 E010      LDI	R17,0
    0037 36E1      CPI	R30,0x61
    0038 07F1      CPC	R31,R17
    0039 F011      BEQ	0x003C
    003A 9201      ST	R0,Z+
    003B CFFB      RJMP	0x0037
    003C 8300      STD	Z+0,R16
    003D E5E4      LDI	R30,0x54
    003E E0F0      LDI	R31,0
    003F E6A0      LDI	R26,0x60
    0040 E0B0      LDI	R27,0
    0041 E010      LDI	R17,0
    0042 35E5      CPI	R30,0x55
    0043 07F1      CPC	R31,R17
    0044 F021      BEQ	0x0049
    0045 95C8      LPM
    0046 9631      ADIW	R30,1
    0047 920D      ST	R0,X+
    0048 CFF9      RJMP	0x0042
    0049 940E0092  CALL	_main
_exit:
    004B CFFF      RJMP	_exit
FILE: F:\工程文件\AVR光盘\例程\m16\步进测试\test.c
(0001) //ICC-AVR application builder : 2007-8-2 13:09:26
(0002) // Target : M16
(0003) // Crystal: 8.0000Mhz
(0004) 
(0005) #include <iom16v.h>
(0006) #include <macros.h>
(0007) 
(0008) unsigned char  data = 0x1;
(0009) void port_init(void)
(0010) {
(0011)  PORTA = 0x00;
_port_init:
    004C 2422      CLR	R2
    004D BA2B      OUT	0x1B,R2
(0012)  DDRA  = 0x00;
    004E BA2A      OUT	0x1A,R2
(0013)  PORTB = 0xFF;
    004F EF8F      LDI	R24,0xFF
    0050 BB88      OUT	0x18,R24
(0014)  DDRB  = 0xFF;
    0051 BB87      OUT	0x17,R24
(0015)  PORTC = 0x00; //m103 output only
    0052 BA25      OUT	0x15,R2
(0016)  DDRC  = 0x00;
    0053 BA24      OUT	0x14,R2
(0017)  PORTD = 0x00;
    0054 BA22      OUT	0x12,R2
(0018)  DDRD  = 0x00;
    0055 BA21      OUT	0x11,R2
    0056 9508      RET
(0019) }
(0020) 
(0021) //TIMER1 initialize - prescale:64
(0022) // WGM: 0) Normal, TOP=0xFFFF
(0023) // desired value: 200mSec
(0024) // actual value: 200.000mSec (0.0%)
(0025) void timer1_init(void)
(0026) {
(0027)  TCCR1B = 0x00; //stop
_timer1_init:
    0057 2422      CLR	R2
    0058 BC2E      OUT	0x2E,R2
(0028)  TCNT1H = 0xef; //setup
    0059 EE8F      LDI	R24,0xEF
    005A BD8D      OUT	0x2D,R24
(0029)  TCNT1L = 0x58;
    005B E588      LDI	R24,0x58
    005C BD8C      OUT	0x2C,R24
(0030)  OCR1AH = 0x61;
    005D E681      LDI	R24,0x61
    005E BD8B      OUT	0x2B,R24
(0031)  OCR1AL = 0xA8;
    005F EA88      LDI	R24,0xA8
    0060 BD8A      OUT	0x2A,R24
(0032)  OCR1BH = 0x61;
    0061 E681      LDI	R24,0x61
    0062 BD89      OUT	0x29,R24
(0033)  OCR1BL = 0xA8;
    0063 EA88      LDI	R24,0xA8
    0064 BD88      OUT	0x28,R24
(0034)  ICR1H  = 0x61;
    0065 E681      LDI	R24,0x61
    0066 BD87      OUT	0x27,R24
(0035)  ICR1L  = 0xA8;
    0067 EA88      LDI	R24,0xA8
    0068 BD86      OUT	0x26,R24
(0036)  TCCR1A = 0x00;
    0069 BC2F      OUT	0x2F,R2
(0037)  TCCR1B = 0x03; //start Timer
    006A E083      LDI	R24,3
    006B BD8E      OUT	0x2E,R24
    006C 9508      RET
_timer1_ovf_isr:
    006D 922A      ST	R2,-Y
    006E 938A      ST	R24,-Y
    006F B62F      IN	R2,0x3F
    0070 922A      ST	R2,-Y
(0038) }
(0039) 
(0040) #pragma interrupt_handler timer1_ovf_isr:9
(0041) void timer1_ovf_isr(void)
(0042) {
(0043)  //TIMER1 has overflowed
(0044)  TCNT1H = 0xef; //reload counter high value
    0071 EE8F      LDI	R24,0xEF
    0072 BD8D      OUT	0x2D,R24
(0045)  TCNT1L = 0x58; //reload counter low value
    0073 E588      LDI	R24,0x58
    0074 BD8C      OUT	0x2C,R24
(0046)  if(data == 0x01)
    0075 91800060  LDS	R24,data
    0077 3081      CPI	R24,1
    0078 F421      BNE	0x007D
(0047)   data = 0;
    0079 2422      CLR	R2
    007A 92200060  STS	data,R2
    007C C003      RJMP	0x0080
(0048)  else
(0049)   data = 1;
    007D E081      LDI	R24,1
    007E 93800060  STS	data,R24
(0050)   PORTB = data;
    0080 90200060  LDS	R2,data
    0082 BA28      OUT	0x18,R2
    0083 9029      LD	R2,Y+
    0084 BE2F      OUT	0x3F,R2
    0085 9189      LD	R24,Y+
    0086 9029      LD	R2,Y+
    0087 9518      RETI
(0051) }
(0052) 
(0053) //call this routine to initialize all peripherals
(0054) void init_devices(void)
(0055) {
(0056)  //stop errant interrupts until set up
(0057)  CLI(); //disable all interrupts
_init_devices:
    0088 94F8      BCLR	7
(0058)  port_init();
    0089 DFC2      RCALL	_port_init
(0059)  timer1_init();
    008A DFCC      RCALL	_timer1_init
(0060) 
(0061)  MCUCR = 0x00;
    008B 2422      CLR	R2
    008C BE25      OUT	0x35,R2
(0062)  GICR  = 0x00;
    008D BE2B      OUT	0x3B,R2
(0063)  TIMSK = 0x04; //timer interrupt sources
    008E E084      LDI	R24,4
    008F BF89      OUT	0x39,R24
(0064)  SEI(); //re-enable interrupts
    0090 9478      BSET	7
    0091 9508      RET
(0065)  //all peripherals are now initialized
(0066) }
(0067) 
(0068) //
(0069) void main(void)
(0070) {
(0071)  init_devices();
FILE: <library>
_main:
    0092 DFF5      RCALL	_init_devices
    0093 9508      RET