ac13-2.lst

AVR学习资料

__text_start:
__start:
    005A E5CF      LDI	R28,0x5F
    005B E0D4      LDI	R29,4
    005C BFCD      OUT	0x3D,R28
    005D BFDE      OUT	0x3E,R29
    005E 51C0      SUBI	R28,0x10
    005F 40D0      SBCI	R29,0
    0060 EA0A      LDI	R16,0xAA
    0061 8308      STD	Y+0,R16
    0062 2400      CLR	R0
    0063 ECE0      LDI	R30,0xC0
    0064 E0F0      LDI	R31,0
    0065 E010      LDI	R17,0
    0066 3CE0      CPI	R30,0xC0
    0067 07F1      CPC	R31,R17
    0068 F011      BEQ	0x006B
    0069 9201      ST	R0,Z+
    006A CFFB      RJMP	0x0066
    006B 8300      STD	Z+0,R16
    006C E5E4      LDI	R30,0x54
    006D E0F0      LDI	R31,0
    006E E6A0      LDI	R26,0x60
    006F E0B0      LDI	R27,0
    0070 E010      LDI	R17,0
    0071 3BE4      CPI	R30,0xB4
    0072 07F1      CPC	R31,R17
    0073 F021      BEQ	0x0078
    0074 95C8      LPM
    0075 9631      ADIW	R30,1
    0076 920D      ST	R0,X+
    0077 CFF9      RJMP	0x0071
    0078 940E00AE  CALL	_main
_exit:
    007A CFFF      RJMP	_exit
FILE: d:\MYDOCU~1\ac13-2\ac13-2.c
(0001) #include <iom16v.h>
(0002) #include <macros.h>
(0003) /*************************************************/
(0004) void port_init(void) 
(0005) {
(0006)  PORTA = 0xFF; 
_port_init:
    007B EF8F      LDI	R24,0xFF
    007C BB8B      OUT	0x1B,R24
(0007)  DDRA  = 0x00; 
    007D 2422      CLR	R2
    007E BA2A      OUT	0x1A,R2
(0008)  PORTB = 0xFF; 
    007F BB88      OUT	0x18,R24
(0009)  DDRB  = 0xFF; 
    0080 BB87      OUT	0x17,R24
(0010)  PORTC = 0xFF; 
    0081 BB85      OUT	0x15,R24
(0011)  DDRC  = 0x00; 
    0082 BA24      OUT	0x14,R2
(0012)  PORTD = 0xFF; 
    0083 BB82      OUT	0x12,R24
(0013)  DDRD  = 0x02;
    0084 E082      LDI	R24,2
    0085 BB81      OUT	0x11,R24
    0086 9508      RET
(0014) }
(0015) /**************************************************/
(0016) void uart0_init(void) 
(0017) {
(0018)  UCSRB = 0x00; 
_uart0_init:
    0087 2422      CLR	R2
    0088 B82A      OUT	0x0A,R2
(0019)  UCSRA = 0x02;
    0089 E082      LDI	R24,2
    008A B98B      OUT	0x0B,R24
(0020)  UCSRC = 0x06;
    008B E086      LDI	R24,6
    008C BD80      OUT	0x20,R24
(0021)  UBRRL = 0x67; 
    008D E687      LDI	R24,0x67
    008E B989      OUT	0x09,R24
(0022)  UBRRH = 0x00; 
    008F BC20      OUT	0x20,R2
(0023)  UCSRB = 0x18;
    0090 E188      LDI	R24,0x18
    0091 B98A      OUT	0x0A,R24
    0092 9508      RET
(0024) }
(0025) /********************************************************/
(0026) void init_devices(void) 
(0027) {
(0028)  port_init();
_init_devices:
    0093 DFE7      RCALL	_port_init
(0029)  uart0_init();
    0094 DFF2      RCALL	_uart0_init
    0095 9508      RET
(0030)  }
(0031) //**********************************************
(0032) void uart0_send(unsigned char i)
(0033) {
(0034) while(!(UCSRA&(1<<UDRE)));
_uart0_send:
  i                    --> R16
    0096 9B5D      SBIS	0x0B,5
    0097 CFFE      RJMP	_uart0_send
(0035) UDR=i;
    0098 B90C      OUT	0x0C,R16
    0099 9508      RET
_str_send:
  s                    --> R20
    009A 940E00CD  CALL	push_gset1
    009C 01A8      MOVW	R20,R16
(0036) }
(0037) /*******************************************/
(0038) void str_send(char *s) 
(0039) {
    009D C005      RJMP	0x00A3
(0040)  while(*s)
(0041)  {
(0042)  uart0_send(*s); 
    009E 01FA      MOVW	R30,R20
    009F 8100      LDD	R16,Z+0
    00A0 DFF5      RCALL	_uart0_send
(0043)  s++;
    00A1 5F4F      SUBI	R20,0xFF
    00A2 4F5F      SBCI	R21,0xFF
    00A3 01FA      MOVW	R30,R20
    00A4 8020      LDD	R2,Z+0
    00A5 2022      TST	R2
    00A6 F7B9      BNE	0x009E
    00A7 940E00D0  CALL	pop_gset1
    00A9 9508      RET
(0044)  }
(0045) }
(0046) /*********************************************/
(0047) unsigned char uart0_receive(void) 
(0048) {
(0049) while(!(UCSRA&(1<<RXC)));
_uart0_receive:
    00AA 9B5F      SBIS	0x0B,7
    00AB CFFE      RJMP	_uart0_receive
(0050) return UDR;
    00AC B10C      IN	R16,0x0C
    00AD 9508      RET
(0051) }
(0052) /********************************************/
(0053) void main(void)
(0054) {
(0055) unsigned char temp; 
(0056) init_devices();
_main:
  temp                 --> R20
    00AE DFE4      RCALL	_init_devices
(0057) str_send("上海红棱电子有限公司  ");
    00AF EA09      LDI	R16,0xA9
    00B0 E010      LDI	R17,0
    00B1 DFE8      RCALL	_str_send
(0058) str_send("AVR单片机RS232通信测试程序  ");
    00B2 E80C      LDI	R16,0x8C
    00B3 E010      LDI	R17,0
    00B4 DFE5      RCALL	_str_send
(0059) str_send("http://www.hlelectron.com  ");
    00B5 E700      LDI	R16,0x70
    00B6 E010      LDI	R17,0
    00B7 DFE2      RCALL	_str_send
    00B8 C00A      RJMP	0x00C3
(0060)  while(1) 
(0061)  {
(0062)  temp=uart0_receive();
    00B9 DFF0      RCALL	_uart0_receive
    00BA 2F40      MOV	R20,R16
(0063)  str_send("当前按键是：");
    00BB E603      LDI	R16,0x63
    00BC E010      LDI	R17,0
    00BD DFDC      RCALL	_str_send
(0064)  uart0_send(temp); 
    00BE 2F04      MOV	R16,R20
    00BF DFD6      RCALL	_uart0_send
(0065)  str_send("  ");
FILE: <library>
    00C0 E600      LDI	R16,0x60
    00C1 E010      LDI	R17,0
    00C2 DFD7      RCALL	_str_send
    00C3 CFF5      RJMP	0x00B9
    00C4 9508      RET
push_gset5:
    00C5 92FA      ST	R15,-Y
    00C6 92EA      ST	R14,-Y
push_gset4:
    00C7 92DA      ST	R13,-Y
    00C8 92CA      ST	R12,-Y
push_gset3:
    00C9 92BA      ST	R11,-Y
    00CA 92AA      ST	R10,-Y
push_gset2:
    00CB 937A      ST	R23,-Y
    00CC 936A      ST	R22,-Y
push_gset1:
    00CD 935A      ST	R21,-Y
    00CE 934A      ST	R20,-Y
    00CF 9508      RET
pop_gset1:
    00D0 E0E1      LDI	R30,1
pop:
    00D1 9149      LD	R20,Y+
    00D2 9159      LD	R21,Y+
    00D3 FDE0      SBRC	R30,0
    00D4 9508      RET
    00D5 9169      LD	R22,Y+
    00D6 9179      LD	R23,Y+
    00D7 FDE1      SBRC	R30,1
    00D8 9508      RET
    00D9 90A9      LD	R10,Y+
    00DA 90B9      LD	R11,Y+
    00DB FDE2      SBRC	R30,2
    00DC 9508      RET
    00DD 90C9      LD	R12,Y+
    00DE 90D9      LD	R13,Y+
    00DF FDE3      SBRC	R30,3
    00E0 9508      RET
    00E1 90E9      LD	R14,Y+
    00E2 90F9      LD	R15,Y+
    00E3 9508      RET