afa-004i.lst

avr单片机atmage16驱动小灯的一些例程 并且包括一些收发数据的程序利用usb口

__start:
__text_start:
    002F E5CF      LDI	R28,0x5F
    0030 E0D4      LDI	R29,4
    0031 BFCD      OUT	0x3D,R28
    0032 BFDE      OUT	0x3E,R29
    0033 51C0      SUBI	R28,0x10
    0034 40D0      SBCI	R29,0
    0035 EA0A      LDI	R16,0xAA
    0036 8308      STD	Y+0,R16
    0037 2400      CLR	R0
    0038 E6EA      LDI	R30,0x6A
    0039 E0F0      LDI	R31,0
    003A E010      LDI	R17,0
    003B 36EA      CPI	R30,0x6A
    003C 07F1      CPC	R31,R17
    003D F011      BEQ	0x0040
    003E 9201      ST	R0,Z+
    003F CFFB      RJMP	0x003B
    0040 8300      STD	Z+0,R16
    0041 E5E4      LDI	R30,0x54
    0042 E0F0      LDI	R31,0
    0043 E6A0      LDI	R26,0x60
    0044 E0B0      LDI	R27,0
    0045 E010      LDI	R17,0
    0046 35EE      CPI	R30,0x5E
    0047 07F1      CPC	R31,R17
    0048 F021      BEQ	0x004D
    0049 95C8      LPM
    004A 9631      ADIW	R30,1
    004B 920D      ST	R0,X+
    004C CFF9      RJMP	0x0046
    004D 940E0073  CALL	_main
_exit:
    004F CFFF      RJMP	_exit
_delay_ms:
  a                    --> R20
  b                    --> R22
  i                    --> R16
    0050 940E009E  CALL	push_gset2
FILE: E:\ICCAVR\project\AVRMEG~2\icc\004-SPI\main.c
(0001) /*
(0002) 实验四：
(0003) 	SPI接口实险，LED数据管显示。
(0004) 	1、程序通过SPI接口输出数据到HC595芯片驱动LED数据管简单显示。
(0005) 	2、内部1 M晶振，程序采用单任务方式，软件延时。
(0006) 	3、进行此实验请插上JP1的所有8个短路块，JP6(SPI_EN)短路块。
(0007) 
(0008) 	AVR  mega16学习板
(0009) 	www.iccavr.com
(0010) 	2006-01-10
(0011) */
(0012) 
(0013) #include "iom16v.h"
(0014) 
(0015) unsigned char disp[] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
(0016) 
(0017) /*延时函数*/
(0018) void delay_ms(unsigned char i) {
(0019) 
(0020) 	unsigned char a, b;
(0021) 	for (a = 1; a < i; a++) {
    0052 E041      LDI	R20,1
    0053 C006      RJMP	0x005A
(0022) 		for (b = 1; b; b++) {
    0054 E061      LDI	R22,1
    0055 C001      RJMP	0x0057
    0056 9563      INC	R22
    0057 2366      TST	R22
    0058 F7E9      BNE	0x0056
    0059 9543      INC	R20
    005A 1740      CP	R20,R16
    005B F3C0      BCS	0x0054
    005C 940E0095  CALL	pop_gset2
    005E 9508      RET
(0023) 			;
(0024) 			}
(0025) 		}
(0026) }
(0027) 
(0028) /*SPI接口初始化*/
(0029) void SPI_MasterInit(void) {
(0030) 
(0031) 	DDRB |= (1<<PB5) | (1<<PB7);		/* 设置MOSI 和SCK 为输出，其他为输入 */
_SPI_MasterInit:
    005F B387      IN	R24,0x17
    0060 6A80      ORI	R24,0xA0
    0061 BB87      OUT	0x17,R24
(0032) 	SPCR = (1<<SPE) | (1<<MSTR)
    0062 E583      LDI	R24,0x53
    0063 B98D      OUT	0x0D,R24
    0064 9508      RET
(0033) 		| (1<<SPR1) | (1<<SPR0);		/* 使能SPI 主机模式，设置时钟速率为fck/128 */
(0034) }
(0035) 
(0036) /*SPI数据发送*/
(0037) void SPI_MasterTransmit(unsigned char i) {
(0038) 	
(0039) 	SPDR = i;							/* 启动数据传输 */
_SPI_MasterTransmit:
  i                    --> R16
    0065 B90F      OUT	0x0F,R16
(0040) 	while (!(SPSR & (1<<SPIF))) {		/* 等待传输结束 */
    0066 9B77      SBIS	0x0E,7
    0067 CFFE      RJMP	0x0066
    0068 9508      RET
_SPI_595_Out:
  i                    --> R20
    0069 940E00A0  CALL	push_gset1
    006B 2F40      MOV	R20,R16
(0041) 		;
(0042) 		}
(0043) }
(0044) 
(0045) /*595数据输出*/
(0046) void SPI_595_Out(unsigned char i) {
(0047) 	PORTB &= ~(1 << 4);					/*准备锁存*/
    006C 98C4      CBI	0x18,4
(0048) 	SPI_MasterTransmit(i);
    006D 2F04      MOV	R16,R20
    006E DFF6      RCALL	_SPI_MasterTransmit
(0049) 	PORTB |= (1 << 4);					/*锁存数据*/
    006F 9AC4      SBI	0x18,4
    0070 940E00A3  CALL	pop_gset1
    0072 9508      RET
(0050) }
(0051) 
(0052) void main(void) {
(0053) 
(0054) 	unsigned char i = 0;
_main:
  i                    --> R20
    0073 2744      CLR	R20
(0055) 
(0056) 	DDRA = 0x00;						/*方向输入*/
    0074 2422      CLR	R2
    0075 BA2A      OUT	0x1A,R2
(0057) 	PORTA = 0xFF;						/*打开上拉*/
    0076 EF8F      LDI	R24,0xFF
    0077 BB8B      OUT	0x1B,R24
(0058) 	DDRB = 0xFF;						/*方向输出*/
    0078 BB87      OUT	0x17,R24
(0059) 	PORTB = 0xF0;						/*电平设置*/
    0079 EF80      LDI	R24,0xF0
    007A BB88      OUT	0x18,R24
(0060) 	DDRC = 0x00;
    007B BA24      OUT	0x14,R2
(0061) 	PORTC = 0xFF;
    007C EF8F      LDI	R24,0xFF
    007D BB85      OUT	0x15,R24
(0062) 	DDRD = 0xFF;
    007E BB81      OUT	0x11,R24
(0063) 	PORTD = 0xFF;
    007F BB82      OUT	0x12,R24
(0064) 
(0065) 	SPI_MasterInit();
    0080 DFDE      RCALL	_SPI_MasterInit
    0081 C011      RJMP	0x0093
(0066) 	while (1) {
(0067) 		i ++;
    0082 9543      INC	R20
(0068) 		if (i > 9) {
    0083 E089      LDI	R24,0x9
    0084 1784      CP	R24,R20
    0085 F408      BCC	0x0087
(0069) 			i = 0;
    0086 2744      CLR	R20
(0070) 			}
(0071) 		delay_ms(250);
    0087 EF0A      LDI	R16,0xFA
    0088 DFC7      RCALL	_delay_ms
(0072) 		delay_ms(250);
    0089 EF0A      LDI	R16,0xFA
    008A DFC5      RCALL	_delay_ms
(0073) 		SPI_595_Out(disp[i]);
FILE: <library>
    008B E680      LDI	R24,0x60
    008C E090      LDI	R25,0
    008D 2FE4      MOV	R30,R20
    008E 27FF      CLR	R31
    008F 0FE8      ADD	R30,R24
    0090 1FF9      ADC	R31,R25
    0091 8100      LDD	R16,Z+0
    0092 DFD6      RCALL	_SPI_595_Out
    0093 CFEE      RJMP	0x0082
    0094 9508      RET
pop_gset2:
    0095 E0E2      LDI	R30,2
    0096 940C00A4  JMP	pop
push_gset5:
    0098 92FA      ST	R15,-Y
    0099 92EA      ST	R14,-Y
push_gset4:
    009A 92DA      ST	R13,-Y
    009B 92CA      ST	R12,-Y
push_gset3:
    009C 92BA      ST	R11,-Y
    009D 92AA      ST	R10,-Y
push_gset2:
    009E 937A      ST	R23,-Y
    009F 936A      ST	R22,-Y
push_gset1:
    00A0 935A      ST	R21,-Y
    00A1 934A      ST	R20,-Y
    00A2 9508      RET
pop_gset1:
    00A3 E0E1      LDI	R30,1
pop:
    00A4 9149      LD	R20,Y+
    00A5 9159      LD	R21,Y+
    00A6 FDE0      SBRC	R30,0
    00A7 9508      RET
    00A8 9169      LD	R22,Y+
    00A9 9179      LD	R23,Y+
    00AA FDE1      SBRC	R30,1
    00AB 9508      RET
    00AC 90A9      LD	R10,Y+
    00AD 90B9      LD	R11,Y+
    00AE FDE2      SBRC	R30,2
    00AF 9508      RET
    00B0 90C9      LD	R12,Y+
    00B1 90D9      LD	R13,Y+
    00B2 FDE3      SBRC	R30,3
    00B3 9508      RET
    00B4 90E9      LD	R14,Y+
    00B5 90F9      LD	R15,Y+
    00B6 9508      RET