;************* 功能说明 **************
;程序使用P4.7 P4.6 P1.6 P1.7 来演示流水灯，输出低驱动。
Fosc_KHZ EQU 22118 ;22118KHZ
STACK_POIRTER EQU 0D0H ;堆栈开始地质
;*******************************************************
P4 DATA 0C0H
P0M1 DATA 0x93 ;
P0M0 DATA 0x94 ;
P1M1 DATA 0x91 ;
P1M0 DATA 0x92 ;
P2M1 DATA 0x95 ;
P2M0 DATA 0x96 ;
P3M1 DATA 0xB1 ;
P3M0 DATA 0xB2 ;
P4M1 DATA 0xB3 ;
P4M0 DATA 0xB4 ;
P5M1 DATA 0xC9 ;
P5M0 DATA 0xCA ;
P6M1 DATA 0xCB ;
P6M0 DATA 0xCC ;
P7M1 DATA 0xE1 ;
P7M0 DATA 0xE2 ;
ORG 0000H ;reset
LJMP F_Main
ORG 0003H ;0 INT0 interrupt
RETI
LJMP F_INT0_Interrupt
ORG 000BH ;1 Timer0 interrupt
LJMP F_Timer0_Interrupt
ORG 0013H ;2 INT1 interrupt
LJMP F_INT1_Interrupt
ORG 001BH ;3 Timer1 interrupt
LJMP F_Timer1_Interrupt
ORG 0023H ;4 UART1 interrupt
LJMP F_UART1_Interrupt
ORG 002BH ;5 ADC and SPI interrupt
LJMP F_ADC_Interrupt
ORG 0033H ;6 Low Voltage Detect interrupt
LJMP F_LVD_Interrupt
ORG 003BH ;7 PCA interrupt
LJMP F_PCA_Interrupt
ORG 0043H ;8 UART2 interrupt
LJMP F_UART2_Interrupt
ORG 004BH ;9 SPI interrupt
LJMP F_SPI_Interrupt
ORG 0053H ;10 INT2 interrupt
LJMP F_INT2_Interrupt
ORG 005BH ;11 INT3 interrupt
LJMP F_INT3_Interrupt
ORG 0063H ;12 Timer2 interrupt
LJMP F_Timer2_Interrupt
ORG 0083H ;16 INT4 interrupt
LJMP F_INT4_Interrupt
;******************** 主程序 **************************/
ORG 0100H ;reset
F_Main:
CLR A
MOV P0M1, A ;设置为准双向口
MOV P0M0, A
MOV P1M1, A ;设置为准双向口
MOV P1M0, A
MOV P2M1, A ;设置为准双向口
MOV P2M0, A
MOV P3M1, A ;设置为准双向口
MOV P3M0, A
MOV P4M1, A ;设置为准双向口
MOV P4M0, A
MOV P5M1, A ;设置为准双向口
MOV P5M0, A
MOV P6M1, A ;设置为准双向口
MOV P6M0, A
MOV P7M1, A ;设置为准双向口
MOV P7M0, A
MOV SP, #STACK_POIRTER
MOV PSW, #0 ;选择第0组R0~R7
L_MainLoop:
CLR P1.7
MOV A, #250
LCALL F_delay_ms ;延时250ms
LCALL F_delay_ms ;延时250ms
SETB P1.7
CLR P1.6
MOV A, #250
LCALL F_delay_ms ;延时250ms
LCALL F_delay_ms ;延时250ms
SETB P1.6
CLR P4.7
MOV A, #250
LCALL F_delay_ms ;延时250ms
LCALL F_delay_ms ;延时250ms
SETB P4.7
CLR P4.6
MOV A, #250
LCALL F_delay_ms ;延时250ms
LCALL F_delay_ms ;延时250ms
SETB P4.6
SJMP L_MainLoop
F_delay_ms:
PUSH 02H ;入栈R2
PUSH 03H ;入栈R3
PUSH 04H ;入栈R4
MOV R2,A
L_delay_ms_1:
MOV R3, #HIGH (Fosc_KHZ / 13)
MOV R4, #LOW (Fosc_KHZ / 13)
L_delay_ms_2:
MOV A, R4 ;1T Total 13T/loop
DEC R4 ;2T
JNZ L_delay_ms_3 ;4T
DEC R3
L_delay_ms_3:
DEC A ;1T
ORL A, R3 ;1T
JNZ L_delay_ms_2 ;4T
DJNZ R2, L_delay_ms_1
POP 04H ;出栈R2
POP 03H ;出栈R3
POP 02H ;出栈R4
RET
;**************** 中断函数 *****
F_Timer0_Interrupt: ;Timer0 1ms中断函数
RETI
F_Timer1_Interrupt:
RETI
F_Timer2_Interrupt:
RETI
F_INT0_Interrupt:
RETI
F_INT1_Interrupt:
RETI
F_INT2_Interrupt:
RETI
F_INT3_Interrupt:
RETI
F_INT4_Interrupt:
RETI
F_UART1_Interrupt:
RETI
F_UART2_Interrupt:
RETI
F_ADC_Interrupt:
RETI
F_LVD_Interrupt:
RETI
F_PCA_Interrupt:
RETI
F_SPI_Interrupt:
RETI
END
