我试图在按下每个按钮时使MSP430闪烁，并跟踪按下按钮的次数。例如，按下一个按钮会闪烁一次，按下下一个按钮会闪烁两次等。我已经制作了使光线响应按下按钮的代码，以及使灯光闪烁的代码，但是我无法将两者集成在一起使光线闪烁一定次数。
; Code to make light to on with button press, also register increment hold
#include "msp430.h" ; #define controlled include file
NAME main ; module name
PUBLIC main ; make the main label vissible
; outside this module
ORG 0FFFEh
DC16 init ; set reset vector to 'init' label
RSEG CSTACK ; pre-declaration of segment
RSEG CODE ; place program in 'CODE' segment
init: MOV #SFE(CSTACK), SP ; set up stack
main: NOP ; main program
MOV.W #WDTPW+WDTHOLD,&WDTCTL ; Stop watchdog timer
bis.b #001h, &P1DIR
bic.b #008h, &P1DIR
bis.b #008h, &P1REN
bis.b #008h, &P1IE ; Open Ports
bis.b #008h, &P1IFG
BIS.B #008h, &P1OUT
mov.w #00000000h, R8 ; Register to hold incremental value
BIS.W #CPUOFF+GIE, SR ; Enter LPM
nop ; Skip Cycle
P1_ISR
Bis.b #1h, P1DIR ; Change Light status
xor.b #001, &P1OUT
bic.b #008h, &P1IFG
add.w #1h, R8 ; Add one to R8
mov.w R8, R9 ; Copy R8 to R9
reti ; Exit Interrupt
COMMON INTVEC
ORG RESET_VECTOR ; Interrupt Vector
VECTOR:
ORG PORT1_VECTOR
DW P1_ISR
JMP $
END
// 每隔一秒闪烁一次的代码
#include "msp430.h" ; #define controlled include file
NAME main ; module name
PUBLIC main ; make the main label vissible
; outside this module
ORG 0FFFEh
DC16 init ; set reset vector to 'init' label
RSEG CSTACK ; pre-declaration of segment
RSEG CODE ; place program in 'CODE' segment
init: MOV #SFE(CSTACK), SP ; set up stack
main: NOP ; main program
MOV.W #WDTPW+WDTHOLD,&WDTCTL ; Stop watchdog timer
BIS.B #LFXT1S_2, &BCSCTL3
BIC.B #OFIFG, &IFG1
BIS.W #SCG0+SCG1, SR
BIS.B #SELM_3, &BCSCTL2
BIS.B #DIVA_3, &BCSCTL1
BIS.B #DIVM_3+DIVS_3, &BCSCTL2
mov.w #CCIE, &TACCTL0
MOV.W #1000, &TACCR0
MOV.W #TASSEL_1+MC_1, &TACTL
BIS.W #CPUOFF+GIE, SR
TA0_ISR:
Bis.b #1h, P1DIR
xor.b #001h, &P1OUT
reti
COMMON INTVEC
ORG TIMER0_A0_VECTOR
DW TA0_ISR
JMP $ ; jump to current location '$'
; (endless loop)
我试图将这两部分代码组合在一起，但它只会导致闪烁的光线，我可以通过按下按钮在循环之间切换。 IAR中的寄存器递增也存在问题。当我单步执行调试器时，按下按钮会增加R8，但是，当我按下go运行程序时，它不会在寄存器菜单中递增。任何想法，评论或指示正确的方向将不胜感激。
注意：虽然我知道这可以在C中更容易实现，但我必须在Assembly中执行此操作。
答案 0 :(得分：0)
所以我终于明白了。事实证明，IAR不会动态更新Go命令上的寄存器，而只是逐步完成。我发现这一点是因为在我结束并重新启动程序之后，寄存器会增加。这意味着代码工作正常，但没有在实时时间显示。在我确信代码是正确的之后，我实现了其余的增量闪烁功能，最后收到了一些按预期执行的工作代码。再次感谢那些花时间尝试和帮助我的人。
#include "msp430.h" ; #define controlled include file
NAME main ; module name
PUBLIC main ; make the main label vissible
; outside this module
ORG 0FFFEh
DC16 init ; set reset vector to 'init' label
RSEG CSTACK ; pre-declaration of segment
RSEG CODE ; place program in 'CODE' segment
init: MOV #SFE(CSTACK), SP ; set up stack
main: NOP ; main program
MOV.W #WDTPW+WDTHOLD,&WDTCTL ; Stop watchdog timer
bis.b #001h, &P1DIR
bic.b #008h, &P1DIR
bis.b #008h, &P1REN
bis.b #008h, &P1IE ; Open Ports
bis.b #008h, &P1IFG
BIS.B #008h, &P1OUT
xor.b #001, &P1OUT
mov.w #00000000h, R8 ; Register to hold incremental value
mov.w #00000000h, R10
BIS.W #CPUOFF+GIE, SR ; Enter LPM
nop ; Skip Cycle
P1_ISR
bic.b #008h, &P1IFG
CMP.W #0, R10
jz Skip1
add.w #1h, R8
mov.w R8, R9 ; Copy R8 to R9
CHANGEL:xor.b #001, &P1OUT ; Add one to R8
mov.w #050000,R15 ; Delay to R15
Wait: dec.w R15 ; Decrement R15
nop
nop
nop
nop
nop
nop
nop
jnz Wait
CHANGEOFF:xor.b #001, &P1OUT ; Add one to R8
mov.w #050000,R15 ; Delay to R15
Wait2: dec.w R15 ; Decrement R15
nop
nop
nop
nop
nop
nop
nop
jnz Wait2
dec.w R9
jnz CHANGEL
Skip1:
mov.w #1, R10
reti ; Exit Interrupt
COMMON INTVEC
ORG RESET_VECTOR ; Interrupt Vector
VECTOR:
ORG PORT1_VECTOR
DW P1_ISR
JMP $
END