?? drivers.asm
字號:
.INCLUDE HARDWARE.ASM
SET_IOA_IN: .MACRO //USING R1 FOR TEMP
R1 = 0x00ff
[P_IOA_Dir] = R1
R1 = 0xFFFF
[P_IOA_Attrib] = R1
.ENDM
SET_IOA_OUT: .MACRO //USE R1 FOR TEMP
R1 = 0xFFFF
[P_IOA_Attrib] = R1
[P_IOA_Dir] = R1
.ENDM
RD_8279_FIFORAM: .MACRO //改變了 R1,R2的值，使用 R1 返回函數(shù)值
SET_IOA_IN;
R2 = C_RD_FIFORAM
[P_IOB_Data] = R2;
// R1 = 0x0000
// [P_IOA_Data] = R1;
R1 = [P_IOA_Data];
R2 = C_IOB_DEFAULT & ~C_8279_A0
[P_IOB_Data] = R2
.ENDM
RD_8279_STATUS: .MACRO //改變了 R1,R2的值，使用 R1 返回函數(shù)值
SET_IOA_IN;
R2 = C_RD_STATUS
[P_IOB_Data] = R2;
// R1 = 0x0000
// [P_IOA_Data] = R1;
R1 = [P_IOA_Data];
R2 = C_IOB_DEFAULT
[P_IOB_Data] = R2
.ENDM
WR_8279_DISPLAYRAM: .MACRO DATA //改變了 R1,R2 的值
// .IFMA 0
// .MACEXIT
// .ENDIF
SET_IOA_OUT;
R2 = C_WR_RAM
[P_IOB_Data] = R2;
R1 = DATA;
R2 = [P_IOA_Data]
R2 = R2 & 0x00FF
R1 = R1 | R2
[P_IOA_Data] = R1;
R2 = C_IOB_DEFAULT & ~C_8279_A0
[P_IOB_Data] = R2;
.ENDM
WR_8279_CONTROL: .MACRO DATA //改變了 R1,R2 的值
// .IFMA 0
// .MACEXIT
// .ENDIF
SET_IOA_OUT;
R2 = C_WR_CONTROL
[P_IOB_Data] = R2;
R1 = DATA;
R2 = [P_IOA_Data]
R2 = R2 & 0x00FF
R1 = R1 | R2
[P_IOA_Data] = R1;
R2 = C_IOB_DEFAULT ;
[P_IOB_Data] = R2;
.ENDM
EXCHANGER4: .MACRO
BP = discode;
R4 = R4 LSR 4
R4 = R4 LSR 4
r4 =r4 + bp
R4 = [R4]
.ENDM
EXCHANGER3: .MACRO
bp = discode;
r3 = r3 + bp
R3 = [R3]
.ENDM
CLEAR_WATCHDOG: .MACRO //USE R1
R1 = 0x0001
[P_Watchdog_Clear] = R1
.ENDM
.external CPointFlag,TurnLeftNoPwm,ForwardNoPwm
.external Time
.iRAM
.VAR counter = 4;
.VAR LastState = 0;
.var Total = 0
.var B2C = 0
.public TestObjectFlag
.var TestObjectFlag = 0 //一左\二右\三雙\零無障
.public TimeB2C
.var TimeB2C=0
.public Time5Sec
.var Time5Sec=0
.public Time5SecFlag
.var Time5SecFlag=0
.public LastIntCtrlStatus
.var LastIntCtrlStatus
.DATA
.public discode
discode:
.DW 0x3F00,0x0600,0x5b00,0x4f00,0x6600,0x6d00,0x7d00,0x0700,0x7f00,0x6f00;
//==============================================================================
//==============================================================================
.CODE
//////////////////////////
// SP061 INITIAL //
//----------------------//
.PUBLIC _SP061_INIT
_SP061_INIT: .PROC
INT OFF
R1 = 0x0008
[P_SystemClock] = R1
BP = discode;
/////////////////////
//P_IOA Initial
/////////////////////
//A口全部做為帶下拉電阻的輸入口
R1=0xFFFF; //A口輸入
[P_IOA_Dir]=R1;
[P_IOA_Attrib]=R1;
//P_IOB Initial
//IOB2--->EXT1; IOB3--->EXT2
R1 = 0x01F3; //設置IOB2,IOB3為輸入
[P_IOB_Dir] = R1; //
R1 = 0xFFF3; //IOB2，IOB3設置為輸入，高8位輸入
[P_IOB_Attrib] = R1; //
R1 = 0xFFFF
[P_IOB_Data] = R1;
//中斷控制寄存器設置
R1 = 0xFFFF
[P_INT_Clear] = R1
R1 = 0x020C; //開中斷IRQ3_EXT1
[P_INT_Ctrl] = R1
[P_INT_New] = R1
r1 = 0x0001
[P_Watchdog_Clear] = R1
//Timer initial
r1 = 0x0007
[P_TimerB_Ctrl] = r1
r1 = 0x0000
[P_TimerB_Data] = r1
// r1 = 0x0000
// [P_TimeBase_Setup] = r1
CALL INIT_8279
INT IRQ; //開中斷
RETF
.ENDP
//**********************************************//
//Function Name : INIT_8279 //
//Function : none //
//Input : R1, R2 //
//Output : initial 8279,display GOOD on leds //
//Destroy : R1,R2 //
.PUBLIC INIT_8279
INIT_8279: .PROC
WR_8279_CONTROL 0x0100 //鍵盤/顯示方式命令字
//8個字符顯示左入口,編碼掃描鍵盤雙鍵鎖定
WR_8279_CONTROL 0x3800 //8279掃描頻率設定
WR_8279_CONTROL 0xD300 //清顯示、FIFO RAM
?LOP:
nop
RD_8279_STATUS //讀狀態(tài)REG，比較是否清除完成
TEST R1,0x8000
JNZ ?LOP
WR_8279_CONTROL 0x8000 //地址非自動增加，顯示RAM 0x00
WR_8279_DISPLAYRAM C_SEG_g //顯示 g
WR_8279_CONTROL 0x8100 //地址非自動增加，顯示RAM 0x01
WR_8279_DISPLAYRAM C_SEG_o //顯示 o
WR_8279_CONTROL 0x8200 //地址非自動增加，顯示RAM 0x02
WR_8279_DISPLAYRAM C_SEG_o //顯示 o
WR_8279_CONTROL 0x8300 //地址非自動增加，顯示RAM 0x03
WR_8279_DISPLAYRAM C_SEG_d //顯示 d
RETF
.ENDP
.PUBLIC DisplayKey
DisplayKey: .proc
push r2,r4 to [sp]
R3 = [counter]
cmp r3,0x0
jne ?next
r3 = 4
[counter] = r3
?next:
R3 = [counter]
R3 = R3 LSL 4
R2 = R3 LSL 4
R3 = 0x8400
R3 = R3 - R2
EXCHANGER4
WR_8279_CONTROL R3
WR_8279_DISPLAYRAM R4
R3 = [counter]
r3 -=1
[counter]= r3
pop r2,r4 from [sp]
retf
.endp
//*************************************//
// 計算速度函數(shù) //
// 參數(shù)： R1 為計數(shù)值 //
// 返回：R3中為速度值，R4中為方向狀態(tài) //
// R4 | 方向 //
// ------------------ //
// 0 | 正 //
// 1 | 反 //
.public CalV
CalV: .proc
r2 = 8 // 單位長度／一秒鐘
mr = r1 * r2,us
r1 = r3
// r2 = 10
// call F_Divider
SET_IOA_IN
R1 = [P_IOA_Data]
test r1,C_CAR_Dir
JZ BACKWARD
FORWARD:
R4 = 0;
JMP EXIT
BACKWARD:
R4 = 1;
EXIT:
retf
.endp
//*************************************//
// 計算路程函數(shù) //
// 參數(shù)： R1 為計數(shù)值 //
// 返回：R3中為總路程 //
// //
// //
// //
// //
.public CalLong
CalLong: .proc
r2 = 4 // 單位長度／一個脈沖
mr = r1 * r2,us
cmp r3,140
jbe next1
GoToC:
r1 = 1
[B2C] = r1
next1:
r1 = [CPointFlag]
test r1,0
jne quit
cmp r3,260
// CMP R3,300
jbe quit
setCPointFlag:
r1 = 1
[CPointFlag] = r1
quit:
retf
.endp
//**********************************************//
//Function Name : F_Divder //
//Function : R1/R2 //
//Input : R1, R2 //
//Output : R3; Integer value //
//Destroy : All //
//
.PUBLIC F_Divider
F_Divider: .proc
R4 = R1;
R3 = 0;
R5 = 0;
Loop_1:
CMP R4,R2;
JB Loop_2;
R4 -= R2;
R3 += 1;
JMP Loop_1;
Loop_2:
R5 += 1;
CMP R5,8; //Scale : 1/(2^8) = 1/256
JG EndDivide;
R3 = R3 LSL 1;
R4 = R4 LSL 1;
JMP Loop_1;
EndDivide:
R3 = R3 LSR 4; //R3/(2^8)
R3 = R3 LSR 4;
RETF;
.ENDP
//**********************************************//
//Function Name : Hex2Dec //
//Function : Hex2Dec void //
//Input : R3 //
//Output : R3; display on LED //
//Destroy : All //
.PUBLIC Hex2Dec
Hex2Dec: .PROC
push r3 to [sp]
push r3 to [sp]
r1 = r3
R2 = 100 //轉(zhuǎn)換百位
CALL F_Divider
PUSH R3 TO [SP]
WR_8279_CONTROL 0x8100 //將百位顯示在數(shù)碼管上
EXCHANGER3 //換碼
WR_8279_DISPLAYRAM R3
POP R3 FROM [SP]
r2 = 100
mr = R3*r2,us //恢復
r1 = r3
pop r3 from [sp]
r3 = r3 -r1 //求第一次余數(shù)
push r3 to [sp]
R1 = R3
r2 = 10 //在余數(shù)中轉(zhuǎn)換十位
call F_Divider
PUSH R3 TO [SP]
WR_8279_CONTROL 0x8200 //將十位顯示在數(shù)碼管上
EXCHANGER3 //換碼
WR_8279_DISPLAYRAM R3
POP R3 FROM [SP]
r2 = 10
mr = r2*r3,us //恢復
r1 = r3
pop r3 from [sp]
r3 = r3 - r1 //求第二次余數(shù)即個位
WR_8279_CONTROL 0x8300 //將個位顯示在數(shù)碼管上
EXCHANGER3 //換碼
WR_8279_DISPLAYRAM R3
pop r3 from [sp]
RETF
.ENDP
//**********************************************//
//Function Name : TurnLeft //
//Function : TurnLeft (void) //
//Input : none //
//Output : car turn left //
//Destroy : none //
.public TurnLeft
TurnLeft: .proc
push r1,r2 to [sp]
SET_IOA_IN;
// r2 = C_CAR_TurnLeft2
// r1 = [P_IOA_Data]
r1 = 0x000f
r2 = [P_IOA_Data]
r1 = r1 | r2
// r2 = 0xfffA
R2 = r1 & 0xFFF5
// r2 = r2 & r1
SET_IOA_OUT
[P_IOA_Data] = R2
r1 = [B2C]
test r1,1
jz ?straight
?round:
r1 = 0x0500
r2 = 0x0300
call F_Pwm
pc = ?go
?straight:
r1 = 0x0500
r2 = 0x0230
call F_Pwm
call delay_1
?go:
pop r1,r2 from [sp]
retf
.endp
//**********************************************//
//Function Name : TurnRight //
//Function : TurnRight (void) //
//Input : none //
//Output : car turn right //
//Destroy : none //
.PUBLIC TurnRight
TurnRight: .proc
push r1,r2 to [sp]
SET_IOA_IN;
// r2 = C_CAR_TurnRight1
// r2 = 0xfff5
r1 = 0x000f
r2 = [P_IOA_Data]
r1 = r1 | r2
R2 = r1 & 0xFFFA
// r2 = r2 & r1
SET_IOA_OUT
[P_IOA_Data] = R2
r1 = [B2C]
test r1,1
jz ?straight
?round:
r1 = 0x0fff
r2 = 0x0150
call F_Pwm
pc = ?go
?straight:
r1 = 0x0fff
r2 = 0x0180
call F_Pwm
?go:
// call delay_1
pop r1,r2 from [sp]
retf
.endp
.public LastTurnRight
LastTurnRight: .proc
SET_IOA_IN
R1 =[P_IOA_Data]
R1 = R1 & 0xfff0
R1= R1|0x000a //////////右轉(zhuǎn)控制邏輯////////
R2 = R1
SET_IOA_OUT
[P_IOA_Data] = R2
R1 = 0x0500
R2 = 0x0300
CALL F_Pwm
R1 = 0x0150 //////右轉(zhuǎn)時間
LOP:
R1 -=1
PUSH R1,R5 TO [SP]
NOP
POP R1,R5 FROM [SP]
CMP R1,0
JNE LOP
Retf
.endp
//**********************************************//
//Function Name : Forward //
//Function : Forward (void) //
//Input : none //
//Output : car go Forward //
//Destroy : none //
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