📄 motor_com1.asm
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;This routine dispalys few key parameters on Hyper terminal.
;Baud rate set to 9600
;Parameters displayed can be changed in the main motor control program
;After debugging, this program can be removed from the motor control project
; Author : Padmaraja Yedamale, Microchip Technology Inc
;Version : 1.0
;----------------------------------------------------------------
include "P18F4431.inc"
;----------------------------------------------------------------
UDATA_ACS
DISPLAY_TEMP1 res 1
DISPLAY_TEMP2 res 1
DISPLAY_SPEED_REF res 1
DISPLAY_SPEED_ACTH res 1
DISPLAY_SPEED_ACTL res 1
DISPLAY_CURRENT_Iu res 1
DISPLAY_CURRENT_Iv res 1
DISPLAY_CURRENT_Iw res 1
DISPLAY_MISC_PARAH res 1
DISPLAY_MISC_PARAL res 1
DISPLAY_MISC_PARA2H res 1
DISPLAY_MISC_PARA2L res 1
DISPLAY_SFH res 1
DISPLAY_SFL res 1
DISPLAY_SRH res 1
DISPLAY_SRL res 1
DISPLAY_EIH res 1
DISPLAY_EIL res 1
DISPLAY_EOH res 1
DISPLAY_EOL res 1
DISPLAY_EOLL res 1
;----------------------------------------------------------------
GLOBAL DISPLAY_SPEED_REF
GLOBAL DISPLAY_SPEED_ACTH
GLOBAL DISPLAY_SPEED_ACTL
GLOBAL DISPLAY_CURRENT_Iu
GLOBAL DISPLAY_CURRENT_Iv
GLOBAL DISPLAY_CURRENT_Iw
GLOBAL DISPLAY_MISC_PARAH
GLOBAL DISPLAY_MISC_PARAL
GLOBAL DISPLAY_MISC_PARA2H
GLOBAL DISPLAY_MISC_PARA2L
GLOBAL DISPLAY_SFH
GLOBAL DISPLAY_SFL
GLOBAL DISPLAY_SRH
GLOBAL DISPLAY_SRL
GLOBAL DISPLAY_EIH
GLOBAL DISPLAY_EIL
GLOBAL DISPLAY_EOH
GLOBAL DISPLAY_EOL
GLOBAL DISPLAY_EOLL
;----------------------------------------------------------------
GLOBAL WELCOME_MESSAGE
GLOBAL SEND_BYTE_FROM_WREG
GLOBAL INITIALIZE_SERIAL_PORT
GLOBAL DISPLAY_PARAMETERS
;*******************************************************************************
PRG1 code
;*******************************************************************
;This routine initializes USART parameters
;******************************************************************
INITIALIZE_SERIAL_PORT
movlw 0x81 ;Baudrate = 9600
movwf SPBRG
movlw 0x24 ;8-bit transmission;Enable Transmission;
movwf TXSTA ;Asynchronous mode with High speed transmission
movlw 0x90 ;Enable the serial port
movwf RCSTA ;with 8-bit continuous reception
bcf TRISC,6
bsf TRISC,7
return
;*******************************************************************************
;This routine loads the data in Wreg to Transmission register(TXREG) after checking
;of completion of previously loaded byte transmission
;*******************************************************************************
SEND_BYTE_FROM_WREG
btfss PIR1,TXIF
goto SEND_BYTE_FROM_WREG
movwf TXREG
return
;*******************************************************************************
;This routine intializes the USART module to communicate with host PC and displays
;a welcome message on the screen
;*******************************************************************************
WELCOME_MESSAGE
movlw UPPER WELCOME_TABLE ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH WELCOME_TABLE
movwf TBLPTRH
movlw LOW WELCOME_TABLE
movwf TBLPTRL
SEND_NEXT_W1
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_W1
WELCOME_TABLE ;BLDC Motor Control
db 0xA,0xD,0x42,0x4C,0x44,0x43,0x20,0x4D,0x6F,0x74,0x6F,0x72,0x20,0x43,0x6F,0x6E,0x74,0x72,0x6F,0x6C,0x0A,0x0D,0x00
;*******************************************************************************
DISPLAY_PARAMETERS
call PARAMETER_ZERO
movff DISPLAY_SPEED_REF,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_ONE
movff DISPLAY_SPEED_ACTH,DISPLAY_TEMP1
call DISPLAY_DIGITS
movff DISPLAY_SPEED_ACTL,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_TWO
call PARAMETER_THREE
btfss QEICON,5
bra DISP_REV
call DISPLAY_FORWARD
bra NEXT_PARA_DISPLAY
DISP_REV
call DISPLAY_REVERSE
NEXT_PARA_DISPLAY
call PARAMETER_FOUR
movff DISPLAY_CURRENT_Iu,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_FIVE
movff DISPLAY_CURRENT_Iv,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_SIX
movff DISPLAY_CURRENT_Iw,DISPLAY_TEMP1
call DISPLAY_DIGITS
; call PARAMETER_SEVEN
; movff DISPLAY_MISC_PARAH,DISPLAY_TEMP1
; call DISPLAY_DIGITS
; movff DISPLAY_MISC_PARAL,DISPLAY_TEMP1
; call DISPLAY_DIGITS
; call PARAMETER_EIGHT
; movff DISPLAY_MISC_PARA2H,DISPLAY_TEMP1
; call DISPLAY_DIGITS
; movff DISPLAY_MISC_PARA2L,DISPLAY_TEMP1
; call DISPLAY_DIGITS
call PARAMETER_SEVEN
movff DISPLAY_SRH,DISPLAY_TEMP1
call DISPLAY_DIGITS
movff DISPLAY_SRL,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_EIGHT
movff DISPLAY_SFH,DISPLAY_TEMP1
call DISPLAY_DIGITS
movff DISPLAY_SFL,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_NINE
movff DISPLAY_EIH,DISPLAY_TEMP1
call DISPLAY_DIGITS
movff DISPLAY_EIL,DISPLAY_TEMP1
call DISPLAY_DIGITS
call PARAMETER_TEN
movff DISPLAY_EOH,DISPLAY_TEMP1
call DISPLAY_DIGITS
movff DISPLAY_EOL,DISPLAY_TEMP1
call DISPLAY_DIGITS
movff DISPLAY_EOLL,DISPLAY_TEMP1
call DISPLAY_DIGITS
return
;******************************************************************************
;Speed referance display : SpeedRef=
PARAMETER_ZERO
movlw UPPER PARAMETER_0 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_0
movwf TBLPTRH
movlw LOW PARAMETER_0
movwf TBLPTRL
SEND_NEXT_P0
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P0
PARAMETER_0 ; SpeedRef=
db 0xA,0xA,0xD,0x53,0x70,0x65,0x65,0x64,0x52,0x65,0x66,0x3D,0x20,0x00
;*******************************************************************************
;Actual Speed display : SpeedRef=
PARAMETER_ONE
movlw UPPER PARAMETER_1 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_1
movwf TBLPTRH
movlw LOW PARAMETER_1
movwf TBLPTRL
SEND_NEXT_P1
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P1
PARAMETER_1 ; MotorSpeed =
db 0xA,0xD,0x4D,0x6F,0x74,0x6F,0x72,0x20,0x53,0x70,0x65,0x65,0x64,0x3D,0x20,0x00
;*******************************************************************************
;Ref motor direction : Direction Command :
PARAMETER_TWO
movlw UPPER PARAMETER_2 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_2
movwf TBLPTRH
movlw LOW PARAMETER_2
movwf TBLPTRL
SEND_NEXT_P2
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P2
PARAMETER_2 ; Direction Command :
db 0xA,0xD,0x44,0x69,0x72,0x65,0x63,0x74,0x69,0x6f,0x6e,0x20,0x43,0x6d,0x64,0x20,0x3a,0x00
;*******************************************************************************
;Actual motor direction : Direction Act :
PARAMETER_THREE
movlw UPPER PARAMETER_3 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_3
movwf TBLPTRH
movlw LOW PARAMETER_3
movwf TBLPTRL
SEND_NEXT_P3
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P3
PARAMETER_3 ; Direction Act :
db 0xA,0xD,0x44,0x69,0x72,0x65,0x63,0x74,0x69,0x6f,0x6e,0x20,0x41,0x63,0x74,0x20,0x3a,0x00
;*******************************************************************************
;Motor Current Phase U : Current U =
PARAMETER_FOUR
movlw UPPER PARAMETER_4 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_4
movwf TBLPTRH
movlw LOW PARAMETER_4
movwf TBLPTRL
SEND_NEXT_P4
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P4
PARAMETER_4 ; Current U =
db 0xA,0xD,0x43,0x75,0x72,0x72,0x65,0x6e,0x74,0x20,0x55,0x20,0x3d,0x20,0x00
;*******************************************************************************
;Motor Current Phase V : Current V =
PARAMETER_FIVE
movlw UPPER PARAMETER_5 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_5
movwf TBLPTRH
movlw LOW PARAMETER_5
movwf TBLPTRL
SEND_NEXT_P5
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P5
PARAMETER_5 ; Current V =
db 0xA,0xD,0x43,0x75,0x72,0x72,0x65,0x6e,0x74,0x20,0x56,0x20,0x3d,0x20,0x00
;*******************************************************************************
;Motor Current Phase W : Current W =
PARAMETER_SIX
movlw UPPER PARAMETER_6 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_6
movwf TBLPTRH
movlw LOW PARAMETER_6
movwf TBLPTRL
SEND_NEXT_P6
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P6
PARAMETER_6 ; Current W =
db 0xA,0xD,0x43,0x75,0x72,0x72,0x65,0x6e,0x74,0x20,0x57,0x20,0x3d,0x20,0x00
;*******************************************************************************
;Misc display: ParaX = (SR)
PARAMETER_SEVEN
movlw UPPER PARAMETER_7 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_7
movwf TBLPTRH
movlw LOW PARAMETER_7
movwf TBLPTRL
SEND_NEXT_P7
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P7
PARAMETER_7 ; ParaX =
; db 0xA,0xD,0x50,0x61,0x72,0x61,0x58,0x20,0x3d,0x20,0x00
db 0xA,0xD,0x53,0x52,0x00
;*******************************************************************************
;Misc display: ParaX2 = (SF)
PARAMETER_EIGHT
movlw UPPER PARAMETER_8 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_8
movwf TBLPTRH
movlw LOW PARAMETER_8
movwf TBLPTRL
SEND_NEXT_P8
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P8
PARAMETER_8 ; ParaX2=
; db 0xA,0xD,0x50,0x61,0x72,0x61,0x58,0x32,0x20,0x3d,0x20,0x00
db 0xA,0xD,0x53,0x46,0x00
;*******************************************************************************
;Misc display: ParaX3 = (EI)
PARAMETER_NINE
movlw UPPER PARAMETER_9 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_9
movwf TBLPTRH
movlw LOW PARAMETER_9
movwf TBLPTRL
SEND_NEXT_P9
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P9
PARAMETER_9 ; ParaX2=
; db 0xA,0xD,0x50,0x61,0x72,0x61,0x58,0x32,0x20,0x3d,0x20,0x00
db 0xA,0xD,0x45,0x49,0x00
;*******************************************************************************
;Misc display: ParaX2 = (EO)
PARAMETER_TEN
movlw UPPER PARAMETER_10 ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH PARAMETER_10
movwf TBLPTRH
movlw LOW PARAMETER_10
movwf TBLPTRL
SEND_NEXT_P10
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_P10
PARAMETER_10 ; ParaX2=
; db 0xA,0xD,0x50,0x61,0x72,0x61,0x58,0x32,0x20,0x3d,0x20,0x00
db 0xA,0xD,0x45,0x4F,0x00
;*******************************************************************************
;Display: FORWARD
DISPLAY_FORWARD
movlw UPPER DISP_FORWARD ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH DISP_FORWARD
movwf TBLPTRH
movlw LOW DISP_FORWARD
movwf TBLPTRL
SEND_NEXT_FWD
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_FWD
DISP_FORWARD ; FORWARD
db 0x46,0x4F,0x52,0x57,0x41,0x52,0x44,0x00
;*******************************************************************************
;Display: REVERSE
DISPLAY_REVERSE
movlw UPPER DISP_REVERSE ;Initialize Table pointer to the first
movwf TBLPTRU ;location of the table
movlw HIGH DISP_REVERSE
movwf TBLPTRH
movlw LOW DISP_REVERSE
movwf TBLPTRL
SEND_NEXT_REVERSE
TBLRD*+
movf TABLAT,W
btfsc STATUS,Z
return
call SEND_BYTE_FROM_WREG
bra SEND_NEXT_REVERSE
DISP_REVERSE ;REVERSE
db 0x52,0x45,0x56,0x45,0x52,0x53,0x45,0x00
;---------------------------------------------------------
DISPLAY_DIGITS
movf DISPLAY_TEMP1,W
andlw 0xF0
swapf WREG,W
addlw 0x30
call CHECK_39
call SEND_BYTE_FROM_WREG
movf DISPLAY_TEMP1,W
andlw 0x0F
addlw 0x30
call CHECK_39
call SEND_BYTE_FROM_WREG
RETURN
;------------------------------
CHECK_39
movwf DISPLAY_TEMP2
movlw 0x39
cpfsgt DISPLAY_TEMP2
bra LESS_39
movf DISPLAY_TEMP2,W
addlw 0x7
return
LESS_39
movf DISPLAY_TEMP2,W
return
end
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