AN510

Size: px

Start display at page:

Download "AN510"

充沈
5 years ago
Views:

1 深圳市英锐恩科技有限公司单片机集成方案全方位解决服务商优质智能电子产品芯方案解决商 Microchip 产品用户参考手册深圳市英锐恩科技有限公司 ENROO-TECH(SHENZHEN)CO.,LTD 中国深圳市福田区福华路嘉汇新城汇商中心 27 楼 2701 Enroo-Tech Technologies CO., Limited Light-Tech International Limited 香港新界荃灣沙咀道號科技中心 5 樓 5 室联系电话 : , , , , 联系传真 : 联系邮件 :enroo@enroo.com 公司网站 : ; Add: 深圳市福田区福华路嘉汇新城汇商中心 27 楼 2701 Tel: , Fax:

2 !" #$%&'()" * +,*-. / :; <=*!"4>?@AB@AC5DEFG H AI JKL FG?"MNOPQ R<=ST"UVWXYZ[ F\MN T"U]"^_`aObc!"#$%&; de)"f KLL gh(ij k KL6 ;lm89k nk 6 ;op8qk R!"#$%&[gh(f rs k rs tu "devw+!" FG n k rs tu xgh(yw+fg+ z"yw+ F\)" # 894: /{ }7~ $ z"vw+ MN }7*{ R 894:4; $ 4; $ z" % ƒ ˆ Šˆ }7lm Œk f Ž DE J b#$6 894: /,š!rœi4 ž6r4ÿ O Sš >?FG "? R Nª«}7( MNJgh G±²³ µ \¹ )" &''(" }7F\)"MN~G±º»¼ ½?"¾ N ÀG±º» n>?f DÁ KL kk ; ) ÂÃop K nkk ; ) *Ä Åop+K Æ ÇqopÈrÆ Æ Çq(lmÈrÆ ÈrÆÉN6lmop47 % ÊË6 DE SlmÌÍDElmK, ÎÏÐ ÑÒkÓÔÕ $ {Ö 4 ; ;( Ø ÙÚ6k455Û -{ ÜÝÞØ. Ñß SØ DEÒà l áð Ñ45 $ { 46 / S/âDEÒà RopÌÍ F\ãäopDEK, R Ñ45å;æ çè opk Ø l á Ð ÑS, Ké!DEä Äæ S! ÈrÆœiêëìjRí îí [Çq Æ opèræ

3 Æ lmèræ

5 í opœiìj S!Æ í lmœiìj S!Æ MNïð?)bFGMN ; 4ñ ) âr 455ÛS" rsòò ó \ôä455ûß " õösñò øòó ùìí RvwÌÍ 6 Ÿ 445úû!ü6)" ýbòóþ45îï; ky ÿ45rñ îmn [ )" / î 894:-4" 45ƒDRvw+rs jä [Çq / C894:Ö /" 45ƒD}7H r [ qo Æ " vw+ Æ

$45GÎÏ6 /0 /0 [ /[ 0 6"ñ[ " }7)"45 6 /"0 \ 45ß$

6 r 45ƒD r # 894:45ƒD # 894:45ƒD íü ÜÝ š { 6 $ # 45GÎÏ6 /0 /0 [ /[ 0 6"ñ[ " }7)"45 6 /"0 \ 45ß "

7 !Sñ øòó?~âÿ 4 ~ 4:23 " }7z"š ô Ö ) O 445 F\ä ) 7å %10) 0 894: îô Öãä }7bƒÂŸ 44 ùbâÿ4 ž"!" ij[ ) " }7z" ) /â? ÜÝ ) ž;â" " }7F\D ) ij ýìmn z" ) DŸ 445í vw +ij[" rs tu MN)"0 *! )" DE "5 N#$ ) )"k%&' k(" øþòó4â ) O " J)"*+, 4 2,) î ) ÜÝ 2,) - "4 "!.R 455ÛS 2), Äæ rs)"r «/0 "!.R 145Cß R r [ r45cß 23"5! 3 op4 \r5r" òóc lm\r6r6 ñòóc?" JS!'4 ä JopG± n ñfƒr7þ- 4 " ž 8!56 KG± 7!4 G± op\r R, K KL æ 8qopDE R" rs[ " ö99r 84 [?opde ÊË:!9%: ä ;<'=>6 94?(?!'4 RopCß ük;äæ "!. <ükg±! '4 *6=RopDE. KG±ä G±>?@opDEAB lm\r R, K KLC lmde "! ƒ <!56 KG±*DElm6=DE ÜÝ Rlm KG±F ÜÝlm\rDE!56 KG±F. k - 4!56 KG±Äæ "! ƒ <!56 KG± ÜÝ6F lmág6r#$ 24 [. k ø- 4 ü#$;äæ HµR!56 KG±F Cß : 74 åijkn#$.[. k - 4!56 KG±LM;Äæ " }7F\ 8ìj7Ò & %NOPlm Q}"DE "5DFRó LM ÜÝ6 lm ÊË & %NOPST x 99 G±?" ;op.?lm=de4 & G±?!;opqá tu yw+œiêë MPASM Released HALF_DUP.ASM :48:17 PAGE 1 LOC OBJECT CODE LINE SOURCE TEXT VALUE LIST P = 16C54, n = ; ;********************************************************************* ; RS-232 Communication With PIC16C ; ; Half Duplex Asynchronous Communication ; ; This program has been tested at Bauds from 1200 to Baud ; 8,16,20 Mhz CLKIN )

8 00010 ; ; As a test, this program will echo back the data that has been ; received ; ; Program: HALF_DUP.ASM ; Revision Date: ; Compatibility with MPASMWIN ; ;******************************************************************** ; INCLUDE <P16C5X.INC> LIST ; P16C5X.INC Standard Header File, Ver Microchip Technology, Inc LIST FF PIC54 equ 1FFH ; Define Reset Vector Same equ MSB equ ;***************** Communication Parameters ********************** ; X_MODE equ 1 ; If ( X_MODE==1) Then transmit LSB first ; if ( X_MODE==0) Then transmit MSB first (CODEC like) R_MODE equ 1 ; If ( R_MODE==1) Then receive LSB first ; if ( X_MODE==0) Then receive MSB first (CODEC like) X_Nbit equ 1 ; if (X_Nbit==1) # of data bits (Transmission is 8 else R_Nbit equ 1 ; if (R_Nbit==1) # of data bits (Reception) is 8 else ; Sbit2 equ 0 ; if Sbit2 = 0 then 1 Stop Bit else 2 Stop Bits ; ;******************************************************************** X_flag equ PA0 ; Bit 5 of F3 ( PA0 ) R_flag equ PA1 ; Bit 6 of F3 ( PA1 ) ; DX equ 0 ; Transmit Pin ( Bit 0 of Port A ) DR equ 1 ; Reciive Pin ( Bit 1 of Port A ) ; ; BAUD_1 equ.68 ; 3+3X = CLKOUT/Baud BAUD_2 equ.67 ; 6+3X = CLKOUT/Baud BAUD_3 equ.34 ; 3+3X = 0.5*CLKOUT/Baud BAUD_4 equ.86 ; 3+3X = 1.25*CLKOUT/Baud BAUD_X equ.66 ; 11+3X = CLKOUT/Baud BAUD_Y equ.66 ; 9 +3X = CLKOUT/Baud

9 00051 ; ;************************ Data RAM Assignments ********************* ; ORG 08H ; Dummy Origin ; RcvReg RES 1 ; Data received XmtReg RES 1 ; Data to be transmitted 000A Count RES 1 ; Counter for #of Bits Transmitted 000B DlyCnt RES ;*************************************************************** ; ORG ; Talk clrf RcvReg ; Clear all bits of RcvReg btfsc PORTA,DR ; check for a Start Bit A goto User ; delay for 104/2 us call Delay4 ; delay for / ;*************************************************************** ; Receiver ; Rcvr IF R_Nbit C movlw 8 ; 8 Data bits ELSE movlw 7 ; 7 data bits ENDIF ; A movwf Count R_next bcf STATUS,C IF R_MODE rrf RcvReg,Same ; to set if MSB first or LSB first ELSE rlf RcvReg,Same ENDIF btfsc PORTA,DR ; IF R_MODE IF R_Nbit E bsf RcvReg,MSB ; Conditional Assembly ELSE bsf RcvReg,MSB ENDIF

10 00093 ELSE bsf RcvReg,LSB ENDIF ; 000A 091F call DelayY 000B 02EA decfsz Count,Same 000C 0A goto R_next ;**************************************************** 000D R_over movf RcvReg,0 ; Send back What is Just Received 000E movwf XmtReg ;**************************************************** ; Transmitter ; 000F Xmtr IF X_Nbit 000F 0C movlw ELSE movlw ENDIF A movwf Count ; IF X_MODE ELSE IF X_Nbit ELSE rlf XmtReg,Same ENDIF ENDIF ; bcf PORTA,DX ; Send Start Bit call Delay X_next bcf STATUS,C ; IF X_MODE rrf XmtReg,Same ; Conditional Assembly ELSE ; to set if MSB first or LSB first rlf XmtReg,Same ENDIF ; btfsc STATUS,C bsf PORTA,DX

11 btfss STATUS,C bcf PORTA,DX call DelayX 001A 02EA decfsz Count,Same 001B 0A goto X_next 001C bsf PORTA,DX ; Send Stop Bit 001D call Delay ; IF Sbit bsf PORTA,DX call Delay ENDIF ; 001E 0A goto Talk ; Back To Reception & Transmision ; ; End of Transmission ; 001F 0C DelayY movlw BAUD_Y A goto save C DelayX movlw BAUD_X A goto save C Delay4 movlw BAUD_ A goto save C Delay1 movlw BAUD_1 ; 104 us for 9600 baud A goto save C Delay2 movlw BAUD_ B save movwf DlyCnt EB redo_1 decfsz DlyCnt,Same 002A 0A goto redo_1 002B retlw ; 002C 0C0E main movlw 0EH ; Bit 0 of Port A is Output 002D tris PORTA ; Set PORTA.0 as output ( DX ) 002E bsf PORTA,DR ; 002F 0A goto Talk ; ; C User movlw BAUD_ B movwf DlyCnt EB redo_2 decfsz DlyCnt,Same A goto redo_ A goto Talk ; Loop Until Start Bit Found ;

12 00178 ; 01FF ORG PIC54 01FF 0A2C goto main ; END MEMORY USAGE MAP ( X = Used, - = Unused) 0000 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXX C0 : X All other memory blocks unused. Program Memory Words Used: 54 Program Memory Words Free: 458 Errors : 0 Warnings : 0 reported, 0 suppressed Messages : 0 reported, 0 suppressed

13 MPASM Released RS232.ASM :12:09 PAGE 1 LOC OBJECT CODE LINE SOURCE TEXT VALUE LIST P = 16C54, n = ; ;************************************************************ TITLE RS232 Communication Using PIC16C ; ; Comments : ; (1) Full Duplex ; (2) Tested from 1200 to Mhz ) ; (3) Tested from 1200 to Baud(@ 16 & 20 Mhz) ; ; The User gets a total time as specified by the User Cycles ; in the table ( or from equations ). The user routine has to ; exactly use up this amount of time. After this time the User ; routine has to give up the control to the Operating System ; If less than 52 us is used, then the user should wait in a ; delay loop, until exactly 52 us ; ; Transmission : ; Transmit Data is output on DX pin (Bit DX of PORTA) ; In the user routine, the user should load the ; data to be transmitted in the XmtReg and Set the ; X_flag ( bsf FlagRX,X_flag ). This flag gets cleared ; after the transmission ; ; Reception : ; Data is received on pin DR ( bit DR of PORTA ) ; The User should constantly check the R_done flag ; to see if reception is over. If the reception is ; in progress, R_flag is set to ; If the reception is over, R_done flag is set to ; The R_done flag gets reset to zero when a next start ; bit is detected. So, the user should constantly check ; the R_done flag, and if SET, then the received word ; is in Register RcvReg. This register gets cleared ; when a new start bit is detected ; ; Program Memory : ; Total Program Memory Locations Used ( except initialization ; in main & User routine ) = 132 locations ;

14 00041 ; Data Memory : ; Total Data memory locations (file registers used) = ; 2 File registers to hold Xmt Data & Rcv Data ; 1 File registers for Xmt/Rcv flag test bits ; 3 File registers for delay count & scratch pad ; ; Stack : ; Only one level of stack is used in the Operating System/RS ; routine. But this is freed as soon as the program returns to ; the user routine ; ; Timer0 : Not Used ; WDT : Not Used ; ; Program: RS232.ASM ; Revision Date: ; Compatibility with MPASMWIN ; ;********************************************************************* ; INCLUDE <P16C5X.INC> LIST ; P16C5X.INC Standard Header File, Ver Microchip Technology, Inc LIST FF PIC54 equ 1FFH ; Define Reset Vector Same equ MSB equ INCLUDE <RS232.H> ;**************************************************************** ; RS232 Communication Parameters ; ; X_MODE equ 1 ; If (X_MODE==1) Then transmit LSB first ; if (X_MODE==0) Then transmit MSB first (CODEC like) R_MODE equ 1 ; If (R_MODE==1) Then receive LSB first ; if ( R_MODE==0) Then receive MSB first (CODEC like) X_Nbit equ 1 ; if (X_Nbit==1)#of data bits (Transmission) is 8 else R_Nbit equ 1 ; if (R_Nbit==1) # of data bits (Reception) is 8 else ; SB2 equ 0 ; if SB2 = 0 then 1 Stop Bit ; ; if SB2 = 1 then 2 Stop Bit ;****************************************************************

15 00015 ; Transmit & Receive Test Bit Assignments ; X_flag equ 0 ; Bit 0 of FlagRX R_flag equ 2 ; Bit 1 of FlagRX S_flag equ 3 ; Bit 2 of FlagRX BitXsb equ 4 ; Bit 3 of FlagRX A_flag equ S_bit equ 6 ; Xmt Stop Bit Flag( for 2/1 Stop bits ) ; R_done equ 1 ; When Reception complete, this bit is SET X_done equ X_flag ; When Xmission complete, this bit is Cleared ; DX equ 0 ; Transmit Pin ( Bit 0 of Port A ) DR equ 1 ; Receive Pin ( Bit 1 of Port A ) ; ;************************ Data RAM Assignments ********************* ; ORG 08H ; Dummy Origin ; RcvReg RES 1 ; Data received XmtReg RES 1 ; Data to be transmitted 000A Xcount RES 1 ; Counter for #of Bits Transmitted 000B Rcount RES 1 ; Counter for #of Bits to be Received 000C DlyCnt RES 1 ; Counter for Delay constant 000D FlagRX RES 1 ; Transmit & Receive test flag hold register ; ; Constants ; 20 Mhz ) ; ; K * ; K * 705* ; K * ; K * ; K * ; K * ; K ; K * 712* ; ; User Cycles ; ************************************************************* ; ; ; ; Constants

16 00059 ; 8 Mhz ) ; ; K ; K * ; K ; K ; K ; K ; K ; K * ; ; User_Cycles ; ************************************************************* ; ; ; Constants ; 4 Mhz ) ; ; K ; K ; K ; K ; K ; K ; K ; K ; ; User_Cycles ; ************************************************************* ; ; The constants marked * are >255. To implement these constants ; in delay loops, the delay loop should be broken into 2 or more loops ; For example, 357 = So 2 delay loops, one with 255 and ; the other with 102 may be used ;******************************************************************** ; Set Delay Constants for 9600 CLKIN = 8 Mhz ; K0 EQU K1 EQU B K2 EQU K3 EQU K4 EQU K5 EQU.24

17 K6 EQU D K7 EQU ; ;******************************************************************** ; ORG ;******************************************************************** ; C Delay movlw K C movwf DlyCnt ; Total Delay = 3K EC redo decfsz DlyCnt,Same A goto redo retlw ; C Delay1 movwf DlyCnt EC redo_1 decfsz DlyCnt,Same ; A goto redo_ A8D goto User ; C Delay2 movwf DlyCnt 000A 02EC redo_2 decfsz DlyCnt,Same ; Delay = = 260 Cycles 000B 0A0A goto redo_2 000C 0A goto User_ ; 000D R_strt btfsc PORTA,DR ; check for a Start Bit 000E 0A goto ShellY ; delay for 104/2 us 000F 042D bcf FlagRX,R_done ; Reset Receive done flag D bsf FlagRX,R_flag ; Set flag for Reception in Progress D btfss FlagRX,BitXsb AD bsf FlagRX,A_flag ; A_flag is for start bit detected in R_strt clrf RcvReg ; Clear all bits of RcvReg IF R_Nbit C movlw 8 ; 8 Data bits ELSE movlw 7 ; 7 data bits ENDIF B movwf Rcount A goto Shell ; delay for / ; D ShellY btfss FlagRX,BitXsb A goto Shell D bsf FlagRX,R_flag 001A 0A goto Shell

18 00107 ; 001B R_next bcf STATUS,C IF R_MODE 001C rrf RcvReg,Same ; to set if MSB first or LSB first ELSE rlf RcvReg,Same ENDIF 001D btfsc PORTA,DR IF R_MODE IF R_Nbit 001E 05E bsf RcvReg,MSB ; Conditional Assembly ELSE bsf RcvReg,MSB ENDIF ELSE bsf RcvReg,LSB ENDIF 001F 02EB decfsz Rcount,Same A goto Shell D bcf FlagRX,R_flag D bsf FlagRX,S_flag D bsf FlagRX,R_done A goto Shell ; ; Reception Done ; X_strt bcf PORTA,DX ; Send Start Bit IF X_Nbit C movlw ELSE movlw ENDIF A movwf Xcount IF X_MODE ELSE IF X_Nbit ELSE rlf XmtReg,Same ENDIF ENDIF A goto X_SB ; X_next bcf STATUS,C IF X_MODE

19 002A rrf XmtReg,Same ; Conditional Assembly ELSE ; to set if MSB first or LSB first rlf XmtReg,Same ENDIF 002B btfsc STATUS,C 002C bsf PORTA,DX 002D btfss STATUS,C 002E bcf PORTA,DX 002F 00EA decf Xcount,Same A goto X_Data ; D X_SB_1 bcf FlagRX,X_flag ; Xmt flag = 0 -- transmission over C movlw A movwf Xcount bsf PORTA,DX ; Send Stop Bit A goto X_Stop ; X_SB_2 bsf PORTA,DX CD bcf FlagRX,S_bit A goto X_Stop ; ; End of Transmission ; D R0_X0 btfss FlagRX,S_flag 003A 0A8D goto User 003B 046D bcf FlagRX,S_flag 003C call Delay 003D 0C2E movlw K E 0A goto Delay ; 003F R1_X0 003F call Delay C movlw K1+1 ; delay for 1st bit is / C movwf DlyCnt IF R_Nbit C movlw 8 ; 8 Data bits ELSE movlw 7 ; 7 data bits ENDIF B xorwf Rcount,W btfsc STATUS,Z A goto redo_ C1C movlw K A goto Delay1

20 00195 ; R1_X1 ; same as R0_X C R0_X1 movlw A subwf Xcount,W 004A btfsc STATUS,Z 004B 0A goto X_strt 004C 022A movf Xcount,Same ; to check if All data bits Xmted 004D btfss STATUS,Z 004E 0A goto X_next IF SB btfsc FlagRX,S_bit goto X_SB_ bsf FlagRX,S_bit goto X_SB_ ELSE 004F 0A goto X_SB_ ENDIF ; ; A X_SB goto cycle A cycle4 goto X_Data ; AD X_Data btfsc FlagRX,A_flag A goto SbDly D btfsc FlagRX,BitXsb A5D goto ABC call Delay C movlw K A goto Delay ; AD SbDly bcf FlagRX,A_flag 005A call Delay 005B 0C movlw K C 0A goto Delay ; 005D 048D ABC bcf FlagRX,BitXsb 005E call Delay 005F 0A goto User_ ; X_Stop AD btfsc FlagRX,A_flag A goto SbDly D btfsc FlagRX,BitXsb A5D goto ABC

21 call Delay C movlw K A goto Delay ; D User_1 btfsc FlagRX,R_flag A goto Sync_1 ; Reception already in progress D btfsc FlagRX,S_flag 006A 0A goto Sync_3 006B btfsc PORTA,DR ; check for a Start Bit 006C 0A goto Sync_2 ; No Start Bit - goto User routine 006D 042D bcf FlagRX,R_done ; Reset Receive done flag 006E 044D bcf FlagRX,R_flag 006F 058D bsf FlagRX,BitXsb ; Set flag for Reception in Progress clrf RcvReg ; Clear all bits of RcvReg IF R_Nbit C movlw 8 ; 8 Data bits ELSE movlw 7 ; 7 data bits ENDIF B movwf Rcount A8D goto User ; D Sync_3 bcf FlagRX,S_flag C movlw K A goto Delay ; Sync_ A8D Sync_2 goto User ; ;******************************************************************** ; D Shell btfsc FlagRX,R_flag A7D goto Chek_X 007A 060D btfsc FlagRX,X_flag 007B 0A goto R0_X1 007C 0A goto R0_X0 ; Case for R0_X0 007D 060D Chek_X btfsc FlagRX,X_flag 007E 0A goto R1_X1 007F 0A3F goto R1_X ; ; ;******************************************************************** ; Operating System ; The User routine after time = B/2, should branch Here

22 00283 ; D Op_Sys btfss FlagRX,R_flag A0D goto R_strt A1B goto R_next ; ;******************************************************************** ; C0E main movlw 0EH ; Bit 0 of Port A is Output tris PORTA ; Set PORTA.0 as output ( DX ) ; & PORTA.1 is input ( DR ) bsf PORTA,DX C movlw A movwf Xcount ; If Xcount == 9, Then send start bit D clrf FlagRX ; Clear All flag bits IF SB bsf FlagRX,S_bit ; Set Xmt Stop bit flag(2 Stop Bits) ELSE CD bcf FlagRX,S_bit ; Clear Xmt Stop bit flag ENDIF 008A 0C1F movlw 1FH ; Prescaler = 4 008B OPTION ; Set TMR0 increment on internal Clock 008C 0A goto Op_Sys ; ;******************************************************************** ; ; ******************* User Routine *************** ; The User routine should use up time exactly = User time as given ; in the Constants Table ( or by Equations for constants ) ; At 9600, this 86 Clock Cycles. TMR0 timer is used here to count ; upto 86 cycles ( From To 0 ) by examining Bit 7 of TMR ; K_user equ ; 008D 0C User movlw K_user 008E movwf TMR0 008F 062D btfsc FlagRX,R_done A goto ErrChk D SetXmt btfsc FlagRX,X_flag A9C goto Op C movlw 41H movwf XmtReg D bsf FlagRX,X_flag ; Enable Xmission A9C goto Op ;

23 ErrChk C5A movlw Z xorwf RcvReg,W btfsc STATUS,Z 009A 0A goto SetXmt 009B 0A9B err1 goto err1 ; Received word is not Z ; 009C 07E Op btfss TMR0,MSB ; Test for TMR0 bit 7 009D 0A9C goto Op ; If Set, Then TMR0 has incremented 009E 0A Oflow goto Op_Sys ; to ; ; *********************************************************** ; 01FF ORG PIC54 01FF 0A goto main END MEMORY USAGE MAP ( X = Used, - = Unused) 0000 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX 0040 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX 0080 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXX C0 : X All other memory blocks unused. Program Memory Words Used: 160 Program Memory Words Free: 352 Errors : 0 Warnings : 0 reported, 0 suppressed Messages : 0 reported, 0 suppressed tu vw+œiêëä

24 深圳市英锐恩科技有限公司全球销售及服务网点单片机集成方案全方位解决服务商优质智能电子产品芯方案解决商联系信息 : 深圳市英锐恩科技有限公司 ENROO-TECH(SHENZHEN)CO.,LTD 中国深圳市福田区福华路嘉汇新城汇商中心 27 楼 2701 Enroo-Tech Technologies CO., Limited Light-Tech International Limited 香港新界荃灣沙咀道號科技中心 5 樓 5 室联系电话 : , , , , 联系传真 : 联系邮件 :enroo@enroo.com 公司网站 : ; Add: 深圳市福田区福华路嘉汇新城汇商中心 27 楼 2701 Tel: , Fax:

AN579

AN579 深圳市英锐恩科技有限公司单片机集成方案全方位解决服务商优质智能电子产品芯方案解决商 Microchip 产品用户参考手册深圳市英锐恩科技有限公司 ENROO-TECH(SHENZHEN)CO.,LTD 中国深圳市福田区福华路嘉汇新城汇商中心 27 楼 2701 Enroo-Tech Technologies CO., Limited Light-Tech International Limited