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3.1.5 µÑÇÍÂ Ò§¡ÒÃãª §Ò¹ ZX-BLUETOOTH ¡Ñº i-Stamp ´ ÇÂºÍÃ ´ SCi-BOX 3.1.5.1 µÑÇÍÂ Ò§·Õè 1 ¡ÒÃÃÑºÊ §¢ ÍÁÙÅÃÐËÇ Ò§ i-Stamp ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼ Ò¹ ZX BLUETOOTH áÅÐ USB ºÅÙ·¸Ù ´Í§à¡ÔÅ à¹×Íè §¨Ò¡ ZX-BLUETOOTH äÁ µÍ §ãª ¤Òí ÊÑ§è ã¹¡ÒÃ¤Çº¤ØÁ¡ÒÃ·íÒ§Ò¹ã´æ ÊÒÁÒÃ¶ÃÑºáÅÐÊ § ¢ ÍÁÙÅÍ¹Ø¡ÃÁ¼ Ò¹ÊÑÒ³ºÅÙ·¸Ù ´ ÇÂ Serial Port Profile ä´ ÍµÑ â¹ÁÑµËÔ ÅÑ§¨Ò¡àª×Íè Áµ ÍÍØ»¡Ã³ ºÅÙ·¸Ù µÑÇáÁ áÅ Ç ¤íÒÊÑ§è ·Õãè ª ã¹¡ÒÃÃÑºÊ §¢ ÍÁÙÅÍ¹Ø¡ÃÁ¢Í§ i-Stamp ¡Ñº ZX-BLUETOOTH ¤×Í SERIN ÊíÒËÃÑº ÃÑº¢ ÍÁÙÅ áÅÐ SEROUT ÊíÒËÃÑºÊ §¢ ÍÁÙÅ¼ Ò¹ ZX-BLUETOOTH ÃÙ»áºº¡ÒÃµÑ§é ¤ Ò¢Í§¡ÒÃÊ §¢ ÍÁÙÅÍ¹Ø¡ÃÁ¤×Í ÍÑµÃÒºÍ´ (BaudRate) 9600 bps ¤ÇÒÁÂÒÇ¢ ÍÁÙÅ 8 ºÔµ ºÔµËÂØ´ 1 ºÔµ äÁ Á¾Õ ÒÃÔµºÕé µÔ ÊÒÁÒÃ¶¤íÒ¹Ç³à» ¹¤ Ò¾ÒÃÒÁÔàµÍÃ ÊÒí ËÃÑº¤íÒÊÑ§è SERIN áÅÐ SEROUT ä´ à» ¹ 240 3.1.5.1.1 àª×Íè Áµ Í SCi-BOX ¡Ñº ZX-BLUETOOTH ´Ñ§ÃÙ»·Õè 11 3.1.5.1.2 à¢ÕÂ¹â»Ãá¡ÃÁ·Õè 1 áÅ Ç´ÒÇ¹ âËÅ´â»Ãá¡ÃÁä»ÂÑ§ i-Stamp

POWER DC. IN 6-16V

SCi-BOX

P12 SOUND

SENSOR3

P11 P10

SENSOR2 SENSOR1 SENSOR0

Stepper motor Co-processor

ADC

Co-processor

Fit jumper at RELAY position to select Relay driver circuit

RELAY

+ TxD RxD GND

P13 : A/D

000A3A 21D5BB

TxD

RxD

SENSOR4

ZX-BLUETOOTH

i-Stamp

RESET

MOTOR

SENSOR5

STATUS

SENSOR6

ADC

Co-processor

BASIC Stamp in Science Experiment

SENSOR7

SERIAL PORT

RELAY 12V 5A

STEPPER MOTOR1

P11 RELAY P10 RELAY

P9 RELAY

P8 RELAY

MOTOR A

INV-A

INV-B

P8-P9 MotorA P10-P11 MotorB

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3.1.5.1.3 ´ Ò¹¤ÍÁ¾ÔÇàµÍÃ ·ãÕè ª ã¹¡ÒÃµÔ´µ Í¡Ñº SCi-BOX ãË ·Òí ¡ÒÃà» ´¡ÒÃ·íÒ§Ò¹¢Í§Ç§¨Ã ºÅÙ·¸Ù ¨Ò¡¹Ñ¹é ·íÒ¡ÒÃ¨Ñº¤Ù¡ ºÑ ZX-BLUETOOTH ·Ò§½ § äÁâ¤Ã¤Í¹â·ÃÅàÅÍÃ áÅ Çàª×Íè Áµ Í¼ Ò¹·Ò§ Serial Port Service 3.1.5.1.4 à» ´â»Ãá¡ÃÁ HyperTerminal µÑ§é ¤ Ò¾ÍÃ µãË µÃ§¡Ñº¾ÍÃ µÍ¹Ø¡ÃÁ¨íÒÅÍ§·ÕÊè Ã Ò§¢Ö¹é áÅ Ç¡íÒË¹´ÃÙ»áºº¡ÒÃÃÑºÊ §¢ ÍÁÙÅà» ¹ÍÑµÃÒºÍ´ 9600 ºÔµµ ÍÇÔ¹Ò·Õ 8 ºÔµ¢ ÍÁÙÅ 1 ºÔµËÂØ´ áÅÐäÁ ÁÕ¾ÒÃÔµÕé (8N1) 3.1.5.1.5 ÃÑ¹â»Ãá¡ÃÁ·Õºè ÍÃ ´ SCi-BOX ÊÑ§à¡µ¼Å¡ÒÃ·íÒ§Ò¹¼ Ò¹·Ò§Ë¹ Òµ Ò§ Hyper Terminal

¡´¤ÕÂÊ § ¢ ÍÁÙÅ¨Ò¡¤ÍÁ¾ÔÇàµÍÃ ·ÕËè ¹ Òµ Ò§ HyperTerminal Ë¹ Òµ Ò§ HyperTerminal '

¾ÍÃ µÍ¹Ø¡ÃÁ¨íÒÅÍ§ ·Õàè ¡Ô´¨Ò¡ Serial Port Service

¢ ÍÁÙÅ¶Ù¡Ê §ÍÍ¡ÍÒ¡ÒÈ ä»ÂÑ§ ZX-BLUETOOTH

áÊ´§¢ ÍÁÙÅ·ÕËè ¹ Òµ Ò§ HyperTerminal

¢ ÍÁÙÅ¶Ù¡Ê §ÍÍ¡ÍÒ¡ÒÈ ä»ÂÑ§ÍØ»¡Ã³ ºÅÙ ·Ù¸·Ò§ ½ § ¤ÍÁ¾ÔÇàµÍÃ POWER DC. IN 6-16V

SCi-BOX

P12 SOUND

SENSOR3

P11 P10

SENSOR2 SENSOR1 SENSOR0

Stepper motor Co-processor

ADC

Co-processor

Fit jumper at RELAY position to select Relay driver circuit

RELAY

RELAY 12V 5A

TxD

RxD

$ MOTOR

RELAY 12V 5A

STEPPER MOTOR1

P11 RELAY P10 RELAY

000A3A 21D5BB

+ TxD RxD GND

P13 : A/D

SENSOR4

ZX-BLUETOOTH

i-Stamp

RESET

SENSOR5

STATUS

SENSOR6

ADC

Co-processor

BASIC Stamp in Science Experiment

SENSOR7

SERIAL PORT

P9 RELAY

P8 RELAY

MOTOR A

INV-A

INV-B

P8-P9 MotorA P10-P11 MotorB

¢ ÍÁÙÅà¢ ÒÁÒä»ÂÑ§ i-Stamp

Ê §¢ ÍÁÙÅ¤ Ò¢Í§¤ÕÂ· ÃÕè ºÑ ä´ ¡ÅÑºä»¾Ã ÍÁ¡Ñº ÃËÑÊËÁÒÂàÅ¢¢ ÍÁÙÅ

ÃÙ»·Õè 12 áÊ´§ÅíÒ´Ñº¡ÒÃ·íÒ§Ò¹¢Í§¡ÒÃÃÑºÊ §¢ ÍÁÙÅÍ¹Ø¡ÃÁÃÐËÇ Ò§ SCI-BOX ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹·Ò§ ÍØ»¡Ã³ ºÅÙ·¸Ù

ZX-BLUETOOTH

á¼§Ç§¨ÃÊ×Íè ÊÒÃ¢ ÍÁÙÅäÃ ÊÒÂ¼ Ò¹âÁ´ÙÅºÅÙ·¸Ù áººÊàÅ¿

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‘ {$STAMP BS2sx} ‘ {$PBASIC 2.5} TX CON 0 RX CON 1 BAUD CON 240 Ack VAR Byte i VAR Word main:SERIN RX,BAUD,[Ack] i = i+1 SEROUT TX, BAUD, [DEC4 i, “ “, Ack, CR, LF] GOTO main

¤íÒÍ¸ÔºÒÂâ»Ãá¡ÃÁ â»Ãá¡ÃÁ¹Õàé ºÊÔ¡áÊµÁ» ¨ÐÃÑº¢ ÍÁÙÅ¨Ò¡â»Ãá¡ÃÁ HyperTerminal ¼ Ò¹·Ò§¾ÍÃ µÍ¹Ø¡ÃÁ¨íÒÅÍ§¢Í§ ºÅÙ·¸Ù ¨Ò¡à¤Ã×Íè §¤ÍÁ¾ÔÇàµÍÃ áÅ Ç¹íÒÁÒà¾ÔÁè ¤ ÒµÑÇá»Ã i ¨Ò¡¹Ñ¹é Ê §¤ ÒµÑÇá»Ã i ª Í§Ç Ò§ ¢ ÍÁÙÅ·ÕÃè ºÑ ä´ áÅÐµÑÇ ÍÑ¡¢ÃÐ Carrier Return à¾×Íè ¢Ö¹é ºÃÃ·Ñ´ãËÁ ¡ÅÑºä»·Õàè ¤Ã×Íè §¤ÍÁ¾ÔÇàµÍÃ à¾×Íè áÊ´§º¹Ë¹ Òµ Ò§ HyperTerminal

â»Ãá¡ÃÁ·Õè 1 â»Ãá¡ÃÁ·´ÊÍº¡ÒÃÃÑºÊ §¢ ÍÁÙÅàº×Íé §µ ¹ÃÐËÇ Ò§ i-Stamp ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹âÁ´ÙÅ ZXBLUETOOTH áÅÐÍØ»¡Ã³ ºÅÙ·¸Ù º¹¤ÍÁ¾ÔÇàµÍÃ (ä¿Å EX_Pc01.bsx - ´ÒÇ¹ âËÅ´ä´ ¨Ò¡ www.inex.co.th) ¡ÃÐºÇ¹¡ÒÃ·íÒ§Ò¹·Ñ§é ËÁ´áÊ´§ã¹ÃÙ»·Õè 11 àÁ×Íè àÃÔÁè µ ¹Ë¹ Òµ Ò§¢Í§ Hyper Terminal ¨ÐÇ Ò§ ¨Ò¡¹Ñ¹é ãË ¡´¤ÕÂã ´æ ·Õ¤è ÂÕ º ÍÃ ´¢Í§¤ÍÁ¾ÔÇàµÍÃ ã¹·Õ¹è ·Õé ´ÅÍ§¡´¤ÕÂ a ¢ ÍÁÙÅ¢Í§ÍÑ¡ÉÃ a ¨Ð¶Ù¡ Ê §ÍÍ¡¨Ò¡¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹¾ÍÃ µÍ¹Ø¡ÃÁ¨íÒÅÍ§·Õàè ¡Ô´¨Ò¡ Service ¢Í§ºÅÙ·¸Ù ÍÍ¡ÍÒ¡ÒÈÁÒÂÑ§âÁ´ÙÅ ZX-BLUETOOTH áÅ ÇÊ §à¢ Òä»ÂÑ§ i-Stamp ¨Ò¡¹Ñ¹é i-Stamp ¨ÐÊ §¢ ÍÁÙÅà´ÔÁ¹Ñ¹é ¡ÅÑºÁÒÂÑ§¤ÍÁ¾ÔÇàµÍÃ ¾Ã ÍÁ¡ÑºàÅ¢·Õ¢è Í§¢ ÍÁÙÅ «Ö§è ¨ÐÁÒ»ÃÒ¡¯·ÕËè ¹ Òµ Ò§¢Í§ Hyper Terminal à» ¹ 0001 a ËÁÒÂ¶Ö§ ÃÑº ¢ ÍÁÙÅµÑÇ·Õè 1 à» ¹µÑÇÍÑ¡ÉÃ a ´Ñ§ÃÙ»·Õè 13 ¨Ò¡¹Ñ¹é ·´ÅÍ§Ê §¤ Ò¢Í§µÑÇÍÑ¡ÉÃÍ×¹è æ µÒÁµ Í§¡ÒÃ

ÃÙ»·Õè 13 Ë¹ Òµ Ò§ HyperTerminal áÊ´§¼Å¡ÒÃ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ·Õè 1 ÍÑ¹à» ¹¡ÒÃÃÑºÊ §¢ ÍÁÙÅÍÂ Ò§§ ÒÂ ÃÐËÇ Ò§ i-Stamp º¹ºÍÃ ´ SCi-BOX ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹·Ò§ ZX-BLUETOOTH

12 l ZX-BLUETOOTH

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3.1.5.2 µÑÇÍÂ Ò§·Õè 2 ¡ÒÃÊ×Íè ÊÒÃ¢ ÍÁÙÅÃÐËÇ Ò§ i-Stamp ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ ZX-BLUETOOTH ã¹¡ÒÃãª §Ò¹¨ÃÔ§ ÍØ»¡Ã³ ÊàÅ¿¨Ðµ Í§Ê×Íè ÊÒÃ¡Ñº¤ÍÁ¾ÔÇàµÍÃ à¾×Íè ÃÑº¤íÒÊÑ§è áÅÐÊ §¢ ÍÁÙÅ¡ÅÑº «Ö§è ¨Ðµ Í§ÁÕ¢Í ¤ÇÒÁËÃ×Í¤íÒÊÑ§è ÊíÒËÃÑºá¨ §ËÃ×ÍáÊ´§Ê¶Ò¹Ð µÑÇÍÂ Ò§¹Õãé ª ºÍÃ ´ SCi-BOX à» ¹ÍØ»¡Ã³ ÊàÅ¿ ãË ÍÒ ¹¤ Ò¢Í§µÑÇµÃÇ¨¨Ñº¨Ò¡ª Í§ÊÑÒ³ SENSR0 ¶Ö§ 7 ¡ÒÃàª×Íè Áµ ÍàËÁ×Í¹¡ÑºµÑÇÍÂ Ò§·Õè 1 3.1.5.2.1 à¢ÕÂ¹â»Ãá¡ÃÁ·Õè 2 áÅ Ç´ÒÇ¹ âËÅ´â»Ãá¡ÃÁä»ÂÑ§ i-Stamp 3.1.5.2.2 àª×Íè Áµ Í¤ÍÁ¾ÔÇàµÍÃ ¡ºÑ ºÍÃ ´ i-Stamp ¼ Ò¹·Ò§ºÅÙ·¸Ù ´ ÇÂ Serial Port Service 3.1.5.2.3 à» ´â»Ãá¡ÃÁ HyperTerminal µÑ§é ¤ Ò¾ÍÃ µãË µÃ§¡Ñº¾ÍÃ µÍ¹Ø¡ÃÁ¨íÒÅÍ§·ÕÊè Ã Ò§¢Ö¹é 3.1.5.2.4 ÃÑ¹â»Ãá¡ÃÁ ÊÑ§à¡µ¼Å¡ÒÃ·íÒ§Ò¹¼ Ò¹·Ò§Ë¹ Òµ Ò§ Hyper Terminal àÁ×Íè àÃÔÁè µ ¹ Ë¹ Òµ Ò§¢Í§ Hyper Terminal ¨ÐáÊ´§¢ Í¤ÇÒÁ BASIC Stamp with ZX-BLUETOOTH press number to read data(0-7)

µ Íá¼§Ç§¨ÃµÑÇµÃÇ¨¨ÑºáººÍÐ¹ÒÅÍ¡ ÍÒ·Ô á¼§Ç§¨ÃµÑÇµ Ò¹·Ò¹»ÃÑº¤ Òä´ (POTENTIOMETER) «Ö§è ÁÕÁÒã¹ªØ´¢Í§ SCi-BOX à¢ Ò·Õ¨è ´Ø µ Í SENSOR0 ¶Ö§ 7 (â´ÂàÅ×Í¡µ ÍµÒÁµ Í§¡ÒÃ) ¨Ò¡¹Ñ¹é ¡´¤ÕÂ µÑÇàÅ¢ 0 ¶Ö§ 7 µÒÁµ Í§¡ÒÃà¾×Íè Í Ò¹¤ Ò¨Ò¡ª Í§ SENSOR0 ¶Ö§ 7 ¢Í§ºÍÃ ´ SCi-BOX ¨Ò¡¹Ñ¹é i-Stamp ¨ÐÊ § ¤ Ò¡ÅÑºÁÒ ËÒ¡¡´ 0 ¨ÐáÊ´§¢ Í¤ÇÒÁ´Ñ§¹Õé Data Ch 0 = xxxx

â´Â·Õè xxxx ¤×Í¢ ÍÁÙÅã¹ª Ç§ 0 ¶Ö§ 1023 ¼Å¡ÒÃ·íÒ§Ò¹º¹Ë¹ Òµ Ò§ Hyper Terminal áÊ´§´Ñ§ã¹ÃÙ»·Õè 14

ÃÙ»·Õè 14 Ë¹ Òµ Ò§ HyperTerminal áÊ´§¼Å¡ÒÃ·íÒ§Ò¹¢Í§â»Ãá¡ÃÁ·Õè 2 ÍÑ¹à» ¹¡ÒÃÊ×èÍÊÒÃ¢ ÍÁÙÅ ÃÐËÇ Ò§ i-Stamp º¹ºÍÃ ´ SCi-BOX ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹·Ò§ ZX-BLUETOOTH

ZX-BLUETOOTH

á¼§Ç§¨ÃÊ×Íè ÊÒÃ¢ ÍÁÙÅäÃ ÊÒÂ¼ Ò¹âÁ´ÙÅºÅÙ·¸Ù áººÊàÅ¿

‘ {$STAMP BS2sx} ‘ {$PBASIC 2.5} TX CON 0 RX CON 1 BAUD CON 240 SD PIN 13

‘ ‘ ‘ ‘

VALUE CH

‘ VALUE as SENSOR1-8 variable ‘ Channel variable

VAR Word VAR Byte

Connect Connect 9600bps Sci-BOX

l 13

to ZX-BLUETOOTH RX pin to ZX-BLUETOOTH TX pin constant serial communication port

SEROUT TX,BAUD,[“BASIC Stamp with ZX-BLUETOOTH.”,CR,LF] main: SEROUT TX,BAUD,[“press number to read data(0-7) > “] SERIN RX,BAUD,[STR CH\1] IF (CH < 48) OR (CH > 55) THEN SEROUT TX,BAUD,[“Error”,CR,LF] GOTO main ENDIF SEROUT TX,BAUD,[CH,CR,LF] GOSUB Read_Sensor SEROUT TX,BAUD,[“Data Ch “,CH,” = “,DEC4 value,CR,LF] GOTO main Read_Sensor: LOW SD : PAUSE 1 : HIGH SD ‘ Break signal SEROUT SD,BAUD,[CH] ‘ Request SENSOR SERIN SD,BAUD,[VALUE.LOWBYTE,VALUE.HIGHBYTE] ‘ Received data 2 byte to 1 word RETURN

¤íÒÍ¸ÔºÒÂâ»Ãá¡ÃÁ àÁ×Íè àÃÔÁè â»Ãá¡ÃÁ i-Stamp Ê §¢ Í¤ÇÒÁä»ÂÑ§¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ ZX-BLUETOOTH à¾×Íè áÊ´§¢ Í¤ÇÒÁµ Ò§æ º¹Ë¹ Òµ Ò§ HyperTerminal ¨Ò¡¹Ñ¹é ÃÍÃÑº¢ ÍÁÙÅà¾×Íè àÅ×Í¡ª Í§ÊÑÒ³¢Í§µÑÇµÃÇ¨¨Ñº¨Ò¡¤ÍÁ¾ÔÇàµÍÃ àÁ×Íè ä´ áÅ Ç¨Ð·íÒ¡ÒÃµÃÇ¨ÊÍº¢ ÍÁÙÅÇ Òà» ¹¢ ÍÁÙÅÍÑ¡ÉÃ 0 ¶Ö§ 7 ËÃ×ÍäÁ ¶ ÒäÁ ãª i-Stamp ¨ÐÊ §¢ Í¤ÇÒÁ Error ¡ÅÑºä»ÂÑ§¤ÍÁ¾ÔÇàµÍÃ ¶ Òà» ¹µÑÇÍÑ¡ÉÃ 0 ¶Ö§ 7 ¶Ù¡µ Í§ i-Stamp ¨ÐÍ Ò¹¤ Ò¨Ò¡µÑÇµÃÇ¨¨ÑºáÅ ÇÊ §¢ ÍÁÙÅ¢Í§ª Í§ÊÑÒ³ ¹Ñ¹é æ ¡ÅÑºä»ÂÑ§¤ÍÁ¾ÔÇàµÍÃ

â»Ãá¡ÃÁ·Õè 2 â»Ãá¡ÃÁ·´ÊÍº¡ÒÃÊ×Íè ÊÒÃ¢ ÍÁÙÅÃÐËÇ Ò§ i-Stamp º¹ºÍÃ ´ SCI-BOX ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ âÁ´ÙÅ ZX-BLUETOOTH áÅÐÍØ»¡Ã³ ºÅÙ·¸Ù º¹¤ÍÁ¾ÔÇàµÍÃ (ä¿Å EX_Pc02.bsx - ´ÒÇ¹ âËÅ´ä´ ¨Ò¡ www.inex.co.th)

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3.2.2 ¡ÒÃàª×Íè Áµ Í·Ò§ÎÒÃ ´áÇÃ ã¹ÃÙ»·Õè 15 áÊ´§¡ÒÃàª×èÍÁµ Í·Ò§ÎÒÃ ´áÇÃ à¾×èÍãª §Ò¹ ZX-BLUETOOTH ¡Ñº ATmega16 º¹ºÍÃ ´ VX-Mega16 áÅÐ¤ÍÁ¾ÔÇàµÍÃ ã¹µÑÇÍÂ Ò§¹Õµé Í ¨Ø´ RxD (PD0) ¢Í§ VX-Mega16 ¡Ñº TxD ¢Í§ ZX-BLUETOOTH áÅÐ TxD (PD1) ¢Í§ VX-Mega16 µ Í¡Ñº RxD ¢Í§ ZX-BLUETOOTH àÊÕÂº USB Bluetooth Dongle à¢ Ò¡Ñº¾ÍÃ µ USB *

* ¶ Ò¤ÍÁ¾ÔÇàµÍÃ ÁÇÕ §¨ÃºÅÙ·¸Ù ã¹µÑÇ ÊÒÁÒÃ¶¢ ÒÁ¢Ñ¹é µÍ¹¹Õäé »ä´ PA7

PA6 PA0

ATMEGA16

PA2

PA1

+ Vin -

PA3

VX - Mega16 >>> Activity Board

PD1

PD7

PD0

PD6

ISP

TxD

PD5

PB4

VX-Mega16

RxD

PD4

PB2 SW3

PD3

PB0

PB3

SW2

TxD

PD2

PB1

SW1 RESET

)!) ,#**

+ TxD RxD GND

RS-232

SDA

STATUS

ZX-BLUETOOTH

PORTC

LCD

DC input

OFF

PA4

PA5

GND PC0 PC1 PC2 PC3 PC4 PC5 PC6 PC7 +5V

SCL

KNOB PA7

RxD

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ÃÙ»·Õè 15 ¡ÒÃµ Íãª §Ò¹ ZX-BLUETOOTH ¡Ñº ATmega16 º¹ºÍÃ ´ VX-Mega16

ZX-BLUETOOTH

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3.2.3 àµÃÕÂÁ¡ÒÃãª §Ò¹ ZX-BLUETOOTH ¡ÑººÅÙ·¸Ù ¢Í§¤ÍÁ¾ÔÇàµÍÃ ¨ÐÁÕ¢¹Ñé µÍ¹·Ñ§é ËÁ´àËÁ×Í¹¡ÑºµÑÇÍÂ Ò§ã¹ËÑÇ¢ Í 3.1.3 áÅÐ 3.1.4

3.2.4 ¾Ñ²¹Òâ»Ãá¡ÃÁ·Ò§½ § âÁâ¤Ã¤Í¹â·ÃÅàÅÍÃ ¡ÒÃ¾Ñ²¹Òâ»Ãá¡ÃÁãË á¡ ATmega16 ã¹µÑÇÍÂ Ò§¹Õãé ª â»Ãá¡ÃÁÀÒÉÒ C â´Â¾Ñ²¹Ò¼ Ò¹·Ò§ ªØ´«Í¿µ áÇÃ AVR Studio4 áÅÐãª WINAVR ã¹¡ÒÃ¤ÍÁä¾Å â»Ãá¡ÃÁÀÒÉÒ C ÊÃ Ò§â»Ãà¨ç¡µ ãËÁ â´ÂµÑ§é ª×Íè à» ¹ zx_bluetooth áÅ Çà¢ÕÂ¹â»Ãá¡ÃÁ·Õè 3 ·íÒ¡ÒÃ¤ÍÁä¾Å áÅ Ç´ÒÇ¹ âËÅ´Å§ÊÙº ÍÃ ´ VX-Mega16 (´ÒÇ¹ âËÅ´ä¿Å µÇÑ ÍÂ Ò§ä´ ·Õè www.inex.co.th)

3.2.5 ¢Ñ¹é µÍ¹¡ÒÃ·´ÊÍº 3.2.5.1 ¨ ÒÂä¿àÅÕÂé §ãË ¡ºÑ ºÍÃ ´ VX-Mega16 3.2.5.2. ¡´ÊÇÔµª RESET à¾×Íè àÃÔÁè µ ¹ÃÑ¹â»Ãá¡ÃÁ 3.2.5.3 ´ Ò¹¤ÍÁ¾ÔÇàµÍÃ ·ãÕè ª ã¹¡ÒÃµÔ´µ Í¡Ñº SCi-BOX ãË ·Òí ¡ÒÃà» ´¡ÒÃ·íÒ§Ò¹¢Í§Ç§¨ÃºÅÙ·¸Ù ¨Ò¡¹Ñ¹é ·íÒ¡ÒÃ¨Ñº¤Ù¡ ºÑ ZX-BLUETOOTH ·Ò§½ § äÁâ¤Ã¤Í¹â·ÃÅàÅÍÃ áÅ Çàª×Íè Áµ Í¼ Ò¹·Ò§ Serial Port Service 3.2.5.4 à» ´â»Ãá¡ÃÁ HyperTerminal µÑé§¤ Ò¾ÍÃ µãË µÃ§¡Ñº¾ÍÃ µÍ¹Ø¡ÃÁ¨íÒÅÍ§·ÕèÊÃ Ò§¢Öé¹ áÅ Ç¡íÒË¹´ÃÙ»áºº¡ÒÃÃÑºÊ §¢ ÍÁÙÅà» ¹ÍÑµÃÒºÍ´ 9600 ºÔµµ ÍÇÔ¹Ò·Õ 8 ºÔµ¢ ÍÁÙÅ 1 ºÔµËÂØ´ áÅÐäÁ ÁÕ¾ÒÃÔµÕé (8N1)

ÃÙ»·Õè 16 áÊ´§Ë¹ Òµ Ò§â»Ãá¡ÃÁ HyperTerminal ÃÙ»·Õè 17 Ë¹ Òµ Ò§â»Ãá¡ÃÁ HyperTerminal áÊ´§ ¢³ÐáÊ´§¼Å¤ ÒÍÐ¹ÒÅÍ¡·ÕÊè § ¼ Ò¹ÍØ»¡Ã³ ºÅÙ·¸Ù Ê¶Ò¹Ð¢Í§¡ÒÃËÂØ´Ê §¢ ÍÁÙÅ

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//—————————————————————————————————————————————————————————————————————————// // Program : Example of Bluetooth data communication // Description : Sending KNOB value to show on terminal program via bluetooth // Frequency : 16MHz // Filename : zx_bluetooth.c //—————————————————————————————————————————————————————————————————————————// #include <avr/io.h> // Header file for AVR MCU #include <avr/interrupt.h>// Header file for use sei() function #include <avr/signal.h> // Header file for use define vector interrupt #include <lcd.h> // Library for lcd display #include <analog.h> // Library for read KNOB value #include <stdlib.h> // Library for used ltoa function #define F_OSC 16000000 // Constant for Crystal frequency in Hz #define UART_BAUD_CALC(x,F_OSC) ((F_OSC)/((x)*16l)-1) // Baudrate equation unsigned char key=0; // For Keep character //————————————— Function for initial USART ——————————// void uart_init(unsigned int baud) { UBRRH = (unsigned int)(UART_BAUD_CALC(baud,F_OSC)>>8); // Keep baudrate high byte UBRRL = (unsigned int)UART_BAUD_CALC(baud,F_OSC); // Keep baudrate low byte // Enable receiver and transmitter, enable RX interrupt UCSRB |= (1 << RXEN) | (1 << TXEN) | (1 << RXCIE); // Asynchronous 8N1 UCSRC |= (1 << URSEL) | (1 << UCSZ1)| (1 << UCSZ0); sei(); // enable interrupts } //————————————— Function for send 1 character —————————// void uart_putc(unsigned char c) { while(!(UCSRA & (1 << UDRE))); // Wait for transmit Ready UDR = c; // send character } //————————————— Function for sending string ———————————// void uart_puts(char *s) { while (*s) // Loop for send string { uart_putc(*s); // Send character s++; // Point to next character } }

â»Ãá¡ÃÁ·Õè 3 â»Ãá¡ÃÁÀÒÉÒ C ä¿Å zx_bluetooch.c ÊíÒËÃÑº·´ÅÍ§ãª §Ò¹¡Ñº ZX-BLUETOOTH à¾×Íè ÃÑºÊ §¢ ÍÁÙÅ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ÍØ»¡Ã³ ºÅÙ·¸Ù (ÁÕµÍ )

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//————————————— ISR for USART Receiving —————————————// SIGNAL(SIG_UART_RECV) { key = UDR; // Keep character } //————————————— Main Program —————————————————// void main() { unsigned char send=0; // Variable for check status to send KNOB value char str[8]; // Keep string for sending to LCD lcd_init(); // Initial LCD display uart_init(9600); // Initial UART baudrate 9600 bps lcd_puts(0x80,”Ready!...”); // Display title message while(1) // Infinite loop { if(key==’+’) // Check pressing key “+” { key = 0; // Clear key value after checking send = 1; // Set status for sending KNOB value lcd_puts(0x80,”Send... “); // Display Sending status message } if(key==’-’) // Check presings key “-” { key = 0; // Clear key value after checking send = 0; // Clear status of not sending KNOB value lcd_puts(0x80,”Pause! “); // Display Not sending status message } if(send==1) // Check flag status of sending KNOB value { uart_puts(“KNOB: “); // Show screen ltoa(knob(),str,10); // Convert KNOB value uart_puts(str); // Send KNOB value uart_puts(“ \r “); // Return to left position of Terminal program delay_ms(100); // Less delay for displaying } else { uart_puts(“Pause... “);// Send Not sending status message uart_puts(“ \r “); // Return to left position of Terminal program delay_ms(500); // Less delay for displaying } } }

â»Ãá¡ÃÁ·Õè 3 â»Ãá¡ÃÁÀÒÉÒ C ä¿Å zx_bluetooch.c ÊíÒËÃÑº·´ÅÍ§ãª §Ò¹¡Ñº ZX-BLUETOOTH à¾×Íè ÃÑºÊ §¢ ÍÁÙÅ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ÍØ»¡Ã³ ºÅÙ·¸Ù (¨º)

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3.2.5.5 àÃÔÁè µ ¹Ë¹ Òµ Ò§ HyperTerminal áÊ´§¢ Í¤ÇÒÁ Pause... ¨Ò¡¹Ñ¹é ãË ¼¾Ù ² Ñ ¹Ò·´ÊÍº ¡´¤ÕÂ + ·Õ¤è ÍÁ¾ÔÇàµÍÃ à¾×Íè ãË VX-Mega16 Ê §¤ Ò¢Í§¡ÒÃá»Å§ÊÑÒ³ÍÐ¹ÒÅÍ¡à» ¹´Ô¨µÔ ÍÅ·ÕÍè Ò ¹ ä´ ¨Ò¡ KNOB ÁÒáÊ´§¼Åº¹Ë¹ Òµ Ò§ HyperTerminal ¼ Ò¹·Ò§ÍØ»¡Ã³ ºÅÙ·¸Ù «Ö§è ¼ÅÅÑ¾¸ ¨Ð»ÃÒ¡¯ µÒÁÃÙ»·Õè 16 ¼Ù¾ ² Ñ ¹ÒÊÒÁÒÃ¶·´ÊÍº»ÃÑº¤ ÒáÃ§´Ñ¹¨Ò¡µÑÇµ Ò¹·Ò¹»ÃÑº¤ Ò KNOB áÅ ÇÊÑ§à¡µ¼Å·Õè Ë¹ Òµ Ò§â»Ãá¡ÃÁ HyperTerminal 3.2.5.6 ¨Ò¡¹Ñ¹é ·´ÊÍº¡´¤ÕÂ - (à¤Ã×èÍ§ËÁÒÂÅº) à¾×Íè ãË ºÍÃ ´ VX-Mega16 ËÂØ´Ê §¢ ÍÁÙÅ·Õè Í Ò¹ä´ ¨Ò¡ KNOB «Ö§è ¼ÅÅÑ¾¸ ¨Ð»ÃÒ¡¯µÒÁÃÙ»·Õè 17 àËÁ×Í¹¡ÑºµÍ¹àÃÔÁè µ ¹ 3.2.5.7 àÁ×Íè ¼Ù¾ ² Ñ ¹Òµ Í§¡ÒÃ»Å´¡ÒÃàª×Íè Áµ Í·íÒä´ ´Ç Â¡ÒÃàÅ×Í¡ÃÒÂ¡ÒÃ¤íÒÊÑ§è àÅÔ¡àª×Íè Áµ Í¨Ò¡ µÑÇÍØ»¡Ã³ ·ËÕè ¹ Òµ Ò§ËÅÑ¡¢Í§â»Ãá¡ÃÁ â´Â¤ÅÔ¡àÁÒÊ ¢ÇÒ·Õäè Í¤Í¹ BT GPS à¾×Íè à» ´àÁ¹Ù¤Òí ÊÑ§è áÅ Ç àÅ×Í¡ÃÒÂ¡ÒÃ Disconnect>Bluetooth Serial Port Service à¾×Íè »Å´¡ÒÃàª×Íè Áµ Í ´Ñ§ÃÙ»·Õè 18

ÃÙ»·Õè 12 áÊ´§¡ÒÃàÅ×Í¡¤íÒÊÑ§è »Å´¡ÒÃàª×Íè Áµ ÍÃÐËÇ Ò§ÍØ»¡Ã³ ºÅÙ·¸Ù ·Õ¤è ÍÁ¾ÔÇàµÍÃ ¡ºÑ ZX-BLUETOOTH (ã¹ª×Íè BT GPS)

ZX-BLUETOOTH

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3.2.6 ¤íÒÍ¸ÔºÒÂâ»Ãá¡ÃÁ·´ÊÍº¡ÒÃµÔ´µ ÍÃÐËÇ Ò§ ATmega16 ¡Ñº¤ÍÁ¾ÔÇàµÍÃ ¼Ò ¹ ZXBLUETOOTH áÅÐ Serial Port Service ¢Í§ÍØ»¡Ã³ìºÅÙ·¸Ù (â»Ãá¡ÃÁ·Õè 3) ã¹Ê Ç¹áÃ¡ÊØ´¢Í§â»Ãá¡ÃÁ¹Õéà» ¹¡ÒÃ¼¹Ç¡·ÃÑ¾ÂÒ¡Ã¢Í§äÁâ¤Ã¤Í¹â·ÃÅàÅÍÃ áÅÐ¡ÅØ Á äÅºÃÒÃÕµ Ò§æ·Õè¨ÐÁÕ¡ÒÃàÃÕÂ¡ãª §Ò¹ÀÒÂã¹â»Ãá¡ÃÁ¹Õé #include <avr/io.h>

// àÃÕÂ¡ãª §Ò¹·ÃÑ¾ÂÒ¡ÃáÅÐÃÕ¨ÊÔ àµÍÃ ¢Í§äÁâ¤Ã¤Í¹â·ÃÅàÅÍÃ

#include <avr/interrupt.h>

// ÊíÒËÃÑºàÃÕÂ¡ãª §Ò¹¿ §¡ ª¹ Ñè sei()

#include <avr/signal.h>

// ÊíÒËÃÑº¡ÒÃµÍºÊ¹Í§ÍÔ¹àµÍÃ Ã»Ñ µ

#include <lcd.h>

// àÃÕÂ¡ãª §Ò¹¿ §¡ ª¹ Ñè ¨Ñ´¡ÒÃáÊ´§¼Å·Õâè Á´ÙÅ LCD

#include <analog.h>

// àÃÕÂ¡ãª §Ò¹¿ §¡ ª¹ Ñè Í Ò¹¤ Ò KNOB

#include <stdlib.h>

// àÃÕÂ¡ãª §Ò¹¿ §¡ ª¹ Ñè ltoa

ã¹Ê Ç¹áÃ¡¢Í§â»Ãá¡ÃÁ¨Ðà» ¹¡ÒÃÍÔ¹ÔàªÕÂÅâÁ´ÙÅ LCD áÅÐµÒÁ´ ÇÂ¡ÒÃ¡íÒË¹´ãË âÁ´ÙÅ UART Ê×Íè ÊÒÃ¢ ÍÁÙÅ·ÕÍè µÑ ÃÒºÍ´ 9600 ºÔµµ ÍÇÔ¹Ò·Õ â´ÂÁÕ¡ÒÃÃÑº¢ ÍÁÙÅáººÍÔ¹àµÍÃ Ã»Ñ µ ¨Ò¡¹Ñ¹é â»Ãá¡ÃÁ¨Ð·íÒ§Ò¹ÀÒÂã¹ÅÙ»·íÒ«éÒí while(1){} â´Â¤ÍÂÇ¹µÃÇ¨ÊÍºÇ ÒÁÕ¡ÒÃÃÑºÍÑ¡¢ÃÐ ¤ÕÂ + ËÃ×Í - ¨Ò¡á» ¹¤ÕÂ ¤ÍÁ¾ÔÇàµÍÃ à¢ ÒÁÒËÃ×ÍäÁ à¾×èÍ¡íÒË¹´¡ÒÃàÃÕÂ¡Í Ò¹¤ Ò KNOB ä»áÊ´§ÂÑ§ HyperTerminal ÀÒÂËÅÑ§¡ÒÃàª×Íè Áµ ÍÊíÒàÃç¨áÅ Ç à§×Íè ¹ä¢¤Çº¤ØÁ¡ÒÃ·íÒ§Ò¹ã¹â»Ãá¡ÃÁ¹ÕÁé Õ 4 à§×Íè ¹ä¢´Ñ§¹Õé (1) àÁ×Íè µÃÇ¨¾º¡ÒÃ¡´¤ÕÂ + (à¤Ã×Íè §ËÁÒÂºÇ¡) µÑÇá»Ã send ¶Ù¡¡íÒË¹´à» ¹ 1 à¾×Íè ÃÍ¡ÒÃÊ §ÊÒÂÍÑ¡¢ÃÐ·Õ¶è ¡Ù á»Å§ÁÒ¨Ò¡¤ Ò KNOB ¨Ð¶Ù¡Ê §ÍÍ¡ä»¼ Ò¹·Ò§ ZX-BLUETOOTH ´ ÇÂ¡ÒÃàª×Íè Áµ Í UART ¾Ã ÍÁ¡ÑºáÊ´§¢ Í¤ÇÒÁ·Õâè Á´ÙÅ LCD Ç ÒÍÂÙã ¹Ê¶Ò¹Ð¡ÒÃÊ §¤ Ò KNOB ä»áÊ´§ (2) àÁ×Íè µÃÇ¨¾º¡ÒÃ¡´¤ÕÂ - (à¤Ã×Íè §ËÁÒÂÅº) µÑÇá»Ã send ¶Ù¡¡íÒË¹´à» ¹ 0 à¾×èÍÃÍ¡ÒÃÊ §ÊÒÂÍÑ¡¢ÃÐ Pause...\r ¼ Ò¹·Ò§ ZXBLUETOOTH ÍÍ¡ä» ¾Ã ÍÁ¡ÑºáÊ´§¢ Í¤ÇÒÁ·Õâè Á´ÙÅ LCD Ç ÒÍÂÙã ¹Ê¶Ò¹Ð¡ÒÃËÂØ´Ê §¤ Ò KNOB (3) àÁ×Íè µÃÇ¨¾ºÇ ÒµÑÇá»Ã send = 1 ÊÒÂÍÑ¡¢ÃÐ·Õ¶è ¡Ù á»Å§ÁÒ¨Ò¡¤ Ò KNOB ¨Ð¶Ù¡Ê §ÍÍ¡¼ Ò¹·Ò§ ZX-BLUETOOTH (4) àÁ×Íè µÃÇ¨¾ºÇ ÒµÑÇá»Ã send = 0 ÊÒÂÍÑ¡¢ÃÐ Pause... \r ÍÍ¡ä»¼ Ò¹·Ò§ ZX-BLUETOOTH

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uart_init

·íÒË¹ Ò·Õè¡íÒË¹´¤Ø³ÊÁºÑµÔ¡ÒÃÊ×èÍÊÒÃ¢ ÍÁÙÅÍ¹Ø¡ÃÁµÒÁÒµÃ°Ò¹ RS-232 ´ ÇÂÍÑµÃÒºÍ´·Õè ¡íÒË¹´¨Ò¡ÍÐ¡ÔÇàÁ¹µ â´ÂÍ¸ÔºÒÂ¤íÒÊÑ§è ÀÒÂ¿ §¡ ª¹Ñè à¾ÔÁè àµÔÁä´ ´§Ñ ¹Õé UBRRH = (unsigned int)(UART_BAUD_CALC(baud,F_OSC)>>8); // ¤íÒ¹Ç³¤ ÒÍÑµÃÒºÍ´¢Í§äºµ Ê§Ù áÅ ÇâËÅ´ä»ÂÑ§ÃÕ¨ÊÔ àµÍÃ UBRRH UBRRL = (unsigned int)UART_BAUD_CALC(baud,F_OSC); // ¤íÒ¹Ç³¤ ÒÍÑµÃÒºÍ´¢Í§äºµ µÒèí áÅ ÇâËÅ´ä»ÂÑ§ÃÕ¨ÊÔ àµÍÃ UBRRL UCSRB |= (1 << RXEN) | (1 << TXEN) | (1 << RXCIE); // à» ´¡ÒÃãª §Ò¹ÀÒ¤ÃÑºáÅÐÊ §¢ ÍÁÙÅ¢Í§âÁ´ÙÅ USART áÅÐà» ´¡ÒÃãª §Ò¹ÀÒ¤ÃÑº // ã¹áººÍÔ¹àµÍÃ Ã»Ñ µ UCSRC |= (1 << URSEL) | (1 << UCSZ1) | (1 << UCSZ0); // ¡íÒË¹´ÃÙ»áºº¡ÒÃÊ×Íè ÊÒÃ¢ ÍÁÙÅáººÍÐ«Ô§â¤Ã¹ÑÊ, 8 ºÔµ¢ ÍÁÙÅ, äÁ ãª ¾ÒÃÔµ,Õé // áÅÐ 1 ºÔµËÂØ´ sei(); // à» ´ÍÔ¹àµÍÃ Ã»Ñ µ ÃÇÁ¢Í§ÃÐºº

¡ÒÃ¤íÒ¹Ç³ÍÑµÃÒºÍ´à¾×Íè » Í¹ãË ¡ºÑ ÃÕ¨ÊÔ àµÍÃ UBRRH áÅÐ UBRRL ¨ÐÍÒÈÑÂÁÒâ¤Ã F_OSC «Ö§è à» ¹µÑÇ¡íÒË¹´¤ÇÒÁ¶Õ¤è ÃÔÊµÍÅ¢Í§ÃÐºº ã¹â»Ãá¡ÃÁ¡íÒË¹´·Õè 16000000 (¤ÇÒÁ¶Õè 16 MHz) ¨Ò¡ #define F_OSC 16000000

ÊíÒËÃÑºÁÒâ¤Ãã¹Ê Ç¹¡ÒÃ¤íÒ¹Ç³ UART_BAUD_CALC(baud,F_OSC) ¹Ñ¹é ÁÒ¨Ò¡¡ÒÃ¹ÔÂÒÁ ¢Í§ÁÒâ¤Ã UART_BAUD_CALC(x,F_OSC) ¨Ò¡ #define UART_BAUD_CALC(x,F_OSC) ((F_OSC)/((x)*16)-1)

«Ö§è ¨ÐÊÑÁ¾Ñ¹¸ ¡ºÑ ÊÁ¡ÒÃ¤íÒ¹Ç³¤ Ò·Õâè ËÅ´ãË ¡ºÑ ÃÕ¨ÊÔ àµÍÃ UBRR à¾ÕÍè ãË ä´ ÍµÑ ÃÒºÍ´ x ·Õµè Í § ¡ÒÃ «Ö§è à» ¹ä»µÒÁÊÁ¡ÒÃ UBRR = [F_OSC/(Baud*16)]-1 â´Â·Õè UBRR ¤×Í¢ ÍÁÙÅ 16 ºÔµ·Õäè ´ ¨Ò¡¡ÒÃ¤íÒ¹Ç³à¾×Íè âËÅ´ãË ¡ºÑ ÃÕ¨ÊÔ àµÍÃ UBRRH áÅÐ UBRRL F_OSC ¤×Í ¤ÇÒÁ¶Õ¤è ÃÔÊµÍÅ¢Í§ÃÐºº Baud ¤×Í ÍÑµÃÒºÍ´·Õµè Í §¡ÒÃ

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uart_putc

·íÒË¹ Ò·ÕÊè § ¢ ÍÁÙÅ 1 äºµ ÍÍ¡·Ò§ÀÒ¤Ê §¢Í§âÁ´ÙÅ USART «Ö§è ¡íÒË¹´¢ ÍÁÙÅ·Õµè Í §¡ÒÃÊ §ãË ¡Ñº¾ÒÃÒÁÔàµÍÃ c â´ÂÍ¸ÔºÒÂ¤íÒÊÑ§è ÀÒÂã¹à¾ÔÁè àµÔÁä´ ´§Ñ ¹Õé void uart_putc(unsigned char c) { while(!(UCSRA & (1 << UDRE))); UDR = c; } l

// µÃÇ¨ÊÍºÇ Ò ¡ÒÃÊ §¢ ÍÁÙÅÊÔ¹ é ÊØ´ËÃ×ÍÂÑ§ // âËÅ´¢ ÍÁÙÅ·Õµè Í §¡ÒÃÊ §ä»ÂÑ§ÃÕ¨ÊÔ àµÍÃ UDR

uart_puts

·íÒË¹ Ò·ÕèÊ §¢ ÍÁÙÅÊÒÂÍÑ¡¢ÃÐÍÍ¡·Ò§ÀÒ¤Ê §¢Í§âÁ´ÙÅ USART «Öè§¡íÒË¹´¢ ÍÁÙÅ·Õèµ Í§¡ÒÃ Ê §ãË ¡ºÑ ¾ÒÃÒÁÔàµÍÃ s «Ö§è à» ¹µÑÇªÕ¢é Í ÁÙÅ â´ÂÍ¸ÔºÒÂ¤íÒÊÑ§è ÀÒÂã¹à¾ÔÁè àµÔÁä´ ´§Ñ ¹Õé void uart_puts(char *s) { while (*s) { uart_putc(*s); s++; } } l

// ÅÙ»ã¹¡ÒÃÇ¹Ê §ÍÑ¡¢ÃÐ·ÕÅÐäºµ ¨¹¡Ç Ò¨Ð¤Ãº // Ê §ÍÑ¡¢ÃÐ·ÕÍè ÂÙ ³ » ¨¨Øº¹ Ñ // à¾ÔÁè ¤ ÒµÑÇªÕàé ¾×Íè ªÕÍé ¡Ñ ¢ÃÐµÑÇ¶Ñ´ä»

SIGNAL(SIG_UART_RECV)

â»Ãá¡ÃÁ¨Ð¡ÃÐâ´´¨Ò¡¡ÒÃ·íÒ§Ò¹ËÅÑ¡à¢ ÒÁÒ·íÒ§Ò¹ÀÒÂã¹¿ §¡ ª¹Ñè ¹Õé àÁ×Íè ä´ ÃºÑ ¢ ÍÁÙÅ·Õàè ¢ ÒÁÒ ·Ò§¢ÒÊÑÒ³ RXD ¶ ÒÁÍ§ÀÒ¾ÃÇÁ¡ç¤Í× ÃÑº¼ Ò¹ÁÒ·Ò§ ZX-BLUETOOTH â´Â¢ ÍÁÙÅ·Õäè ´ ÃºÑ ¨Ð¶Ù¡à¡çº äÇ ·ÃÕè ¨Õ ÊÔ àµÍÃ UDR â´Â¨ÐÁÕµÇÑ á»Ã key ·íÒË¹ Ò·Õâè ËÅ´à¡çºÍÑ¡¢ÃÐ·ÕÃè ºÑ à¢ ÒÁÒà¾×Íè ãª à» ¹µÑÇµÃÇ¨ÊÍº à§×Íè ¹ä§ÀÒÂã¹â»Ãá¡ÃÁËÅÑ¡ÍÕ¡¤ÃÑ§é Ë¹Ö§è Ç ÒÍÑ¡¢ÃÐ·ÕÃè ºÑ à¢ ÒÁÒ¹Ñ¹é µÃ§¡Ñº¤ÇÒÁµ Í§¡ÒÃËÃ×ÍäÁ â´ÂÁÕâ¤ ´ â»Ãá¡ÃÁÀÒÉÒ C ´Ñ§¹Õé SIGNAL(SIG_UART_RECV) { key = UDR; // âËÅ´ÍÑ¡¢ÃÐ·Õäè ´ ÃºÑ ¨Ò¡¤ÍÁ¾ÔÇàµÍÃ ÁÒà¡çºÂÑ§µÑÇá»Ã key }

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ltoa

·íÒË¹ Ò·Õèá»Å§àÅ¢¨íÒ¹Ç¹àµçÁä»à» ¹ÊÒÂÍÑ¡¢ÃÐ«Öè§¨Ñ´à¡çºÍÂÙ ÀÒÂã¹äÅºÃÒÃÕ stdlib.h «Öè§ÁÒ ¾Ã ÍÁ¡Ñº¤ÍÁä¾àÅÍÃ ÃÙ»áºº char *ltoa(long __val, char *__s, int __radix);

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