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'------------BASCOM-AVR串口inkey實(shí)例----------------------------------------------
'name : inkey.bas
'copyright : (c) 1995-2020, MCS Electronics
'purpose : demo: INKEY , WAITKEY
'micro : Mega328p
'suited for demo : yes
'commercial addon needed : no
'----------------初始化硬件配置--使用arduino開發(fā)板-------------------------------------------------------------
$regfile = "m328pdef.dat" 'atmega328p硬件
$crystal = 16000000 ' 16MHZ時(shí)鐘
$baud = 19200 ' 串口波特率
$hwstack = 32 ' default use 32 for the hardware stack
$swstack = 10 ' default use 10 for the SW stack
$framesize = 40 ' default use 40 for the frame space
'-----------------變量定義---------------------------------------------------------------
Dim A As Byte , S As String * 2
'-----程序運(yùn)行----串口接收一個(gè)字節(jié)變量A,通過(guò)串口輸出接收的字符和對(duì)應(yīng)的ASCII碼，接著判斷其是否是十進(jìn)制27=十六進(jìn)制1B=鍵盤ESC的ASCII碼，如果不是則繼續(xù)接收和輸出串口變量A,如果是27則串口輸出ASCII碼，進(jìn)入只接收27后終止接收程序。（共接收3次27結(jié)束串口接收程序）
Do
A = Inkey() '從串口獲得ASCII變量’get ascii value from serial port
's = Inkey()
If A > 0 Then
'------循環(huán)判斷如果大于0則輸出字符和對(duì)應(yīng)的ASCII碼，如果是27則停止循環(huán)接收----------------------------------------------------------------------- 'we got something
Print Chr(a);" ASCII code " ; A ; " from serial"
End If
Loop Until A = 27 '是27則停止循環(huán)接收（直到按下ESC）
A = Waitkey() '等待接收到字符
's = waitkey()
Print Chr(a) '串口輸出字符
'wait until ESC is pressed
Do ' 循環(huán)接收=27則結(jié)束程序
Loop Until Inkey() = 27
'When you need to receive binary data and the bibary value 0 ,
'you can use the IScharwaiting() function.
'This will return 1 when there is a char waiting and 0 if there is no char waiting.
'You can get the char with inkey or waitkey then.
'-----------------程序結(jié)束-----------------------------------------------------------------
End

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