const 
 byte 
 cfg_cupgain 
 = 
 0 
 ; 
 // the usage definition of the pins D7..D12 

 // 0: input  1:input(pulled-up)  2:output 


 word 
 oscversion 
 = 
 0x0001 
 ; 

 word 
 oscvbg 
 ; 
 // band gap voltage in 10bits  0 means a failure. 

 word 
 oscconfig 
 ; 
 // bit0 -> if trigger voltage is 0:uncontrollable 

 //                               1:controllable 

 // bit1 -> optional-fgen is      0:not attached 

 //                               1:attached 

 // bit2 -> cupgain is            0:input 

 //                               1:output 

 byte 
 oscspeed 
 = 
 0 
 ; 
 // 0..3:real 4..7:equiv 8:roll 

 byte 
 oscinput 
 = 
 0 
 ; 
 // input signal selection  0:CH1 1:CH2 2:DUAL 


 byte 
 osctrig 
 = 
 0 
 ; 
 // trigger bit012-> 000:CH1 001:CH2 010:EXT 

 //                  011:built-in-pulse 

 //                  100:optional-fgen 

 //         bit4  -> 0:rising 1:falling 

 //         bit5  -> 0:auto   1:normal 

 word 
 osctdly 
 = 
 100 
 ; 
 // time of delayed trigger  100..30000 usec 

 byte 
 osctvolt 
 ; 
 // trigger level voltage (measured by adc) 0..255 

 byte 
 osctduty 
 ; 
 // trigger level duty  0..255 


 byte 
 osccupgain 
 = 
 0 
 ; 
 // bit0  -> CH1 coupling        0:dc  1:ac 

 // bit1  -> CH2 coupling        0:dc  1:ac 

 // bit23 -> CH1 gain-selection  0,1,2,3 

 // bit45 -> CH2 gain-selection  0,1,2,3 


 long 
 oscofreq 
 = 
 1000 
 ; 
 // 31 .. 2000000Hz 

 byte 
 oscoduty 
 = 
 50 
 ; 
 // 0..100% 


 byte 
 fgen 
 ; 
 // 0..3: fgen-dipsw  255:no-fgen 



 #define 
 TXBSZ 
 1100 

 #define 
 RXBSZ 
 256 
 //  this must be 256. 

 #define 
 RMBSZ 
 256 
 //  this must be 256.  for rollmode 


 int 
 txn 
 , 
 txr 
 ; 

 byte 
 txcrc 
 , 
 rxn 
 ; 

 byte 
 rmw 
 , 
 rmr 
 , 
 rmon 
 ; 


 byte 
 txbuf 
 [ 
 TXBSZ 
 ] 
 ; 

 byte 
 rxbuf 
 [ 
 RXBSZ 
 ] 
 ; 

 // Kyutech Arduino Scope Prototype  v0.73                     Apr 10, 2019 

 // 

 //    (C) 2012-2019 M.Kurata Kyushu Institute of Technology 

 // 

 //    for Arduinos with a 5V-16MHz ATmega328. 

 // 

 //    use with "kit_scope.pde", a Proce55ing GUI sketch. 

 // 

 //    You don't need to worry about this warning message produced by the IDE. 

 //    "Low memory available, stability problems may occur." 

 //    コンパイル時、下記メッセージが表示されますが、問題ありません。 

 //    "スケッチが使用できるメモリが少なくなっています。動作が不安定になる可能性があります。" 

 // 

 // 

 //    Pin usage 

 //     

 //    A0  trigger level voltage input    (connected to D6) 

 //    A1  oscilloscope probe ch1 

 //    A2  oscilloscope probe ch2 

 //    A3  oscilloscope probe ext  trigger 

 //    A4  reserved 

 //    A5  reserved 

 //    A6  reserved 

 //    A7  reserved 

 //     

 //    D0  uart-rx 

 //    D1  uart-tx 

 //    D2  reserved 

 //    D3  calibration pulse wave output 

 //    D4  reserved 

 //    D5  pwm output for generating trigger level voltage 

 //    D6  analog comparator input (trigger level) 

 //    D7  reserved 

 //    D8  reserved 

 //    D9  reserved 

 //    D10 reserved 

 //    D11 reserved 

 //    D12 reserved 

 //    D13 LED output 

 // 

 //    different usage for dks2014 board. 

 //    A4  fgen-sync 

 //    D8  CH1 mode input  0..[0-10V]  1..[-5..5V]  (pull-up needed) 

 //    D9  CH2 mode input  0..[0-10V]  1..[-5..5V]  (pull-up needed)