ARDUINO OSCILLOSCOPE

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i have been working on recent project build arduino oscilloscope interfaced 4x4 keypad membrane nokia 5110 lcd display.i have successful individual code fragments/portions which
1)generate waves interfaced keyboard on dac1
2)display same on nokia lcd 5110 through analog input a0.

i using arduino due.


i tried playing around setup() , loop() functions in 2 programs  and have reached point single new program(as posted below) ,ie takes keypad input ,displays options on lcd ,takes in freq , generates splashscreen thing i'm missing out on d wave display on lcd (i'm able see selected wave on dso) ..so guess i'm pretty close, , code listed in keypad.docx file attached below:-



can some1 possibly tinker around ..it'll b huge help!!

you mention docx file attached .pdf
neither of these file formats make easy work code.  why not attach .ino file ?


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