# Oscilloscop Code

import LCD

from machine import ADC
from time import sleep_ms

a2d0 = machine.ADC(1)

Navy = LCD.RGB(0,0,10)
Yellow = LCD.RGB(150,150,0)
Grey = LCD.RGB(50,50,50)

Xmin = 50
Xmax = 470
Ymin = 10
Ymax = 280
dX = (Xmax - Xmin)/10
dY = (Ymax - Ymin)/10

LCD.Init()
LCD.Clear(Navy)
for i in range(0,11):
    LCD.Line(Xmin, int(Ymin+i*dY), Xmax, int(Ymin+i*dY), Grey)
    LCD.Line(int(Xmin+i*dX), Ymin, int(Xmin+i*dX), Ymax, Grey)

Y = []
for i in range(Xmin, Xmax+1):
    Y.append(0)

k = (Ymax - Ymin) / 65535

X = Xmin
i = 0

while(1):
    a0 = a2d0.read_u16()
    LCD.Pixel2(int(X), int(Y[i]), Navy)   
    Y[i] = k*a0 + Ymin
    LCD.Pixel2(int(X), int(Y[i]), Yellow)
    X += 1
    i += 1
    if(X > Xmax):
        X = Xmin
        i = 0
    sleep_ms(10)