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# PiicoDev SSD1306 demo code

# Show off some features of the PiicoDev OLED driver

import math

from PiicoDev_SSD1306 import *

from PiicoDev_Unified import sleep_ms

display = create_PiicoDev_SSD1306()

# Text and numbers

for counter in range(0,101):

display.fill(0)

display.text("PiicoDev",30,20, 1)

display.text(str(counter),50,35, 1)

display.show()

sleep_ms(500)

# Bargraphs

thick = 15 # thickness of the bar

for val in range(WIDTH+1):

display.fill(0)

display.text("Bargraphs", 20, 10, 1)

display.fill_rect(0, HEIGHT-thick, val, thick, 1) # Filled bar graph

display.rect(0, int(HEIGHT-2*thick - 5), int(val/2), thick, 1) # no-fill

display.show()

sleep_ms(500)

# Plots

graphSin = display.graph2D()

graphCos = display.graph2D()

for x in range(128):

s = int(math.sin(x/10.0)*HEIGHT+HEIGHT+30)

c = int(math.cos(x/10.0)*HEIGHT+HEIGHT+30)

display.fill(0)

display.text("Plots", 50, 10, 1)

display.updateGraph2D(graphSin,s)

display.updateGraph2D(graphCos,c)

display.show()

sleep_ms(1000)

# Bouncy Square animation

square = 15 # square edge length (px)

x = (WIDTH-1)/2 # starting position

y = (HEIGHT-1)/2 # starting y position

v = {'x': 2.3, # Starting velocity (pixels per animation frame)

'y': 3.5}

collisionCount = 0

while True:

display.fill(0) # empty the frame buffer

# Next position = Current Position + Velocity

x = x + v['x']

y = y + v['y']

# Check for boundary collision

if x > WIDTH-square or x < 0:

v['x']=-v['x'] # reverse the x-velocity

collisionCount = collisionCount + 1

if y >= HEIGHT-square or y < 0:

v['y']=-v['y'] # reverse the x-velocity

collisionCount = collisionCount + 1

# draw the rectangle

display.fill_rect(round(x), round(y), square, square, 1)

# draw boundaries

display.hline(0,0,WIDTH,1)

display.vline(0,0,HEIGHT,1)

display.vline(WIDTH-1,0,HEIGHT, 1)

display.hline(0,HEIGHT-1,WIDTH, 1)

# show the collision count

display.text(str(collisionCount),10,round(HEIGHT/2), 1)

display.show()

sleep_ms(10)