def drawMatrix(matrix):
gamma = 1.5
MDP_HEIGHT = 6
mdp.clear()
for x in range(len(matrix)):
buf_x = x + ((x / 5) * 3)
for y in xrange(7):
if matrix[x] > pow(gamma, y):
mdp.set_pixel(buf_x, MDP_HEIGHT - y, 1)
else:
break
mdp.show()
def display_strings_array(lines):
delay = 0.03
line_height = microdotphat.HEIGHT + 2
lengths = [0] * len(lines)
offset_left = 0
for line, text in enumerate(lines):
lengths[line] = microdotphat.write_string(text,
offset_x=offset_left,
offset_y=line_height * line,
kerning=False)
offset_left += lengths[line]
microdotphat.set_pixel(0, (len(lines) * line_height) - 1, 0)
current_line = 0
microdotphat.show()
pos_x = 0
pos_y = 0
for current_line in range(len(lines)):
time.sleep(delay * 10)
for y in range(lengths[current_line]):
microdotphat.scroll(1, 0)
pos_x += 1
time.sleep(delay)
microdotphat.show()
if current_line == len(lines) - 1:
microdotphat.scroll_to(0, 0)
else:
for x in range(line_height):
microdotphat.scroll(0, 1)
pos_y += 1
microdotphat.show()
time.sleep(delay)
def render_meter(percent, y_range=range(7), meter_minnum=0):
# calculate percent
x_range = int(DotMatrix.METER_WIDTH * (percent / 100.0))
#print("x_range = " + str(x_range))
# set_pixel
render_counter = 0
for i in range(WIDTH):
# skip invisible matrix
if i in DotMatrix.SKIP_LIST:
continue
# increment render counter
render_counter = render_counter + 1
# meter count check
if i >= meter_minnum and render_counter > x_range:
break
# render up to down
for k in y_range:
set_pixel(i, k, 1)
def write_customchar(char, offset_x=0, offset_y=0):
for x in range(5):
for y in range(7):
p = (char[x] & (1 << y)) > 0
set_pixel(offset_x + x, offset_y + y, p)
#!/usr/bin/env python
import math
import time
from microdotphat import clear, set_pixel, show
print("""Sine Wave
Displays a sine wave across your pHAT.
Press Ctrl+C to exit.
""")
while True:
clear()
t = time.time() * 10
for x in range(45):
y = int((math.sin(t + (x/2.5)) + 1) * 3.5)
set_pixel(x, y, 1)
show()
time.sleep(0.01)
lines = ["In the old #BILGETANK we'll keep you in the know",
"In the old #BILGETANK we'll fix your techie woes",
"And we'll make things",
"And we'll break things",
"'til we're altogether aching",
"Then we'll grab a cup of grog down in the old #BILGETANK"]
lengths = [0] * len(lines)
offset_left = 0
for line, text in enumerate(lines):
lengths[line] = write_string(text, offset_x=offset_left, offset_y=line_height * line)
offset_left += lengths[line]
set_pixel(0, (len(lines) * line_height) - 1, 0)
current_line = 0
show()
while True:
pos_x = 0
pos_y = 0
for current_line in range(len(lines)):
time.sleep(delay*10)
for y in range(lengths[current_line]):
scroll(1,0)
pos_x += 1
time.sleep(delay)
show()
import sys
import json
import time
from microdotphat import clear, show, scroll, write_string, set_pixel
while True:
line = sys.stdin.readline()
if line:
#print('line', line)
cmd = json.loads(line)
if cmd['cmd'] == 'clear':
clear()
if cmd['cmd'] == 'write_string':
write_string(cmd['arg1'], kerning=False)
show()
if cmd['cmd'] == 'write_string_scroll': # breaks everything
write_string(cmd['arg1'])
scroll()
show()
if cmd['cmd'] == 'set_pixel':
set_pixel(cmd['arg1'], cmd['arg2'], cmd['arg3'])
show()
time.sleep(0.1)
"And we'll make things", "And we'll break things",
"'til we're altogether aching",
"Then we'll grab a cup of grog down in the old #BILGETANK"
]
lengths = [0] * len(lines)
offset_left = 0
for line, text in enumerate(lines):
lengths[line] = write_string(text,
offset_x=offset_left,
offset_y=line_height * line)
offset_left += lengths[line]
set_pixel(0, (len(lines) * line_height) - 1, 0)
current_line = 0
show()
while True:
pos_x = 0
pos_y = 0
for current_line in range(len(lines)):
time.sleep(delay * 10)
for y in range(lengths[current_line]):
scroll(1, 0)
pos_x += 1
time.sleep(delay)
show()
rand_x4 = randint(0,45)
rand_y4 = randint(0,6)
rand_x5 = randint(0,45)
rand_y5 = randint(0,6)
rand_x6 = randint(0,45)
rand_y6 = randint(0,6)
rand_x7 = randint(0,45)
rand_y7 = randint(0,6)
rand_x8 = randint(0,45)
rand_y8 = randint(0,6)
"""
clear()
show()
time.sleep(t)
for x in range(6):
set_pixel(x,0,1)
set_pixel(x,2,1)
set_pixel(x,4,1)
set_pixel(x,6,1)
show()
for x in range(6,13):
set_pixel(x,0,1)
set_pixel(x,2,1)
set_pixel(x,4,1)
set_pixel(x,6,1)
show()
for x in range(13,21):
set_pixel(x,0,1)
set_pixel(x,2,1)
def write_customchar(char, offset_x=0, offset_y=0):
for x in range(5):
for y in range(7):
p = (char[x] & (1 << y)) > 0
set_pixel(offset_x + x, offset_y + y, p)
def char_euro():
set_pixel(2, 0, 1)
set_pixel(3, 0, 1)
set_pixel(4, 0, 1)
set_pixel(1, 1, 1)
set_pixel(0, 2, 1)
set_pixel(1, 2, 1)
set_pixel(2, 2, 1)
set_pixel(3, 2, 1)
set_pixel(0, 3, 1)
set_pixel(0, 4, 1)
set_pixel(1, 4, 1)
set_pixel(2, 4, 1)
set_pixel(3, 4, 1)
set_pixel(1, 5, 1)
set_pixel(2, 6, 1)
set_pixel(3, 6, 1)
set_pixel(4, 6, 1)
