def meter():
print('Meter test.')
refresh(ssd, True) # Clear any prior image
color = lambda v: RED if v > 0.7 else YELLOW if v > 0.5 else GREEN
txt = lambda v: 'ovr' if v > 0.7 else 'high' if v > 0.5 else 'ok'
m0 = Meter(wri,
5,
2,
divisions=4,
ptcolor=YELLOW,
label='left',
style=Meter.BAR,
legends=('0.0', '0.5', '1.0'))
l0 = LED(wri,
ssd.height - 16 - wri.height,
2,
bdcolor=YELLOW,
label='over')
m1 = Meter(wri,
5,
50,
divisions=4,
ptcolor=YELLOW,
label='right',
style=Meter.BAR,
legends=('0.0', '0.5', '1.0'))
l1 = LED(wri,
ssd.height - 16 - wri.height,
50,
bdcolor=YELLOW,
label='over')
m2 = Meter(wri,
5,
98,
divisions=4,
ptcolor=YELLOW,
label='bass',
style=Meter.BAR,
legends=('0.0', '0.5', '1.0'))
l2 = LED(wri,
ssd.height - 16 - wri.height,
98,
bdcolor=YELLOW,
label='over')
steps = 10
for n in range(steps):
v = int.from_bytes(uos.urandom(3), 'little') / 16777216
m0.value(v, color(v))
l0.color(color(v))
l0.text(txt(v), fgcolor=color(v))
v = n / steps
m1.value(v, color(v))
l1.color(color(v))
l1.text(txt(v), fgcolor=color(v))
v = 1 - n / steps
m2.value(v, color(v))
l2.color(color(v))
l2.text(txt(v), fgcolor=color(v))
refresh(ssd)
utime.sleep(1)
def cart():
print('Cartesian data test.')
def populate_1(func):
x = -1
while x < 1.01:
yield x, func(x) # x, y
x += 0.1
def populate_2():
x = -1
while x < 1.01:
yield x, x**2 # x, y
x += 0.1
refresh(ssd, True) # Clear any prior image
g = CartesianGraph(wri,
2,
2,
yorigin=2,
fgcolor=WHITE,
gridcolor=LIGHTGREEN) # Asymmetric y axis
curve1 = Curve(g, YELLOW,
populate_1(lambda x: x**3 + x**2 - x, )) # args demo
curve2 = Curve(g, RED, populate_2())
refresh(ssd)
def aclock():
uv = lambda phi : cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday',
'Sunday')
months = ('Jan', 'Feb', 'March', 'April', 'May', 'June', 'July',
'Aug', 'Sept', 'Oct', 'Nov', 'Dec')
# Instantiate CWriter
CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
# Instantiate displayable objects
dial = Dial(wri, 2, 2, height = 75, ticks = 12, bdcolor=None, label=120, pip=False) # Border in fg color
lbltim = Label(wri, 5, 85, 35)
hrs = Pointer(dial)
mins = Pointer(dial)
secs = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
sstart = 0 + 0.92j
while True:
t = utime.localtime()
hrs.value(hstart * uv(-t[3]*pi/6 - t[4]*pi/360), YELLOW)
mins.value(mstart * uv(-t[4] * pi/30), YELLOW)
secs.value(sstart * uv(-t[5] * pi/30), RED)
lbltim.value('{:02d}.{:02d}.{:02d}'.format(t[3], t[4], t[5]))
dial.text('{} {} {} {}'.format(days[t[6]], t[2], months[t[1] - 1], t[0]))
refresh(ssd)
utime.sleep(1)
def multi_fields(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, small, verbose=False)
wri.set_clip(False, False, False)
nfields = []
dy = small.height() + 6
y = 2
col = 15
width = wri.stringlen('99.99')
for txt in ('X:', 'Y:', 'Z:'):
Label(wri, y, 0, txt)
nfields.append(Label(wri, y, col, width, bdcolor=None)) # Draw border
y += dy
random = xorshift64star(2**24 - 1)
for _ in range(10):
for field in nfields:
value = random() / 167772
field.value('{:5.2f}'.format(value))
refresh(ssd)
utime.sleep(1)
Label(wri, 0, 64, ' DONE ', True)
refresh(ssd)
def main():
print('alevel test is running.')
CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
acc = pyb.Accel()
dial = Dial(wri,
5,
5,
height=75,
ticks=12,
bdcolor=None,
label='Tilt Pyboard',
style=Dial.COMPASS,
pip=YELLOW) # Border in fg color
ptr = Pointer(dial)
scale = 1 / 40
while True:
x, y, z = acc.filtered_xyz()
# Depending on relative alignment of display and Pyboard this line may
# need changing: swap x and y or change signs so arrow points in direction
# board is tilted.
ptr.value(-y * scale + 1j * x * scale, YELLOW)
refresh(ssd)
utime.sleep_ms(200)
async def clip(wri):
ss = ('clip demo', 'short', 'longer line', 'much longer line with spaces',
'antidisestablishmentarianism', 'line with\nline break', 'Done')
tb = Textbox(wri, *pargs, clip=True, **tbargs)
for s in ss:
tb.append(s,
ntrim=100) # Default line=None scrolls to show most recent
refresh(ssd)
await asyncio.sleep(1)
def main():
refresh(ssd, True)
graph()
compass()
meter()
labels()
ssd.wait_until_ready()
refresh(ssd)
print('Waiting for display update')
ssd.wait_until_ready()
def compass(x):
print('Compass test.')
refresh(ssd, True) # Clear any prior image
dial = Dial(wri, 5, 5, height = 75, bdcolor=None, label=50, style = Dial.COMPASS)
bearing = Pointer(dial)
bearing.value(0 + 1j, RED)
dh = cmath.rect(1, -cmath.pi/30) # Rotate by 6 degrees CW
for n in range(x):
utime.sleep_ms(200)
bearing.value(bearing.value() * dh, RED)
refresh(ssd)
def rt_polar():
print('Simulate realtime polar data acquisition.')
refresh(ssd, True) # Clear any prior image
g = PolarGraph(wri, 2, 2, fgcolor=WHITE, gridcolor=LIGHTGREEN)
curvey = PolarCurve(g, YELLOW)
curver = PolarCurve(g, RED)
for x in range(100):
curvey.point(cmath.rect(x / 100, -x * cmath.pi / 30))
curver.point(cmath.rect((100 - x) / 100, -x * cmath.pi / 30))
utime.sleep_ms(60)
refresh(ssd)
async def meter(n, x, text, t):
print('Meter {} test.'.format(n))
m = Meter(wri, 5, x, divisions = 4, ptcolor=YELLOW,
label=text, style=Meter.BAR, legends=('0.0', '0.5', '1.0'))
l = LED(wri, ssd.height - 16 - wri.height, x, bdcolor=YELLOW, label ='over')
while True:
v = int.from_bytes(uos.urandom(3),'little')/16777216
m.value(v, color(v))
l.color(color(v))
l.text(txt(v), fgcolor=color(v))
refresh(ssd)
await asyncio.sleep_ms(t)
def show():
# Low power version of .wait_until_ready()
def wait_ready():
while not ssd.ready():
upower.lpdelay(1000)
refresh(ssd, True) # Init and clear. busy will go True for ~5s
populate()
wait_ready() # wait for display ready (seconds)
refresh(ssd)
wait_ready()
ssd.sleep() # Put into "off" state
def liss():
print('Lissajous figure.')
def populate():
t = -math.pi
while t <= math.pi:
yield math.sin(t), math.cos(3 * t) # x, y
t += 0.1
refresh(ssd, True) # Clear any prior image
g = CartesianGraph(wri, 2, 2, fgcolor=WHITE, gridcolor=LIGHTGREEN)
curve = Curve(g, YELLOW, populate())
refresh(ssd)
async def default(scale, lbl):
cv = -1.0 # Current
val = 1.0
while True:
v1, v2 = val, cv
steps = 400
delta = (val - cv) / steps
for _ in range(steps):
cv += delta
scale.value(cv)
lbl.value('{:4.3f}'.format(cv))
refresh(ssd)
await asyncio.sleep_ms(250)
val, cv = v2, v1
async def wrap(wri):
s = '''The textbox displays multiple lines of text in a field of fixed dimensions. \
Text may be clipped to the width of the control or may be word-wrapped. If the number \
of lines of text exceeds the height available, scrolling may be performed \
by calling a method.
'''
tb = Textbox(wri, *pargs, clip=False, **tbargs)
tb.append(s, ntrim=100, line=0)
refresh(ssd)
while True:
await asyncio.sleep(1)
if not tb.scroll(1):
break
refresh(ssd)
def polar_clip():
print('Test of polar data clipping.')
def populate(rot):
f = lambda theta: cmath.rect(1.15 * math.sin(5 * theta), theta
) * rot # complex
nmax = 150
for n in range(nmax + 1):
yield f(2 * cmath.pi * n / nmax) # complex z
refresh(ssd, True) # Clear any prior image
g = PolarGraph(wri, 2, 2, fgcolor=WHITE, gridcolor=LIGHTGREEN)
curve = PolarCurve(g, YELLOW, populate(1))
curve1 = PolarCurve(g, RED, populate(cmath.rect(1, cmath.pi / 5), ))
refresh(ssd)
def meter():
ssd.fill(0)
refresh(ssd)
wri = Writer(ssd, arial10, verbose=False)
m0 = Meter(wri, 5, 2, height = 50, divisions = 4, legends=('0.0', '0.5', '1.0'))
m1 = Meter(wri, 5, 44, height = 50, divisions = 4, legends=('-1', '0', '+1'))
m2 = Meter(wri, 5, 86, height = 50, divisions = 4, legends=('-1', '0', '+1'))
steps = 10
random = xorshift64star(2**24 - 1)
for n in range(steps + 1):
m0.value(random() / 16777216)
m1.value(n/steps)
m2.value(1 - n/steps)
refresh(ssd)
utime.sleep(1)
def polar():
print('Polar data test.')
def populate():
def f(theta):
return cmath.rect(math.sin(3 * theta), theta) # complex
nmax = 150
for n in range(nmax + 1):
yield f(2 * cmath.pi * n / nmax) # complex z
refresh(ssd, True) # Clear any prior image
g = PolarGraph(wri, 2, 2, fgcolor=WHITE, gridcolor=LIGHTGREEN)
curve = PolarCurve(g, YELLOW, populate())
refresh(ssd)
async def main():
refresh(ssd, True) # Clear display
await ssd.wait()
print('Ready')
evt = asyncio.Event()
asyncio.create_task(meter(evt))
asyncio.create_task(multi_fields(evt))
asyncio.create_task(compass(evt))
while True:
# Normal procedure before refresh, but 10s sleep should mean it always returns immediately
await ssd.wait()
refresh(ssd) # Launches ._as_show()
await ssd.updated()
# Content has now been shifted out so coros can update
# framebuffer in background
evt.set()
evt.clear()
await asyncio.sleep(10) # Allow for slow refresh
def clock(x):
print('Clock test.')
refresh(ssd, True) # Clear any prior image
lbl = Label(wri, 5, 85, 'Clock')
dial = Dial(wri, 5, 5, height = 75, ticks = 12, bdcolor=None, label=50) # Border in fg color
hrs = Pointer(dial)
mins = Pointer(dial)
hrs.value(0 + 0.7j, RED)
mins.value(0 + 0.9j, YELLOW)
dm = cmath.rect(1, -cmath.pi/30) # Rotate by 1 minute (CW)
dh = cmath.rect(1, -cmath.pi/1800) # Rotate hours by 1 minute
for n in range(x):
refresh(ssd)
utime.sleep_ms(200)
mins.value(mins.value() * dm, YELLOW)
hrs.value(hrs.value() * dh, RED)
dial.text('ticks: {}'.format(n))
lbl.value('Done')
async def aclock():
do_connect.do_connect()
asyncio.create_task(set_rtc())
asyncio.create_task(ramcheck())
uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday',
'Sunday')
months = ('January', 'February', 'March', 'April', 'May', 'June', 'July',
'August', 'September', 'October', 'November', 'December')
# Instantiate CWriter
CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = CWriter(ssd, font, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
# Instantiate displayable objects
dial = Dial(wri, 2, 2, height=130, ticks=12,
bdcolor=None) # Border in fg color
lbltim = Label(wri, 140, 2, 130)
lblday = Label(wri, 170, 2, 130)
lblmonth = Label(wri, 190, 2, 130)
lblyr = Label(wri, 210, 2, 130)
hrs = Pointer(dial)
mins = Pointer(dial)
secs = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
sstart = 0 + 0.92j
t = time.localtime()
while True:
hrs.value(hstart * uv(-t[3] * pi / 6 - t[4] * pi / 360), YELLOW)
mins.value(mstart * uv(-t[4] * pi / 30 - t[5] * pi / 1800), YELLOW)
secs.value(sstart * uv(-t[5] * pi / 30), RED)
lbltim.value('{:02d}.{:02d}.{:02d} {}'.format(t[3], t[4], t[5],
'BST' if bst else 'UTC'))
lblday.value('{}'.format(days[t[6]]))
lblmonth.value('{} {}'.format(t[2], months[t[1] - 1]))
lblyr.value('{}'.format(t[0]))
refresh(ssd)
st = t
while st == t:
await asyncio.sleep_ms(100)
t = time.localtime()
def seq():
print('Time sequence test - sine and cosine.')
refresh(ssd, True) # Clear any prior image
# y axis at t==now, no border
g = CartesianGraph(wri,
2,
2,
xorigin=10,
fgcolor=WHITE,
gridcolor=LIGHTGREEN,
bdcolor=False)
tsy = TSequence(g, YELLOW, 50)
tsr = TSequence(g, RED, 50)
for t in range(100):
g.clear()
tsy.add(0.9 * math.sin(t / 10))
tsr.add(0.4 * math.cos(t / 10))
refresh(ssd)
utime.sleep_ms(100)
def fields(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, fixed, verbose=False)
wri.set_clip(False, False, False)
textfield = Label(wri, 0, 2, wri.stringlen('longer'))
numfield = Label(wri, 25, 2, wri.stringlen('99.99'), bdcolor=None)
countfield = Label(wri, 0, 90, wri.stringlen('1'))
n = 1
random = xorshift64star(65535)
for s in ('short', 'longer', '1', ''):
textfield.value(s)
numfield.value('{:5.2f}'.format(random() / 1000))
countfield.value('{:1d}'.format(n))
n += 1
refresh(ssd)
utime.sleep(2)
textfield.value('Done', True)
refresh(ssd)
def test():
def tickcb(f, c):
if f > 0.8:
return RED
if f < -0.8:
return BLUE
return c
def legendcb(f):
return '{:2.0f}'.format(88 + ((f + 1) / 2) * (108 - 88))
refresh(ssd, True) # Initialise and clear display.
CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
scale1 = Scale(wri,
2,
2,
width=124,
legendcb=legendcb,
pointercolor=RED,
fontcolor=YELLOW)
asyncio.create_task(radio(scale1))
lbl = Label(wri,
ssd.height - wri.height - 2,
2,
50,
bgcolor=DARKGREEN,
bdcolor=RED,
fgcolor=WHITE)
# do_refresh is called with arg 4. In landscape mode this splits screen
# into segments of 240/4=60 lines. Here we ensure a scale straddles
# this boundary
scale = Scale(wri,
55,
2,
width=124,
tickcb=tickcb,
pointercolor=RED,
fontcolor=YELLOW,
bdcolor=CYAN)
asyncio.run(default(scale, lbl))
async def default(scale, lbl):
cv = -1.0 # Current
val = 1.0
while True:
v1, v2 = val, cv
steps = 400
delta = (val - cv) / steps
for _ in range(steps):
cv += delta
scale.value(cv)
lbl.value('{:4.3f}'.format(cv))
if hasattr(ssd, 'do_refresh'):
# Option to reduce uasyncio latency
await ssd.do_refresh()
else:
# Normal synchronous call
refresh(ssd)
await asyncio.sleep_ms(250)
val, cv = v2, v1
def aclock():
rtc = pyb.RTC()
uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Mon', 'Tue', 'Wed', 'Thur', 'Fri', 'Sat', 'Sun')
months = ('Jan', 'Feb', 'March', 'April', 'May', 'June', 'July', 'Aug',
'Sept', 'Oct', 'Nov', 'Dec')
# Instantiate Writer
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, font_small, verbose=False)
wri.set_clip(True, True, False)
wri_tim = Writer(ssd, font_large, verbose=False)
wri_tim.set_clip(True, True, False)
# Instantiate displayable objects
dial = Dial(wri, 2, 2, height=215, ticks=12, bdcolor=None, pip=True)
lbltim = Label(wri_tim, 50, 230, '00.00.00')
lbldat = Label(wri, 100, 230, 100)
hrs = Pointer(dial)
mins = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
while True:
t = rtc.datetime(
) # (year, month, day, weekday, hours, minutes, seconds, subseconds)
hang = -t[4] * pi / 6 - t[5] * pi / 360 # Angles of hands in radians
mang = -t[5] * pi / 30
if abs(hang -
mang) < pi / 360: # Avoid visually confusing overlap of hands
hang += pi / 30 # by making hr hand lag slightly
hrs.value(hstart * uv(hang))
mins.value(mstart * uv(mang))
lbltim.value('{:02d}.{:02d}'.format(t[4], t[5]))
lbldat.value('{} {} {} {}'.format(days[t[3] - 1], t[2],
months[t[1] - 1], t[0]))
refresh(ssd)
# Power saving: only refresh every 30s
for _ in range(30):
upower.lpdelay(1000)
ssd.update() # Toggle VCOM
def lem():
print('Lemniscate of Bernoulli.')
def populate():
t = -math.pi
while t <= math.pi + 0.1:
x = 0.5 * math.sqrt(2) * math.cos(t) / (math.sin(t)**2 + 1)
y = math.sqrt(2) * math.cos(t) * math.sin(t) / (math.sin(t)**2 + 1)
yield x, y
t += 0.1
refresh(ssd, True) # Clear any prior image
Label(wri, 82, 2, 'To infinity and beyond...')
g = CartesianGraph(wri,
2,
2,
height=75,
fgcolor=WHITE,
gridcolor=LIGHTGREEN)
curve = Curve(g, YELLOW, populate())
refresh(ssd)
def multi_fields(t):
print('multi_fields')
refresh(ssd, True) # Clear any prior image
nfields = []
dy = wri.height + 6
y = 2
col = 15
width = wri.stringlen('99.99')
for txt in ('X:', 'Y:', 'Z:'):
Label(wri, y, 0, txt) # Use wri default colors
nfields.append(Label(wri, y, col, width,
bdcolor=None)) # Specify a border, color TBD
y += dy
end = utime.ticks_add(utime.ticks_ms(), t * 1000)
while utime.ticks_diff(end, utime.ticks_ms()) > 0:
for field in nfields:
value = int.from_bytes(uos.urandom(3), 'little') / 167772
overrange = None if value < 70 else YELLOW if value < 90 else RED
field.value('{:5.2f}'.format(value),
fgcolor=overrange,
bdcolor=overrange)
refresh(ssd)
utime.sleep(1)
Label(wri, 0, 64, ' OK ', True, fgcolor=RED)
refresh(ssd)
utime.sleep(1)
def test():
def tickcb(f, c):
if f > 0.8:
return RED
if f < -0.8:
return BLUE
return c
def legendcb(f):
return '{:2.0f}'.format(88 + ((f + 1) / 2) * (108 - 88))
refresh(ssd) # Initialise and clear display.
CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = CWriter(ssd, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
scale1 = Scale(wri,
2,
2,
width=124,
legendcb=legendcb,
pointercolor=RED,
fontcolor=YELLOW)
asyncio.create_task(radio(scale1))
lbl = Label(wri,
ssd.height - wri.height - 2,
2,
50,
bgcolor=DARKGREEN,
bdcolor=RED,
fgcolor=WHITE)
scale = Scale(wri,
45,
2,
width=124,
tickcb=tickcb,
pointercolor=RED,
fontcolor=YELLOW,
bdcolor=CYAN)
asyncio.run(default(scale, lbl))
def aclock():
uv = lambda phi : cmath.rect(1, phi) # Return a unit vector of phase phi
pi = cmath.pi
days = ('Mon', 'Tue', 'Wed', 'Thur', 'Fri', 'Sat', 'Sun')
months = ('Jan', 'Feb', 'March', 'April', 'May', 'June', 'July',
'Aug', 'Sept', 'Oct', 'Nov', 'Dec')
# Instantiate Writer
Writer.set_textpos(ssd, 0, 0) # In case previous tests have altered it
wri = Writer(ssd, font_small, verbose=False)
wri.set_clip(True, True, False)
wri_tim = Writer(ssd, font_large, verbose=False)
wri_tim.set_clip(True, True, False)
# Instantiate displayable objects
dial = Dial(wri, 2, 2, height = 215, ticks = 12, bdcolor=None, pip=True)
lbltim = Label(wri_tim, 50, 230, '00.00.00')
lbldat = Label(wri, 100, 230, 100)
hrs = Pointer(dial)
mins = Pointer(dial)
secs = Pointer(dial)
hstart = 0 + 0.7j # Pointer lengths and position at top
mstart = 0 + 0.92j
sstart = 0 + 0.92j
while True:
t = utime.localtime()
hang = -t[3]*pi/6 - t[4]*pi/360 # Angles of hour and minute hands
mang = -t[4] * pi/30
sang = -t[5] * pi/30
if abs(hang - mang) < pi/360: # Avoid overlap of hr and min hands
hang += pi/30 # which is visually confusing. Add slight lag to hrs
hrs.value(hstart * uv(hang))
mins.value(mstart * uv(mang))
secs.value(sstart * uv(sang))
lbltim.value('{:02d}.{:02d}.{:02d}'.format(t[3], t[4], t[5]))
lbldat.value('{} {} {} {}'.format(days[t[6]], t[2], months[t[1] - 1], t[0]))
refresh(ssd)
utime.sleep(1)
async def main():
print('Press Pyboard usr button to stop test.')
# Asynchronously flash Pyboard LED's. Because we can.
leds = [
asyncio.create_task(flash(1, 200)),
asyncio.create_task(flash(2, 233))
]
# Task for each meter and GUI LED
mtasks = [
MyMeter(2, 'left').task,
MyMeter(50, 'right').task,
MyMeter(98, 'bass').task
]
k = Killer()
while True:
if await k.wait(800): # Switch was pressed
break
refresh(ssd)
for task in mtasks + leds:
task.cancel()
await asyncio.sleep_ms(0)
ssd.fill(0) # Clear display at end.
refresh(ssd)