def vari_fields():
print('Variable label styles.')
refresh(st7735, True) # Clear any prior image
wri_large = CWriter(st7735, freesans20, GREEN, BLACK, verbose=False)
wri_large.set_clip(True, True, False)
Label(wri_large, 0, 0, 'Text')
Label(wri_large, 20, 0, 'Border')
width = wri_large.stringlen('Yellow')
lbl_text = Label(wri_large, 0, 65, width)
lbl_bord = Label(wri_large, 20, 65, width)
lbl_text.value('Red')
lbl_bord.value('Red')
lbl_var = Label(wri_large, 50, 2, '25.46', fgcolor=RED, bdcolor=RED)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Red')
lbl_bord.value('Yellow')
lbl_var.value(bdcolor=YELLOW)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Red')
lbl_bord.value('None')
lbl_var.value(bdcolor=False)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Yellow')
lbl_bord.value('None')
lbl_var.value(fgcolor=YELLOW)
refresh(st7735)
utime.sleep(2)
lbl_text.value('Blue')
lbl_bord.value('Green')
lbl_var.value('18.99', fgcolor=BLUE, bdcolor=GREEN)
Label(wri, st7735.height - wri.height - 2, 0, 'Done', fgcolor=RED)
refresh(st7735)
def __init__(self, ScreenDriver):
self.width = SCR_WIDTH
self.height = SCR_HEIGHT
self.ScreenDriver = ScreenDriver
self.buffer = bytearray(self.height * self.width * 2)
super().__init__(self.buffer, self.width, self.height, framebuf.RGB565)
self.writer = {}
self.writer['font6'] = CWriter(self, font6, 0xffff, 0)
self.writer['roboto18'] = CWriter(self, roboto18, 0xffff, 0)
def renderText(self,
text,
x,
y,
fgcolor=0xffff,
bgcolor=0x0000,
font='font6'):
CWriter.set_textpos(self, y, x)
self.writer[font].setcolor(fgcolor, bgcolor)
self.writer[font].printstring(text)
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)
def __init__(self, x, text):
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)
super().__init__(wri,
5,
x,
divisions=4,
ptcolor=YELLOW,
label=text,
style=Meter.BAR,
legends=('0.0', '0.5', '1.0'))
self.led = LED(wri,
ssd.height - 16 - wri.height,
x,
bdcolor=YELLOW,
label='over')
self.task = asyncio.create_task(self._run())
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')
CWriter.set_textpos(st7735, 0, 0) # In case previous tests have altered it
wri = CWriter(st7735, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
# Instantiate displayable objects
refresh(st7735, True) # Clear any prior image
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 = cetTime()
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(st7735)
utime.sleep(1)
mosi = Pin(23)
SPI_CS = 26
SPI_DC = 5
spi = SPI(2, baudrate=32000000, sck=sck, mosi=mosi, miso=miso)
tft = Display(spi, SPI_CS, SPI_DC)
# Fonts
import fonts.arial10 as arial10
import fonts.freesans20 as freesans20
GREEN = color565(0, 255, 0)
RED = color565(255, 0, 0)
BLUE = color565(0, 0, 255)
YELLOW = color565(255, 255, 0)
BLACK = 0
CWriter.set_textpos(tft, 0, 0) # In case previous tests have altered it
wri = CWriter(tft, arial10, GREEN, BLACK, verbose=False)
wri.set_clip(True, True, False)
class Point():
def __init__(self, dial):
self.dial = dial
self.val = 0 + 0j
self.color = None
def value(self, v=None, color=None):
self.color = color
if v is not None:
if isinstance(v, complex):
l = cmath.polar(v)[0]
SPI_DC = 15
spi = SPI(1)
elif sys.platform == 'esp32':
print('1.4 inch TFT screen test on ESP32')
sck = Pin(18)
miso = Pin(19)
mosi = Pin(23)
SPI_CS = 26
SPI_DC = 5
spi = SPI(2, baudrate=32000000, sck=sck, mosi=mosi, miso=miso)
st7735 = Display(spi, SPI_CS, SPI_DC)
refresh(st7735)
CWriter.set_textpos(st7735, 0, 0) # In case previous tests have altered it
wri = CWriter(st7735, arial10, Display.GREEN, Display.BLACK, verbose=False)
wri.set_clip(True, True, False)
def meter():
print('meter')
refresh(st7735, True) # Clear any prior image
title = Label(wri,
2,
10,
'SHT30 measurements',
fgcolor=Display.WHITE,
bdcolor=Display.WHITE)
tempLabel = Label(wri,
def test():
st7735.clear()
rhs = st7735.size()[0] - 1
print("rhs: ", rhs)
st7735.line(rhs - 20, 0, rhs, 20, Display.WHITE)
square_side = 10
st7735.fill_rect(rhs - square_side, 0, square_side, square_side,
Display.BLUE)
wri = CWriter(st7735, freesans20)
wri.setcolor(Display.GREEN, Display.BLACK)
wri.set_textpos(st7735, 0, 0) # verbose = False to suppress console output
wri.printstring('Sunday\n')
wri.printstring('12 Aug 2018\n')
wri.printstring('10.30am')
st7735.show()
def usd_scroll(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
# Only CWriter can do usd
CWriter.invert_display(ssd)
CWriter.set_textpos(ssd, 0, 0)
wri = CWriter(ssd, freesans20, verbose=False)
wri.set_clip(False, False, False) # Char wrap
wri.printstring('Sunday\n')
wri.printstring('12 Aug 2018\n')
wri.printstring('10.30am')
for x in range(5):
ssd.show()
utime.sleep(2)
wri.printstring('\nCount = {:2d}'.format(x))
ssd.show()
utime.sleep(2)
wri.printstring('\nDone.')
ssd.show()
CWriter.invert_display(ssd, False) # For subsequent tests
def usd_tabs(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
CWriter.invert_display(ssd)
CWriter.set_textpos(ssd, 0, 0)
wri = CWriter(ssd, fixed, verbose=False)
wri.set_clip(False, False, False) # Char wrap
wri.printstring('1\t2\n')
wri.printstring('111\t22\n')
wri.printstring('1111\t1')
ssd.show()
CWriter.invert_display(ssd, False) # For subsequent tests
def usd(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
# Only CWriter can do usd
CWriter.invert_display(ssd)
CWriter.set_textpos(ssd, 0, 0)
wri = CWriter(ssd, freesans20, verbose=False)
wri.set_clip(False, False, False) # Char wrap
wri.printstring('Sunday\n')
wri.printstring('12 Aug 2018\n')
wri.printstring('10.30am')
ssd.show()
CWriter.invert_display(ssd, False) # For subsequent tests
async def run(self, pir, ssd):
# Define colors
white = ssd.rgb(255, 255, 255)
black = ssd.rgb(0, 0, 0)
red = ssd.rgb(255, 0, 0)
blue = ssd.rgb(0, 0, 255)
yellow = ssd.rgb(255, 255, 0)
green = ssd.rgb(0, 255, 0)
# Instantiate CWriters
wri_l = CWriter(ssd, font, green, black, self.verbose) # Large font.
wri_s = CWriter(ssd, arial10, white, black, self.verbose) # Small text
# Instantiate interpolator and draw the scale
interp = Interpolator(pir)
self.draw_scale(ssd)
while True:
t = ticks_ms() # For verbose timing
self.mapper.set_range(self.tmin, self.tmax)
interp.refresh() # Acquire data
max_t = -1000
min_t = 1000
sum_t = 0
for row in range(32):
for col in range(32):
# Transpose, reflect and invert
val = interp((31 - col) / 31, row / 31)
max_t = max(max_t, val)
min_t = min(min_t, val)
sum_t += val
ssd.rect(col * 2, row * 2, 2, 2,
ssd.rgb(*self.mapper(val)))
await asyncio.sleep(0)
self.avg = round(sum_t / 1024)
if self.mode == _AUTO:
self.tmin = round(min_t)
self.tmax = round(max_t)
if self.rf_disp:
if self.rf_txt:
wri_l.set_textpos(ssd, 66, 0)
wri_l.printstring('Max:{:+4d}C\n'.format(int(max_t)))
wri_l.printstring('Min:{:+4d}C\n'.format(int(min_t)))
wri_l.printstring('Avg:{:+4d}C'.format(self.avg))
wri_s.set_textpos(ssd, 128 - arial10.height(), 64)
wri_s.setcolor(yellow, black)
wri_s.printstring('Chip:{:5.1f}C'.format(
pir.temperature()))
wri_s.set_textpos(ssd, 0, 90)
wri_s.setcolor(red, black)
wri_s.printstring('{:4d}C '.format(self.tmax))
wri_s.set_textpos(ssd, 28, 95)
wri_s.setcolor(green, black)
if self.mode == _HOG:
wri_s.printstring('Hog ')
elif self.mode == _NORM:
wri_s.printstring('Norm ')
else:
wri_s.printstring('Auto ')
wri_s.set_textpos(ssd, 64 - arial10.height(), 90)
wri_s.setcolor(blue, black)
wri_s.printstring('{:4d}C '.format(self.tmin))
self.rf_txt = False
ssd.show()
self.verbose and print(ticks_diff(ticks_ms(), t))
gc.collect()
def usd_scroll(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
# Only CWriter can do usd
CWriter.invert_display(ssd)
CWriter.set_textpos(ssd, 0, 0)
wri = CWriter(ssd, freesans20, verbose=False)
wri.set_clip(False, False, False) # Char wrap
wri.printstring('Sunday\n')
wri.printstring('12 Aug 2018\n')
wri.printstring('10.30am')
for x in range(5):
ssd.show()
utime.sleep(2)
wri.printstring('\nCount = {:2d}'.format(x))
ssd.show()
utime.sleep(2)
wri.printstring('\nDone.')
ssd.show()
CWriter.invert_display(ssd, False) # For subsequent tests
def usd_tabs(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
CWriter.invert_display(ssd)
CWriter.set_textpos(ssd, 0, 0)
wri = CWriter(ssd, fixed, verbose=False)
wri.set_clip(False, False, False) # Char wrap
wri.printstring('1\t2\n')
wri.printstring('111\t22\n')
wri.printstring('1111\t1')
ssd.show()
CWriter.invert_display(ssd, False) # For subsequent tests
def usd(use_spi=False, soft=True):
ssd = setup(use_spi, soft) # Create a display instance
# Only CWriter can do usd
CWriter.invert_display(ssd)
CWriter.set_textpos(ssd, 0, 0)
wri = CWriter(ssd, freesans20, verbose=False)
wri.set_clip(False, False, False) # Char wrap
wri.printstring('Sunday\n')
wri.printstring('12 Aug 2018\n')
wri.printstring('10.30am')
ssd.show()
CWriter.invert_display(ssd, False) # For subsequent tests