def plot(datos):
import framebuf
spi = SPI(1, baudrate=328125, polarity=0, phase=0)
cs = Pin(2) #D4
dc = Pin(15) #D8
rst = Pin(0) #D3
#bl = Pin(12, Pin.OUT, value=1) #D6
print("Variables:OK")
lcd = pcd8544.PCD8544(spi, cs, dc, rst)
print("lcd ok")
buffer = bytearray((lcd.height // 8) * lcd.width)
framebuf = framebuf.FrameBuffer1(buffer, lcd.width, lcd.height)
framebuf.fill(1)
lcd.data(buffer)
time.sleep(1)
framebuf.fill(0)
lcd.data(buffer)
for i,y in zip(range(84),datos):
print(i, " {" ,round(y), "} ")
time.sleep_ms(40)
framebuf.pixel(i,round(y),1)
#eje y
#print(save)
framebuf.vline(0, 0, 96, 0xffff)
#eje x
framebuf.hline(0, 24, 96, 0xffff)
#escribiendo datas
lcd.data(buffer)
def __init__: sckPin = Pin(18) mosiPin = Pin(23) misoPin = Pin(19) spi = SPI(1, baudrate=328125, bits=8, polarity=0, phase=1, sck=sckPin, mosi=mosiPin, miso=misoPin) spi.init() cs = Pin(2) dc = Pin(15) rst = Pin(0) # backlight on bl = Pin(12, Pin.OUT, value=1) lcd = pcd8544.PCD8544(spi, cs, dc, rst) lcd.contrast(0x3c, pcd8544.BIAS_1_40, pcd8544.TEMP_COEFF_0) lcd.reset() lcd.init() lcd.clear() buffer = bytearray((lcd.height // 8) * lcd.width) framebuf = framebuf.FrameBuffer1(buffer, lcd.width, lcd.height) framebuf.fill(0) lcd.data(buffer)
def plotseno(w, phi, amplitud):
import framebuf
spi = SPI(1, baudrate=328125, polarity=0, phase=0)
cs = Pin(2) #D4
dc = Pin(15) #D8
rst = Pin(0) #D3
#bl = Pin(12, Pin.OUT, value=1) #D6
print("Variables:OK")
lcd = pcd8544.PCD8544(spi, cs, dc, rst)
print("lcd ok")
buffer = bytearray((lcd.height // 8) * lcd.width)
framebuf = framebuf.FrameBuffer1(buffer, lcd.width, lcd.height)
framebuf.fill(1)
lcd.data(buffer)
time.sleep(1)
framebuf.fill(0)
lcd.data(buffer)
save = []
for i in range(84):
y = 24 - amplitud * math.sin((i * w) + phi)
save.append(y)
print(i, " {", round(y), "} ", y)
time.sleep_ms(40)
framebuf.pixel(i, round(y), 1)
#eje y
print(save)
framebuf.vline(0, 0, 96, 0xffff)
#eje x
framebuf.hline(0, 24, 96, 0xffff)
#escribiendo datas
lcd.data(buffer)
def decrypt_screen():
framebuf.fill(0)
framebuf.text(wallets[wallet_index][0], 0, 0, 1)
framebuf.text("secret", 36, 0, 1)
framebuf.line(0, 8, 84, 8, 1)
framebuf.text("Enter pin", 6, 15, 1)
framebuf.text("to decrypt", 2, 38, 1)
framebuf.rect(8, 25, 68, 11, 1)
framebuf.text("0", 10, 27, 1)
lcd.data(buffer)
def start_screen():
global wallets
global wallet_index
global wallet_page
wallets = []
wallet_index = 0
wallet_page = 0
framebuf.fill(0)
if state == 1000:
framebuf.text('Writing', 0, 0, 1)
else:
framebuf.text('Scan the', 0, 0, 1)
framebuf.text('card...', 0, 10, 1)
framebuf.rect(8, 28, 68, 8, 1)
lcd.data(buffer)
def display_wallet():
framebuf.fill(0)
if wallet_index < len(wallets):
framebuf.text(wallets[wallet_index][0], 0, 0, 1)
framebuf.text("wallet", 36, 0, 1)
framebuf.line(0, 8, 84, 8, 1)
for y in range(1, 5):
framebuf.text(
wallets[wallet_index][1][(y - 1) * 10 +
40 * wallet_page:y * 10 +
40 * wallet_page], 0, 10 * y, 1)
else:
framebuf.text("End", 30, 0, 1)
framebuf.text("session?", 10, 10, 1)
framebuf.text('Press (3)', 6, 25, 1)
framebuf.text('to restart', 2, 35, 1)
lcd.data(buffer)
for i in range(5):
a = data[i * 128:i * 128 + 128]
address_type = ''.join(chr(i) for i in a[:4])
if address_type in wallet_types:
print(address_type + " wallet detected")
wallets.append([])
wallets[-1].append(address_type)
wallets[-1].append(get_addr(a[4:64], address_type))
wallets[-1].append(a[64:])
if wallets:
#print(wallets)
display_wallet()
state = 2
else:
print("No wallets detected!")
framebuf.fill(0)
framebuf.text('No wallets', 0, 0, 1)
framebuf.text('detected!', 0, 10, 1)
framebuf.text('Press (3)', 6, 25, 1)
framebuf.text('to restart', 2, 35, 1)
lcd.data(buffer)
state = -1
elif state == 2:
if btn_1.value() == 0 and wallet_index != len(wallets):
if len(wallets[wallet_index][1]) > 40:
wallet_page = (wallet_page + 1) % 2
display_wallet()
sleep(0.5)
elif btn_2.value() == 0:
wallet_index = (wallet_index + 1) % (len(wallets) + 1)
wallet_page = 0
>>> bl.value(0)
```
Switch on the backlight:
```python
>>> bl.value(1)
```
>>> import framebuf
>>> buffer = bytearray((lcd.height // 8) * lcd.width)
>>> framebuf = framebuf.FrameBuffer1(buffer, lcd.width, lcd.height)
Light every pixel:
>>> framebuf.fill(1)
>>> lcd.data(buffer)
Clear screen:
>>> framebuf.fill(0)
>>> lcd.data(buffer)
Print Hello, World! using the 8x8 font:
>>> framebuf.text("Hello,", 0, 0, 1)
>>> framebuf.text("World!", 0, 9, 1)
>>> lcd.data(buffer)
## Referencias
[Modulo para pcd8544](https://github.com/mcauser/micropython-pcd8544 )
[Con sensor DHT](https://github.com/mcauser/MicroPython-ESP8266-DHT-Nokia-5110)
lcd.init()
lcd.clear()
buffer = bytearray((lcd.height // 8) * lcd.width)
framebuf = framebuf.FrameBuffer1(buffer, lcd.width, lcd.height)
rtc = machine.RTC()
rtc.ntp_sync('a.ntp.br')
rtc.init(rtc.now())
def watch():
data = strftime('%d/%m/%y')
relogio = strftime('%H:%M:%S')
lcd.position(0, 0)
while True:
framebuf.text(data, 10, 12, 1)
framebuf.text(relogio, 10, 24, 1)
lcd.data(buffer)
agora = strftime('%H:%M:%S')
if relogio != agora:
relogio = agora
framebuf.fill(0) # clear framebuffer
utime.sleep(1)
lcd.data(buffer)
_thread.start_new_thread("clock", watch, ())
def urectangular(max, puntos, K, amplitud, w0, phi):
print("urectangular")
import framebuf
spi = SPI(1, baudrate=328125, polarity=0, phase=0)
cs = Pin(2) #D4
dc = Pin(15) #D8
rst = Pin(0) #D3
#bl = Pin(12, Pin.OUT, value=1) #D6
print("Variables:OK")
lcd = pcd8544.PCD8544(spi, cs, dc, rst)
print("lcd ok")
buffer = bytearray((lcd.height // 8) * lcd.width)
framebuf = framebuf.FrameBuffer1(buffer, lcd.width, lcd.height)
framebuf.fill(1)
lcd.data(buffer)
time.sleep(1)
framebuf.fill(0)
lcd.data(buffer)
print("Iniciando...")
count = 0
y_record = [] #
y_res = []
T = calculadora.ulinspace(max, puntos)
#print(T)
for k in range(1, K + 1):
#print("k -> ",k)
for t in T:
#print("Operacion: ", "k -> ",k, ", t -> ",t)
y = amplitud * (4 / math.pi) * (math.sin(
((2 * k - 1) * (w0 * t + phi))) / (2 * k - 1))
y_record.append(y) #Lista de puntos de la funcion.
time.sleep_ms(10)
count = count + 1
gc.collect()
#diseno: esta agregando a la lista ambas funciones.
#
print(count, "ok")
time.sleep(1)
print("Puntos: ", len(T), ", tamano del arreglo ", len(y_record),
" presicion: ", K)
for i in range(puntos):
#print("Suma: ", i, " con ", i+(K-1)*puntos )
#time.sleep(0.2)
y_res.append(y_record[i] + y_record[i + (K - 1) * puntos])
time.sleep_ms(10)
K = K - 1
while K != 1:
for i in range(puntos):
#print("Suma while: ", i, " con ", i+(K-1)*puntos )
#time.sleep(0.2)
y_res[i] = y_res[i] + y_record[i + (K - 1) * puntos]
time.sleep_ms(10)
print("Tamano del arreglo res", len(y_res), "presicion: ", K)
K = K - 1
print(len(y_res))
count = 1
for y in y_res:
print(y, round(y))
time.sleep_ms(10)
framebuf.pixel(count, 24 - round(y), 1)
count = count + 1
#eje y
framebuf.vline(0, 0, 96, 0xffff)
#eje x
framebuf.hline(0, 24, 96, 0xffff)
#escribiendo datas
lcd.data(buffer)
