add BLE UART, test work

This commit is contained in:
Tomas Krejci 2024-05-28 17:59:53 +02:00
parent 1bea9dfa0b
commit bc983bdd39
10 changed files with 107 additions and 824 deletions

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import sys
sys.path.append("")
from micropython import const
import uasyncio as asyncio
import aioble
import bluetooth
import random
import struct
# org.bluetooth.service.environmental_sensing
_ENV_SENSE_UUID = bluetooth.UUID(0x181A)
# org.bluetooth.characteristic.temperature
_ENV_SENSE_TEMP_UUID = bluetooth.UUID(0x2A6E)
# org.bluetooth.characteristic.gap.appearance.xml
_ADV_APPEARANCE_GENERIC_THERMOMETER = const(768)
# How frequently to send advertising beacons.
_ADV_INTERVAL_MS = 250_000
# Register GATT server.
temp_service = aioble.Service(_ENV_SENSE_UUID)
temp_characteristic = aioble.Characteristic(
temp_service, _ENV_SENSE_TEMP_UUID, read=True, notify=True
)
aioble.register_services(temp_service)
# Helper to encode the temperature characteristic encoding (sint16, hundredths of a degree).
def _encode_temperature(temp_deg_c):
return struct.pack("<h", int(temp_deg_c * 100))
# This would be periodically polling a hardware sensor.
async def sensor_task():
t = 24.5
while True:
temp_characteristic.write(_encode_temperature(t))
t += random.uniform(-0.5, 0.5)
await asyncio.sleep_ms(1000)
# Serially wait for connections. Don't advertise while a central is
# connected.
async def peripheral_task():
while True:
async with await aioble.advertise(
_ADV_INTERVAL_MS,
name="mpy-temp",
services=[_ENV_SENSE_UUID],
appearance=_ADV_APPEARANCE_GENERIC_THERMOMETER,
) as connection:
print("Connection from", connection.device)
await connection.disconnected()
# Run both tasks.
async def main():
t1 = asyncio.create_task(sensor_task())
t2 = asyncio.create_task(peripheral_task())
await asyncio.gather(t1, t2)
asyncio.run(main())

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#import time
from machine import Pin, ADC
import aioble
import uasyncio as asyncio
import bluetooth
from micropython import const
_ADVERTISING_INTERVAL_US = const(200_000)
_APPEARANCE = const(0x0552) # Multi-sensor
_TEMP_MEASUREMENT_INTERVAL_MS = const(15_000)
_TEMP_MEASUREMENT_FREQUENCY = const(15_000)
connected=False
async def task_peripheral():
""" Task to handle advertising and connections """
global connected
while True:
connected = False
async with await aioble.advertise(
_ADVERTISING_INTERVAL_US,
appearance=_APPEARANCE,
name='RP2-SENSOR',
services=[_SVC_DEVICE_INFO]
) as connection:
print("Connected from ", connection.device)
connected = True
async def task_flash_led():
""" Blink the on-board LED, faster if disconnected and slower if connected """
BLINK_DELAY_MS_FAST = const(100)
BLINK_DELAY_MS_SLOW = const(500)
while True:
led.toggle()
if connected:
await asyncio.sleep_ms(BLINK_DELAY_MS_SLOW)
else:
await asyncio.sleep_ms(BLINK_DELAY_MS_FAST)
async def task_sensor():
""" Task to handle sensor measures """
while True:
temperature = 27.0 - ((adc.read_u16() * 3.3 / 65535) - 0.706) / 0.001721
print("T: {}°C".format(temperature))
await asyncio.sleep_ms(_TEMP_MEASUREMENT_FREQUENCY)
#time.sleep_ms(_TEMP_MEASUREMENT_INTERVAL_MS)
led = Pin('LED', Pin.OUT)
adc = ADC(4)
# Constants for the device information service
_SVC_DEVICE_INFO = bluetooth.UUID(0x180A)
svc_dev_info = aioble.Service(_SVC_DEVICE_INFO)
_CHAR_MANUFACTURER_NAME_STR = bluetooth.UUID(0x2A29)
_CHAR_MODEL_NUMBER_STR = bluetooth.UUID(0x2A24)
_CHAR_SERIAL_NUMBER_STR = bluetooth.UUID(0x2A25)
_CHAR_FIRMWARE_REV_STR = bluetooth.UUID(0x2A26)
_CHAR_HARDWARE_REV_STR = bluetooth.UUID(0x2A27)
# Create characteristics for device info
aioble.Characteristic(svc_dev_info, _CHAR_MANUFACTURER_NAME_STR, read=True, initial='Njord')
aioble.Characteristic(svc_dev_info, _CHAR_MODEL_NUMBER_STR, read=True, initial='J-0001')
aioble.Characteristic(svc_dev_info, _CHAR_SERIAL_NUMBER_STR, read=True, initial='J-0001-0000')
aioble.Characteristic(svc_dev_info, _CHAR_FIRMWARE_REV_STR, read=True, initial='0.0.1')
aioble.Characteristic(svc_dev_info, _CHAR_HARDWARE_REV_STR, read=True, initial='0.0.1')
aioble.register_services(svc_dev_info)
async def main():
""" Create all the tasks """
tasks = [
asyncio.create_task(task_peripheral()),
asyncio.create_task(task_flash_led()),
asyncio.create_task(task_sensor()),
]
asyncio.gather(*tasks)
asyncio.run(main())

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# Kevin McAleer
# 2023-06-28
# Bluetooth cores specification versio 5.4 (0x0D)
import sys
import aioble
import bluetooth
import gc
import machine
import uasyncio as asyncio
from micropython import const, mem_info
#from pico_lcd_1_14 import LCD_1inch14
from machine import Pin,SPI,PWM
import framebuf
def uid():
""" Return the unique id of the device as a string """
return "{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}".format(
*machine.unique_id())
MANUFACTURER_ID = const(0x02A29)
MODEL_NUMBER_ID = const(0x2A24)
SERIAL_NUMBER_ID = const(0x2A25)
HARDWARE_REVISION_ID = const(0x2A26)
BLE_VERSION_ID = const(0x2A28)
led = machine.Pin("LED", machine.Pin.OUT)
# Begin set up of LCD
BL = 13
DC = 8
RST = 12
MOSI = 11
SCK = 10
CS = 9
pwm = PWM(Pin(BL))
pwm.freq(1000)
pwm.duty_u16(32768)#max 65535
#LCD = LCD_1inch14()
#color BRG
""""
LCD.fill(LCD.white)
LCD.show()
LCD.text("Raspberry Pi Pico",90,40,LCD.red)
LCD.text("PicoGo",90,60,LCD.green)
LCD.text("Pico-LCD-1.14",90,80,LCD.blue)
LCD.hline(10,10,220,LCD.blue)
LCD.hline(10,125,220,LCD.blue)
LCD.vline(10,10,115,LCD.blue)
LCD.vline(230,10,115,LCD.blue)
LCD.show()
"""
keyA = Pin(15,Pin.IN,Pin.PULL_UP)
keyB = Pin(17,Pin.IN,Pin.PULL_UP)
key2 = Pin(2 ,Pin.IN,Pin.PULL_UP)
key3 = Pin(3 ,Pin.IN,Pin.PULL_UP)
key4 = Pin(16 ,Pin.IN,Pin.PULL_UP)
key5 = Pin(18 ,Pin.IN,Pin.PULL_UP)
key6 = Pin(20 ,Pin.IN,Pin.PULL_UP)
# End of LCD setup
# _ENV_SENSE_TEMP_UUID = bluetooth.UUID(0x1800)
_GENERIC = bluetooth.UUID(0x1848)
_BUTTON_UUID = bluetooth.UUID(0x2A6E)
_ROBOT = bluetooth.UUID(0x180A)
_BLE_APPEARANCE_GENERIC_REMOTE_CONTROL = const(384)
# Advertising frequency
ADV_INTERVAL_MS = 250_000
device_info = aioble.Service(_ROBOT)
connection = None
# Create characteristics for device info
aioble.Characteristic(device_info, bluetooth.UUID(MANUFACTURER_ID), read=True, initial="KevsRobotsRemote")
aioble.Characteristic(device_info, bluetooth.UUID(MODEL_NUMBER_ID), read=True, initial="1.0")
aioble.Characteristic(device_info, bluetooth.UUID(SERIAL_NUMBER_ID), read=True, initial=uid())
aioble.Characteristic(device_info, bluetooth.UUID(HARDWARE_REVISION_ID), read=True, initial=sys.version)
aioble.Characteristic(device_info, bluetooth.UUID(BLE_VERSION_ID), read=True, initial="1.0")
remote_service = aioble.Service(_GENERIC)
button_characteristic = aioble.Characteristic(
remote_service, _BUTTON_UUID, read=True, notify=True
)
print('registering services')
aioble.register_services(remote_service, device_info)
connected = False
async def remote_task():
""" Send the event to the connected device """
while True:
if not connected:
print('not connected')
await asyncio.sleep_ms(1000)
continue
if (keyA.value() == 0):
button_characteristic.write(b"a")
button_characteristic.notify(connection, b"a")
elif (keyB.value() == 0):
button_characteristic.write(b"b")
button_characteristic.notify(connection, b"b")
elif (key2.value() == 0):
button_characteristic.write(b"u")
button_characteristic.notify(connection, b"u")
elif (key3.value() == 0):
button_characteristic.write(b"c")
button_characteristic.notify(connection, b"c")
elif (key4.value() == 0):
button_characteristic.write(b"l")
button_characteristic.notify(connection, b"l")
elif (key5.value() == 0):
button_characteristic.write(b"d")
button_characteristic.notify(connection, b"d")
elif (key6.value() == 0):
button_characteristic.write(b"r")
button_characteristic.notify(connection, b"r")
else:
button_characteristic.notify(connection, b"!")
# Show button pushed on LCD
if(keyA.value() == 0):
# LCD.fill_rect(208,12,20,20,LCD.red)
print("A")
# else :
# LCD.fill_rect(208,12,20,20,LCD.white)
# LCD.rect(208,12,20,20,LCD.red)
if(keyB.value() == 0):
print("B")
else :
pass
# LCD.fill_rect(208,103,20,20,LCD.white)
# LCD.rect(208,103,20,20,LCD.red)
if(key2.value() == 0):
# LCD.fill_rect(37,35,20,20,LCD.red)
print("UP")
else :
pass
# LCD.fill_rect(37,35,20,20,LCD.white)
# LCD.rect(37,35,20,20,LCD.red)
if(key3.value() == 0):
# LCD.fill_rect(37,60,20,20,LCD.red)
print("CTRL")
else :
pass
# LCD.fill_rect(37,60,20,20,LCD.white)
# LCD.rect(37,60,20,20,LCD.red)
if(key4.value() == 0):
# LCD.fill_rect(12,60,20,20,LCD.red)
print("LEFT")
else :
pass
# LCD.fill_rect(12,60,20,20,LCD.white)
# LCD.rect(12,60,20,20,LCD.red)
if(key5.value() == 0):
# LCD.fill_rect(37,85,20,20,LCD.red)
print("DOWN")
else :
pass
# LCD.fill_rect(37,85,20,20,LCD.white)
# LCD.rect(37,85,20,20,LCD.red)
if(key6.value() == 0):
# LCD.fill_rect(62,60,20,20,LCD.red)
print("RIGHT")
else :
pass
# LCD.fill_rect(62,60,20,20,LCD.white)
# LCD.rect(62,60,20,20,LCD.red)
# LCD.show()
await asyncio.sleep_ms(10)
# Serially wait for connections.
# Don't advertise while a central is connected
async def peripheral_task():
print('peripheral task started')
global connected, connection
while True:
connected = False
async with await aioble.advertise(
ADV_INTERVAL_MS,
name="KevsRobots",
appearance=_BLE_APPEARANCE_GENERIC_REMOTE_CONTROL,
services=[_GENERIC]
) as connection:
print("Connection from", connection.device)
connected = True
print(f"connected: {connected}")
await connection.disconnected(timeout_ms=None)
print(f'disconnected')
async def blink_task():
print('blink task started')
toggle = True
while True:
led.value(toggle)
toggle = not toggle
blink = 1000
if connected:
blink = 1000
else:
blink = 250
await asyncio.sleep_ms(blink)
async def main():
tasks = [
asyncio.create_task(peripheral_task()),
asyncio.create_task(blink_task()),
asyncio.create_task(remote_task()),
]
await asyncio.gather(*tasks)
asyncio.run(main())

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# This example demonstrates a UART periperhal.
# This example demonstrates the low-level bluetooth module. For most
# applications, we recommend using the higher-level aioble library which takes
# care of all IRQ handling and connection management. See
# https://github.com/micropython/micropython-lib/tree/master/micropython/bluetooth/aioble
import bluetooth
import random
import struct
import time
from ble_advertising import advertising_payload
from micropython import const
_IRQ_CENTRAL_CONNECT = const(1)
_IRQ_CENTRAL_DISCONNECT = const(2)
_IRQ_GATTS_WRITE = const(3)
_FLAG_READ = const(0x0002)
_FLAG_WRITE_NO_RESPONSE = const(0x0004)
_FLAG_WRITE = const(0x0008)
_FLAG_NOTIFY = const(0x0010)
_UART_UUID = bluetooth.UUID("6E400001-B5A3-F393-E0A9-E50E24DCCA9E")
_UART_TX = (
bluetooth.UUID("6E400003-B5A3-F393-E0A9-E50E24DCCA9E"),
_FLAG_READ | _FLAG_NOTIFY,
)
_UART_RX = (
bluetooth.UUID("6E400002-B5A3-F393-E0A9-E50E24DCCA9E"),
_FLAG_WRITE | _FLAG_WRITE_NO_RESPONSE,
)
_UART_SERVICE = (
_UART_UUID,
(_UART_TX, _UART_RX),
)
class BLESimplePeripheral:
def __init__(self, ble, name="mpy-uart"):
self._ble = ble
self._ble.active(True)
self._ble.irq(self._irq)
((self._handle_tx, self._handle_rx),) = self._ble.gatts_register_services((_UART_SERVICE,))
self._connections = set()
self._write_callback = None
self._payload = advertising_payload(name=name, services=[_UART_UUID])
self._advertise()
def _irq(self, event, data):
# Track connections so we can send notifications.
if event == _IRQ_CENTRAL_CONNECT:
conn_handle, _, _ = data
print("New connection", conn_handle)
self._connections.add(conn_handle)
elif event == _IRQ_CENTRAL_DISCONNECT:
conn_handle, _, _ = data
print("Disconnected", conn_handle)
self._connections.remove(conn_handle)
# Start advertising again to allow a new connection.
self._advertise()
elif event == _IRQ_GATTS_WRITE:
conn_handle, value_handle = data
value = self._ble.gatts_read(value_handle)
if value_handle == self._handle_rx and self._write_callback:
self._write_callback(value)
def send(self, data):
for conn_handle in self._connections:
self._ble.gatts_notify(conn_handle, self._handle_tx, data)
def is_connected(self):
return len(self._connections) > 0
def _advertise(self, interval_us=500000):
print("Starting advertising")
self._ble.gap_advertise(interval_us, adv_data=self._payload)
def on_write(self, callback):
self._write_callback = callback
def demo():
ble = bluetooth.BLE()
p = BLESimplePeripheral(ble)
def on_rx(v):
print("RX", v)
p.on_write(on_rx)
i = 0
while True:
if p.is_connected():
# Short burst of queued notifications.
for _ in range(3):
data = str(i) + "_"
print("TX", data)
p.send(data)
i += 1
time.sleep_ms(100)
if __name__ == "__main__":
demo()

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lib/ble_uart/__init__.py Normal file
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import bluetooth
from ble_uart.ble_advertising import advertising_payload
from micropython import const
_IRQ_CENTRAL_CONNECT = const(1)
_IRQ_CENTRAL_DISCONNECT = const(2)
_IRQ_GATTS_WRITE = const(3)
_FLAG_WRITE = const(0x0008)
_FLAG_NOTIFY = const(0x0010)
_UART_UUID = bluetooth.UUID("6E400001-B5A3-F393-E0A9-E50E24DCCA9E")
_UART_TX = (
bluetooth.UUID("6E400003-B5A3-F393-E0A9-E50E24DCCA9E"),
_FLAG_NOTIFY,
)
_UART_RX = (
bluetooth.UUID("6E400002-B5A3-F393-E0A9-E50E24DCCA9E"),
_FLAG_WRITE,
)
_UART_SERVICE = (
_UART_UUID,
(_UART_TX, _UART_RX),
)
# org.bluetooth.characteristic.gap.appearance.xml
_ADV_APPEARANCE_GENERIC_COMPUTER = const(128)
class Ble_uart:
def __init__(self, ble, on_rx=None, name="mpy-uart", rxbuf=100):
self._ble = ble
self._ble.active(True)
self._ble.irq(self._irq)
((self._tx_handle, self._rx_handle),) = self._ble.gatts_register_services(
(_UART_SERVICE,)
)
# Increase the size of the rx buffer and enable append mode.
self._ble.gatts_set_buffer(self._rx_handle, rxbuf, True)
self._connections = set()
self._rx_buffer = bytearray()
self._handler = None
# Optionally add services=[_UART_UUID], but this is likely to make the payload too large.
self._payload = advertising_payload(
name=name, appearance=_ADV_APPEARANCE_GENERIC_COMPUTER
)
self._advertise()
self.irq(handler=on_rx)
def irq(self, handler):
self._handler = handler
def _irq(self, event, data):
# Track connections so we can send notifications.
if event == _IRQ_CENTRAL_CONNECT:
conn_handle, _, _ = data
self._connections.add(conn_handle)
elif event == _IRQ_CENTRAL_DISCONNECT:
conn_handle, _, _ = data
if conn_handle in self._connections:
self._connections.remove(conn_handle)
# Start advertising again to allow a new connection.
self._advertise()
elif event == _IRQ_GATTS_WRITE:
conn_handle, value_handle = data
if conn_handle in self._connections and value_handle == self._rx_handle:
self._rx_buffer += self._ble.gatts_read(self._rx_handle)
if self._handler:
self._handler()
def any(self):
return len(self._rx_buffer)
def read(self, sz=None):
if not sz:
sz = len(self._rx_buffer)
result = self._rx_buffer[0:sz]
self._rx_buffer = self._rx_buffer[sz:]
return result
def write(self, data):
for conn_handle in self._connections:
self._ble.gatts_notify(conn_handle, self._tx_handle, data)
def close(self):
for conn_handle in self._connections:
self._ble.gap_disconnect(conn_handle)
self._connections.clear()
def _advertise(self, interval_us=500000):
self._ble.gap_advertise(interval_us, adv_data=self._payload)

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# Helpers for generating BLE advertising payloads.
# A more fully-featured (and easier to use) version of this is implemented in
# aioble. This code is provided just as a basic example. See
# https://github.com/micropython/micropython-lib/tree/master/micropython/bluetooth/aioble
from micropython import const
import struct
import bluetooth
@ -23,8 +19,6 @@ _ADV_TYPE_UUID32_MORE = const(0x4)
_ADV_TYPE_UUID128_MORE = const(0x6)
_ADV_TYPE_APPEARANCE = const(0x19)
_ADV_MAX_PAYLOAD = const(31)
# Generate a payload to be passed to gap_advertise(adv_data=...).
def advertising_payload(limited_disc=False, br_edr=False, name=None, services=None, appearance=0):
@ -56,9 +50,6 @@ def advertising_payload(limited_disc=False, br_edr=False, name=None, services=No
if appearance:
_append(_ADV_TYPE_APPEARANCE, struct.pack("<h", appearance))
if len(payload) > _ADV_MAX_PAYLOAD:
raise ValueError("advertising payload too large")
return payload
@ -99,4 +90,4 @@ def demo():
if __name__ == "__main__":
demo()
demo()

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lib/ble_uart/test.py Normal file
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@ -0,0 +1,14 @@
import ble_uart
import bluetooth
import time
def print_handler():
print(uart.read().decode().strip())
ble = bluetooth.BLE()
uart = ble_uart.Ble_uart(ble, on_rx=print_handler, name="bens app")
while True:
uart.write("hello\n")
time.sleep(1)

247
remote.py
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# Kevin McAleer
# 2023-06-28
# Bluetooth cores specification versio 5.4 (0x0D)
import sys
import aioble
import bluetooth
import gc
import machine
import uasyncio as asyncio
from micropython import const, mem_info
#from pico_lcd_1_14 import LCD_1inch14
from machine import Pin,SPI,PWM
import framebuf
def uid():
""" Return the unique id of the device as a string """
return "{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}{:02x}".format(
*machine.unique_id())
MANUFACTURER_ID = const(0x02A29)
MODEL_NUMBER_ID = const(0x2A24)
SERIAL_NUMBER_ID = const(0x2A25)
HARDWARE_REVISION_ID = const(0x2A26)
BLE_VERSION_ID = const(0x2A28)
led = machine.Pin("LED", machine.Pin.OUT)
# Begin set up of LCD
BL = 13
DC = 8
RST = 12
MOSI = 11
SCK = 10
CS = 9
pwm = PWM(Pin(BL))
pwm.freq(1000)
pwm.duty_u16(32768)#max 65535
#LCD = LCD_1inch14()
#color BRG
""""
LCD.fill(LCD.white)
LCD.show()
LCD.text("Raspberry Pi Pico",90,40,LCD.red)
LCD.text("PicoGo",90,60,LCD.green)
LCD.text("Pico-LCD-1.14",90,80,LCD.blue)
LCD.hline(10,10,220,LCD.blue)
LCD.hline(10,125,220,LCD.blue)
LCD.vline(10,10,115,LCD.blue)
LCD.vline(230,10,115,LCD.blue)
LCD.show()
"""
keyA = Pin(15,Pin.IN,Pin.PULL_UP)
keyB = Pin(17,Pin.IN,Pin.PULL_UP)
key2 = Pin(2 ,Pin.IN,Pin.PULL_UP)
key3 = Pin(3 ,Pin.IN,Pin.PULL_UP)
key4 = Pin(16 ,Pin.IN,Pin.PULL_UP)
key5 = Pin(18 ,Pin.IN,Pin.PULL_UP)
key6 = Pin(20 ,Pin.IN,Pin.PULL_UP)
# End of LCD setup
# _ENV_SENSE_TEMP_UUID = bluetooth.UUID(0x1800)
_GENERIC = bluetooth.UUID(0x1848)
_BUTTON_UUID = bluetooth.UUID(0x2A6E)
_ROBOT = bluetooth.UUID(0x180A)
_BLE_APPEARANCE_GENERIC_REMOTE_CONTROL = const(384)
# Advertising frequency
ADV_INTERVAL_MS = 250_000
device_info = aioble.Service(_ROBOT)
connection = None
# Create characteristics for device info
aioble.Characteristic(device_info, bluetooth.UUID(MANUFACTURER_ID), read=True, initial="KevsRobotsRemote")
aioble.Characteristic(device_info, bluetooth.UUID(MODEL_NUMBER_ID), read=True, initial="1.0")
aioble.Characteristic(device_info, bluetooth.UUID(SERIAL_NUMBER_ID), read=True, initial=uid())
aioble.Characteristic(device_info, bluetooth.UUID(HARDWARE_REVISION_ID), read=True, initial=sys.version)
aioble.Characteristic(device_info, bluetooth.UUID(BLE_VERSION_ID), read=True, initial="1.0")
remote_service = aioble.Service(_GENERIC)
button_characteristic = aioble.Characteristic(
remote_service, _BUTTON_UUID, read=True, notify=True
)
print('registering services')
aioble.register_services(remote_service, device_info)
connected = False
async def remote_task():
""" Send the event to the connected device """
while True:
if not connected:
print('not connected')
await asyncio.sleep_ms(1000)
continue
if (keyA.value() == 0):
button_characteristic.write(b"a")
button_characteristic.notify(connection, b"a")
elif (keyB.value() == 0):
button_characteristic.write(b"b")
button_characteristic.notify(connection, b"b")
elif (key2.value() == 0):
button_characteristic.write(b"u")
button_characteristic.notify(connection, b"u")
elif (key3.value() == 0):
button_characteristic.write(b"c")
button_characteristic.notify(connection, b"c")
elif (key4.value() == 0):
button_characteristic.write(b"l")
button_characteristic.notify(connection, b"l")
elif (key5.value() == 0):
button_characteristic.write(b"d")
button_characteristic.notify(connection, b"d")
elif (key6.value() == 0):
button_characteristic.write(b"r")
button_characteristic.notify(connection, b"r")
else:
button_characteristic.notify(connection, b"!")
# Show button pushed on LCD
if(keyA.value() == 0):
# LCD.fill_rect(208,12,20,20,LCD.red)
print("A")
# else :
# LCD.fill_rect(208,12,20,20,LCD.white)
# LCD.rect(208,12,20,20,LCD.red)
if(keyB.value() == 0):
print("B")
else :
pass
# LCD.fill_rect(208,103,20,20,LCD.white)
# LCD.rect(208,103,20,20,LCD.red)
if(key2.value() == 0):
# LCD.fill_rect(37,35,20,20,LCD.red)
print("UP")
else :
pass
# LCD.fill_rect(37,35,20,20,LCD.white)
# LCD.rect(37,35,20,20,LCD.red)
if(key3.value() == 0):
# LCD.fill_rect(37,60,20,20,LCD.red)
print("CTRL")
else :
pass
# LCD.fill_rect(37,60,20,20,LCD.white)
# LCD.rect(37,60,20,20,LCD.red)
if(key4.value() == 0):
# LCD.fill_rect(12,60,20,20,LCD.red)
print("LEFT")
else :
pass
# LCD.fill_rect(12,60,20,20,LCD.white)
# LCD.rect(12,60,20,20,LCD.red)
if(key5.value() == 0):
# LCD.fill_rect(37,85,20,20,LCD.red)
print("DOWN")
else :
pass
# LCD.fill_rect(37,85,20,20,LCD.white)
# LCD.rect(37,85,20,20,LCD.red)
if(key6.value() == 0):
# LCD.fill_rect(62,60,20,20,LCD.red)
print("RIGHT")
else :
pass
# LCD.fill_rect(62,60,20,20,LCD.white)
# LCD.rect(62,60,20,20,LCD.red)
# LCD.show()
await asyncio.sleep_ms(10)
# Serially wait for connections.
# Don't advertise while a central is connected
async def peripheral_task():
print('peripheral task started')
global connected, connection
while True:
connected = False
async with await aioble.advertise(
ADV_INTERVAL_MS,
name="KevsRobots",
appearance=_BLE_APPEARANCE_GENERIC_REMOTE_CONTROL,
services=[_GENERIC]
) as connection:
print("Connection from", connection.device)
connected = True
print(f"connected: {connected}")
await connection.disconnected(timeout_ms=None)
print(f'disconnected')
async def blink_task():
print('blink task started')
toggle = True
while True:
led.value(toggle)
toggle = not toggle
blink = 1000
if connected:
blink = 1000
else:
blink = 250
await asyncio.sleep_ms(blink)
async def main():
tasks = [
asyncio.create_task(peripheral_task()),
asyncio.create_task(blink_task()),
asyncio.create_task(remote_task()),
]
await asyncio.gather(*tasks)
asyncio.run(main())

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@ -1,9 +0,0 @@
from machine import Pin
from time import sleep
led = Pin('LED', Pin.OUT)
print('Blinking LED Example')
while True:
led.value(not led.value())
sleep(0.5)

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@ -1,57 +0,0 @@
## Test IR TX/RX for OpenLaserTag
## Tomas Krejci [Njord]
# Run this to characterise a remote.
import ustruct
from sys import platform
import time
import gc
from machine import Pin, freq
from olt_lib.ir_rx.print_error import print_error # Optional print of error codes
# Import all implemented classes
from olt_lib.ir_rx.olt import LT_24, SONY_12, SONY_15, SONY_20
# Define pin according to platform
if platform == "pyboard":
p = Pin("X3", Pin.IN)
elif platform == "esp8266":
freq(160000000)
p = Pin(13, Pin.IN)
elif platform == "esp32" or platform == "esp32_LoBo":
p = Pin(23, Pin.IN)
elif platform == "rp2":
p = Pin(16, Pin.IN)
# User callback
def cb(byte1, byte2, byte3, packet):
print(f"byte1 0x{byte1:02x} byte2 0x{byte2:02x} byte3 0x{byte3:02x} packet 0x{packet:06x}")
def test(proto=0):
classes = (LT_24, SONY_12, SONY_15, SONY_20)
ir = classes[proto](p, cb) # Instantiate receiver
ir.error_function(print_error) # Show debug information
# ir.verbose = True
# A real application would do something here...
try:
while True:
print("running")
time.sleep(5)
gc.collect()
except KeyboardInterrupt:
ir.close()
# **** DISPLAY GREETING ****
s = """Test for IR receiver. Run:
from ir_rx.test import test
test() for LT 24 bit protocol,
test(1) for Sony SIRC 12 bit,
test(2) for Sony SIRC 15 bit,
test(3) for Sony SIRC 20 bit,
Hit ctrl-c to stop, then ctrl-d to soft reset."""
print(s)