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Merge pull request #1968 from openmv/examples_update
scripts/examples: Update WiFi and Bluetooth examples.
This commit is contained in:
commit
6d1c4cd4fb
@ -3,6 +3,7 @@
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# This example shows how to connect your OpenMV Cam with a WiFi shield to the net.
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import network
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -3,7 +3,7 @@
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# This example shows how to get the IP address for websites via DNS.
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import network
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import usocket
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -2,6 +2,7 @@
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import network
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import socket
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import time
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# AP info
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SSID = "" # Network SSID
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@ -1,7 +1,8 @@
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# Simple HTTPS client example.
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import network
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import socket
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import ussl
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import ssl
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import time
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# AP info
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SSID = "" # Network SSID
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@ -34,7 +35,7 @@ client.connect(addr)
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# Set timeout
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client.settimeout(3.0)
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client = ussl.wrap_socket(client, server_hostname=HOST)
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client = ssl.wrap_socket(client, server_hostname=HOST)
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# Send HTTP request and recv response
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request = "GET / HTTP/1.1\r\n"
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@ -4,8 +4,8 @@
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import network
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import socket
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import ustruct
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import utime
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import struct
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -36,5 +36,5 @@ client.sendto("\x1b" + 47 * "\0", addr)
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data, address = client.recvfrom(1024)
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# Print time
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t = ustruct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (utime.localtime(t)[0:6]))
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t = struct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (time.localtime(t)[0:6]))
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@ -4,8 +4,8 @@
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import network
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import socket
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import ustruct
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import utime
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import struct
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -35,5 +35,5 @@ client.sendto("\x1b" + 47 * "\0", addr)
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data, address = client.recvfrom(1024)
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# Print time
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t = ustruct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (utime.localtime(t)[0:6]))
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t = struct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (time.localtime(t)[0:6]))
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@ -0,0 +1,61 @@
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# Bluetooth Blinky Example
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#
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# Use nRFConnect app from the App store, connect to the Nano and write 1/0 to control the LED.
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import bluetooth
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import time
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from ble_advertising import advertising_payload
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from machine import LED
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from micropython import const
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_IRQ_CENTRAL_CONNECT = const(1)
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_IRQ_CENTRAL_DISCONNECT = const(2)
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_IRQ_GATTS_WRITE = const(3)
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_FLAG_READ = const(0x0002)
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_FLAG_WRITE = const(0x0008)
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_FLAG_NOTIFY = const(0x0010)
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_FLAG_INDICATE = const(0x0020)
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_SERVICE_UUID = bluetooth.UUID(0x1523)
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_LED_CHAR_UUID = (bluetooth.UUID(0x1525), _FLAG_WRITE)
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_LED_SERVICE = (
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_SERVICE_UUID,
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(_LED_CHAR_UUID,),
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)
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class BLETemperature:
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def __init__(self, ble, name="Nicla-Vision"):
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self._ble = ble
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self._ble.active(True)
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self._ble.irq(self._irq)
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((self._handle,),) = self._ble.gatts_register_services((_LED_SERVICE,))
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self._connections = set()
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self._payload = advertising_payload(name=name, services=[_SERVICE_UUID])
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self._advertise()
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self.led = LED("LED_BLUE")
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def _irq(self, event, data):
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# Track connections so we can send notifications.
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if event == _IRQ_CENTRAL_CONNECT:
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conn_handle, _, _ = data
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self._connections.add(conn_handle)
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elif event == _IRQ_CENTRAL_DISCONNECT:
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conn_handle, _, _ = data
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self._connections.remove(conn_handle)
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# Start advertising again to allow a new connection.
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self._advertise()
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elif event == _IRQ_GATTS_WRITE:
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self.led.value(self._ble.gatts_read(data[-1])[0])
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def _advertise(self, interval_us=500000):
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self._ble.gap_advertise(interval_us, adv_data=self._payload)
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if __name__ == "__main__":
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ble = bluetooth.BLE()
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temp = BLETemperature(ble)
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while True:
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time.sleep_ms(1000)
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@ -8,7 +8,7 @@ import random
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import struct
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import time
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from ble_advertising import advertising_payload
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from machine import LED
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from micropython import const
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_IRQ_CENTRAL_CONNECT = const(1)
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@ -36,7 +36,7 @@ _ADV_APPEARANCE_GENERIC_THERMOMETER = const(768)
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class BLETemperature:
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def __init__(self, ble, name="PORTENTA_BLE"):
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def __init__(self, ble, name="Nicla-Vision"):
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self._ble = ble
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self._ble.active(True)
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self._ble.irq(self._irq)
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@ -48,17 +48,20 @@ class BLETemperature:
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appearance=_ADV_APPEARANCE_GENERIC_THERMOMETER,
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)
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self._advertise()
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self.led = LED("LED_BLUE")
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def _irq(self, event, data):
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# Track connections so we can send notifications.
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if event == _IRQ_CENTRAL_CONNECT:
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conn_handle, _, _ = data
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self._connections.add(conn_handle)
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self.led.on()
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elif event == _IRQ_CENTRAL_DISCONNECT:
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conn_handle, _, _ = data
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self._connections.remove(conn_handle)
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# Start advertising again to allow a new connection.
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self._advertise()
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self.led.off()
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elif event == _IRQ_GATTS_INDICATE_DONE:
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conn_handle, value_handle, status = data
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@ -79,7 +82,7 @@ class BLETemperature:
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self._ble.gap_advertise(interval_us, adv_data=self._payload)
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def demo():
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if __name__ == "__main__":
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ble = bluetooth.BLE()
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temp = BLETemperature(ble)
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@ -93,7 +96,3 @@ def demo():
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# Random walk the temperature.
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t += random.uniform(-0.5, 0.5)
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time.sleep_ms(1000)
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if __name__ == "__main__":
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demo()
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@ -0,0 +1,63 @@
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from micropython import const
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import uasyncio as asyncio
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import aioble
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import bluetooth
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import random
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import struct
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# org.bluetooth.service.environmental_sensing
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_ENV_SENSE_UUID = bluetooth.UUID(0x181A)
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# org.bluetooth.characteristic.temperature
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_ENV_SENSE_TEMP_UUID = bluetooth.UUID(0x2A6E)
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# org.bluetooth.characteristic.gap.appearance.xml
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_ADV_APPEARANCE_GENERIC_THERMOMETER = const(768)
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# How frequently to send advertising beacons.
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_ADV_INTERVAL_MS = 250_000
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# Register GATT server.
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temp_service = aioble.Service(_ENV_SENSE_UUID)
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temp_characteristic = aioble.Characteristic(
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temp_service, _ENV_SENSE_TEMP_UUID, read=True, notify=True
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)
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aioble.register_services(temp_service)
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# Helper to encode the temperature characteristic encoding (sint16, hundredths of a degree).
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def _encode_temperature(temp_deg_c):
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return struct.pack("<h", int(temp_deg_c * 100))
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# This would be periodically polling a hardware sensor.
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async def sensor_task():
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t = 24.5
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while True:
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temp_characteristic.write(_encode_temperature(t))
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t += random.uniform(-0.5, 0.5)
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await asyncio.sleep_ms(1000)
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# Serially wait for connections. Don't advertise while a central is
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# connected.
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async def peripheral_task():
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while True:
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async with await aioble.advertise(
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_ADV_INTERVAL_MS,
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name="Nicla-Vision",
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services=[_ENV_SENSE_UUID],
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appearance=_ADV_APPEARANCE_GENERIC_THERMOMETER,
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) as connection:
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print("Connection from", connection.device)
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await connection.disconnected()
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# Run both tasks.
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async def main():
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t1 = asyncio.create_task(sensor_task())
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t2 = asyncio.create_task(peripheral_task())
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await asyncio.gather(t1, t2)
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asyncio.run(main())
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@ -3,6 +3,7 @@
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# This example shows how to connect your OpenMV Cam with a WiFi shield to the net.
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import network
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -3,7 +3,7 @@
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# This example shows how to get the IP address for websites via DNS.
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import network
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import usocket
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -2,6 +2,7 @@
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import network
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import socket
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import time
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# AP info
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SSID = "" # Network SSID
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@ -1,7 +1,8 @@
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# Simple HTTPS client example.
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import network
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import socket
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import ussl
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import ssl
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import time
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# AP info
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SSID = "" # Network SSID
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@ -34,7 +35,7 @@ client.connect(addr)
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# Set timeout
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client.settimeout(3.0)
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client = ussl.wrap_socket(client, server_hostname=HOST)
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client = ssl.wrap_socket(client, server_hostname=HOST)
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# Send HTTP request and recv response
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request = "GET / HTTP/1.1\r\n"
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@ -4,8 +4,8 @@
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import network
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import socket
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import ustruct
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import utime
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import struct
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -13,6 +13,7 @@ KEY = "" # Network key
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TIMESTAMP = 2208988800 + 946684800
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# Init wlan module and connect to network
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print("Trying to connect... (This may take a while)...")
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wlan = network.WLAN(network.STA_IF)
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wlan.active(True)
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wlan.connect(SSID, KEY)
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@ -35,5 +36,5 @@ client.sendto("\x1b" + 47 * "\0", addr)
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data, address = client.recvfrom(1024)
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# Print time
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t = ustruct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (utime.localtime(t)[0:6]))
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t = struct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (time.localtime(t)[0:6]))
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@ -4,8 +4,8 @@
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import network
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import socket
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import ustruct
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import utime
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import struct
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import time
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SSID = "" # Network SSID
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KEY = "" # Network key
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@ -35,5 +35,5 @@ client.sendto("\x1b" + 47 * "\0", addr)
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data, address = client.recvfrom(1024)
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# Print time
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t = ustruct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (utime.localtime(t)[0:6]))
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t = struct.unpack(">IIIIIIIIIIII", data)[10] - TIMESTAMP
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print("Year:%d Month:%d Day:%d Time: %d:%d:%d" % (time.localtime(t)[0:6]))
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|
@ -0,0 +1,61 @@
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# Bluetooth Blinky Example
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#
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# Use nRFConnect app from the App store, connect to the Nano and write 1/0 to control the LED.
|
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import bluetooth
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import time
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from ble_advertising import advertising_payload
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from machine import LED
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from micropython import const
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_IRQ_CENTRAL_CONNECT = const(1)
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_IRQ_CENTRAL_DISCONNECT = const(2)
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_IRQ_GATTS_WRITE = const(3)
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_FLAG_READ = const(0x0002)
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_FLAG_WRITE = const(0x0008)
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_FLAG_NOTIFY = const(0x0010)
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_FLAG_INDICATE = const(0x0020)
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_SERVICE_UUID = bluetooth.UUID(0x1523)
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_LED_CHAR_UUID = (bluetooth.UUID(0x1525), _FLAG_WRITE)
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_LED_SERVICE = (
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_SERVICE_UUID,
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(_LED_CHAR_UUID,),
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)
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class BLETemperature:
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def __init__(self, ble, name="Portenta-H7"):
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self._ble = ble
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self._ble.active(True)
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self._ble.irq(self._irq)
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((self._handle,),) = self._ble.gatts_register_services((_LED_SERVICE,))
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self._connections = set()
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self._payload = advertising_payload(name=name, services=[_SERVICE_UUID])
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self._advertise()
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self.led = LED("LED_BLUE")
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def _irq(self, event, data):
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# Track connections so we can send notifications.
|
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if event == _IRQ_CENTRAL_CONNECT:
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conn_handle, _, _ = data
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self._connections.add(conn_handle)
|
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elif event == _IRQ_CENTRAL_DISCONNECT:
|
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conn_handle, _, _ = data
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self._connections.remove(conn_handle)
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# Start advertising again to allow a new connection.
|
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self._advertise()
|
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elif event == _IRQ_GATTS_WRITE:
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self.led.value(self._ble.gatts_read(data[-1])[0])
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def _advertise(self, interval_us=500000):
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self._ble.gap_advertise(interval_us, adv_data=self._payload)
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|
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if __name__ == "__main__":
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ble = bluetooth.BLE()
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temp = BLETemperature(ble)
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|
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while True:
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time.sleep_ms(1000)
|
@ -8,7 +8,7 @@ import random
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import struct
|
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import time
|
||||
from ble_advertising import advertising_payload
|
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|
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from machine import LED
|
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from micropython import const
|
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|
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_IRQ_CENTRAL_CONNECT = const(1)
|
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@ -36,7 +36,7 @@ _ADV_APPEARANCE_GENERIC_THERMOMETER = const(768)
|
||||
|
||||
|
||||
class BLETemperature:
|
||||
def __init__(self, ble, name="PORTENTA_BLE"):
|
||||
def __init__(self, ble, name="Portenta-H7"):
|
||||
self._ble = ble
|
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self._ble.active(True)
|
||||
self._ble.irq(self._irq)
|
||||
@ -48,17 +48,20 @@ class BLETemperature:
|
||||
appearance=_ADV_APPEARANCE_GENERIC_THERMOMETER,
|
||||
)
|
||||
self._advertise()
|
||||
self.led = LED("LED_BLUE")
|
||||
|
||||
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)
|
||||
self.led.on()
|
||||
elif event == _IRQ_CENTRAL_DISCONNECT:
|
||||
conn_handle, _, _ = data
|
||||
self._connections.remove(conn_handle)
|
||||
# Start advertising again to allow a new connection.
|
||||
self._advertise()
|
||||
self.led.off()
|
||||
elif event == _IRQ_GATTS_INDICATE_DONE:
|
||||
conn_handle, value_handle, status = data
|
||||
|
||||
@ -79,7 +82,7 @@ class BLETemperature:
|
||||
self._ble.gap_advertise(interval_us, adv_data=self._payload)
|
||||
|
||||
|
||||
def demo():
|
||||
if __name__ == "__main__":
|
||||
ble = bluetooth.BLE()
|
||||
temp = BLETemperature(ble)
|
||||
|
||||
@ -93,7 +96,3 @@ def demo():
|
||||
# Random walk the temperature.
|
||||
t += random.uniform(-0.5, 0.5)
|
||||
time.sleep_ms(1000)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
demo()
|
||||
|
@ -0,0 +1,63 @@
|
||||
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="Portenta-H7",
|
||||
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())
|
Loading…
Reference in New Issue
Block a user