PIR Hat

Support the following products:

PIR

Micropython Example:

 1# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
 2#
 3# SPDX-License-Identifier: MIT
 4
 5import os, sys, io
 6import M5
 7from M5 import *
 8from hat import PIRHat
 9
10
11label0 = None
12hat_pir_0 = None
13
14
15def hat_pir_0_active_event(pir):
16    global label0, hat_pir_0
17    label0.setText(str(hat_pir_0.get_status()))
18
19
20def setup():
21    global label0, hat_pir_0
22
23    M5.begin()
24    label0 = Widgets.Label("label0", 9, 15, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
25
26    hat_pir_0 = PIRHat((26, 0))
27    hat_pir_0.set_callback(hat_pir_0_active_event, hat_pir_0.IRQ_ACTIVE)
28    hat_pir_0.enable_irq()
29
30
31def loop():
32    global label0, hat_pir_0
33    M5.update()
34
35
36if __name__ == "__main__":
37    try:
38        setup()
39        while True:
40            loop()
41    except (Exception, KeyboardInterrupt) as e:
42        try:
43            from utility import print_error_msg
44
45            print_error_msg(e)
46        except ImportError:
47            print("please update to latest firmware")

UIFLOW2 Example:

example.png

stickc_plus2_pir_hat_example.m5f2

class PIRHat

Constructors

class PIRHat(port)

Create a PIRHat object.

The parameters are:

  • port GPIO pin.

UIFLOW2:

init.png

Methods

PIRHat.get_status()

Get detection status.

UIFLOW2:

get_status.png

PIRHat.enable_irq()

Enable Human detection function.

UIFLOW2:

enable_irq.png

PIRHat.disable_irq()

Disable Human detection function.

UIFLOW2:

disable_irq.png

PIRHat.set_callback()

Polling method, placed in the loop function, constantly check.

UIFLOW2:

set_callback.png