LoRa1262 电容

Cap LoRa1262 是一款专为 Cardputer-Adv 设计的高性能 LoRa 通信和 GNSS 全球导航扩展模块。

支持以下产品:

UIFLOW2 应用示例

发送端

在 UiFlow2 中打开 cardputer_adv_lora1262_cap_sender_example.m5f2 项目。

使用键盘输入要发送的文本，然后按 ENTER 键发送。

UiFlow2 代码块：

示例输出：

None

接收端

在 UiFlow2 中打开 cardputer_adv_lora1262_cap_receiver_example.m5f2 项目。

此示例接收并显示数据。

UiFlow2 代码块：

示例输出：

None

GPS 使用

在 UiFlow2 中打开 cardputer_adv_lora1262_cap_gps_example.m5f2 项目。

此示例演示如何使用 LoRa1262 Cap 的 GPS 功能。

UiFlow2 代码块：

示例输出：

None

MicroPython 应用示例

发送端

使用键盘输入要发送的文本，然后按 ENTER 键发送。

MicroPython 代码块：

# SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
#
# SPDX-License-Identifier: MIT

import os, sys, io
import M5
from M5 import *
from hardware import MatrixKeyboard
from cap import LoRa1262Cap
from unit import KeyCode


kb = None
cap_lora1262 = None


keycode = None
key = None
buf = None


def kb_pressed_event(kb_0):
    global kb, cap_lora1262, keycode, key, buf
    keycode = kb.get_key()
    if keycode >= 0x20 and keycode <= 0x7E:
        key = chr(keycode)
        buf = str(buf) + str(key)
        M5.Lcd.printf(key)
    elif keycode >= (KeyCode.KEYCODE_ENTER):
        cap_lora1262.send(buf, None)
        buf = ""
        M5.Lcd.fillScreen(0x000000)
        M5.Lcd.setCursor(0, 0)
        M5.Lcd.printf("\n")
        M5.Lcd.printf(">>>")


def setup():
    global kb, cap_lora1262, keycode, key, buf

    M5.begin()
    Widgets.fillScreen(0x000000)

    cap_lora1262 = LoRa1262Cap(
        freq_khz=868000,
        bw="250",
        sf=8,
        coding_rate=8,
        preamble_len=12,
        syncword=0x12,
        output_power=10,
    )
    kb = MatrixKeyboard()
    kb.set_callback(kb_pressed_event)
    M5.Lcd.setFont(Widgets.FONTS.DejaVu12)
    M5.Lcd.setTextColor(0xFFFFFF, 0x000000)
    M5.Lcd.setCursor(0, 0)
    M5.Lcd.setTextScroll(True)
    M5.Lcd.printf(">>>")
    buf = ""


def loop():
    global kb, cap_lora1262, keycode, key, buf
    M5.update()


if __name__ == "__main__":
    try:
        setup()
        while True:
            loop()
    except (Exception, KeyboardInterrupt) as e:
        try:
            from utility import print_error_msg

            print_error_msg(e)
        except ImportError:
            print("please update to latest firmware")

示例输出：

None

接收端

此示例接收并显示数据。

MicroPython 代码块：

# SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
#
# SPDX-License-Identifier: MIT

import os, sys, io
import M5
from M5 import *
import time
from cap import LoRa1262Cap


cap_lora1262 = None


lora_data = None
cur_time = None
time_buf = None
rx_text = None


def cap_lora1262_receive_event(received_data):
    global cap_lora1262, lora_data, cur_time, time_buf, rx_text
    lora_data = received_data
    cur_time = time.gmtime()
    time_buf = ""
    time_buf = str(time_buf) + str("[")
    time_buf = str(time_buf) + str((cur_time[3]))
    time_buf = str(time_buf) + str(":")
    time_buf = str(time_buf) + str((cur_time[4]))
    time_buf = str(time_buf) + str(":")
    time_buf = str(time_buf) + str((cur_time[5]))
    time_buf = str(time_buf) + str("] -> ")
    M5.Lcd.print(time_buf, 0x33FF33)
    rx_text = lora_data.decode()
    M5.Lcd.print(rx_text, 0xFFFFFF)
    M5.Lcd.printf("\n")


def setup():
    global cap_lora1262, lora_data, cur_time, time_buf, rx_text

    M5.begin()
    Widgets.fillScreen(0x000000)

    cap_lora1262 = LoRa1262Cap(
        freq_khz=868000,
        bw="250",
        sf=8,
        coding_rate=8,
        preamble_len=12,
        syncword=0x12,
        output_power=10,
    )
    cap_lora1262.set_irq_callback(cap_lora1262_receive_event)
    M5.Lcd.setFont(Widgets.FONTS.DejaVu12)
    M5.Lcd.setTextColor(0xFFFFFF, 0x000000)
    M5.Lcd.setCursor(0, 0)
    M5.Lcd.setTextScroll(True)
    cap_lora1262.start_recv()


def loop():
    global cap_lora1262, lora_data, cur_time, time_buf, rx_text
    M5.update()


if __name__ == "__main__":
    try:
        setup()
        while True:
            loop()
    except (Exception, KeyboardInterrupt) as e:
        try:
            from utility import print_error_msg

            print_error_msg(e)
        except ImportError:
            print("please update to latest firmware")

示例输出：

None

GPS 使用

此示例演示如何使用 LoRa1262 Cap 的 GPS 功能。

MicroPython 代码块：

# SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
#
# SPDX-License-Identifier: MIT

import os, sys, io
import M5
from M5 import *
from cap import GPSCap


label0 = None
label1 = None
label2 = None
cap_lora1262 = None


def setup():
    global label0, label1, label2, cap_lora1262

    M5.begin()
    Widgets.fillScreen(0x000000)
    label0 = Widgets.Label("label0", 11, 16, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
    label1 = Widgets.Label("label1", 11, 46, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
    label2 = Widgets.Label("label2", 10, 77, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)

    cap_lora1262 = GPSCap(id=2)


def loop():
    global label0, label1, label2, cap_lora1262
    M5.update()
    label0.setText(str(cap_lora1262.get_latitude()))
    label1.setText(str(cap_lora1262.get_longitude()))
    label2.setText(str(cap_lora1262.get_gps_time()))


if __name__ == "__main__":
    try:
        setup()
        while True:
            loop()
    except (Exception, KeyboardInterrupt) as e:
        try:
            from utility import print_error_msg

            print_error_msg(e)
        except ImportError:
            print("please update to latest firmware")

示例输出：

None

API参考

class LoRa1262Cap

cap.lora1262.LoRa1262Cap: LoRa868Cap 的别名

class GPSCap

有关 GPS 功能，请参阅 GPSCap 类。