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    COM.LTE Module not responding

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    • J
      jkeyser
      last edited by jkeyser

      Using this module with an external power supply along with the Core 2. No other modules attached at the moment.
      https://shop.m5stack.com/products/com-lte-modulesim7600g

      Only code uploaded is the example provided on uiflow, but i cant get any sort of response. The only output i get is "Text" in the top left of the screen. The program seems to hang during init and never makes it past that point. Confirmed DC power switch is on the correct setting, as well as the tx/rx dip switches.

      Flashing the easyloader results in no output to the screen, as well as a high pitched ringing from the modem

      Setting COM.X to true on m5burner gives the error 'module stable timeout'


      from m5stack import *
      from m5stack_ui import *
      from uiflow import *
      from comx.lte import LTE

      screen = M5Screen()
      screen.clean_screen()
      screen.set_screen_bg_color(0xFFFFFF)

      resp = None

      label0 = M5Label('label0', x=33, y=36, color=0x000, font=FONT_MONT_14, parent=None)
      label1 = M5Label('label1', x=37, y=63, color=0x000, font=FONT_MONT_14, parent=None)
      label2 = M5Label('label2', x=35, y=91, color=0x000, font=FONT_MONT_14, parent=None)
      label3 = M5Label('label3', x=36, y=114, color=0x000, font=FONT_MONT_14, parent=None)

      lte = LTE(tx=13, rx=5)
      label0.set_text(str(lte.check_status()))
      label1.set_text(str(lte.get_single_quality()))
      label2.set_text(str(lte.get_network_registration()))
      label3.set_text(str(lte.get_gprs_network_registration()))
      while True:
      if str((lte.get_gprs_network_registration())) == '1':
      # echo "test"
      resp = lte.http_get('http://www.m2msupport.net/m2msupport/test.php')
      if resp:
      label4.set_text(str(resp[1]))
      wait_ms(2)

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      • felmueF
        felmue
        last edited by

        Hello @jkeyser

        have a look at this post. It's not the same module, but I suspect the initialization process, e.g. checking for a SIM PIN, is the same.

        Thanks
        Felix

        GPIO translation table M5Stack / M5Core2
        Information about various M5Stack products.
        Code examples

        J 1 Reply Last reply Reply Quote 0
        • J
          jkeyser @felmue
          last edited by

          @felmue
          Thanks, while looking into that I found i wasn't also unable to open any sort of connection to send AT commands. Turns out i misunderstood the dip settings for the core 2. Set to 16/17 on the modem and 14/13 on uiflow init and i have communication now.

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          • felmueF
            felmue
            last edited by

            Hello @jkeyser

            that is great to hear. Thank you for reporting back.

            Thanks
            Felix

            GPIO translation table M5Stack / M5Core2
            Information about various M5Stack products.
            Code examples

            1 Reply Last reply Reply Quote 0
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