39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
#!/usr/bin/env python3
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import argparse
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from m2m.nbiot import factory
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from m2m.utils import encode_psm_timer
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def run_low_power_location(port):
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module = factory('BG95', port)
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with module:
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# 1. Configure Power Saving Mode
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# Example: 1 minute Active Time (T3324) and 24 hours Periodic TAU (T3412)
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t3324_bin = encode_psm_timer(60, is_t3324=True)
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t3412_bin = encode_psm_timer(24 * 3600, is_t3324=False)
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print(f"Setting PSM: T3324={t3324_bin}, T3412={t3412_bin}")
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module.set_psm_settings(mode=1, tau=t3412_bin, active_time=t3324_bin)
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# 2. GNSS Location
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print("Enabling GNSS...")
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if module.enable_gnss(True):
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print("Waiting for fix (may take up to 60s)...")
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# Poll location until success
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for i in range(10):
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import time
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time.sleep(5)
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loc = module.get_gnss_location()
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if loc:
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print(f"Location Found: {loc}")
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break
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else:
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print(f"Attempt {i+1}: No fix yet...")
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module.enable_gnss(False) # Save power
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Run PSM and GNSS demo.")
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parser.add_argument("port", nargs="?", default="/dev/ttyUSB0", help="Serial port (e.g. /dev/ttyUSB0 or MOCK)")
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args = parser.parse_args()
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run_low_power_location(args.port)
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