44bd549761
Firmware: - mDNS announcement as <hostname>.local (configurable via Kconfig) - Task watchdog with 30s timeout and auto-reboot on hang - STATUS now returns human-readable uptime (e.g., 3d2h15m) and hostname Pi-side tools: - esp-cmd: mDNS hostname resolution (esp-cmd amber-maple.local STATUS) - esp-fleet: parallel command to all sensors (esp-fleet status) Tested on amber-maple — mDNS resolves, watchdog active, fleet tool works.
66 lines
1.8 KiB
Python
Executable File
66 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Send management commands to ESP32 CSI devices over UDP."""
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import socket
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import sys
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DEFAULT_PORT = 5501
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TIMEOUT = 2.0
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USAGE = """\
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Usage: esp-cmd <host> <command> [args...]
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Host can be an IP address or mDNS hostname (e.g., amber-maple.local).
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Commands:
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STATUS Query device state (uptime, heap, RSSI, tx_power, rate)
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REBOOT Restart the ESP32
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IDENTIFY Blink LED solid for 5 seconds
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RATE <10-100> Set ping frequency in Hz (saved to NVS)
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POWER <2-20> Set TX power in dBm (saved to NVS)
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Examples:
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esp-cmd amber-maple.local STATUS
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esp-cmd 192.168.129.30 RATE 50
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esp-cmd amber-maple.local IDENTIFY"""
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def resolve(host):
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"""Resolve hostname to IP address (supports mDNS .local)."""
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try:
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result = socket.getaddrinfo(host, DEFAULT_PORT, socket.AF_INET, socket.SOCK_DGRAM)
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return result[0][4][0]
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except socket.gaierror as e:
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print(f"ERR: cannot resolve {host}: {e}", file=sys.stderr)
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sys.exit(1)
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def main():
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if len(sys.argv) < 3 or sys.argv[1] in ("-h", "--help"):
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print(USAGE)
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sys.exit(0 if sys.argv[1:] and sys.argv[1] in ("-h", "--help") else 2)
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host = sys.argv[1]
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cmd = " ".join(sys.argv[2:]).strip()
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ip = resolve(host)
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.settimeout(TIMEOUT)
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try:
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sock.sendto(cmd.encode(), (ip, DEFAULT_PORT))
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data, _ = sock.recvfrom(512)
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print(data.decode().strip())
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except socket.timeout:
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print(f"ERR: no reply from {host} ({ip}:{DEFAULT_PORT}), timeout {TIMEOUT}s", file=sys.stderr)
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sys.exit(1)
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except OSError as e:
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print(f"ERR: {e}", file=sys.stderr)
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sys.exit(1)
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finally:
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sock.close()
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if __name__ == "__main__":
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main()
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