powerpods/goTool/main.go
simon e4ce18edd8 Close UART gracefully on SIGINT/SIGTERM in goTool.
Go exits on Ctrl+C without running defers, leaving the serial port locked; register shutdown hooks for serve and CLI commands.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-31 16:40:22 +02:00

102 lines
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package main
import (
"flag"
"fmt"
"log"
"os"
)
const defaultBaud = 921600
func usage() {
fmt.Fprintf(os.Stderr, "usage: gotool [-port /dev/ttyUSB0] <command>\n")
fmt.Fprintf(os.Stderr, " test uses uart.master from bench config when -port is omitted\n\n")
fmt.Fprintf(os.Stderr, "commands:\n")
fmt.Fprintf(os.Stderr, " version firmware version and git hash\n")
fmt.Fprintf(os.Stderr, " clients registered ESP-NOW slaves on the master\n")
fmt.Fprintf(os.Stderr, " deadzone get/set accelerometer deadzone (LSB)\n")
fmt.Fprintf(os.Stderr, " tap-notify get/set which tap kinds notify via ESP-NOW\n")
fmt.Fprintf(os.Stderr, " cache-status subscribed accel + tap cache (one UART round-trip)\n")
fmt.Fprintf(os.Stderr, " unicast-test send ESP-NOW unicast test to one slave\n")
fmt.Fprintf(os.Stderr, " test run automated scenario (see testdata/)\n")
fmt.Fprintf(os.Stderr, " serve web dashboard (Bootstrap + WebSocket)\n")
fmt.Fprintf(os.Stderr, " ota UART OTA upload (A/B partitions)\n")
fmt.Fprintf(os.Stderr, " ota-progress query per-slave ESP-NOW OTA progress on master\n")
fmt.Fprintf(os.Stderr, " led-ring set LED ring progress bar (0100%%, rgb, intensity)\n")
fmt.Fprintf(os.Stderr, " find-me blink LED ring red/green/blue (3× each, full brightness)\n")
fmt.Fprintf(os.Stderr, " restart reboot master or slave (ESP-NOW)\n\n")
flag.PrintDefaults()
}
func main() {
portName := flag.String("port", "", "serial port (e.g. /dev/ttyUSB0)")
baud := flag.Int("baud", defaultBaud, "UART baud rate")
flag.Parse()
if flag.NArg() < 1 {
usage()
os.Exit(2)
}
cmd := flag.Arg(0)
var runErr error
switch cmd {
case "test", "autotest":
runErr = runTest(*portName, *baud, flag.Args()[1:])
case "serve", "web", "dashboard":
if *portName == "" {
fmt.Fprintf(os.Stderr, "command %q requires -port\n\n", cmd)
usage()
os.Exit(2)
}
runErr = runServe(*portName, *baud, flag.Args()[1:])
case "version", "clients", "client-info", "deadzone", "accel-deadzone", "tap-notify", "tap_notify", "cache-status", "cache_status", "unicast-test", "unicast_test", "led-ring", "led_ring", "find-me", "find_me", "restart", "ota", "ota-progress", "ota_progress":
if *portName == "" {
fmt.Fprintf(os.Stderr, "command %q requires -port\n\n", cmd)
usage()
os.Exit(2)
}
sp, err := openSerial(*portName, *baud)
if err != nil {
log.Fatalf("open serial: %v", err)
}
registerShutdown(func() { _ = sp.Close() })
enableShutdownOnInterrupt()
defer sp.Close()
switch cmd {
case "version":
runErr = runVersion(sp)
case "clients", "client-info":
runErr = runClients(sp)
case "deadzone", "accel-deadzone":
runErr = runDeadzone(sp, flag.Args()[1:])
case "tap-notify", "tap_notify":
runErr = runTapNotify(sp, flag.Args()[1:])
case "cache-status", "cache_status":
runErr = runCacheStatus(sp)
case "unicast-test", "unicast_test":
runErr = runUnicastTest(sp, flag.Args()[1:])
case "led-ring", "led_ring":
runErr = runLedRing(sp, flag.Args()[1:])
case "find-me", "find_me":
runErr = runFindMe(sp, flag.Args()[1:])
case "restart":
runErr = runRestart(sp, flag.Args()[1:])
case "ota":
runErr = runOTA(sp, flag.Args()[1:])
case "ota-progress", "ota_progress":
runErr = runOtaProgress(sp, flag.Args()[1:])
}
default:
fmt.Fprintf(os.Stderr, "unknown command %q\n\n", cmd)
usage()
os.Exit(2)
}
if runErr != nil {
log.Fatal(runErr)
}
}