Add runtime UV protection toggle and treat near-zero sense as external power.

Per-pod NVS enable (default off) via UART/ESP-NOW/dashboard, and skip UV latch when LiPo ADC reads ~0 mV so USB/external supply still boots. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-11-01 22:51:17 +01:00
parent c3b20887bf
commit 7f28a48a10
33 changed files with 1411 additions and 240 deletions
@@ -0,0 +1,140 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"powerpod/gotool/pb"
+)
+
+type batteryUvAPIRequest struct {
+	Write      bool   `json:"write"`
+	Enabled    bool   `json:"enabled"`
+	ClientID   uint32 `json:"client_id"`
+	AllClients bool   `json:"all_clients"`
+	// SlavesOnly: with all_clients, push to ESP-NOW slaves only (master NVS unchanged).
+	SlavesOnly bool `json:"slaves_only"`
+}
+
+type batteryUvAPIResponse struct {
+	ClientID      uint32 `json:"client_id"`
+	Success       bool   `json:"success"`
+	Enabled       bool   `json:"enabled"`
+	Latched       bool   `json:"latched"`
+	SlavesUpdated uint32 `json:"slaves_updated"`
+	Error         string `json:"error,omitempty"`
+}
+
+func mountBatteryUvAPI(mux *http.ServeMux, link *managedSerial) {
+	mux.HandleFunc("/api/battery-uv", func(w http.ResponseWriter, r *http.Request) {
+		switch r.Method {
+		case http.MethodGet:
+			serveBatteryUvGet(w, r, link)
+		case http.MethodPost:
+			serveBatteryUvPost(w, r, link)
+		default:
+			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		}
+	})
+}
+
+func serveBatteryUvGet(w http.ResponseWriter, r *http.Request, link *managedSerial) {
+	clientID, err := parseUintQuery(r, "client_id", 0)
+	if err != nil {
+		writeJSON(w, http.StatusBadRequest, batteryUvAPIResponse{Error: err.Error()})
+		return
+	}
+	resp, err := link.BatteryUv(&pb.BatteryUvRequest{
+		Write:    false,
+		ClientId: clientID,
+	})
+	if err != nil {
+		writeJSON(w, http.StatusServiceUnavailable, batteryUvAPIResponse{
+			ClientID: clientID,
+			Error:    err.Error(),
+		})
+		return
+	}
+	writeJSON(w, http.StatusOK, batteryUvAPIResponse{
+		ClientID:      resp.GetClientId(),
+		Success:       resp.GetSuccess(),
+		Enabled:       resp.GetEnabled(),
+		Latched:       resp.GetLatched(),
+		SlavesUpdated: resp.GetSlavesUpdated(),
+	})
+}
+
+func serveBatteryUvPost(w http.ResponseWriter, r *http.Request, link *managedSerial) {
+	var body batteryUvAPIRequest
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		writeJSON(w, http.StatusBadRequest, batteryUvAPIResponse{Error: "invalid JSON"})
+		return
+	}
+	if body.AllClients && body.SlavesOnly {
+		updated, err := applyBatteryUvToSlaves(link, body.Enabled)
+		if err != nil {
+			writeJSON(w, http.StatusServiceUnavailable, batteryUvAPIResponse{
+				Enabled: body.Enabled,
+				Error:   err.Error(),
+			})
+			return
+		}
+		writeJSON(w, http.StatusOK, batteryUvAPIResponse{
+			Success:       updated > 0,
+			Enabled:       body.Enabled,
+			SlavesUpdated: updated,
+		})
+		return
+	}
+
+	resp, err := link.BatteryUv(&pb.BatteryUvRequest{
+		Write:      true,
+		Enabled:    body.Enabled,
+		ClientId:   body.ClientID,
+		AllClients: body.AllClients,
+	})
+	if err != nil {
+		writeJSON(w, http.StatusServiceUnavailable, batteryUvAPIResponse{
+			ClientID: body.ClientID,
+			Enabled:  body.Enabled,
+			Error:    err.Error(),
+		})
+		return
+	}
+	writeJSON(w, http.StatusOK, batteryUvAPIResponse{
+		ClientID:      resp.GetClientId(),
+		Success:       resp.GetSuccess(),
+		Enabled:       resp.GetEnabled(),
+		Latched:       resp.GetLatched(),
+		SlavesUpdated: resp.GetSlavesUpdated(),
+	})
+}
+
+func applyBatteryUvToSlaves(link *managedSerial, enabled bool) (uint32, error) {
+	clients, err := link.listClients()
+	if err != nil {
+		return 0, err
+	}
+	var updated uint32
+	for _, c := range clients {
+		resp, err := link.BatteryUv(&pb.BatteryUvRequest{
+			Write:    true,
+			Enabled:  enabled,
+			ClientId: c.GetId(),
+		})
+		if err != nil {
+			continue
+		}
+		if resp.GetSuccess() {
+			updated++
+		}
+	}
+	if len(clients) == 0 {
+		return 0, fmt.Errorf("no slaves registered")
+	}
+	if updated == 0 {
+		return 0, fmt.Errorf("UV protection not applied to any slave")
+	}
+	return updated, nil
+}