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Add LiPo battery monitoring with ESP-NOW cache and dashboard API.

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Slaves report pack voltages every 30s; the master caches them for fast
BATTERY_STATUS reads. goTool exposes REST/WebSocket and shows values in
the dashboard, with a nanopb fix so optional lipo submessages encode.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
skruecken
2026-05-29 20:14:28 +02:00
co-authored by Cursor
parent eb67a46158
commit 3cb0b5bbe9
30 changed files with 1618 additions and 150 deletions
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main/client_registry.h
+18
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@@ -1,6 +1,7 @@
#ifndef CLIENT_REGISTRY_H
#define CLIENT_REGISTRY_H
#include "board_input.h"
#include "esp_err.h"
#include <stdbool.h>
#include <stddef.h>
@@ -29,6 +30,12 @@ typedef struct {
uint32_t accel_updated_at;
/** Host-enabled ESP-NOW accel stream to master. */
bool accel_stream_enabled;
/** Latest LiPo ADC from slave ESP-NOW battery report (~30 s). */
bool lipo1_valid;
bool lipo2_valid;
uint32_t lipo1_mv;
uint32_t lipo2_mv;
uint32_t battery_updated_at;
} client_info_t;
#define CLIENT_REGISTRY_DEFAULT_ACCEL_DEADZONE 100u
@@ -80,4 +87,15 @@ esp_err_t client_registry_set_accel_stream(uint32_t client_id, bool enabled);
esp_err_t client_registry_get_accel_stream(uint32_t client_id, bool *enabled_out);
size_t client_registry_set_accel_stream_all(bool enabled);
/** Master local LiPo (client_id 0 in UART battery responses). */
void client_registry_set_master_battery(const board_lipo_reading_t *reading);
bool client_registry_get_master_battery(board_lipo_reading_t *reading_out,
uint32_t *age_ms_out);
/** Store latest battery report from a slave (matched by sender MAC). */
esp_err_t client_registry_update_battery(const uint8_t mac[CLIENT_MAC_LEN],
uint32_t slave_id, bool lipo1_valid,
uint32_t lipo1_mv, bool lipo2_valid,
uint32_t lipo2_mv);
#endif