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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
Download Patch File Download Diff File Expand all files Collapse all files
main/proto/esp_now_messages.pb.h
+60 -4
View File
@@ -25,7 +25,9 @@ typedef enum _alox_EspNowMessageType {
alox_EspNowMessageType_ESPNOW_RESTART = 11,
alox_EspNowMessageType_ESPNOW_ACCEL_SAMPLE = 12,
alox_EspNowMessageType_ESPNOW_SET_ACCEL_STREAM = 13,
alox_EspNowMessageType_ESPNOW_LED_RING = 14
alox_EspNowMessageType_ESPNOW_LED_RING = 14,
alox_EspNowMessageType_ESPNOW_BATTERY_QUERY = 15,
alox_EspNowMessageType_ESPNOW_BATTERY_REPORT = 16
} alox_EspNowMessageType;
/* Struct definitions */
@@ -76,6 +78,20 @@ typedef struct _alox_EspNowAccelSample {
int32_t z;
} alox_EspNowAccelSample;
/* * Master → slave: on-demand LiPo read (optional; slaves also push every ~30 s). */
typedef struct _alox_EspNowBatteryQuery {
uint32_t client_id;
} alox_EspNowBatteryQuery;
/* * Slave → master: LiPo voltages (periodic ~30 s and on query). */
typedef struct _alox_EspNowBatteryReport {
uint32_t client_id;
bool lipo1_valid;
bool lipo2_valid;
uint32_t lipo1_mv;
uint32_t lipo2_mv;
} alox_EspNowBatteryReport;
/* * Master → slave: LED ring command (same modes as UART LedRingProgressRequest). */
typedef struct _alox_EspNowLedRing {
uint32_t client_id;
@@ -132,6 +148,8 @@ typedef struct _alox_EspNowMessage {
alox_EspNowAccelSample accel_sample;
alox_EspNowAccelStream accel_stream;
alox_EspNowLedRing led_ring;
alox_EspNowBatteryQuery battery_query;
alox_EspNowBatteryReport battery_report;
} payload;
} alox_EspNowMessage;
@@ -142,8 +160,10 @@ extern "C" {
/* Helper constants for enums */
#define _alox_EspNowMessageType_MIN alox_EspNowMessageType_ESPNOW_UNKNOWN
#define _alox_EspNowMessageType_MAX alox_EspNowMessageType_ESPNOW_LED_RING
#define _alox_EspNowMessageType_ARRAYSIZE ((alox_EspNowMessageType)(alox_EspNowMessageType_ESPNOW_LED_RING+1))
#define _alox_EspNowMessageType_MAX alox_EspNowMessageType_ESPNOW_BATTERY_REPORT
#define _alox_EspNowMessageType_ARRAYSIZE ((alox_EspNowMessageType)(alox_EspNowMessageType_ESPNOW_BATTERY_REPORT+1))
@@ -170,6 +190,8 @@ extern "C" {
#define alox_EspNowAccelDeadzone_init_default {0, 0}
#define alox_EspNowAccelStream_init_default {0, 0}
#define alox_EspNowAccelSample_init_default {0, 0, 0, 0}
#define alox_EspNowBatteryQuery_init_default {0}
#define alox_EspNowBatteryReport_init_default {0, 0, 0, 0, 0}
#define alox_EspNowLedRing_init_default {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
#define alox_EspNowOtaStart_init_default {0}
#define alox_EspNowOtaPayload_init_default {0, {0, {0}}}
@@ -184,6 +206,8 @@ extern "C" {
#define alox_EspNowAccelDeadzone_init_zero {0, 0}
#define alox_EspNowAccelStream_init_zero {0, 0}
#define alox_EspNowAccelSample_init_zero {0, 0, 0, 0}
#define alox_EspNowBatteryQuery_init_zero {0}
#define alox_EspNowBatteryReport_init_zero {0, 0, 0, 0, 0}
#define alox_EspNowLedRing_init_zero {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
#define alox_EspNowOtaStart_init_zero {0}
#define alox_EspNowOtaPayload_init_zero {0, {0, {0}}}
@@ -210,6 +234,12 @@ extern "C" {
#define alox_EspNowAccelSample_x_tag 2
#define alox_EspNowAccelSample_y_tag 3
#define alox_EspNowAccelSample_z_tag 4
#define alox_EspNowBatteryQuery_client_id_tag 1
#define alox_EspNowBatteryReport_client_id_tag 1
#define alox_EspNowBatteryReport_lipo1_valid_tag 2
#define alox_EspNowBatteryReport_lipo2_valid_tag 3
#define alox_EspNowBatteryReport_lipo1_mv_tag 4
#define alox_EspNowBatteryReport_lipo2_mv_tag 5
#define alox_EspNowLedRing_client_id_tag 1
#define alox_EspNowLedRing_mode_tag 2
#define alox_EspNowLedRing_progress_tag 3
@@ -241,6 +271,8 @@ extern "C" {
#define alox_EspNowMessage_accel_sample_tag 13
#define alox_EspNowMessage_accel_stream_tag 14
#define alox_EspNowMessage_led_ring_tag 15
#define alox_EspNowMessage_battery_query_tag 16
#define alox_EspNowMessage_battery_report_tag 17
/* Struct field encoding specification for nanopb */
#define alox_EspNowUnicastTest_FIELDLIST(X, a) \
@@ -293,6 +325,20 @@ X(a, STATIC, SINGULAR, SINT32, z, 4)
#define alox_EspNowAccelSample_CALLBACK NULL
#define alox_EspNowAccelSample_DEFAULT NULL
#define alox_EspNowBatteryQuery_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, client_id, 1)
#define alox_EspNowBatteryQuery_CALLBACK NULL
#define alox_EspNowBatteryQuery_DEFAULT NULL
#define alox_EspNowBatteryReport_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, client_id, 1) \
X(a, STATIC, SINGULAR, BOOL, lipo1_valid, 2) \
X(a, STATIC, SINGULAR, BOOL, lipo2_valid, 3) \
X(a, STATIC, SINGULAR, UINT32, lipo1_mv, 4) \
X(a, STATIC, SINGULAR, UINT32, lipo2_mv, 5)
#define alox_EspNowBatteryReport_CALLBACK NULL
#define alox_EspNowBatteryReport_DEFAULT NULL
#define alox_EspNowLedRing_FIELDLIST(X, a) \
X(a, STATIC, SINGULAR, UINT32, client_id, 1) \
X(a, STATIC, SINGULAR, UINT32, mode, 2) \
@@ -345,7 +391,9 @@ X(a, STATIC, ONEOF, MESSAGE, (payload,find_me,payload.find_me), 11) \
X(a, STATIC, ONEOF, MESSAGE, (payload,restart,payload.restart), 12) \
X(a, STATIC, ONEOF, MESSAGE, (payload,accel_sample,payload.accel_sample), 13) \
X(a, STATIC, ONEOF, MESSAGE, (payload,accel_stream,payload.accel_stream), 14) \
X(a, STATIC, ONEOF, MESSAGE, (payload,led_ring,payload.led_ring), 15)
X(a, STATIC, ONEOF, MESSAGE, (payload,led_ring,payload.led_ring), 15) \
X(a, STATIC, ONEOF, MESSAGE, (payload,battery_query,payload.battery_query), 16) \
X(a, STATIC, ONEOF, MESSAGE, (payload,battery_report,payload.battery_report), 17)
#define alox_EspNowMessage_CALLBACK NULL
#define alox_EspNowMessage_DEFAULT NULL
#define alox_EspNowMessage_payload_discover_MSGTYPE alox_EspNowDiscover
@@ -362,6 +410,8 @@ X(a, STATIC, ONEOF, MESSAGE, (payload,led_ring,payload.led_ring), 15)
#define alox_EspNowMessage_payload_accel_sample_MSGTYPE alox_EspNowAccelSample
#define alox_EspNowMessage_payload_accel_stream_MSGTYPE alox_EspNowAccelStream
#define alox_EspNowMessage_payload_led_ring_MSGTYPE alox_EspNowLedRing
#define alox_EspNowMessage_payload_battery_query_MSGTYPE alox_EspNowBatteryQuery
#define alox_EspNowMessage_payload_battery_report_MSGTYPE alox_EspNowBatteryReport
extern const pb_msgdesc_t alox_EspNowUnicastTest_msg;
extern const pb_msgdesc_t alox_EspNowFindMe_msg;
@@ -371,6 +421,8 @@ extern const pb_msgdesc_t alox_EspNowSlavePresence_msg;
extern const pb_msgdesc_t alox_EspNowAccelDeadzone_msg;
extern const pb_msgdesc_t alox_EspNowAccelStream_msg;
extern const pb_msgdesc_t alox_EspNowAccelSample_msg;
extern const pb_msgdesc_t alox_EspNowBatteryQuery_msg;
extern const pb_msgdesc_t alox_EspNowBatteryReport_msg;
extern const pb_msgdesc_t alox_EspNowLedRing_msg;
extern const pb_msgdesc_t alox_EspNowOtaStart_msg;
extern const pb_msgdesc_t alox_EspNowOtaPayload_msg;
@@ -387,6 +439,8 @@ extern const pb_msgdesc_t alox_EspNowMessage_msg;
#define alox_EspNowAccelDeadzone_fields &alox_EspNowAccelDeadzone_msg
#define alox_EspNowAccelStream_fields &alox_EspNowAccelStream_msg
#define alox_EspNowAccelSample_fields &alox_EspNowAccelSample_msg
#define alox_EspNowBatteryQuery_fields &alox_EspNowBatteryQuery_msg
#define alox_EspNowBatteryReport_fields &alox_EspNowBatteryReport_msg
#define alox_EspNowLedRing_fields &alox_EspNowLedRing_msg
#define alox_EspNowOtaStart_fields &alox_EspNowOtaStart_msg
#define alox_EspNowOtaPayload_fields &alox_EspNowOtaPayload_msg
@@ -401,6 +455,8 @@ extern const pb_msgdesc_t alox_EspNowMessage_msg;
#define alox_EspNowAccelDeadzone_size 12
#define alox_EspNowAccelSample_size 24
#define alox_EspNowAccelStream_size 8
#define alox_EspNowBatteryQuery_size 6
#define alox_EspNowBatteryReport_size 22
#define alox_EspNowDiscover_size 6
#define alox_EspNowFindMe_size 6
#define alox_EspNowLedRing_size 60