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wrover ... main

Author SHA1 Message Date
Adrian A. Baumann
0fa9493928 Merge pull request 'dev' (#1) from dev into main 
Reviewed-on: #1
 2026-04-11 17:47:37 +00:00
5 changed files with 71 additions and 239 deletions
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3d_model/Box for one.stl
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3d_model/case_test.stl
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11
config.multi.example.json
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@@ -20,9 +20,7 @@
"unit": "W",
"leds": {
"red_pin": 33,
"green_pin": 32,
"ws2812_red": [255, 0, 0],
"ws2812_green": [0, 255, 0]
"green_pin": 32
}
},
{
@@ -36,17 +34,14 @@
"unit": "C",
"leds": {
"red_pin": 21,
"green_pin": 20,
"ws2812_red": [255, 0, 0],
"ws2812_green": [0, 255, 0]
"green_pin": 20
}
}
],
"backlight": {
"pin": 23,
"num_leds_per_gauge": 3,
"num_status_leds_per_gauge": 2
"num_leds_per_gauge": 3
},
"device": {

181
gaugemqttcontinuous.py
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@@ -98,7 +98,6 @@ REZERO_INTERVAL_MS = int(_cfg.get("rezero_interval_ms", 3600000))
backlight_cfg = _cfg.get("backlight", {})
BACKLIGHT_PIN = int(backlight_cfg.get("pin", _cfg.get("led_bl_pin", 23)))
BACKLIGHT_LEDS_PER_GAUGE = int(backlight_cfg.get("num_leds_per_gauge", 3))
STATUS_LEDS_PER_GAUGE = int(backlight_cfg.get("num_status_leds_per_gauge", 2))
device_cfg = _cfg.get("device", {})
DEVICE_NAME = device_cfg.get("name", _cfg.get("device_name", "Selsyn Multi"))
@@ -127,8 +126,6 @@ if "gauges" in _cfg:
"unit": g.get("unit", ""),
"red_pin": int(led_cfg.get("red_pin", 33)),
"green_pin": int(led_cfg.get("green_pin", 32)),
"ws2812_red": tuple(led_cfg.get("ws2812_red", [255, 0, 0])),
"ws2812_green": tuple(led_cfg.get("ws2812_green", [0, 255, 0])),
}
)
else:
@@ -145,8 +142,6 @@ else:
"unit": _cfg.get("gauge_unit", "W"),
"red_pin": int(_cfg.get("led_red_pin", 33)),
"green_pin": int(_cfg.get("led_green_pin", 32)),
"ws2812_red": tuple(_cfg.get("ws2812_red", [255, 0, 0])),
"ws2812_green": tuple(_cfg.get("ws2812_green", [0, 255, 0])),
}
)
BL_UNIT = _cfg.get("backlight_unit", "%")
@@ -155,7 +150,6 @@ BL_UNIT = _cfg.get("backlight_unit", "%")
# Gauge initialization
# ---------------------------------------------------------------------------
info("Initialising gauge objects...")
gauge_objects = []
for g in gauges:
gauge_objects.append(
@@ -170,7 +164,6 @@ for g in gauges:
info(
f"Gauge {g['id']}: {g['name']} pins={g['pins']} mode={g['mode']} range=[{g['min']}, {g['max']}]"
)
info("Gauge objects done")
gauge_targets = [g["min"] for g in gauges] # target value per gauge
gauge_last_rezero = [utime.ticks_ms() for _ in gauges]
@@ -196,15 +189,17 @@ def make_gauge_topics(prefix, gauge_id):
"led_red_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_red/config",
"led_green_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_green/config",
"led_bl_disc": f"homeassistant/light/{MQTT_CLIENT_ID}_g{gauge_id}_bl/config",
"status_red": f"{prefix}/gauge{gauge_id}/status_led/red/set",
"status_green": f"{prefix}/gauge{gauge_id}/status_led/green/set",
"status_red_state": f"{prefix}/gauge{gauge_id}/status_led/red/state",
"status_green_state": f"{prefix}/gauge{gauge_id}/status_led/green/state",
"status_red_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_status_red/config",
"status_green_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_status_green/config",
}
gauge_topics = [make_gauge_topics(MQTT_PREFIX, g["id"]) for g in gauges]
T_SET = f"{MQTT_PREFIX}/set"
T_STATE = f"{MQTT_PREFIX}/state"
T_STATUS = f"{MQTT_PREFIX}/status"
T_ZERO = f"{MQTT_PREFIX}/zero"
gauge_topics = [make_gauge_topics(MQTT_PREFIX, g["id"]) for g in gauges]
T_SET = f"{MQTT_PREFIX}/set"
@@ -234,12 +229,6 @@ def make_gauge_topics(prefix, gauge_id):
"led_red_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_red/config",
"led_green_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_green/config",
"led_bl_disc": f"homeassistant/light/{MQTT_CLIENT_ID}_g{gauge_id}_bl/config",
"status_red": f"{prefix}/gauge{gauge_id}/status_led/red/set",
"status_green": f"{prefix}/gauge{gauge_id}/status_led/green/set",
"status_red_state": f"{prefix}/gauge{gauge_id}/status_led/red/state",
"status_green_state": f"{prefix}/gauge{gauge_id}/status_led/green/state",
"status_red_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_status_red/config",
"status_green_disc": f"homeassistant/switch/{MQTT_CLIENT_ID}_g{gauge_id}_status_green/config",
}
@@ -320,7 +309,6 @@ def check_wifi():
# LEDs (per gauge)
# ---------------------------------------------------------------------------
info("Initialising LEDs...")
num_gauges = len(gauges)
leds_red = []
leds_green = []
@@ -329,25 +317,19 @@ for g in gauges:
leds_red.append(Pin(g["red_pin"], Pin.OUT, value=0))
leds_green.append(Pin(g["green_pin"], Pin.OUT, value=0))
total_backlight_leds = num_gauges * (BACKLIGHT_LEDS_PER_GAUGE + STATUS_LEDS_PER_GAUGE)
info(f"Total backlight LEDs: {total_backlight_leds}")
leds_bl = (
NeoPixel(Pin(BACKLIGHT_PIN), total_backlight_leds)
if total_backlight_leds > 0
else None
)
info("LEDs done")
total_backlight_leds = num_gauges * BACKLIGHT_LEDS_PER_GAUGE
leds_bl = NeoPixel(Pin(BACKLIGHT_PIN), total_backlight_leds)
_backlight_color = (0, 0, 0)
_backlight_brightness = 100
_backlight_on = False
_bl_dirty_since = None
_BL_SAVE_DELAY_MS = 5000
backlight_color = [(0, 0, 0) for _ in range(num_gauges)]
backlight_brightness = [100 for _ in range(num_gauges)]
backlight_on = [False for _ in range(num_gauges)]
status_led_red = [False for _ in range(num_gauges)]
status_led_green = [False for _ in range(num_gauges)]
_bl_dirty_since = None
_BL_SAVE_DELAY_MS = 5000
def _flush_backlight(client):
for i in range(num_gauges):
@@ -361,7 +343,11 @@ def _flush_backlight(client):
},
"brightness": int(backlight_brightness[i] * 2.55),
}
client.publish(gt["led_bl_state"], ujson.dumps(payload), retain=True)
client.publish(
f"{gt['set'].replace('/set', '/backlight/state')}",
ujson.dumps(payload),
retain=True,
)
info(
f"Gauge {i} backlight: {payload['state']} {backlight_color[i]} @ {backlight_brightness[i]}%"
)
@@ -393,14 +379,10 @@ def set_backlight_color(gauge_idx, r, g, b, brightness=None):
backlight_on[gauge_idx] = new_on
scale = brightness / 100
leds_per_gauge = BACKLIGHT_LEDS_PER_GAUGE + STATUS_LEDS_PER_GAUGE
base_idx = gauge_idx * leds_per_gauge
base_idx = gauge_idx * BACKLIGHT_LEDS_PER_GAUGE
for j in range(BACKLIGHT_LEDS_PER_GAUGE):
if leds_bl:
leds_bl[base_idx + j] = (int(g * scale), int(r * scale), int(b * scale))
_update_status_leds(gauge_idx)
if leds_bl:
leds_bl.write()
leds_bl[base_idx + j] = (int(g * scale), int(r * scale), int(b * scale))
leds_bl.write()
_mark_bl_dirty()
@@ -415,49 +397,13 @@ def set_backlight_brightness(gauge_idx, brightness):
backlight_on[gauge_idx] = new_on
r, g, b = backlight_color[gauge_idx]
scale = clamped / 100
leds_per_gauge = BACKLIGHT_LEDS_PER_GAUGE + STATUS_LEDS_PER_GAUGE
base_idx = gauge_idx * leds_per_gauge
base_idx = gauge_idx * BACKLIGHT_LEDS_PER_GAUGE
for j in range(BACKLIGHT_LEDS_PER_GAUGE):
if leds_bl:
leds_bl[base_idx + j] = (int(g * scale), int(r * scale), int(b * scale))
_update_status_leds(gauge_idx)
if leds_bl:
leds_bl.write()
leds_bl[base_idx + j] = (int(g * scale), int(r * scale), int(b * scale))
leds_bl.write()
_mark_bl_dirty()
def _update_status_leds(gauge_idx):
if not leds_bl:
return
leds_per_gauge = BACKLIGHT_LEDS_PER_GAUGE + STATUS_LEDS_PER_GAUGE
base_idx = gauge_idx * leds_per_gauge + BACKLIGHT_LEDS_PER_GAUGE
g_cfg = gauges[gauge_idx]
red_color = g_cfg["ws2812_red"]
green_color = g_cfg["ws2812_green"]
if status_led_red[gauge_idx]:
leds_bl[base_idx] = (red_color[1], red_color[0], red_color[2])
else:
leds_bl[base_idx] = (0, 0, 0)
if status_led_green[gauge_idx]:
leds_bl[base_idx + 1] = (green_color[1], green_color[0], green_color[2])
else:
leds_bl[base_idx + 1] = (0, 0, 0)
def set_status_led(gauge_idx, led_type, state):
global status_led_red, status_led_green
if led_type == "red":
status_led_red[gauge_idx] = state
elif led_type == "green":
status_led_green[gauge_idx] = state
_update_status_leds(gauge_idx)
if leds_bl:
leds_bl.write()
# ---------------------------------------------------------------------------
# State
# ---------------------------------------------------------------------------
@@ -567,20 +513,6 @@ def on_message(topic, payload):
info(f"Gauge {i} backlight → #{r:02x}{g:02x}{b:02x} @ {brightness}%")
return
if topic == gt["status_red"]:
state = payload.upper() == "ON"
set_status_led(i, "red", state)
_publish(gt["status_red_state"], "ON" if state else "OFF", retain=True)
info(f"Gauge {i} status red → {'ON' if state else 'OFF'}")
return
if topic == gt["status_green"]:
state = payload.upper() == "ON"
set_status_led(i, "green", state)
_publish(gt["status_green_state"], "ON" if state else "OFF", retain=True)
info(f"Gauge {i} status green → {'ON' if state else 'OFF'}")
return
# ---------------------------------------------------------------------------
# MQTT connect + discovery
@@ -598,7 +530,7 @@ def connect_mqtt():
password=MQTT_PASSWORD,
keepalive=60,
)
client.set_last_will(gauge_topics[0]["status"], b"offline", retain=True, qos=0)
client.set_last_will(T_STATUS, b"offline", retain=True, qos=0)
client.set_callback(on_message)
client.connect()
client_ref = client
@@ -610,8 +542,6 @@ def connect_mqtt():
client.subscribe(gt["led_red"])
client.subscribe(gt["led_green"])
client.subscribe(gt["led_bl"])
client.subscribe(gt["status_red"])
client.subscribe(gt["status_green"])
_mqtt_connected = True
info(f"MQTT connected client_id={MQTT_CLIENT_ID}")
return client
@@ -651,9 +581,7 @@ def check_mqtt():
password=MQTT_PASSWORD,
keepalive=60,
)
client_ref.set_last_will(
gauge_topics[0]["status"], b"offline", retain=True, qos=0
)
client_ref.set_last_will(T_STATUS, b"offline", retain=True, qos=0)
client_ref.set_callback(on_message)
client_ref.connect()
client_ref.subscribe(T_SET)
@@ -664,8 +592,6 @@ def check_mqtt():
client_ref.subscribe(gt["led_red"])
client_ref.subscribe(gt["led_green"])
client_ref.subscribe(gt["led_bl"])
client_ref.subscribe(gt["status_red"])
client_ref.subscribe(gt["status_green"])
_mqtt_connected = True
info("MQTT reconnected!")
publish_discovery(client_ref)
@@ -770,44 +696,6 @@ def publish_discovery(client):
)
info(f"Discovery: gauge {i} backlight")
client.publish(
gt["status_red_disc"],
ujson.dumps(
{
"name": f"{g['name']} Status Red",
"uniq_id": f"{MQTT_CLIENT_ID}_g{i}_status_red",
"cmd_t": gt["status_red"],
"stat_t": gt["status_red_state"],
"pl_on": "ON",
"pl_off": "OFF",
"icon": "mdi:led-on",
"dev": _dev_ref,
"ret": True,
}
),
retain=True,
)
info(f"Discovery: gauge {i} status red")
client.publish(
gt["status_green_disc"],
ujson.dumps(
{
"name": f"{g['name']} Status Green",
"uniq_id": f"{MQTT_CLIENT_ID}_g{i}_status_green",
"cmd_t": gt["status_green"],
"stat_t": gt["status_green_state"],
"pl_on": "ON",
"pl_off": "OFF",
"icon": "mdi:led-on",
"dev": _dev_ref,
"ret": True,
}
),
retain=True,
)
info(f"Discovery: gauge {i} status green")
def publish_state(client):
for i, g in enumerate(gauge_objects):
@@ -824,29 +712,21 @@ def publish_state(client):
def main():
utime.sleep_ms(0)
info("=" * 48)
info("Gauge MQTT controller starting")
info("=" * 48)
info("Connecting WiFi...")
connect_wifi(WIFI_SSID, WIFI_PASSWORD)
info("WiFi done")
info("Zeroing gauges on startup ...")
for i, g in enumerate(gauge_objects):
g.zero()
info(f"Zeroed gauge {i}")
info("Zero done")
info("Zero complete")
info("Connecting MQTT...")
connect_mqtt()
info("MQTT done")
info("Publishing discovery...")
publish_discovery(client_ref)
publish_state(client_ref)
info("Discovery done")
info("Entering main loop")
info("-" * 48)
@@ -863,7 +743,6 @@ def main():
last_heartbeat = utime.ticks_ms()
while True:
utime.sleep_ms(0)
try:
check_wifi()

118
ota.py
View File

@@ -63,84 +63,60 @@ import utime
# Default configuration — override via /ota_config.json
# ---------------------------------------------------------------------------
GITEA_BASE = "http://git.baumann.gr" # no trailing slash
REPO_OWNER = "adrian"
REPO_NAME = "esp32-gauge"
REPO_FOLDER = "firmware" # folder inside repo to sync
REPO_BRANCH = "main"
API_TOKEN = None # set to string for private repos
GITEA_BASE = "http://git.baumann.gr" # no trailing slash
REPO_OWNER = "adrian"
REPO_NAME = "esp32-gauge"
REPO_FOLDER = "firmware" # folder inside repo to sync
REPO_BRANCH = "main"
API_TOKEN = None # set to string for private repos
WIFI_SSID = None
WIFI_SSID = None
WIFI_PASSWORD = None
SETTINGS_FILE = "/ota_config.json"
MANIFEST_FILE = "/.ota_manifest.json"
OK_FLAG_FILE = "/.ota_ok"
OTA_MANIFEST = "ota_manifest.txt"
OK_FLAG_FILE = "/.ota_ok"
OTA_MANIFEST = "ota_manifest.txt"
# ---------------------------------------------------------------------------
# Logging
# ---------------------------------------------------------------------------
def _ts():
ms = utime.ticks_ms()
return f"{(ms // 3600000) % 24:02d}:{(ms // 60000) % 60:02d}:{(ms // 1000) % 60:02d}.{ms % 1000:03d}"
def _log(level, msg):
print(f"[{_ts()}] {level:5s} [OTA] {msg}")
def info(msg):
_log("INFO", msg)
def warn(msg):
_log("WARN", msg)
def log_err(msg):
_log("ERROR", msg)
return f"{(ms//3600000)%24:02d}:{(ms//60000)%60:02d}:{(ms//1000)%60:02d}.{ms%1000:03d}"
def _log(level, msg): print(f"[{_ts()}] {level:5s} [OTA] {msg}")
def info(msg): _log("INFO", msg)
def warn(msg): _log("WARN", msg)
def log_err(msg): _log("ERROR", msg)
# ---------------------------------------------------------------------------
# HTTP helpers
# ---------------------------------------------------------------------------
def _headers():
h = {"Accept": "application/json"}
if API_TOKEN:
h["Authorization"] = f"token {API_TOKEN}"
return h
# ---------------------------------------------------------------------------
# Config loader
# ---------------------------------------------------------------------------
def load_config():
global \
GITEA_BASE, \
REPO_OWNER, \
REPO_NAME, \
REPO_FOLDER, \
REPO_BRANCH, \
API_TOKEN, \
WIFI_SSID, \
WIFI_PASSWORD
global GITEA_BASE, REPO_OWNER, REPO_NAME, REPO_FOLDER, REPO_BRANCH, API_TOKEN, WIFI_SSID, WIFI_PASSWORD
try:
with open(SETTINGS_FILE) as f:
cfg = ujson.load(f)
GITEA_BASE = cfg.get("gitea_base", GITEA_BASE)
REPO_OWNER = cfg.get("repo_owner", REPO_OWNER)
REPO_NAME = cfg.get("repo_name", REPO_NAME)
REPO_FOLDER = cfg.get("repo_folder", REPO_FOLDER)
REPO_BRANCH = cfg.get("repo_branch", REPO_BRANCH)
API_TOKEN = cfg.get("api_token", API_TOKEN)
WIFI_SSID = cfg.get("wifi_ssid", WIFI_SSID)
GITEA_BASE = cfg.get("gitea_base", GITEA_BASE)
REPO_OWNER = cfg.get("repo_owner", REPO_OWNER)
REPO_NAME = cfg.get("repo_name", REPO_NAME)
REPO_FOLDER = cfg.get("repo_folder", REPO_FOLDER)
REPO_BRANCH = cfg.get("repo_branch", REPO_BRANCH)
API_TOKEN = cfg.get("api_token", API_TOKEN)
WIFI_SSID = cfg.get("wifi_ssid", WIFI_SSID)
WIFI_PASSWORD = cfg.get("wifi_password", WIFI_PASSWORD)
info(f"Config loaded from {SETTINGS_FILE}")
except OSError:
@@ -148,12 +124,10 @@ def load_config():
except Exception as e:
warn(f"Config parse error: {e} — using defaults")
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
def _match_pattern(name, pattern):
if "*" not in pattern:
return name == pattern
@@ -176,9 +150,11 @@ def _match_pattern(name, pattern):
i += 1
return i == n and j == m
def _fetch_commit_sha():
url = f"{GITEA_BASE}/api/v1/repos/{REPO_OWNER}/{REPO_NAME}/branches/{REPO_BRANCH}"
url = (
f"{GITEA_BASE}/api/v1/repos/{REPO_OWNER}/{REPO_NAME}"
f"/branches/{REPO_BRANCH}"
)
try:
r = urequests.get(url, headers=_headers())
if r.status_code == 200:
@@ -190,7 +166,6 @@ def _fetch_commit_sha():
log_err(f"Failed to fetch commit: {e}")
return None
def _fetch_manifest():
url = (
f"{GITEA_BASE}/api/v1/repos/{REPO_OWNER}/{REPO_NAME}"
@@ -203,7 +178,6 @@ def _fetch_manifest():
r.close()
if data.get("content"):
import ubinascii
content = ubinascii.a2b_base64(data["content"]).decode()
patterns = [line.strip() for line in content.splitlines()]
return [p for p in patterns if p and not p.startswith("#")]
@@ -214,7 +188,6 @@ def _fetch_manifest():
log_err(f"Failed to fetch manifest: {e}")
return None
def _fetch_dir(path):
url = (
f"{GITEA_BASE}/api/v1/repos/{REPO_OWNER}/{REPO_NAME}"
@@ -222,7 +195,6 @@ def _fetch_dir(path):
)
return _api_get(url)
def _api_get(url):
"""GET a URL and return parsed JSON, or None on failure."""
try:
@@ -237,7 +209,6 @@ def _api_get(url):
log_err(f"GET {url} failed: {e}")
return None
def _download(url, dest_path):
"""Download url to dest_path. Returns True on success."""
tmp = dest_path + ".tmp"
@@ -265,7 +236,6 @@ def _download(url, dest_path):
pass
return False
def _load_manifest():
try:
with open(MANIFEST_FILE) as f:
@@ -273,7 +243,6 @@ def _load_manifest():
except Exception:
return {}
def _save_manifest(manifest, commit_sha=None):
try:
with open(MANIFEST_FILE, "w") as f:
@@ -283,7 +252,6 @@ def _save_manifest(manifest, commit_sha=None):
except Exception as e:
warn(f"Could not save manifest: {e}")
def _wipe_manifest():
try:
os.remove(MANIFEST_FILE)
@@ -291,7 +259,6 @@ def _wipe_manifest():
except OSError:
pass
def _ok_flag_exists():
try:
os.stat(OK_FLAG_FILE)
@@ -299,14 +266,12 @@ def _ok_flag_exists():
except OSError:
return False
def _clear_ok_flag():
try:
os.remove(OK_FLAG_FILE)
except OSError:
pass
def mark_ok():
"""
Call this from main.py after successful startup.
@@ -318,12 +283,10 @@ def mark_ok():
except Exception as e:
warn(f"Could not write OK flag: {e}")
# ---------------------------------------------------------------------------
# Core update logic
# ---------------------------------------------------------------------------
def _fetch_file_list():
"""
Returns list of {name, sha, download_url} dicts based on the
@@ -356,13 +319,11 @@ def _fetch_file_list():
if _match_pattern(name, p) or _match_pattern(entry["path"], p):
if entry["path"] not in visited:
visited.add(entry["path"])
files.append(
{
"name": entry["path"],
"sha": entry["sha"],
"download_url": entry["download_url"],
}
)
files.append({
"name": entry["path"],
"sha": entry["sha"],
"download_url": entry["download_url"],
})
break
root = _fetch_dir(REPO_FOLDER)
@@ -372,15 +333,12 @@ def _fetch_file_list():
fetch_matching(root, manifest_patterns)
return files
def _do_update(commit_sha=None):
"""
Fetch file list, download changed files, update manifest.
Returns True if all succeeded (or nothing needed updating).
"""
info(
f"Checking {GITEA_BASE}/{REPO_OWNER}/{REPO_NAME}/{REPO_FOLDER} @ {REPO_BRANCH}"
)
info(f"Checking {GITEA_BASE}/{REPO_OWNER}/{REPO_NAME}/{REPO_FOLDER} @ {REPO_BRANCH}")
file_list = _fetch_file_list()
if file_list is None:
log_err("Could not fetch file list — skipping update")
@@ -388,12 +346,12 @@ def _do_update(commit_sha=None):
info(f"Found {len(file_list)} file(s) to sync")
manifest = _load_manifest()
updated = []
failed = []
updated = []
failed = []
for entry in file_list:
name = entry["name"]
sha = entry["sha"]
sha = entry["sha"]
if manifest.get(name) == sha:
info(f" {name} up to date")
@@ -424,12 +382,10 @@ def _do_update(commit_sha=None):
return True
# ---------------------------------------------------------------------------
# Public entry point
# ---------------------------------------------------------------------------
def update():
"""
Main entry point. Call from boot.py before importing application code.
@@ -452,7 +408,9 @@ def update():
if not ok_flag:
warn("OK flag missing — last boot may have failed")
warn("Re-checking all files, will only download changed ones")
warn("Wiping manifest to force full re-fetch")
_wipe_manifest()
manifest = {}
else:
info("OK flag present — last boot was good")