feat: OWON PC 321 - support clear measurement data (#7895)

* OWON PC 321 - Add clear measurement data

* Update owon.ts

* updates

---------

Co-authored-by: Koen Kanters <[email protected]>

Author: Lacrymal3

src/devices/owon.ts

@@ -6,7 +6,7 @@ import * as legacy from '../lib/legacy';
 import {battery, iasZoneAlarm} from '../lib/modernExtend';
 import * as reporting from '../lib/reporting';
 import * as tuya from '../lib/tuya';
-import {DefinitionWithExtend, Fz, KeyValue} from '../lib/types';
+import {DefinitionWithExtend, Fz, KeyValue, Tz} from '../lib/types';
 const e = exposes.presets;
 const ea = exposes.access;
 
@@ -127,6 +127,15 @@ const fzLocal = {
     } satisfies Fz.Converter,
 };
 
+const tzLocal = {
+    PC321_clearMetering: {
+        key: ['clear_metering'],
+        convertSet: async (entity, key, value, meta) => {
+            await entity.command(0xffe0, 0x00, {}, {disableDefaultResponse: true});
+        },
+    } satisfies Tz.Converter,
+};
+
 const definitions: DefinitionWithExtend[] = [
     {
         zigbeeModel: ['WSP402'],
@@ -302,7 +311,7 @@ const definitions: DefinitionWithExtend[] = [
         vendor: 'OWON',
         description: '3-Phase clamp power meter',
         fromZigbee: [fz.metering, fzLocal.PC321_metering],
-        toZigbee: [],
+        toZigbee: [tzLocal.PC321_clearMetering],
         configure: async (device, coordinatorEndpoint) => {
             const endpoint = device.getEndpoint(1);
             await reporting.bind(endpoint, coordinatorEndpoint, ['seMetering']);
@@ -340,6 +349,7 @@ const definitions: DefinitionWithExtend[] = [
             e.numeric('power_factor_l1', ea.STATE).withUnit('%').withDescription('Phase 1 power factor'),
             e.numeric('power_factor_l2', ea.STATE).withUnit('%').withDescription('Phase 2 power factor'),
             e.numeric('power_factor_l3', ea.STATE).withUnit('%').withDescription('Phase 3 power factor'),
+            e.enum('clear_metering', ea.SET, ['clear']).withDescription('Clear measurement data'),
         ],
     },
     {