Add GoodWe ET field candidate

SUPPORT_STATUS.md

@@ -50,8 +50,8 @@ Catalog source is not proof that a target can install or run a driver.
 | goe | 1.0.0 | blixt-l1 | not_assessed | — | — | not_recorded | — | not_assessed | no |
 | goe_http | 1.0.0 | ftw-core | not_assessed | — | — | not_recorded | — | not_assessed | no |
 | goe_http | 1.0.0 | blixt-l1 | not_assessed | — | — | not_recorded | — | not_assessed | no |
-| goodwe | 1.0.1 | ftw-core | not_assessed | — | — | not_recorded | — | not_assessed | no |
-| goodwe | 1.0.1 | blixt-l1 | not_assessed | — | — | not_recorded | — | not_assessed | no |
+| goodwe | 1.0.2 | ftw-core | contract_passed | 1.0.2 | — | gw8kn_et_hk3000_required | — | profile_selected | no |
+| goodwe | 1.0.2 | blixt-l1 | not_assessed | — | — | not_recorded | — | not_assessed | no |
 | growatt | 1.0.0 | ftw-core | not_assessed | — | — | not_recorded | — | not_assessed | no |
 | growatt | 1.0.0 | blixt-l1 | not_assessed | — | — | not_recorded | — | not_assessed | no |
 | hardybarth | 1.0.0 | ftw-core | not_assessed | — | — | not_recorded | — | not_assessed | no |

THIRD_PARTY_NOTICES.md

@@ -4,3 +4,31 @@
 
 Copyright © 1994–2024 Lua.org, PUC-Rio. Lua is distributed under the MIT
 license. The full notice is retained at the end of `tools/lua55-src/lua.h`.
+
+## GoodWe GW8KN-ET register profile
+
+The `gw8kn-et-hk3000` register profile in `drivers/lua/goodwe.lua` derives from
+`srcfl/hugin-drivers/drivers/goodwe_et.lua` at commit
+`3125960a80b5237e3a5ac609963ddb1302367938`. frekes81 contributed the source.
+
+MIT License
+
+Copyright (c) 2026 Sourceful Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

devices.yaml

@@ -464,118 +464,6 @@ manufacturers:
             control: false
         firmware_versions: ""
         notes: "Three-phase hybrid inverter, tested"
-  - name: "GoodWe"
-    model_families:
-      - name: "BH Series (Single-Phase Hybrid LV)"
-        variants: [BH10, BH5, BH8]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "BP Series (Three-Phase AC-Coupled)"
-        variants: [BP10, BP5, BP8]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "BT Series (Three-Phase Hybrid LV)"
-        variants: [BT10, BT5, BT6, BT8]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "DNS Series (Single-Phase String)"
-        variants: [DNS3, DNS4, DNS5, DNS6]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "DT Series (Three-Phase String)"
-        variants: [DT10, DT15, DT17, DT20, DT25]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "EH Series (Single-Phase Hybrid)"
-        variants: [EH10, EH15, EH5, EH8]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "EM Series (Single-Phase Hybrid)"
-        variants: [EM3, EM5]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "ES Series (Single-Phase Hybrid)"
-        variants: [ES3.6, ES4.6, ES5.0]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "ET Series (Three-Phase Hybrid)"
-        variants: [ET15, ET16, ET20, ET25, ET30]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
-      - name: "XS Series (Micro)"
-        variants: [XS2, XS3]
-        regions: []
-        protocols:
-          - protocol: modbus
-            driver: "goodwe"
-            version: "1.0.1"
-            ders: [pv, battery, meter]
-            control: false
-        firmware_versions: ""
-        notes: "Community driver, requires v2 LAN+WiFi dongle"
   - name: "Growatt"
     model_families:
       - name: "MAX Series (Three-Phase Commercial)"

drivers/lua/GUIDELINES.md

@@ -119,7 +119,9 @@ if ok and regs then
 end
 ```
 
-Never let an I/O error crash your tick. A failed read returns an error; pcall catches it. Use `0` as fallback for failed reads, not `nil`.
+Never let an I/O error crash your tick. A failed read returns an error; pcall
+catches it. Do not emit a fabricated zero. Return without an emit when a core
+read fails, and omit only fields whose reads are truly optional.
 
 ### 6. Return early when there's nothing to do