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Add ESP32 platform driver for full NetworkCommissioning cluster
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * | ||
| * Copyright (c) 2021 Project CHIP Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| #pragma once | ||
| #include <esp_wifi.h> | ||
| #include <platform/NetworkCommissioning.h> | ||
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| namespace chip { | ||
| namespace DeviceLayer { | ||
| namespace NetworkCommissioning { | ||
| #if CHIP_DEVICE_CONFIG_ENABLE_WIFI | ||
| namespace { | ||
| constexpr uint8_t kMaxWiFiNetworks = 1; | ||
| constexpr uint8_t kWiFiScanNetworksTimeOutSeconds = 10; | ||
| constexpr uint8_t kWiFiConnectNetworkTimeoutSeconds = 20; | ||
| } // namespace | ||
|
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| class ESPScanResponseIterator : public Iterator<WiFiScanResponse> | ||
| { | ||
| public: | ||
| ESPScanResponseIterator(const size_t size, const wifi_ap_record_t * scanResults) : mSize(size), mpScanResults(scanResults) {} | ||
| size_t Count() override { return mSize; } | ||
| bool Next(WiFiScanResponse & item) override | ||
| { | ||
| if (mIternum >= mSize) | ||
| { | ||
| return false; | ||
| } | ||
|
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| item.security = mpScanResults[mIternum].authmode; | ||
| item.ssidLen = | ||
| strnlen(reinterpret_cast<const char *>(mpScanResults[mIternum].ssid), chip::DeviceLayer::Internal::kMaxWiFiSSIDLength); | ||
| item.channel = mpScanResults[mIternum].primary; | ||
| item.wiFiBand = chip::DeviceLayer::NetworkCommissioning::WiFiBand::k2g4; | ||
| item.rssi = mpScanResults[mIternum].rssi; | ||
| memcpy(item.ssid, mpScanResults[mIternum].ssid, item.ssidLen); | ||
| memcpy(item.bssid, mpScanResults[mIternum].bssid, 6); | ||
|
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| mIternum++; | ||
| return true; | ||
| } | ||
| void Release() override {} | ||
|
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| private: | ||
| const size_t mSize; | ||
| const wifi_ap_record_t * mpScanResults; | ||
| size_t mIternum = 0; | ||
| }; | ||
|
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| class ESPWiFiDriver final : public WiFiDriver | ||
| { | ||
| public: | ||
| class WiFiNetworkIterator final : public NetworkIterator | ||
| { | ||
| public: | ||
| WiFiNetworkIterator(ESPWiFiDriver * aDriver) : mDriver(aDriver) {} | ||
| size_t Count() override; | ||
| bool Next(Network & item) override; | ||
| void Release() override { delete this; } | ||
| ~WiFiNetworkIterator() = default; | ||
|
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| private: | ||
| ESPWiFiDriver * mDriver; | ||
| bool mExhausted = false; | ||
| }; | ||
|
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| struct WiFiNetwork | ||
| { | ||
| char ssid[DeviceLayer::Internal::kMaxWiFiSSIDLength]; | ||
| uint8_t ssidLen = 0; | ||
| char credentials[DeviceLayer::Internal::kMaxWiFiKeyLength]; | ||
| uint8_t credentialsLen = 0; | ||
| }; | ||
|
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| // BaseDriver | ||
| NetworkIterator * GetNetworks() override { return new WiFiNetworkIterator(this); } | ||
| CHIP_ERROR Init() override; | ||
| CHIP_ERROR Shutdown() override; | ||
|
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| // WirelessDriver | ||
| uint8_t GetMaxNetworks() override { return kMaxWiFiNetworks; } | ||
| uint8_t GetScanNetworkTimeoutSeconds() override { return kWiFiScanNetworksTimeOutSeconds; } | ||
| uint8_t GetConnectNetworkTimeoutSeconds() override { return kWiFiConnectNetworkTimeoutSeconds; } | ||
|
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| CHIP_ERROR CommitConfiguration() override; | ||
| CHIP_ERROR RevertConfiguration() override; | ||
|
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| Status RemoveNetwork(ByteSpan networkId) override; | ||
| Status ReorderNetwork(ByteSpan networkId, uint8_t index) override; | ||
| void ConnectNetwork(ByteSpan networkId, ConnectCallback * callback) override; | ||
|
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| // WiFiDriver | ||
| Status AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials) override; | ||
| void ScanNetworks(ByteSpan ssid, ScanCallback * callback) override; | ||
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| CHIP_ERROR ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen); | ||
| void OnConnectWiFiNetwork(); | ||
| void OnScanWiFiNetworkDone(); | ||
| static ESPWiFiDriver & GetInstance() | ||
| { | ||
| static ESPWiFiDriver instance; | ||
| return instance; | ||
| } | ||
|
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| private: | ||
| bool NetworkMatch(const WiFiNetwork & network, ByteSpan networkId); | ||
| CHIP_ERROR StartScanWiFiNetworks(ByteSpan ssid); | ||
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| WiFiNetworkIterator mWiFiIterator = WiFiNetworkIterator(this); | ||
| WiFiNetwork mSavedNetwork; | ||
| WiFiNetwork mStagingNetwork; | ||
| ScanCallback * mpScanCallback; | ||
| ConnectCallback * mpConnectCallback; | ||
| }; | ||
| #endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI | ||
|
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| #if CHIP_DEVICE_CONFIG_ENABLE_THREAD | ||
| // TODO: Add Thread Driver for ESP32H2 platform | ||
| #endif | ||
| } // namespace NetworkCommissioning | ||
| } // namespace DeviceLayer | ||
| } // namespace chip |
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