| /* |
| * |
| * Copyright (c) 2021-2022 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. |
| */ |
| |
| #pragma once |
| |
| #include <platform/NetworkCommissioning.h> |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace NetworkCommissioning { |
| #if CHIP_DEVICE_CONFIG_ENABLE_WPA |
| namespace { |
| constexpr uint8_t kMaxWiFiNetworks = 1; |
| constexpr uint8_t kWiFiScanNetworksTimeOutSeconds = 10; |
| constexpr uint8_t kWiFiConnectNetworkTimeoutSeconds = |
| 80; // 60 seconds is DHCP_TIMEOUT from [NXP MCUXpresso SDK]/middleware/wifi_nxp/port/lwip/net.c |
| } // namespace |
| |
| class NXPWiFiDriver final : public WiFiDriver |
| { |
| public: |
| class WiFiNetworkIterator final : public NetworkIterator |
| { |
| public: |
| WiFiNetworkIterator(NXPWiFiDriver * aDriver) : mDriver(aDriver) {} |
| size_t Count() override; |
| bool Next(Network & item) override; |
| void Release() override { delete this; } |
| ~WiFiNetworkIterator() = default; |
| |
| private: |
| NXPWiFiDriver * mDriver; |
| bool mExhausted = false; |
| }; |
| |
| struct WiFiNetwork |
| { |
| char ssid[DeviceLayer::Internal::kMaxWiFiSSIDLength]; |
| uint8_t ssidLen = 0; |
| char credentials[DeviceLayer::Internal::kMaxWiFiKeyLength]; |
| uint8_t credentialsLen = 0; |
| }; |
| |
| // BaseDriver |
| NetworkIterator * GetNetworks() override { return new WiFiNetworkIterator(this); } |
| CHIP_ERROR Init(NetworkStatusChangeCallback * networkStatusChangeCallback) override; |
| void Shutdown() override; |
| |
| // WirelessDriver |
| uint8_t GetMaxNetworks() override { return kMaxWiFiNetworks; } |
| uint8_t GetScanNetworkTimeoutSeconds() override { return kWiFiScanNetworksTimeOutSeconds; } |
| uint8_t GetConnectNetworkTimeoutSeconds() override { return kWiFiConnectNetworkTimeoutSeconds; } |
| |
| CHIP_ERROR CommitConfiguration() override; |
| CHIP_ERROR RevertConfiguration() override; |
| |
| Status RemoveNetwork(ByteSpan networkId, MutableCharSpan & outDebugText, uint8_t & outNetworkIndex) override; |
| Status ReorderNetwork(ByteSpan networkId, uint8_t index, MutableCharSpan & outDebugText) override; |
| void ConnectNetwork(ByteSpan networkId, ConnectCallback * callback) override; |
| |
| /* Returns the network SSID. User needs to allocate a buffer of size >= DeviceLayer::Internal::kMaxWiFiSSIDLength. |
| * ssid - pointer to the returned SSID |
| */ |
| Status GetNetworkSSID(char * ssid); |
| |
| /* Returns the network password. User needs to allocate a buffer of size >= DeviceLayer::Internal::kMaxWiFiKeyLength. |
| * credentials - pointer to the returned password |
| */ |
| Status GetNetworkPassword(char * credentials); |
| |
| /* Returns all supported WiFi bands */ |
| uint32_t GetSupportedWiFiBandsMask() const override; |
| |
| // WiFiDriver |
| Status AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials, MutableCharSpan & outDebugText, |
| uint8_t & outNetworkIndex) override; |
| void ScanNetworks(ByteSpan ssid, ScanCallback * callback) override; |
| |
| CHIP_ERROR ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen); |
| void OnConnectWiFiNetwork(Status commissioningError, CharSpan debugText, int32_t connectStatus); |
| static int OnScanWiFiNetworkDone(unsigned int count); |
| static NXPWiFiDriver & GetInstance() |
| { |
| static NXPWiFiDriver instance; |
| return instance; |
| } |
| |
| private: |
| bool NetworkMatch(const WiFiNetwork & network, ByteSpan networkId); |
| CHIP_ERROR StartScanWiFiNetworks(ByteSpan ssid); |
| |
| WiFiNetworkIterator mWiFiIterator = WiFiNetworkIterator(this); |
| WiFiNetwork mSavedNetwork; |
| WiFiNetwork mStagingNetwork; |
| ScanCallback * mpScanCallback; |
| ConnectCallback * mpConnectCallback; |
| NetworkStatusChangeCallback * mpStatusChangeCallback = nullptr; |
| }; |
| #endif // CHIP_DEVICE_CONFIG_ENABLE_WPA |
| |
| } // namespace NetworkCommissioning |
| } // namespace DeviceLayer |
| } // namespace chip |