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/*
*
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2018 Nest Labs, Inc.
* All rights reserved.
*
* 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.
*/
/**
* @file
* Provides an implementation of the PlatformManager object
* for the ESP32 platform.
*/
/* this file behaves like a config.h, comes first */
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <app-common/zap-generated/enums.h>
#include <crypto/CHIPCryptoPAL.h>
#include <platform/ESP32/DiagnosticDataProviderImpl.h>
#include <platform/ESP32/ESP32Utils.h>
#include <platform/ESP32/SystemTimeSupport.h>
#include <platform/PlatformManager.h>
#include <platform/internal/GenericPlatformManagerImpl_FreeRTOS.ipp>
#include "esp_event.h"
#include "esp_heap_caps_init.h"
#include "esp_log.h"
#include "esp_netif.h"
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
#include "spi_flash_mmap.h"
#else
#include "esp_spi_flash.h"
#endif
#include "esp_system.h"
#include "esp_wifi.h"
namespace chip {
namespace DeviceLayer {
namespace Internal {
extern CHIP_ERROR InitLwIPCoreLock(void);
}
PlatformManagerImpl PlatformManagerImpl::sInstance;
static int app_entropy_source(void * data, unsigned char * output, size_t len, size_t * olen)
{
esp_fill_random(output, len);
*olen = len;
return 0;
}
CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
{
// Arrange for CHIP-encapsulated ESP32 errors to be translated to text
Internal::ESP32Utils::RegisterESP32ErrorFormatter();
// Make sure the LwIP core lock has been initialized
ReturnErrorOnFailure(Internal::InitLwIPCoreLock());
// Arrange for the ESP event loop to deliver events into the CHIP Device layer.
esp_err_t err = esp_event_handler_register(IP_EVENT, ESP_EVENT_ANY_ID, PlatformManagerImpl::HandleESPSystemEvent, NULL);
if (err != ESP_OK)
{
return Internal::ESP32Utils::MapError(err);
}
mStartTime = System::SystemClock().GetMonotonicTimestamp();
ReturnErrorOnFailure(chip::Crypto::add_entropy_source(app_entropy_source, NULL, 16));
// Call _InitChipStack() on the generic implementation base class
// to finish the initialization process.
ReturnErrorOnFailure(Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>::_InitChipStack());
ReturnErrorOnFailure(System::Clock::InitClock_RealTime());
return CHIP_NO_ERROR;
}
void PlatformManagerImpl::_Shutdown()
{
uint64_t upTime = 0;
if (GetDiagnosticDataProvider().GetUpTime(upTime) == CHIP_NO_ERROR)
{
uint32_t totalOperationalHours = 0;
if (ConfigurationMgr().GetTotalOperationalHours(totalOperationalHours) == CHIP_NO_ERROR)
{
ConfigurationMgr().StoreTotalOperationalHours(totalOperationalHours + static_cast<uint32_t>(upTime / 3600));
}
else
{
ChipLogError(DeviceLayer, "Failed to get total operational hours of the Node");
}
}
else
{
ChipLogError(DeviceLayer, "Failed to get current uptime since the Node’s last reboot");
}
Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>::_Shutdown();
esp_event_loop_delete_default();
}
void PlatformManagerImpl::HandleESPSystemEvent(void * arg, esp_event_base_t eventBase, int32_t eventId, void * eventData)
{
ChipDeviceEvent event;
memset(&event, 0, sizeof(event));
event.Type = DeviceEventType::kESPSystemEvent;
event.Platform.ESPSystemEvent.Base = eventBase;
event.Platform.ESPSystemEvent.Id = eventId;
if (eventBase == IP_EVENT)
{
switch (eventId)
{
case IP_EVENT_STA_GOT_IP:
memcpy(&event.Platform.ESPSystemEvent.Data.IpGotIp, eventData, sizeof(event.Platform.ESPSystemEvent.Data.IpGotIp));
break;
case IP_EVENT_GOT_IP6:
memcpy(&event.Platform.ESPSystemEvent.Data.IpGotIp6, eventData, sizeof(event.Platform.ESPSystemEvent.Data.IpGotIp6));
break;
case IP_EVENT_AP_STAIPASSIGNED:
memcpy(&event.Platform.ESPSystemEvent.Data.IpApStaIpAssigned, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.IpApStaIpAssigned));
break;
default:
break;
}
}
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
else if (eventBase == WIFI_EVENT)
{
switch (eventId)
{
case WIFI_EVENT_SCAN_DONE:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiStaScanDone, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiStaScanDone));
break;
case WIFI_EVENT_STA_CONNECTED:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiStaConnected, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiStaConnected));
break;
case WIFI_EVENT_STA_DISCONNECTED:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiStaDisconnected, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiStaDisconnected));
break;
case WIFI_EVENT_STA_AUTHMODE_CHANGE:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiStaAuthModeChange, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiStaAuthModeChange));
break;
case WIFI_EVENT_STA_WPS_ER_PIN:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiStaWpsErPin, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiStaWpsErPin));
break;
case WIFI_EVENT_STA_WPS_ER_FAILED:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiStaWpsErFailed, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiStaWpsErFailed));
break;
case WIFI_EVENT_AP_STACONNECTED:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiApStaConnected, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiApStaConnected));
break;
case WIFI_EVENT_AP_STADISCONNECTED:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiApStaDisconnected, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiApStaDisconnected));
break;
case WIFI_EVENT_AP_PROBEREQRECVED:
memcpy(&event.Platform.ESPSystemEvent.Data.WiFiApProbeReqRecved, eventData,
sizeof(event.Platform.ESPSystemEvent.Data.WiFiApProbeReqRecved));
break;
default:
break;
}
}
#endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI
sInstance.PostEventOrDie(&event);
}
} // namespace DeviceLayer
} // namespace chip