blob: 83767f9a0e1fb8ba6a20e835b6306ac5f28d399a [file] [log] [blame]
/*
*
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2019 Nest Labs, Inc.
*
* 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 ThreadStackManager object for
* EFR32 platforms using the Silicon Labs SDK and the OpenThread
* stack.
*
*/
/* this file behaves like a config.h, comes first */
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp>
#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
#include <platform/OpenThread/OpenThreadUtils.h>
#include <platform/ThreadStackManager.h>
#include <openthread/platform/entropy.h>
#include <lib/support/CHIPPlatformMemory.h>
namespace chip {
namespace DeviceLayer {
using namespace ::chip::DeviceLayer::Internal;
ThreadStackManagerImpl ThreadStackManagerImpl::sInstance;
CHIP_ERROR ThreadStackManagerImpl::_InitThreadStack(void)
{
return InitThreadStack(NULL);
}
CHIP_ERROR ThreadStackManagerImpl::InitThreadStack(otInstance * otInst)
{
CHIP_ERROR err = CHIP_NO_ERROR;
// Initialize the generic implementation base classes.
err = GenericThreadStackManagerImpl_FreeRTOS<ThreadStackManagerImpl>::DoInit();
SuccessOrExit(err);
err = GenericThreadStackManagerImpl_OpenThread<ThreadStackManagerImpl>::DoInit(otInst);
SuccessOrExit(err);
exit:
return err;
}
bool ThreadStackManagerImpl::IsInitialized()
{
return sInstance.mThreadStackLock != NULL;
}
} // namespace DeviceLayer
} // namespace chip
using namespace ::chip::DeviceLayer;
/**
* Glue function called directly by the OpenThread stack when tasklet processing work
* is pending.
*/
extern "C" void otTaskletsSignalPending(otInstance * p_instance)
{
ThreadStackMgrImpl().SignalThreadActivityPending();
}
/**
* Glue function called directly by the OpenThread stack when system event processing work
* is pending.
*/
extern "C" void otSysEventSignalPending(void)
{
BaseType_t yieldRequired = ThreadStackMgrImpl().SignalThreadActivityPendingFromISR();
portYIELD_FROM_ISR(yieldRequired);
}
extern "C" void * otPlatCAlloc(size_t aNum, size_t aSize)
{
return CHIPPlatformMemoryCalloc(aNum, aSize);
}
extern "C" void otPlatFree(void * aPtr)
{
CHIPPlatformMemoryFree(aPtr);
}
#ifndef SL_COMPONENT_CATALOG_PRESENT
extern "C" __WEAK void sl_openthread_init(void)
{
#error "This shouldn't compile"
// Place holder for enabling Silabs specific features available only through Simplicity Studio
}
#endif
/**
* @brief Openthread UART implementation for the CLI is conflicting
* with the UART implemented for Pigweed RPC as they use the same UART port
*
* We now only build the uart as implemented in
* connectedhomeip/examples/platform/efr32/uart.c
* and remap OT functions to use our uart api.
*
* For now OT CLI isn't usable when the examples are built with pw_rpc
*/
#ifndef PW_RPC_ENABLED
#include "uart.h"
#endif
extern "C" otError otPlatUartEnable(void)
{
#ifdef PW_RPC_ENABLED
return OT_ERROR_NOT_IMPLEMENTED;
#else
// Uart Init is handled in init_efrPlatform.cpp
return OT_ERROR_NONE;
#endif
}
#if CHIP_DEVICE_CONFIG_THREAD_ENABLE_CLI
extern "C" otError otPlatUartSend(const uint8_t * aBuf, uint16_t aBufLength)
{
#ifdef PW_RPC_ENABLED
return OT_ERROR_NOT_IMPLEMENTED;
#else
if (uartConsoleWrite((const char *) aBuf, aBufLength) > 0)
{
otPlatUartSendDone();
return OT_ERROR_NONE;
}
return OT_ERROR_FAILED;
#endif
}
extern "C" void efr32UartProcess(void)
{
#if !defined(PW_RPC_ENABLED) && !defined(ENABLE_CHIP_SHELL)
uint8_t tempBuf[128] = { 0 };
// will read the data available up to 128bytes
int16_t count = uartConsoleRead((char *) tempBuf, 128);
if (count > 0)
{
// ot process Received data for CLI cmds
otPlatUartReceived(tempBuf, count);
}
#endif
}
extern "C" __WEAK otError otPlatUartFlush(void)
{
return OT_ERROR_NOT_IMPLEMENTED;
}
extern "C" __WEAK otError otPlatUartDisable(void)
{
return OT_ERROR_NOT_IMPLEMENTED;
}
#endif // CHIP_DEVICE_CONFIG_THREAD_ENABLE_CLI