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/*
*
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2020 Texas Instruments Incorporated
*
* 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 Texas Instruments CC1352 platform.
*/
/* this file behaves like a config.h, comes first */
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <crypto/CHIPCryptoPAL.h>
#include <platform/PlatformManager.h>
#include <platform/cc13x2_26x2/DiagnosticDataProviderImpl.h>
#include <platform/internal/GenericPlatformManagerImpl_FreeRTOS.ipp>
#include <lwip/tcpip.h>
#include <openthread/platform/entropy.h>
#include <ti/drivers/TRNG.h>
#include <ti/drivers/cryptoutils/cryptokey/CryptoKeyPlaintext.h>
/* Include DMM module */
#include <dmm/dmm_policy.h>
#include <dmm/dmm_scheduler.h>
#include "ti_dmm_application_policy.h"
#include <dmm/dmm_priority_ble_thread.h>
TRNG_Handle TRNG_handle_app;
namespace chip {
namespace DeviceLayer {
PlatformManagerImpl PlatformManagerImpl::sInstance;
static int app_get_random(uint8_t * aOutput, size_t aLen)
{
int_fast16_t rtn;
CryptoKey entropyKey;
/*
* prepare the data buffer
*/
CryptoKeyPlaintext_initBlankKey(&entropyKey, aOutput, aLen);
/* get entropy */
rtn = TRNG_generateEntropy(TRNG_handle_app, &entropyKey);
if (rtn != TRNG_STATUS_SUCCESS)
{
while (true)
;
}
return 0;
}
static void app_random_init(void)
{
TRNG_Params TRNGParams;
/* Init the TRNG HW */
TRNG_init();
TRNG_Params_init(&TRNGParams);
/* use the polling mode */
TRNGParams.returnBehavior = TRNG_RETURN_BEHAVIOR_POLLING;
TRNG_handle_app = TRNG_open(CONFIG_TRNG_APP, &TRNGParams);
if (TRNG_handle_app == NULL)
{
while (true)
;
}
return;
}
static int app_entropy_source(void * data, unsigned char * output, size_t len, size_t * olen)
{
app_get_random(reinterpret_cast<uint8_t *>(output), static_cast<uint16_t>(len));
*olen = len;
return 0;
}
CHIP_ERROR PlatformManagerImpl::_InitChipStack(void)
{
CHIP_ERROR err;
// Initialize the configuration system.
err = Internal::CC13X2_26X2Config::Init();
SuccessOrExit(err);
// DMM Addition
DMMPolicy_Params dmmPolicyParams;
DMMSch_Params dmmSchedulerParams;
/* initialize and open the DMM policy manager */
DMMPolicy_init();
DMMPolicy_Params_init(&dmmPolicyParams);
dmmPolicyParams.numPolicyTableEntries = DMMPolicy_ApplicationPolicySize;
dmmPolicyParams.policyTable = DMMPolicy_ApplicationPolicyTable;
dmmPolicyParams.globalPriorityTable = globalPriorityTable_bleLthreadH;
DMMPolicy_open(&dmmPolicyParams);
/* initialize and open the DMM scheduler */
DMMSch_init();
DMMSch_Params_init(&dmmSchedulerParams);
// Copy stack roles and index table
memcpy(dmmSchedulerParams.stackRoles, DMMPolicy_ApplicationPolicyTable.stackRole,
sizeof(DMMPolicy_StackRole) * DMMPOLICY_NUM_STACKS);
dmmSchedulerParams.indexTable = DMMPolicy_ApplicationPolicyTable.indexTable;
DMMSch_open(&dmmSchedulerParams);
// Initialize LwIP.
tcpip_init(NULL, NULL);
app_random_init();
err = chip::Crypto::add_entropy_source(app_entropy_source, NULL, 16);
SuccessOrExit(err);
// Call _InitChipStack() on the generic implementation base class
// to finish the initialization process.
err = Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>::_InitChipStack();
SuccessOrExit(err);
exit:
return err;
}
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();
}
} // namespace DeviceLayer
} // namespace chip