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ESP32-Mesh-OTA
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splitted into several modules; include cleanup

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pull/2/head
Hendrik Schutter 2 years ago
parent 14028679e1
commit e4c620c9c5
17 changed files with 757 additions and 697 deletions
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2
components/mesh_ota/CMakeLists.txt
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@ -1,4 +1,4 @@
idf_component_register(SRCS "HTTPS_client.c" "Mesh_network_handler.c" "Mesh_network.c" "Mesh_OTA.c"
idf_component_register(SRCS "Mesh_OTA_Util.c" "Mesh_Network.c" "Mesh_Network_Handler.c" "HTTPS_Client.c" "Mesh_OTA_Partition_Access.c" "Mesh_OTA_Globals.c" "Mesh_OTA.c"
INCLUDE_DIRS "include"
REQUIRES nvs_flash
esp_http_client

2
components/mesh_ota/HTTPS_client.c → components/mesh_ota/HTTPS_Client.c
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@ -1,4 +1,4 @@
#include "HTTPS_client.h"
#include "HTTPS_Client.h"
static const char *TAG = "https_client";

2
components/mesh_ota/Mesh_network.c → components/mesh_ota/Mesh_Network.c
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@ -1,5 +1,5 @@
#include "Mesh_OTA.h"
#include "Mesh_Network.h"
static const char *LOG_TAG = "mesh_network";
static uint8_t tx_buf[CONFIG_MESH_MESSAGE_SIZE] = { 0, };

2
components/mesh_ota/Mesh_network_handler.c → components/mesh_ota/Mesh_Network_Handler.c
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@ -1,5 +1,5 @@
#include "Mesh_OTA.h"
#include "Mesh_Network.h"
static const char *LOG_TAG = "mesh_network_handler";

637
components/mesh_ota/Mesh_OTA.c
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@ -1,16 +1,10 @@
#include "Mesh_OTA.h"
#include "Mesh_OTA_Util.h"
#include "Mesh_OTA_Globals.h"
#include "Mesh_OTA_Access.h"
static const char *LOG_TAG = "mesh_ota";
xQueueHandle queueNodes; //nodes that should be checked for ota update (contains children and parent)
xQueueHandle queueMessageOTA; //mesh ota controll messages like "OTA_Version_Response" "OTA_ACK"
SemaphoreHandle_t bsStartStopServerWorker; //binary semaphore
SemaphoreHandle_t bsOTAProcess; //binary semaphore
const esp_partition_t* pOTAPartition; //pointer to ota partition
bool bWantReboot; //flag to signal pending reboot
esp_err_t errMeshOTAInitialize()
{
esp_err_t err = ESP_OK;
@ -105,75 +99,6 @@ esp_err_t errMeshOTAInitialize()
return err;
}
void vAddNodeToPossibleUpdatableQueue(uint8_t* pu8MAC)
{
//send payload to node queues
mesh_addr_t addrNode;
memcpy(&addrNode.addr, (uint8_t *)pu8MAC, 6); //copy MAC
if (xQueueSend(queueNodes, &addrNode, portMAX_DELAY) != pdPASS)
{
ESP_LOGE(LOG_TAG, "Unable to push node into node queue");
}
else
{
ESP_LOGI(LOG_TAG, "added node \"%x:%x:%x:%x:%x:%x\" to possible updatable queue", addrNode.addr[0], addrNode.addr[1], addrNode.addr[2], addrNode.addr[3], addrNode.addr[4], addrNode.addr[5]);
}
}
void vAddOtaMessageToQueue(MESH_PACKET_t* puMeshPacket)
{
//send ota packet to packet queue
if (xQueueSend(queueMessageOTA, puMeshPacket, portMAX_DELAY) != pdPASS)
{
ESP_LOGE(LOG_TAG, "Unable to push ota packet into packet queue");
}
else
{
switch (puMeshPacket->type)
{
case OTA_Abort:
ESP_LOGI(LOG_TAG, "added ota message to queue: OTA_Abort from 0x%x", puMeshPacket->meshSenderAddr.addr[5]);
break;
case OTA_Version_Request:
ESP_LOGI(LOG_TAG, "added ota message to queue: OTA_Version_Request from 0x%x", puMeshPacket->meshSenderAddr.addr[5]);
break;
case OTA_Version_Response:
ESP_LOGI(LOG_TAG, "added ota message to queue: OTA_Version Response from 0x%x", puMeshPacket->meshSenderAddr.addr[5]);
break;
default:
break;
}
}
}
void vChangeStateOfServerWorker(bool bState) //allow access via function ptn to networl_handler
{
static bool bLastState = false;
if(bState != bLastState) //change only if necessary
{
ESP_LOGI(LOG_TAG, "server worker change handler");
if(bState == true)
{
if (xSemaphoreGive(bsStartStopServerWorker) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to give mutex to activate the server worker");
}
}
else
{
if (xSemaphoreTake(bsStartStopServerWorker,( TickType_t ) 10 ) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to obtain mutex to deactivate the server worker");
}
}
bLastState = bState;
}
}
void vTaskServerWorker(void *arg)
{
esp_err_t err;
@ -272,84 +197,6 @@ void vTaskOTAWorker(void *arg)
}
}
esp_err_t errOTAHTTPS(bool* pbNewOTAImage)
{
esp_err_t err = ESP_OK;
char u8OTABuffer[OTA_HTTPS_SEGMENT_SIZE]; //store image segment from server before ota write
uint32_t u32BufferLenght = OTA_HTTPS_SEGMENT_SIZE; //size of buffer
uint32_t u32BytesRead = 0; //number of bytes that are read from server, <= u32BufferLenght
char pcRemoteVersionNumber[12]; //string for version number in server image
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
static esp_ota_handle_t otaHandle; //OTA process handle
uint32_t u32StartOffset = 0U; //start offset for image (exclude the http response data)
esp_app_desc_t bootPartitionDesc; //Metadate from boot partition
uint32_t u32OTABytesWritten = 0U; //counter unsed for progress log
ERROR_CHECK(errHTTPSClientRetrieveData(u8OTABuffer, &u32BufferLenght, &u32BytesRead)); //read first bytes if image, including the version
ERROR_CHECK(errExtractVersionNumber(u8OTABuffer, &u32BytesRead, pcRemoteVersionNumber)); //extract version numbers
if(err == ESP_OK) //check if version number is found
{
xSemaphoreTake(bsOTAProcess, portMAX_DELAY); //wait for binary semaphore that allows to start the OTA process
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
ERROR_CHECK(esp_ota_get_partition_description(pBootPartition, &bootPartitionDesc)); //get metadata of partition
if(bNewerVersion((bootPartitionDesc).version, pcRemoteVersionNumber)) //compare local and remote version
{
// server image is newer --> OTA update required
ESP_LOGI(LOG_TAG, "Server: image is newer --> OTA update required");
ERROR_CHECK(errFindImageStart(u8OTABuffer, &u32BufferLenght, &u32StartOffset)); //get image start offset
ERROR_CHECK(esp_ota_begin(pOTAPartition, OTA_SIZE_UNKNOWN, &otaHandle)); //start ota update process
if(err == ESP_OK)
{
//image download and ota partition write
ESP_LOGI(LOG_TAG, "start OTA download via HTTPS");
do
{
vPrintOTAProgress(&(pOTAPartition->size), &u32OTABytesWritten, Receiver);
ERROR_CHECK(esp_ota_write(otaHandle, (const void*) u8OTABuffer+u32StartOffset, (u32BytesRead-u32StartOffset)));
if(err == ESP_OK)
{
//write was succsesfull
u32StartOffset = 0U; //reset the offset for next download
ERROR_CHECK(errHTTPSClientRetrieveData(u8OTABuffer, &u32BufferLenght, &u32BytesRead)); //download next data segment
u32OTABytesWritten = u32OTABytesWritten + u32BytesRead; //update counter
}
}
while ((u32BytesRead > 0) && (err == ESP_OK) && (u32OTABytesWritten <= pOTAPartition->size)); //loop until error or complete image downloaded
}
if(err == ESP_OK)
{
//no error occurred --> finish ota update process
ERROR_CHECK(esp_ota_end(otaHandle)); //finish process
ERROR_CHECK(esp_ota_set_boot_partition(pOTAPartition)); //set new image as boot
if(err == ESP_OK)
{
*pbNewOTAImage = true; //image validated
}
}
else
{
//error occurred --> abort ota update process
ESP_LOGE(LOG_TAG, "abort ota process due to error 0x%x -> %s", err, esp_err_to_name(err));
ERROR_CHECK(esp_ota_abort(otaHandle));
*pbNewOTAImage = false; //ota update failed
}
}
else
{
ESP_LOGI(LOG_TAG, "server image is NOT newer --> OTA update NOT required");
}
xSemaphoreGive(bsOTAProcess); //free binary semaphore, this allows other tasks to start the OTA process
} //end version number extracted
return err;
}
esp_err_t errOTAMeshSlave(bool* pbNewOTAImage)
{
@ -476,481 +323,3 @@ esp_err_t errOTAMeshMaster(bool* pbNewOTAImage, mesh_addr_t* pMeshNodeAddr)
}
return err;
}
bool bNewerVersion(const char* pu8Local, const char* pu8Remote)
{
/*
* Return true if remote version is newer (higher) than local version
*/
char u8LocalTmp[12]; //local version
char u8RemoteTmp[12]; //remote version
char* pu8saveptrLocal; //context for strok_r
char* pu8saveptrRemote; //context for strok_r
bool bReturn = false; //flag to stop loop
uint8_t u8Index = 0; //numbers counter in version string
strncpy(u8LocalTmp, pu8Local, 12); //copy in tmp
strncpy(u8RemoteTmp, pu8Remote, 12); //copy in tmp
char* pu8TokenLocal = strtok_r(u8LocalTmp, ".", &pu8saveptrLocal); //split tokens
char* pu8TokenRemote = strtok_r(u8RemoteTmp, ".", &pu8saveptrRemote); //split tokens
while( (u8Index <= 2) && (bReturn == false)) //loop through tokens
{
u8Index++;
if(atoi(pu8TokenLocal) < atoi(pu8TokenRemote))
{
bReturn = true; //version number difference --> stop loop
}
pu8TokenLocal = strtok_r(NULL, ".", &pu8saveptrLocal); //split tokens
pu8TokenRemote = strtok_r(NULL, ".", &pu8saveptrRemote); //split tokens
}
return bReturn;
}
esp_err_t errFindImageStart(const char* pu8Data, uint32_t* pu32DataLenght, uint32_t* pu32StartOffset)
{
/*
Offset value
0 = 0xE9 (first byte in image --> magic byte)
48 = first digit of version number
*/
esp_err_t errReturn = ESP_OK;
bool bImageStartOffsetFound = false;
uint32_t u32DataIndex = 0;
uint32_t u32FirstDotOffset = 0;
uint32_t u32SecondDotOffset = 0;
uint8_t u8FirstDotIndex = 0;
uint8_t u8SecondDotIndex = 0;
*pu32StartOffset = 0U; //reset offset to zero
while((u32DataIndex < *pu32DataLenght) && (bImageStartOffsetFound == false))
{
//search for magic byte
if(pu8Data[u32DataIndex] == 0xe9)
{
//magic byte found
while ((u8FirstDotIndex < 3) && (u32FirstDotOffset == 0))
{
//search first dot in version number
if((u32DataIndex+49+u8FirstDotIndex) < *pu32DataLenght)
{
if((pu8Data[(u32DataIndex+49+u8FirstDotIndex)] == 0x2e))
{
//first dot found
u32FirstDotOffset = (u32DataIndex+49+u8FirstDotIndex);
}
}
u8FirstDotIndex++;
}
while ((u8SecondDotIndex < 3) && (u32SecondDotOffset == 0) && (u32FirstDotOffset != 0))
{
//search first dot in version number
if((u32FirstDotOffset+(u8SecondDotIndex+2)) < *pu32DataLenght)
{
if((pu8Data[(u32FirstDotOffset+(u8SecondDotIndex+2))] == 0x2e))
{
//second dot found
u32SecondDotOffset = (u32FirstDotOffset+(u8SecondDotIndex+2));
}
}
u8SecondDotIndex++;
}
if((u32FirstDotOffset != 0) && (u32SecondDotOffset != 0))
{
//image start found based on magic byte and version number systax
*pu32StartOffset = u32DataIndex; //store image start offset
bImageStartOffsetFound = true;
}
else
{
// this is propably not the magic byte --> reset
u32FirstDotOffset = 0;
u32SecondDotOffset = 0;
u8FirstDotIndex = 0;
u8SecondDotIndex = 0;
}
}
u32DataIndex++;
}
if(bImageStartOffsetFound == false)
{
errReturn = ESP_ERR_NOT_FOUND;
}
return errReturn;
}
esp_err_t errExtractVersionNumber(const char* pu8Data, uint32_t* pu32DataLenght, char* pc8RemoteVersionNumber)
{
uint32_t u32StartOffset;
esp_err_t err = ESP_OK;
strcpy(pc8RemoteVersionNumber, "999.999.999"); //init value
err = errFindImageStart(pu8Data, pu32DataLenght, &u32StartOffset); //get image start offset
if(err == ESP_OK)
{
//image found
strncpy(pc8RemoteVersionNumber, pu8Data+(u32StartOffset+48), 11); //copy version number
pc8RemoteVersionNumber[12] = '\0';
}
return err;
}
void vPrintOTAProgress(const uint32_t* const pu32TotalImageSize, const uint32_t* const pu32BytesWritten, OTA_MESH_ROLE_t eRole)
{
uint32_t u32Percentage = 0U;
static uint32_t u32LastPercentage = 0U;
if((*pu32BytesWritten) >= (*pu32TotalImageSize))
{
u32Percentage = 100;
}
else
{
u32Percentage = (uint32_t) (((float) (*pu32BytesWritten)/(float) (*pu32TotalImageSize)) * 100.0);
}
if((u32Percentage-u32LastPercentage) >= OTA_PROGRESS_LOG_INTERVAL)
{
if(eRole == Transmitter)
{
ESP_LOGI(LOG_TAG, "Transmitting OTA update: %i %%", u32Percentage);
}
if(eRole == Receiver)
{
ESP_LOGI(LOG_TAG, "Receiving OTA update: %i %%", u32Percentage);
}
u32LastPercentage = u32Percentage;
}
}
void vAddAllNeighboursToQueue(void)
{
esp_err_t err = ESP_OK;
mesh_addr_t addrParent; //addr of parent node
mesh_addr_t childrenAddr[CONFIG_MESH_ROUTE_TABLE_SIZE]; //array of children attached to this node
uint16_t u16ChildrenSize = 0U; //number of children attached to this node
err = errGetParentNode(&addrParent);
if(err == ESP_OK)
{
vAddNodeToPossibleUpdatableQueue(addrParent.addr);
ESP_LOGI(LOG_TAG, "added parent");
}
err = ESP_OK; //reset error code
ERROR_CHECK(errGetChildren(childrenAddr, &u16ChildrenSize)); //get all children
for (uint16_t u16Index = 0; ((u16Index < u16ChildrenSize) && (err == ESP_OK)); u16Index++)
{
vAddNodeToPossibleUpdatableQueue(childrenAddr[u16Index].addr);
ESP_LOGI(LOG_TAG, "added child");
}
}
esp_err_t errSendOTAVersionResponse(mesh_addr_t* pMeshReceiverAddr)
{
esp_err_t err = ESP_OK;
MESH_PACKET_t packet;
packet.type = OTA_Version_Response;
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
esp_app_desc_t bootPartitionDesc; //Metadata from boot partition
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
ERROR_CHECK(esp_ota_get_partition_description(pBootPartition, &bootPartitionDesc)); //get metadate of partition
memcpy(&packet.au8Payload, &bootPartitionDesc.version, 12); //copy local version to OTA_Version_Response packet
ESP_LOGI(LOG_TAG, "Send OTA_Version_Response to 0x%x", pMeshReceiverAddr->addr[5]);
err = errSendMeshPacket(pMeshReceiverAddr, &packet);
return err;
}
void vClearOtaMessageQueue(mesh_addr_t* pMeshNodeAddr)
{
MESH_PACKET_t sMeshPacket; //packet for sending and receiving
for (uint32_t u32Index = 0; (u32Index < QUEUE_MESSAGE_OTA_SIZE); u32Index++) //loop through all OTA messages
{
if (xQueueReceive(queueMessageOTA, &sMeshPacket, 0) == pdTRUE)
{
if(!(bCheckMACEquality(sMeshPacket.meshSenderAddr.addr, pMeshNodeAddr->addr)))
{
//received OTA message is NOT from pMeshNodeAddr --> keep it in queue
vAddOtaMessageToQueue(&sMeshPacket);
}
else
{
ESP_LOGI(LOG_TAG, "Removed type %i from node 0x%x", sMeshPacket.type, pMeshNodeAddr->addr[5]);
}
}
}//end OTA message loop
}
esp_err_t errSendOTAVersionRequest(mesh_addr_t* pMeshReceiverAddr)
{
esp_err_t err = ESP_OK;
MESH_PACKET_t packet;
packet.type = OTA_Version_Request;
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
esp_app_desc_t bootPartitionDesc; //Metadata from boot partition
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
ERROR_CHECK(esp_ota_get_partition_description(pBootPartition, &bootPartitionDesc)); //get metadate of partition
memcpy(&packet.au8Payload, &bootPartitionDesc.version, 12); //copy local version to OTA_Version_Request packet
err = errSendMeshPacket(pMeshReceiverAddr, &packet);
return err;
}
esp_err_t errOTAMeshTransmit(mesh_addr_t* pMeshNodeAddr)
{
esp_err_t err = ESP_OK;
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
MESH_PACKET_t sMeshPacket; //packet for sending and receiving
// uint32_t u32Index = 0U; //index for partition read offset
bool bAbort = false; //abort the OTA process
bool bNodeIsResponding = false; //remote node is still active
uint32_t u32OTABytesWritten = 0U;
uint32_t u32SegmentCounter = 0U;
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
//loop through partition to read in segmensts until end or error or abort called
while( ((OTA_MESH_SEGMENT_SIZE * u32SegmentCounter) < pBootPartition->size) && (err == ESP_OK) && (bAbort == false))
{
bNodeIsResponding = false; //reset to default
// read partition with offset based in index
ERROR_CHECK(esp_partition_read(pBootPartition, (OTA_MESH_SEGMENT_SIZE * u32SegmentCounter), sMeshPacket.au8Payload, OTA_MESH_SEGMENT_SIZE));
u32OTABytesWritten = ((u32SegmentCounter+1) * OTA_MESH_SEGMENT_SIZE);
vPrintOTAProgress(&(pBootPartition->size), &u32OTABytesWritten, Transmitter);
if(err == ESP_OK)
{
//no error while read --> send OTA_DATA packet
sMeshPacket.type = OTA_Data;
if((OTA_MESH_SEGMENT_SIZE * (u32SegmentCounter+1)) >= pBootPartition->size) //check if last segment
{
//last partition image segment --> send OTA_Complete
ESP_LOGI(LOG_TAG, "OTA-TX: last segment--> send Complete");
sMeshPacket.type = OTA_Complete;
}
//ESP_LOGI(LOG_TAG, "OTA-TX: send packet");
err = errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
else
{
// error while read --> send OTA_ABORT and abort this OTA process
sMeshPacket.type = OTA_Abort;
bAbort = true;
ESP_LOGI(LOG_TAG, "OTA-TX: error while read --> send ABORT");
errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
// loop through all OTA messages or until abort is called or error
for (uint32_t u32Index = 0; ((u32Index < QUEUE_MESSAGE_OTA_SIZE) && (bAbort == false) && (err == ESP_OK)); u32Index++) //loop through all OTA messages
{
// if(uxQueueSpacesAvailable(queueMessageOTA) < QUEUE_MESSAGE_OTA_SIZE)
// {
//queue not empty
if (xQueueReceive(queueMessageOTA, &sMeshPacket, ((OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS)) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to receive OTA Messages from queue");
err = ESP_FAIL;
}
if((err == ESP_OK) && (bCheckMACEquality(sMeshPacket.meshSenderAddr.addr, pMeshNodeAddr->addr))) //if OTA_Version_Request
{
//packet from node received
switch (sMeshPacket.type)
{
case OTA_ACK: //increase index for next round
u32Index++;
bNodeIsResponding = true;
u32Index = QUEUE_MESSAGE_OTA_SIZE;//this will end the loop through all OTA messages
break;
case OTA_Abort: //abort this OTA process
bAbort = true;
bNodeIsResponding = true;
break;
default:
//receives wrong OTA message type from node --> back to queue
//vAddOtaMessageToQueue(&sMeshPacket);
break;
}
}
else if (err == ESP_OK)
{
//received from wrong node --> back to queue
vAddOtaMessageToQueue(&sMeshPacket);
}
/*
}
else
{
// OTA Message queue is empty --> wait some time
ESP_LOGI(LOG_TAG, "OTA-TX: ota message queue empty --> wait");
vTaskDelay( (OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS);
}
*/
}//end OTA message loop
if(bNodeIsResponding == false)
{
//no abort was called but node didn’t responded
ESP_LOGE(LOG_TAG, "OTA-TX: no abort was called but node didn’t responded --> error");
bAbort = true;
err = ESP_FAIL; //this OTA process failed with error
}
u32SegmentCounter++;
}//end of partition segment loop
vClearOtaMessageQueue(pMeshNodeAddr);
return err;
}
esp_err_t errOTAMeshReceive(bool* pbNewOTAImage, mesh_addr_t* pMeshNodeAddr)
{
esp_err_t err = ESP_OK;
MESH_PACKET_t sMeshPacket; //packet for sending and receiving
bool bComplete = false; //complete the OTA process
bool bAbort = false; //abort the OTA process
bool bNodeIsResponding = false; //remote node is still active
uint32_t u32OTABytesWritten = 0U; //counter unsed for progress log
static esp_ota_handle_t otaHandle; //OTA process handle
*pbNewOTAImage = false;
uint32_t u32SegmentCounter = 0U;
ERROR_CHECK(esp_ota_begin(pOTAPartition, OTA_SIZE_UNKNOWN, &otaHandle)); //start ota update process
//partition segement loop through partition to read in segmensts until end or error or abort called
while((bComplete == false) && (err == ESP_OK) && (bAbort == false) && (u32OTABytesWritten <= pOTAPartition->size))
{
bNodeIsResponding = false; //reset to default
// loop through all OTA messages or until abort is called
for (uint32_t u32Index = 0; ((u32Index < QUEUE_MESSAGE_OTA_SIZE) && (bAbort == false)); u32Index++) //loop through all OTA messages
{
//if(uxQueueSpacesAvailable(queueMessageOTA) < QUEUE_MESSAGE_OTA_SIZE)
// {
//queue not empty
if (xQueueReceive(queueMessageOTA, &sMeshPacket, ((OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS)) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to receive OTA Messages from queue");
err = ESP_FAIL;
}
if((err == ESP_OK) && (bCheckMACEquality(sMeshPacket.meshSenderAddr.addr, pMeshNodeAddr->addr))) //if OTA_Version_Request
{
//packet from node received
switch (sMeshPacket.type)
{
case OTA_Complete: //signal end of this OTA process, fall through because same behavior as OTA_Data
bComplete = true;
ESP_LOGI(LOG_TAG, "OTA-RX: rec Complete --> last segment");
//fall through
case OTA_Data: //data segement received
bNodeIsResponding = true;
ERROR_CHECK(esp_ota_write(otaHandle, sMeshPacket.au8Payload, OTA_MESH_SEGMENT_SIZE));
u32OTABytesWritten = ((u32SegmentCounter+1) * OTA_MESH_SEGMENT_SIZE);
vPrintOTAProgress(&(pOTAPartition->size), &u32OTABytesWritten, Receiver);
u32Index = QUEUE_MESSAGE_OTA_SIZE; //this will end the loop through all OTA messages
break;
case OTA_Abort: //abort this OTA process
bAbort = true;
bNodeIsResponding = true;
ESP_LOGI(LOG_TAG, "OTA-RX: rec Abort");
//this will end the loop through all OTA messages
break;
default:
//receives wrong OTA message type from node --> back to queue
//vAddOtaMessageToQueue(&sMeshPacket);
break;
}
}
else if (err == ESP_OK)
{
//received from wrong node --> back to queue
vAddOtaMessageToQueue(&sMeshPacket);
}
/* }
else
{
ESP_LOGI(LOG_TAG, "OTA-RX: ota message queue empty --> wait");
// OTA Message queue is empty --> wait some time
vTaskDelay( (OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS);
}
*/
}//end of OTA message loop
if(bNodeIsResponding == false)
{
//no abort was called but node didn’t responded --> error
ESP_LOGI(LOG_TAG, "OTA-RX: no abort was called but node didn’t responded --> error");
bAbort = true; //this will stop the partition segement loop
err = ESP_FAIL; //this OTA process failed with error
}
else
{
//node has responded with OTA_DATA or OTA_Complete or OTA_ABORT
if(err == ESP_OK)
{
if(bAbort == false)
{
//no error while ota write --> send OTA_ACK packet
//ESP_LOGI(LOG_TAG, "OTA-RX: no error while ota write --> send OTA_ACK packet");
sMeshPacket.type = OTA_ACK;
err = errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
}
else
{
// error while read --> send OTA_ABORT and abort this OTA process
sMeshPacket.type = OTA_Abort;
bAbort = true;
ESP_LOGI(LOG_TAG, "OTA-RX: abort --> send ABORT");
errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
}
u32SegmentCounter++;
}//end of partition segement loop
if(bComplete == true)
{
//all OTA segments received --> validate
ESP_LOGI(LOG_TAG, "OTA-RX: validate image ");
ERROR_CHECK(esp_ota_end(otaHandle));
ERROR_CHECK(esp_ota_set_boot_partition(pOTAPartition));
if(err == ESP_OK)
{
//successfully updated OTA partition
*pbNewOTAImage = true;
}
}
else
{
//not all OTA segments received --> abort this OTA process
ERROR_CHECK(esp_ota_abort(otaHandle));
}
vClearOtaMessageQueue(pMeshNodeAddr);
return err;
}

10
components/mesh_ota/Mesh_OTA_Globals.c
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#include "Mesh_OTA_Globals.h"
xQueueHandle queueNodes; //nodes that should be checked for ota update (contains children and parent)
xQueueHandle queueMessageOTA; //mesh ota controll messages like "OTA_Version_Response" "OTA_ACK"
SemaphoreHandle_t bsStartStopServerWorker; //binary semaphore
SemaphoreHandle_t bsOTAProcess; //binary semaphore
const esp_partition_t* pOTAPartition; //pointer to ota partition
bool bWantReboot; //flag to signal pending reboot

323
components/mesh_ota/Mesh_OTA_Partition_Access.c
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#include "Mesh_OTA.h"
#include "Mesh_OTA_Util.h"
#include "Mesh_OTA_Globals.h"
#include "Mesh_OTA_Access.h"
static const char *LOG_TAG = "mesh_ota_access";
esp_err_t errOTAMeshTransmit(mesh_addr_t* pMeshNodeAddr)
{
esp_err_t err = ESP_OK;
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
MESH_PACKET_t sMeshPacket; //packet for sending and receiving
// uint32_t u32Index = 0U; //index for partition read offset
bool bAbort = false; //abort the OTA process
bool bNodeIsResponding = false; //remote node is still active
uint32_t u32OTABytesWritten = 0U;
uint32_t u32SegmentCounter = 0U;
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
//loop through partition to read in segmensts until end or error or abort called
while( ((OTA_MESH_SEGMENT_SIZE * u32SegmentCounter) < pBootPartition->size) && (err == ESP_OK) && (bAbort == false))
{
bNodeIsResponding = false; //reset to default
// read partition with offset based in index
ERROR_CHECK(esp_partition_read(pBootPartition, (OTA_MESH_SEGMENT_SIZE * u32SegmentCounter), sMeshPacket.au8Payload, OTA_MESH_SEGMENT_SIZE));
u32OTABytesWritten = ((u32SegmentCounter+1) * OTA_MESH_SEGMENT_SIZE);
vPrintOTAProgress(&(pBootPartition->size), &u32OTABytesWritten, Transmitter);
if(err == ESP_OK)
{
//no error while read --> send OTA_DATA packet
sMeshPacket.type = OTA_Data;
if((OTA_MESH_SEGMENT_SIZE * (u32SegmentCounter+1)) >= pBootPartition->size) //check if last segment
{
//last partition image segment --> send OTA_Complete
ESP_LOGI(LOG_TAG, "OTA-TX: last segment--> send Complete");
sMeshPacket.type = OTA_Complete;
}
//ESP_LOGI(LOG_TAG, "OTA-TX: send packet");
err = errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
else
{
// error while read --> send OTA_ABORT and abort this OTA process
sMeshPacket.type = OTA_Abort;
bAbort = true;
ESP_LOGI(LOG_TAG, "OTA-TX: error while read --> send ABORT");
errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
// loop through all OTA messages or until abort is called or error
for (uint32_t u32Index = 0; ((u32Index < QUEUE_MESSAGE_OTA_SIZE) && (bAbort == false) && (err == ESP_OK)); u32Index++) //loop through all OTA messages
{
// if(uxQueueSpacesAvailable(queueMessageOTA) < QUEUE_MESSAGE_OTA_SIZE)
// {
//queue not empty
if (xQueueReceive(queueMessageOTA, &sMeshPacket, ((OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS)) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to receive OTA Messages from queue");
err = ESP_FAIL;
}
if((err == ESP_OK) && (bCheckMACEquality(sMeshPacket.meshSenderAddr.addr, pMeshNodeAddr->addr))) //if OTA_Version_Request
{
//packet from node received
switch (sMeshPacket.type)
{
case OTA_ACK: //increase index for next round
u32Index++;
bNodeIsResponding = true;
u32Index = QUEUE_MESSAGE_OTA_SIZE;//this will end the loop through all OTA messages
break;
case OTA_Abort: //abort this OTA process
bAbort = true;
bNodeIsResponding = true;
break;
default:
//receives wrong OTA message type from node --> back to queue
//vAddOtaMessageToQueue(&sMeshPacket);
break;
}
}
else if (err == ESP_OK)
{
//received from wrong node --> back to queue
vAddOtaMessageToQueue(&sMeshPacket);
}
/*
}
else
{
// OTA Message queue is empty --> wait some time
ESP_LOGI(LOG_TAG, "OTA-TX: ota message queue empty --> wait");
vTaskDelay( (OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS);
}
*/
}//end OTA message loop
if(bNodeIsResponding == false)
{
//no abort was called but node didn’t responded
ESP_LOGE(LOG_TAG, "OTA-TX: no abort was called but node didn’t responded --> error");
bAbort = true;
err = ESP_FAIL; //this OTA process failed with error
}
u32SegmentCounter++;
}//end of partition segment loop
vClearOtaMessageQueue(pMeshNodeAddr);
return err;
}
esp_err_t errOTAMeshReceive(bool* pbNewOTAImage, mesh_addr_t* pMeshNodeAddr)
{
esp_err_t err = ESP_OK;
MESH_PACKET_t sMeshPacket; //packet for sending and receiving
bool bComplete = false; //complete the OTA process
bool bAbort = false; //abort the OTA process
bool bNodeIsResponding = false; //remote node is still active
uint32_t u32OTABytesWritten = 0U; //counter unsed for progress log
static esp_ota_handle_t otaHandle; //OTA process handle
*pbNewOTAImage = false;
uint32_t u32SegmentCounter = 0U;
ERROR_CHECK(esp_ota_begin(pOTAPartition, OTA_SIZE_UNKNOWN, &otaHandle)); //start ota update process
//partition segement loop through partition to read in segmensts until end or error or abort called
while((bComplete == false) && (err == ESP_OK) && (bAbort == false) && (u32OTABytesWritten <= pOTAPartition->size))
{
bNodeIsResponding = false; //reset to default
// loop through all OTA messages or until abort is called
for (uint32_t u32Index = 0; ((u32Index < QUEUE_MESSAGE_OTA_SIZE) && (bAbort == false)); u32Index++) //loop through all OTA messages
{
//if(uxQueueSpacesAvailable(queueMessageOTA) < QUEUE_MESSAGE_OTA_SIZE)
// {
//queue not empty
if (xQueueReceive(queueMessageOTA, &sMeshPacket, ((OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS)) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to receive OTA Messages from queue");
err = ESP_FAIL;
}
if((err == ESP_OK) && (bCheckMACEquality(sMeshPacket.meshSenderAddr.addr, pMeshNodeAddr->addr))) //if OTA_Version_Request
{
//packet from node received
switch (sMeshPacket.type)
{
case OTA_Complete: //signal end of this OTA process, fall through because same behavior as OTA_Data
bComplete = true;
ESP_LOGI(LOG_TAG, "OTA-RX: rec Complete --> last segment");
//fall through
case OTA_Data: //data segement received
bNodeIsResponding = true;
ERROR_CHECK(esp_ota_write(otaHandle, sMeshPacket.au8Payload, OTA_MESH_SEGMENT_SIZE));
u32OTABytesWritten = ((u32SegmentCounter+1) * OTA_MESH_SEGMENT_SIZE);
vPrintOTAProgress(&(pOTAPartition->size), &u32OTABytesWritten, Receiver);
u32Index = QUEUE_MESSAGE_OTA_SIZE; //this will end the loop through all OTA messages
break;
case OTA_Abort: //abort this OTA process
bAbort = true;
bNodeIsResponding = true;
ESP_LOGI(LOG_TAG, "OTA-RX: rec Abort");
//this will end the loop through all OTA messages
break;
default:
//receives wrong OTA message type from node --> back to queue
//vAddOtaMessageToQueue(&sMeshPacket);
break;
}
}
else if (err == ESP_OK)
{
//received from wrong node --> back to queue
vAddOtaMessageToQueue(&sMeshPacket);
}
/* }
else
{
ESP_LOGI(LOG_TAG, "OTA-RX: ota message queue empty --> wait");
// OTA Message queue is empty --> wait some time
vTaskDelay( (OTA_MESH_TIMEOUT) / portTICK_PERIOD_MS);
}
*/
}//end of OTA message loop
if(bNodeIsResponding == false)
{
//no abort was called but node didn’t responded --> error
ESP_LOGI(LOG_TAG, "OTA-RX: no abort was called but node didn’t responded --> error");
bAbort = true; //this will stop the partition segement loop
err = ESP_FAIL; //this OTA process failed with error
}
else
{
//node has responded with OTA_DATA or OTA_Complete or OTA_ABORT
if(err == ESP_OK)
{
if(bAbort == false)
{
//no error while ota write --> send OTA_ACK packet
//ESP_LOGI(LOG_TAG, "OTA-RX: no error while ota write --> send OTA_ACK packet");
sMeshPacket.type = OTA_ACK;
err = errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
}
else
{
// error while read --> send OTA_ABORT and abort this OTA process
sMeshPacket.type = OTA_Abort;
bAbort = true;
ESP_LOGI(LOG_TAG, "OTA-RX: abort --> send ABORT");
errSendMeshPacket(pMeshNodeAddr, &sMeshPacket);
}
}
u32SegmentCounter++;
}//end of partition segement loop
if(bComplete == true)
{
//all OTA segments received --> validate
ESP_LOGI(LOG_TAG, "OTA-RX: validate image ");
ERROR_CHECK(esp_ota_end(otaHandle));
ERROR_CHECK(esp_ota_set_boot_partition(pOTAPartition));
if(err == ESP_OK)
{
//successfully updated OTA partition
*pbNewOTAImage = true;
}
}
else
{
//not all OTA segments received --> abort this OTA process
ERROR_CHECK(esp_ota_abort(otaHandle));
}
vClearOtaMessageQueue(pMeshNodeAddr);
return err;
}
esp_err_t errOTAHTTPS(bool* pbNewOTAImage)
{
esp_err_t err = ESP_OK;
char u8OTABuffer[OTA_HTTPS_SEGMENT_SIZE]; //store image segment from server before ota write
uint32_t u32BufferLenght = OTA_HTTPS_SEGMENT_SIZE; //size of buffer
uint32_t u32BytesRead = 0; //number of bytes that are read from server, <= u32BufferLenght
char pcRemoteVersionNumber[12]; //string for version number in server image
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
static esp_ota_handle_t otaHandle; //OTA process handle
uint32_t u32StartOffset = 0U; //start offset for image (exclude the http response data)
esp_app_desc_t bootPartitionDesc; //Metadate from boot partition
uint32_t u32OTABytesWritten = 0U; //counter unsed for progress log
ERROR_CHECK(errHTTPSClientRetrieveData(u8OTABuffer, &u32BufferLenght, &u32BytesRead)); //read first bytes if image, including the version
ERROR_CHECK(errExtractVersionNumber(u8OTABuffer, &u32BytesRead, pcRemoteVersionNumber)); //extract version numbers
if(err == ESP_OK) //check if version number is found
{
xSemaphoreTake(bsOTAProcess, portMAX_DELAY); //wait for binary semaphore that allows to start the OTA process
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
ERROR_CHECK(esp_ota_get_partition_description(pBootPartition, &bootPartitionDesc)); //get metadata of partition
if(bNewerVersion((bootPartitionDesc).version, pcRemoteVersionNumber)) //compare local and remote version
{
// server image is newer --> OTA update required
ESP_LOGI(LOG_TAG, "Server: image is newer --> OTA update required");
ERROR_CHECK(errFindImageStart(u8OTABuffer, &u32BufferLenght, &u32StartOffset)); //get image start offset
ERROR_CHECK(esp_ota_begin(pOTAPartition, OTA_SIZE_UNKNOWN, &otaHandle)); //start ota update process
if(err == ESP_OK)
{
//image download and ota partition write
ESP_LOGI(LOG_TAG, "start OTA download via HTTPS");
do
{
vPrintOTAProgress(&(pOTAPartition->size), &u32OTABytesWritten, Receiver);
ERROR_CHECK(esp_ota_write(otaHandle, (const void*) u8OTABuffer+u32StartOffset, (u32BytesRead-u32StartOffset)));
if(err == ESP_OK)
{
//write was succsesfull
u32StartOffset = 0U; //reset the offset for next download
ERROR_CHECK(errHTTPSClientRetrieveData(u8OTABuffer, &u32BufferLenght, &u32BytesRead)); //download next data segment
u32OTABytesWritten = u32OTABytesWritten + u32BytesRead; //update counter
}
}
while ((u32BytesRead > 0) && (err == ESP_OK) && (u32OTABytesWritten <= pOTAPartition->size)); //loop until error or complete image downloaded
}
if(err == ESP_OK)
{
//no error occurred --> finish ota update process
ERROR_CHECK(esp_ota_end(otaHandle)); //finish process
ERROR_CHECK(esp_ota_set_boot_partition(pOTAPartition)); //set new image as boot
if(err == ESP_OK)
{
*pbNewOTAImage = true; //image validated
}
}
else
{
//error occurred --> abort ota update process
ESP_LOGE(LOG_TAG, "abort ota process due to error 0x%x -> %s", err, esp_err_to_name(err));
ERROR_CHECK(esp_ota_abort(otaHandle));
*pbNewOTAImage = false; //ota update failed
}
}
else
{
ESP_LOGI(LOG_TAG, "server image is NOT newer --> OTA update NOT required");
}
xSemaphoreGive(bsOTAProcess); //free binary semaphore, this allows other tasks to start the OTA process
} //end version number extracted
return err;
}

314
components/mesh_ota/Mesh_OTA_Util.c
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#include "Mesh_OTA_Util.h"
#include "Mesh_OTA_Globals.h"
static const char *LOG_TAG = "mesh_ota";
void vAddNodeToPossibleUpdatableQueue(uint8_t* pu8MAC)
{
//send payload to node queues
mesh_addr_t addrNode;
memcpy(&addrNode.addr, (uint8_t *)pu8MAC, 6); //copy MAC
if (xQueueSend(queueNodes, &addrNode, portMAX_DELAY) != pdPASS)
{
ESP_LOGE(LOG_TAG, "Unable to push node into node queue");
}
else
{
ESP_LOGI(LOG_TAG, "added node \"%x:%x:%x:%x:%x:%x\" to possible updatable queue", addrNode.addr[0], addrNode.addr[1], addrNode.addr[2], addrNode.addr[3], addrNode.addr[4], addrNode.addr[5]);
}
}
void vAddOtaMessageToQueue(MESH_PACKET_t* puMeshPacket)
{
//send ota packet to packet queue
if (xQueueSend(queueMessageOTA, puMeshPacket, portMAX_DELAY) != pdPASS)
{
ESP_LOGE(LOG_TAG, "Unable to push ota packet into packet queue");
}
else
{
switch (puMeshPacket->type)
{
case OTA_Abort:
ESP_LOGI(LOG_TAG, "added ota message to queue: OTA_Abort from 0x%x", puMeshPacket->meshSenderAddr.addr[5]);
break;
case OTA_Version_Request:
ESP_LOGI(LOG_TAG, "added ota message to queue: OTA_Version_Request from 0x%x", puMeshPacket->meshSenderAddr.addr[5]);
break;
case OTA_Version_Response:
ESP_LOGI(LOG_TAG, "added ota message to queue: OTA_Version Response from 0x%x", puMeshPacket->meshSenderAddr.addr[5]);
break;
default:
break;
}
}
}
void vChangeStateOfServerWorker(bool bState) //allow access via function ptn to networl_handler
{
static bool bLastState = false;
if(bState != bLastState) //change only if necessary
{
ESP_LOGI(LOG_TAG, "server worker change handler");
if(bState == true)
{
if (xSemaphoreGive(bsStartStopServerWorker) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to give mutex to activate the server worker");
}
}
else
{
if (xSemaphoreTake(bsStartStopServerWorker,( TickType_t ) 10 ) != pdTRUE)
{
ESP_LOGE(LOG_TAG, "Unable to obtain mutex to deactivate the server worker");
}
}
bLastState = bState;
}
}
bool bNewerVersion(const char* pu8Local, const char* pu8Remote)
{
/*
* Return true if remote version is newer (higher) than local version
*/
char u8LocalTmp[12]; //local version
char u8RemoteTmp[12]; //remote version
char* pu8saveptrLocal; //context for strok_r
char* pu8saveptrRemote; //context for strok_r
bool bReturn = false; //flag to stop loop
uint8_t u8Index = 0; //numbers counter in version string
strncpy(u8LocalTmp, pu8Local, 12); //copy in tmp
strncpy(u8RemoteTmp, pu8Remote, 12); //copy in tmp
char* pu8TokenLocal = strtok_r(u8LocalTmp, ".", &pu8saveptrLocal); //split tokens
char* pu8TokenRemote = strtok_r(u8RemoteTmp, ".", &pu8saveptrRemote); //split tokens
while( (u8Index <= 2) && (bReturn == false)) //loop through tokens
{
u8Index++;
if(atoi(pu8TokenLocal) < atoi(pu8TokenRemote))
{
bReturn = true; //version number difference --> stop loop
}
pu8TokenLocal = strtok_r(NULL, ".", &pu8saveptrLocal); //split tokens
pu8TokenRemote = strtok_r(NULL, ".", &pu8saveptrRemote); //split tokens
}
return bReturn;
}
esp_err_t errFindImageStart(const char* pu8Data, uint32_t* pu32DataLenght, uint32_t* pu32StartOffset)
{
/*
Offset value
0 = 0xE9 (first byte in image --> magic byte)
48 = first digit of version number
*/
esp_err_t errReturn = ESP_OK;
bool bImageStartOffsetFound = false;
uint32_t u32DataIndex = 0;
uint32_t u32FirstDotOffset = 0;
uint32_t u32SecondDotOffset = 0;
uint8_t u8FirstDotIndex = 0;
uint8_t u8SecondDotIndex = 0;
*pu32StartOffset = 0U; //reset offset to zero
while((u32DataIndex < *pu32DataLenght) && (bImageStartOffsetFound == false))
{
//search for magic byte
if(pu8Data[u32DataIndex] == 0xe9)
{
//magic byte found
while ((u8FirstDotIndex < 3) && (u32FirstDotOffset == 0))
{
//search first dot in version number
if((u32DataIndex+49+u8FirstDotIndex) < *pu32DataLenght)
{
if((pu8Data[(u32DataIndex+49+u8FirstDotIndex)] == 0x2e))
{
//first dot found
u32FirstDotOffset = (u32DataIndex+49+u8FirstDotIndex);
}
}
u8FirstDotIndex++;
}
while ((u8SecondDotIndex < 3) && (u32SecondDotOffset == 0) && (u32FirstDotOffset != 0))
{
//search first dot in version number
if((u32FirstDotOffset+(u8SecondDotIndex+2)) < *pu32DataLenght)
{
if((pu8Data[(u32FirstDotOffset+(u8SecondDotIndex+2))] == 0x2e))
{
//second dot found
u32SecondDotOffset = (u32FirstDotOffset+(u8SecondDotIndex+2));
}
}
u8SecondDotIndex++;
}
if((u32FirstDotOffset != 0) && (u32SecondDotOffset != 0))
{
//image start found based on magic byte and version number systax
*pu32StartOffset = u32DataIndex; //store image start offset
bImageStartOffsetFound = true;
}
else
{
// this is propably not the magic byte --> reset
u32FirstDotOffset = 0;
u32SecondDotOffset = 0;
u8FirstDotIndex = 0;
u8SecondDotIndex = 0;
}
}
u32DataIndex++;
}
if(bImageStartOffsetFound == false)
{
errReturn = ESP_ERR_NOT_FOUND;
}
return errReturn;
}
esp_err_t errExtractVersionNumber(const char* pu8Data, uint32_t* pu32DataLenght, char* pc8RemoteVersionNumber)
{
uint32_t u32StartOffset;
esp_err_t err = ESP_OK;
strcpy(pc8RemoteVersionNumber, "999.999.999"); //init value
err = errFindImageStart(pu8Data, pu32DataLenght, &u32StartOffset); //get image start offset
if(err == ESP_OK)
{
//image found
strncpy(pc8RemoteVersionNumber, pu8Data+(u32StartOffset+48), 11); //copy version number
pc8RemoteVersionNumber[12] = '\0';
}
return err;
}
void vPrintOTAProgress(const uint32_t* const pu32TotalImageSize, const uint32_t* const pu32BytesWritten, OTA_MESH_ROLE_t eRole)
{
uint32_t u32Percentage = 0U;
static uint32_t u32LastPercentage = 0U;
if((*pu32BytesWritten) >= (*pu32TotalImageSize))
{
u32Percentage = 100;
}
else
{
u32Percentage = (uint32_t) (((float) (*pu32BytesWritten)/(float) (*pu32TotalImageSize)) * 100.0);
}
if((u32Percentage-u32LastPercentage) >= OTA_PROGRESS_LOG_INTERVAL)
{
if(eRole == Transmitter)
{
ESP_LOGI(LOG_TAG, "Transmitting OTA update: %i %%", u32Percentage);
}
if(eRole == Receiver)
{
ESP_LOGI(LOG_TAG, "Receiving OTA update: %i %%", u32Percentage);
}
u32LastPercentage = u32Percentage;
}
}
void vAddAllNeighboursToQueue(void)
{
esp_err_t err = ESP_OK;
mesh_addr_t addrParent; //addr of parent node
mesh_addr_t childrenAddr[CONFIG_MESH_ROUTE_TABLE_SIZE]; //array of children attached to this node
uint16_t u16ChildrenSize = 0U; //number of children attached to this node
err = errGetParentNode(&addrParent);
if(err == ESP_OK)
{
vAddNodeToPossibleUpdatableQueue(addrParent.addr);
ESP_LOGI(LOG_TAG, "added parent");
}
err = ESP_OK; //reset error code
ERROR_CHECK(errGetChildren(childrenAddr, &u16ChildrenSize)); //get all children
for (uint16_t u16Index = 0; ((u16Index < u16ChildrenSize) && (err == ESP_OK)); u16Index++)
{
vAddNodeToPossibleUpdatableQueue(childrenAddr[u16Index].addr);
ESP_LOGI(LOG_TAG, "added child");
}
}
esp_err_t errSendOTAVersionResponse(mesh_addr_t* pMeshReceiverAddr)
{
esp_err_t err = ESP_OK;
MESH_PACKET_t packet;
packet.type = OTA_Version_Response;
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
esp_app_desc_t bootPartitionDesc; //Metadata from boot partition
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
ERROR_CHECK(esp_ota_get_partition_description(pBootPartition, &bootPartitionDesc)); //get metadate of partition
memcpy(&packet.au8Payload, &bootPartitionDesc.version, 12); //copy local version to OTA_Version_Response packet
ESP_LOGI(LOG_TAG, "Send OTA_Version_Response to 0x%x", pMeshReceiverAddr->addr[5]);
err = errSendMeshPacket(pMeshReceiverAddr, &packet);
return err;
}
void vClearOtaMessageQueue(mesh_addr_t* pMeshNodeAddr)
{
MESH_PACKET_t sMeshPacket; //packet for sending and receiving
for (uint32_t u32Index = 0; (u32Index < QUEUE_MESSAGE_OTA_SIZE); u32Index++) //loop through all OTA messages
{
if (xQueueReceive(queueMessageOTA, &sMeshPacket, 0) == pdTRUE)
{
if(!(bCheckMACEquality(sMeshPacket.meshSenderAddr.addr, pMeshNodeAddr->addr)))
{
//received OTA message is NOT from pMeshNodeAddr --> keep it in queue
vAddOtaMessageToQueue(&sMeshPacket);
}
else
{
ESP_LOGI(LOG_TAG, "Removed type %i from node 0x%x", sMeshPacket.type, pMeshNodeAddr->addr[5]);
}
}
}//end OTA message loop
}
esp_err_t errSendOTAVersionRequest(mesh_addr_t* pMeshReceiverAddr)
{
esp_err_t err = ESP_OK;
MESH_PACKET_t packet;
packet.type = OTA_Version_Request;
const esp_partition_t* pBootPartition; //pointer to boot partition (that will booted after reset)
esp_app_desc_t bootPartitionDesc; //Metadata from boot partition
pBootPartition = esp_ota_get_boot_partition(); //get boot partition (that will booted after reset), not the running partition
ERROR_CHECK(esp_ota_get_partition_description(pBootPartition, &bootPartitionDesc)); //get metadate of partition
memcpy(&packet.au8Payload, &bootPartitionDesc.version, 12); //copy local version to OTA_Version_Request packet
err = errSendMeshPacket(pMeshReceiverAddr, &packet);
return err;
}

9
components/mesh_ota/include/HTTPS_client.h → components/mesh_ota/include/HTTPS_Client.h
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@ -5,19 +5,10 @@
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_system.h"
#include "nvs_flash.h"
#include "esp_netif.h"
#include "lwip/err.h"
#include "lwip/sockets.h"
#include "lwip/sys.h"
#include "lwip/netdb.h"
#include "lwip/dns.h"
#include "mbedtls/platform.h"
#include "mbedtls/net_sockets.h"
#include "mbedtls/esp_debug.h"

11
components/mesh_ota/include/Mesh_network.h → components/mesh_ota/include/Mesh_Network.h
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@ -8,7 +8,7 @@
#include "esp_log.h"
#include "esp_mesh.h"
#include "esp_mesh_internal.h"
#include <stdlib.h>
#include "nvs_flash.h"
#ifndef CONFIG_MESH_MESSAGE_SIZE
#define CONFIG_MESH_MESSAGE_SIZE 1500
@ -67,6 +67,15 @@ struct meshPacket
typedef struct meshPacket MESH_PACKET_t;
#define ERROR_CHECK(x) if (err == ESP_OK) \
{ \
err = (x); \
if (err != ESP_OK) \
{ \
ESP_LOGE(LOG_TAG, "%s failed with error: 0x%x -> %s", #x, err, esp_err_to_name(err)); \
} \
} \
extern bool bIsMeshConnected;
extern int32_t i32MeshLayer;
extern mesh_addr_t meshParentAddr;

39
components/mesh_ota/include/Mesh_OTA.h
Unescape View File

@ -1,20 +1,14 @@
#ifndef H_MESH_OTA
#define H_MESH_OTA
#include <string.h>
#include "esp_wifi.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_mesh.h"
#include "esp_mesh_internal.h"
#include "nvs_flash.h"
#include "driver/gpio.h"
#include "esp_ota_ops.h"
#include "esp_partition.h"
#include "Mesh_network.h"
#include "HTTPS_client.h"
#include "Mesh_Network.h"
#include "HTTPS_Client.h"
#define ERASE_NVS //erase non volatile storage if full
#define QUEUE_NODES_SIZE 10
@ -34,42 +28,15 @@
} \
} \
enum otaMeshRole
{
Transmitter,
Receiver
};
typedef enum otaMeshRole OTA_MESH_ROLE_t;
esp_err_t errMeshOTAInitialize();
esp_err_t errOTAHTTPS(bool* pbNewOTAImage);
esp_err_t errOTAMeshSlave(bool* pbNewOTAImage);
esp_err_t errOTAMeshMaster(bool* pbNewOTAImage, mesh_addr_t* pMeshNodeAddr);
esp_err_t errOTAMeshTransmit(mesh_addr_t* pMeshNodeAddr);
esp_err_t errOTAMeshReceive(bool* pbNewOTAImage, mesh_addr_t* pMeshNodeAddr);
//helper functions
bool bNewerVersion(const char* pu8Local, const char* pu8Remote);
esp_err_t errExtractVersionNumber(const char* pu8Data, uint32_t* pu32DataLenght, char* pc8RemoteVersionNumber);
esp_err_t errFindImageStart(const char* pu8Data, uint32_t* pu32DataLenght, uint32_t* pu32StartOffset);
void vPrintOTAProgress(const uint32_t* const pu32TotalImageSize, const uint32_t* const pu32BytesWritten, OTA_MESH_ROLE_t eRole);
void vAddAllNeighboursToQueue(void);
esp_err_t errSendOTAVersionResponse(mesh_addr_t* meshReceiverAddr);
esp_err_t errSendOTAVersionRequest(mesh_addr_t* meshReceiverAddr);
void vClearOtaMessageQueue(mesh_addr_t* pMeshNodeAddr);
//Handler
void vAddNodeToPossibleUpdatableQueue(uint8_t* pu8MAC);
void vAddOtaMessageToQueue(MESH_PACKET_t* puMeshPacket);
void vChangeStateOfServerWorker(bool state);
//Tasks
void vTaskServerWorker(void *arg);
void vTaskOTAWorker(void *arg);
#endif /* H_MESH_OTA */