#include "mesh_ota.h" /* * 999.999.999 * Return true if remote version is newer (higher) than local version */ bool bNewerVersion(const char* pu8Local, const char* pu8Remote) { 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 strcpy(u8LocalTmp, pu8Local); //copy in tmp strcpy(u8RemoteTmp, pu8Remote); //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; } /* esp_err_t esp_mesh_ota_send(mesh_addr_t* dest) { esp_err_t err = ESP_OK; static uint32_t u32index; const esp_partition_t * currentPartition = esp_ota_get_boot_partition(); if((*currentPartition).subtype == 0) { int data_read = 0; struct ota_mesh_packet packet; packet.type=OTA_Data; if(u32index == 1024) { //all data read data_read = 0; u32index = 0; } else { ESP_LOGI(MESH_TAG, "OTA-Data read: %i", u32index); err = esp_partition_read(currentPartition, (1024*u32index), packet.au8Payload, 1024 ); ESP_ERROR_CHECK(err); data_read = 1024; u32index++; } if (data_read > 0) { //send ota fragemnt to node esp_mesh_send_packet(dest, &packet); } ESP_ERROR_CHECK(err); } else { ESP_LOGI(MESH_TAG, "Subtype: %d", (*currentPartition).subtype); } return err; } esp_err_t esp_mesh_ota_receive(mesh_addr_t* dest, struct ota_mesh_packet* packet) { esp_err_t err = ESP_OK; static esp_ota_handle_t otaHandle; static uint32_t u32index; const esp_partition_t * currentPartition = esp_ota_get_boot_partition(); const esp_partition_t * otaPartition = esp_ota_get_next_update_partition(currentPartition); if(u32index == 0) { //first run err = esp_ota_begin(otaPartition, OTA_SIZE_UNKNOWN, &otaHandle); ESP_ERROR_CHECK(err); } ESP_LOGI(MESH_TAG, "OTA-Data write: %i", u32index); err = esp_ota_write(otaHandle, packet->au8Payload, 1024); if(err != ESP_OK) { ESP_LOGE(MESH_TAG, "OTA-Data write error: %i at %i", err, u32index); } ESP_ERROR_CHECK(err); if(u32index >= 1023) { //ota update complete ESP_LOGI(MESH_TAG, "OTA-Data complete arrived: %i", u32index); err = esp_ota_end(otaHandle); ESP_ERROR_CHECK(err); esp_app_desc_t otaPartitionDesc; err = esp_ota_get_partition_description(otaPartition, &otaPartitionDesc); ESP_ERROR_CHECK(err); ESP_LOGI(MESH_TAG, "otaPartition project_name: %s", (otaPartitionDesc).project_name); err = esp_ota_set_boot_partition(otaPartition); ESP_ERROR_CHECK(err); struct ota_mesh_packet retPacket; retPacket.type=OTA_Complete; ESP_ERROR_CHECK (esp_mesh_send_packet(dest, &retPacket)); //send back to parent //check if this node has children --> Update them esp_restart(); } u32index++; return err; } */