ESP32 OTA firmware updates via WiFi mesh network. https://hendrikschutter.com
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#ifndef H_MESH_NETWORK
#define H_MESH_NETWORK
#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"
#ifndef CONFIG_MESH_MESSAGE_SIZE
#define CONFIG_MESH_MESSAGE_SIZE 1500
#endif
#ifndef CONFIG_MESH_TOPOLOGY
#define CONFIG_MESH_TOPOLOGY MESH_TOPO_TREE
#endif
#ifndef CONFIG_MESH_MAX_LAYER
#define CONFIG_MESH_MAX_LAYER 6
#endif
#ifndef CONFIG_MESH_ID
#define CONFIG_MESH_ID "00, 00, 00, 00, 00, 00"
#endif
#ifndef CONFIG_MESH_AP_AUTHMODE
#define CONFIG_MESH_AP_AUTHMODE WIFI_AUTH_WPA2_PSK
#endif
#ifndef CONFIG_MESH_AP_CONNECTIONS
#define CONFIG_MESH_AP_CONNECTIONS 6
#endif
#ifndef CONFIG_MESH_AP_PASSWD
#define CONFIG_MESH_AP_PASSWD "MAP_PASSWD"
#endif
#ifndef CONFIG_MESH_CHANNEL
#define CONFIG_MESH_CHANNEL 0
#endif
#ifndef CONFIG_MESH_ROUTER_SSID
#define CONFIG_MESH_ROUTER_SSID "ROUTER_SSID"
#endif
#ifndef CONFIG_MESH_ROUTER_PASSWD
#define CONFIG_MESH_ROUTER_PASSWD "ROUTER_PASSWD"
#endif
#ifndef CONFIG_MESH_ROUTE_TABLE_SIZE
#define CONFIG_MESH_ROUTE_TABLE_SIZE 50
#endif
struct mesh_packet
{
enum ota_mesh_packet_type {
APP_Data, //data for application
OTA_Version_Request, //send own version in payload
OTA_Version_Respone, //send own version in payload
OTA_Data, //send image segment
OTA_ACK, //ack image segment
OTA_Complete //signal end of image
} type;
uint8_t au8Payload[1024];
};
typedef struct mesh_packet MESH_PACKET_t;
extern bool bIsMeshConnected;
extern int32_t i32MeshLayer;
extern mesh_addr_t mesh_parent_addr;
extern esp_netif_t* netif_sta;
esp_err_t errMeshNetworkInitialize();
esp_err_t errMeshNetworkInitializeWiFi();
esp_err_t errMeshNetworkInitializeRouter(mesh_cfg_t* cfg);
bool bCheckMACEquality(uint8_t* pu8aMAC, uint8_t* pu8bMAC);
esp_err_t errGetChildren(mesh_addr_t* pChildren, uint16_t* pu16ChildrenSize);
void vMeshEventHandler(void *arg, esp_event_base_t event_base, int32_t i32EventID, void* vpEventData);
void vIPEventHandler(void *arg, esp_event_base_t event_base, int32_t i32EventID, void *event_data);
esp_err_t errStartReceiveTask();
void vTaskReceiveMeshData(void *arg);
esp_err_t errSendMeshPacket(mesh_addr_t* pAddrDest, MESH_PACKET_t* pPacket);
#endif /* H_MESH_NETWORK */

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