ESP32 OTA firmware updates via WiFi mesh network. https://hendrikschutter.com
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#ifndef H_HTTPS_CLIENT
#define H_HTTPS_CLIENT
#include <string.h>
#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"
#include "mbedtls/ssl.h"
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/error.h"
#include "mbedtls/certs.h"
#include "esp_crt_bundle.h"
#ifndef CONFIG_OTA_HTTPS_URL
#define CONFIG_OTA_HTTPS_URL "https://exmaple.com/theImage.bin"
#endif
#ifndef CONFIG_OTA_HTTPS_SERVER_PORT
#define CONFIG_OTA_HTTPS_SERVER_PORT "443"
#endif
#ifndef CONFIG_OTA_HTTPS_AUTH
#define CONFIG_OTA_HTTPS_AUTH "base64(user:password)"
#endif
#ifndef CONFIG_OTA_HTTPS_SERVER_COMMON_NAME
#define CONFIG_OTA_HTTPS_SERVER_COMMON_NAME "exmaple.com"
#endif
#define HTTPS_CLIENT_OK 0
#define HTTPS_CLIENT_ERROR -1
#define HTTPS_CLIENT_ERROR_INIT_EMBEDTLS -2
#define HTTPS_CLIENT_ERROR_INIT_CONNECT_TWO_SERVER -3
#define HTTPS_CLIENT_ERROR_INIT_VALIDATE_SERVER -4
#define HTTPS_CLIENT_ERROR_INIT_SEND_REQUEST -5
struct HTTPS_Client
{
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
mbedtls_ssl_context ssl;
mbedtls_x509_crt cacert;
mbedtls_ssl_config conf;
mbedtls_net_context server_fd;
};
typedef int32_t https_client_ret_t;
typedef struct HTTPS_Client HTTPS_Client_t;
https_client_ret_t https_clientInitialize();
https_client_ret_t https_clientRetrieveData(char* pu8Data, uint32_t* pu32DataLenght, uint32_t* pu32BytesRead);
https_client_ret_t https_clientDeinitialize();
#endif /* H_HTTPS_CLIENT */

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