Ready to implement OTA logic
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@ -38,4 +38,9 @@
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/**
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* Interval of time (in seconds) between two synchronisations
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*/
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#define SYNC_TIME_INTERVAL 5
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#define SYNC_TIME_INTERVAL 5
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/**
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* OTA download timeout (in milliseconds)
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*/
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#define OTA_REC_TIMEOUT 15000
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@ -1,6 +1,8 @@
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#include "esp_log.h"
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#include "esp_partition.h"
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#include "esp_ota_ops.h"
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#include "esp_http_client.h"
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#include "constants.h"
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#include "ota.h"
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#include "storage.h"
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@ -25,15 +27,50 @@ bool ota_perform_update(const char *version)
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running->type, running->subtype, running->address);
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// Determine firmware download URL
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char *secure_url = calloc(256, 1);
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assert(secure_url != NULL);
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assert(storage_get_secure_origin(secure_url) > 0);
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strcat(secure_url, "/devices_api/ota/Wt32-Eth01/");
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strcat(secure_url, version);
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ESP_LOGI(TAG, "Firmware URL: %s", secure_url);
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char *update_url = calloc(256, 1);
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assert(update_url != NULL);
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assert(storage_get_secure_origin(update_url) > 0);
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strcat(update_url, "/devices_api/ota/Wt32-Eth01/");
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strcat(update_url, version);
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ESP_LOGI(TAG, "Firmware URL: %s", update_url);
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free(secure_url);
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char *root_ca = calloc(1, ROOT_CA_MAX_BYTES);
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assert(root_ca);
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assert(storage_get_root_ca(root_ca) > 0);
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esp_http_client_config_t config = {
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.url = update_url,
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.cert_pem = root_ca,
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.timeout_ms = OTA_REC_TIMEOUT,
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.keep_alive_enable = true,
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};
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esp_http_client_handle_t client = esp_http_client_init(&config);
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if (client == NULL)
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{
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ESP_LOGE(TAG, "Failed to initialise HTTP connection");
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free(update_url);
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free(root_ca);
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return false;
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}
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int err = esp_http_client_open(client, 0);
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free(update_url);
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free(root_ca);
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if (err != ESP_OK)
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{
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ESP_LOGE(TAG, "Failed to open HTTP connection: %s", esp_err_to_name(err));
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esp_http_client_cleanup(client);
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return false;
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}
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esp_http_client_fetch_headers(client);
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const esp_partition_t *update_partition = esp_ota_get_next_update_partition(NULL);
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assert(update_partition != NULL);
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ESP_LOGI(TAG, "Writing to partition subtype %d at offset 0x%" PRIx32,
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update_partition->subtype, update_partition->address);
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// TODO (from native example)
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return false;
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}
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