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examples: Add OTA bind specified interface example

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Closes https://github.com/espressif/esp-idf/issues/6090
This commit is contained in:
yuanjm 2021-01-19 17:51:32 +08:00 committed by bot
parent bead3599ab
commit 07d784f7fe
4 changed files with 52 additions and 3 deletions
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4
examples/system/ota/simple_ota_example/README.md
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@ -4,4 +4,6 @@ This example is based on `esp_https_ota` component's APIs.
## Configuration
Refer README.md in the parent directory for setup details
Refer README.md in the parent directory for setup details.
Example also supports binding to specific interface (either "Ethernet" or "WiFi Station"), which will allow firmware upgrade to happen through specific interface (in case multiple networking interfaces are enabled). Please see more on this through example configuration in `idf.py menuconfig -> Example Configuration -> Support firmware upgrade bind specificied interface->Choose OTA data bind interface`.

25
examples/system/ota/simple_ota_example/main/Kconfig.projbuild
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@ -17,4 +17,29 @@ menu "Example Configuration"
help
This allows you to skip the validation of OTA server certificate CN field.
config EXAMPLE_FIRMWARE_UPGRADE_BIND_IF
bool "Support firmware upgrade bind specified interface"
default n
help
This allows you to bind specified interface in OTA example.
choice EXAMPLE_FIRMWARE_UPGRADE_BIND_IF_TYPE
prompt "Choose OTA data bind interface"
default EXAMPLE_FIRMWARE_UPGRADE_BIND_IF_STA
depends on EXAMPLE_FIRMWARE_UPGRADE_BIND_IF
help
Select which interface type of OTA data go through.
config EXAMPLE_FIRMWARE_UPGRADE_BIND_IF_STA
bool "Bind wifi station interface"
depends on EXAMPLE_CONNECT_WIFI
help
Select wifi station interface to pass the OTA data.
config EXAMPLE_FIRMWARE_UPGRADE_BIND_IF_ETH
bool "Bind ethernet interface"
depends on EXAMPLE_CONNECT_ETHERNET
help
Select ethernet interface to pass the OTA data.
endchoice
endmenu

25
examples/system/ota/simple_ota_example/main/simple_ota_example.c
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@ -20,11 +20,20 @@
#include "nvs.h"
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#include <sys/socket.h>
#if CONFIG_EXAMPLE_CONNECT_WIFI
#include "esp_wifi.h"
#endif
#ifdef CONFIG_EXAMPLE_FIRMWARE_UPGRADE_BIND_IF
/* The interface name value can refer to if_desc in esp_netif_defaults.h */
#if CONFIG_EXAMPLE_FIRMWARE_UPGRADE_BIND_IF_ETH
static const char *bind_interface_name = "eth";
#elif CONFIG_EXAMPLE_FIRMWARE_UPGRADE_BIND_IF_STA
static const char *bind_interface_name = "sta";
#endif
#endif
static const char *TAG = "simple_ota_example";
extern const uint8_t server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
extern const uint8_t server_cert_pem_end[] asm("_binary_ca_cert_pem_end");
@ -62,12 +71,24 @@ esp_err_t _http_event_handler(esp_http_client_event_t *evt)
void simple_ota_example_task(void *pvParameter)
{
ESP_LOGI(TAG, "Starting OTA example");
#ifdef CONFIG_EXAMPLE_FIRMWARE_UPGRADE_BIND_IF
esp_netif_t *netif = get_example_netif_from_desc(bind_interface_name);
if (netif == NULL) {
ESP_LOGE(TAG, "Can't find netif from interface description");
abort();
}
struct ifreq ifr;
esp_netif_get_netif_impl_name(netif, ifr.ifr_name);
ESP_LOGI(TAG, "Bind interface name is %s", ifr.ifr_name);
#endif
esp_http_client_config_t config = {
.url = CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL,
.cert_pem = (char *)server_cert_pem_start,
.event_handler = _http_event_handler,
.keep_alive_enable = true,
#ifdef CONFIG_EXAMPLE_FIRMWARE_UPGRADE_BIND_IF
.if_name = &ifr,
#endif
};
#ifdef CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL_FROM_STDIN

1
examples/system/ota/simple_ota_example/sdkconfig.ci
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@ -1,2 +1,3 @@
CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL="FROM_STDIN"
CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
CONFIG_EXAMPLE_FIRMWARE_UPGRADE_BIND_IF=y