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wifi_prov: Exposed event for transport pairing

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Closes https://github.com/espressif/esp-idf/issues/10007
This commit is contained in:
Laukik Hase 2022-10-21 10:25:19 +05:30
parent 9cb53256a0
commit e6171b7338
No known key found for this signature in database
GPG Key ID: 11C571361F51A199
4 changed files with 77 additions and 7 deletions
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14
components/protocomm/include/transports/protocomm_ble.h
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@ -7,11 +7,25 @@
#pragma once
#include <protocomm.h>
#include "esp_event.h"
#ifdef __cplusplus
extern "C" {
#endif
ESP_EVENT_DECLARE_BASE(PROTOCOMM_TRANSPORT_BLE_EVENT);
/**
* @brief Events generated by BLE transport
*
* These events are generated when the BLE transport is paired
* and disconnected.
*/
typedef enum {
PROTOCOMM_TRANSPORT_BLE_CONNECTED,
PROTOCOMM_TRANSPORT_BLE_DISCONNECTED,
} protocomm_transport_ble_event_t;
/**
* BLE device name cannot be larger than this value
* 31 bytes (max scan response size) - 1 byte (length) - 1 byte (type) = 29 bytes

11
components/protocomm/src/transports/protocomm_ble.c
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@ -15,6 +15,8 @@
#include "protocomm_priv.h"
#include "simple_ble.h"
ESP_EVENT_DEFINE_BASE(PROTOCOMM_TRANSPORT_BLE_EVENT);
/* NOTE: For the security2 scheme, the payload size is quite larger
* than that for security1. The increased value has been selected
* keeping in mind the largest packet size for security2 and the
@ -25,6 +27,7 @@
#else
#define CHAR_VAL_LEN_MAX (256 + 1)
#endif // CONFIG_ESP_PROTOCOMM_SUPPORT_SECURITY_VERSION_2
#define PREPARE_BUF_MAX_SIZE CHAR_VAL_LEN_MAX
static const char *TAG = "protocomm_ble";
@ -342,6 +345,10 @@ static void transport_simple_ble_disconnect(esp_gatts_cb_event_t event, esp_gatt
param->disconnect.conn_id);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "error closing the session after disconnect");
} else {
if (esp_event_post(PROTOCOMM_TRANSPORT_BLE_EVENT, PROTOCOMM_TRANSPORT_BLE_DISCONNECTED, NULL, 0, portMAX_DELAY) != ESP_OK) {
ESP_LOGE(TAG, "Failed to post transport disconnection event");
}
}
}
protoble_internal->gatt_mtu = ESP_GATT_DEF_BLE_MTU_SIZE;
@ -357,6 +364,10 @@ static void transport_simple_ble_connect(esp_gatts_cb_event_t event, esp_gatt_if
param->connect.conn_id);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "error creating the session");
} else {
if (esp_event_post(PROTOCOMM_TRANSPORT_BLE_EVENT, PROTOCOMM_TRANSPORT_BLE_CONNECTED, NULL, 0, portMAX_DELAY) != ESP_OK) {
ESP_LOGE(TAG, "Failed to post transport pairing event");
}
}
}
}

16
components/protocomm/src/transports/protocomm_nimble.c
View File

@ -22,6 +22,8 @@
static const char *TAG = "protocomm_nimble";
ESP_EVENT_DEFINE_BASE(PROTOCOMM_TRANSPORT_BLE_EVENT);
int ble_uuid_flat(const ble_uuid_t *, void *);
static uint8_t ble_uuid_base[BLE_UUID128_VAL_LENGTH];
static int num_chr_dsc;
@ -236,7 +238,11 @@ simple_ble_gap_event(struct ble_gap_event *event, void *arg)
case BLE_GAP_EVENT_DISCONNECT:
ESP_LOGD(TAG, "disconnect; reason=%d ", event->disconnect.reason);
transport_simple_ble_disconnect(event, arg);
s_cached_conn_handle = 0; /* Clear conn_handle value */
/* Clear conn_handle value */
s_cached_conn_handle = 0;
if (esp_event_post(PROTOCOMM_TRANSPORT_BLE_EVENT, PROTOCOMM_TRANSPORT_BLE_DISCONNECTED, NULL, 0, portMAX_DELAY) != ESP_OK) {
ESP_LOGE(TAG, "Failed to post pairing event");
}
/* Connection terminated; resume advertising. */
simple_ble_advertise();
return 0;
@ -552,6 +558,10 @@ static void transport_simple_ble_disconnect(struct ble_gap_event *event, void *a
protoble_internal->pc_ble->sec->close_transport_session(protoble_internal->pc_ble->sec_inst, event->disconnect.conn.conn_handle);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "error closing the session after disconnect");
} else {
if (esp_event_post(PROTOCOMM_TRANSPORT_BLE_EVENT, PROTOCOMM_TRANSPORT_BLE_DISCONNECTED, NULL, 0, portMAX_DELAY) != ESP_OK) {
ESP_LOGE(TAG, "Failed to post transport disconnection event");
}
}
}
protoble_internal->gatt_mtu = BLE_ATT_MTU_DFLT;
@ -567,6 +577,10 @@ static void transport_simple_ble_connect(struct ble_gap_event *event, void *arg)
protoble_internal->pc_ble->sec->new_transport_session(protoble_internal->pc_ble->sec_inst, event->connect.conn_handle);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "error creating the session");
} else {
if (esp_event_post(PROTOCOMM_TRANSPORT_BLE_EVENT, PROTOCOMM_TRANSPORT_BLE_CONNECTED, NULL, 0, portMAX_DELAY) != ESP_OK) {
ESP_LOGE(TAG, "Failed to post transport pairing event");
}
}
}
}

39
examples/provisioning/wifi_prov_mgr/main/app_main.c
View File

@ -156,16 +156,44 @@ static void event_handler(void* arg, esp_event_base_t event_base,
default:
break;
}
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
} else if (event_base == WIFI_EVENT) {
switch (event_id) {
case WIFI_EVENT_STA_START:
esp_wifi_connect();
break;
case WIFI_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "Disconnected. Connecting to the AP again...");
esp_wifi_connect();
break;
#ifdef CONFIG_EXAMPLE_PROV_TRANSPORT_SOFTAP
case WIFI_EVENT_AP_STACONNECTED:
ESP_LOGI(TAG, "SoftAP transport: Connected!");
break;
case WIFI_EVENT_AP_STADISCONNECTED:
ESP_LOGI(TAG, "SoftAP transport: Disconnected!");
break;
#endif
default:
break;
}
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
ESP_LOGI(TAG, "Connected with IP Address:" IPSTR, IP2STR(&event->ip_info.ip));
/* Signal main application to continue execution */
xEventGroupSetBits(wifi_event_group, WIFI_CONNECTED_EVENT);
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
ESP_LOGI(TAG, "Disconnected. Connecting to the AP again...");
esp_wifi_connect();
#ifdef CONFIG_EXAMPLE_PROV_TRANSPORT_BLE
} else if (event_base == PROTOCOMM_TRANSPORT_BLE_EVENT) {
switch (event_id) {
case PROTOCOMM_TRANSPORT_BLE_CONNECTED:
ESP_LOGI(TAG, "BLE transport: Connected!");
break;
case PROTOCOMM_TRANSPORT_BLE_DISCONNECTED:
ESP_LOGI(TAG, "BLE transport: Disconnected!");
break;
default:
break;
}
#endif
}
}
@ -258,6 +286,9 @@ void app_main(void)
/* Register our event handler for Wi-Fi, IP and Provisioning related events */
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_PROV_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
#ifdef CONFIG_EXAMPLE_PROV_TRANSPORT_BLE
ESP_ERROR_CHECK(esp_event_handler_register(PROTOCOMM_TRANSPORT_BLE_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
#endif
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL));