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examples: Add QR code support for provisioning examples

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This commit is contained in:
yuanjm
2021-02-18 18:45:21 +08:00
parent 78314df2a5
commit 060a829091
15 changed files with 243 additions and 6 deletions
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36
examples/provisioning/wifi_prov_mgr/main/app_main.c
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@@ -28,6 +28,7 @@
#ifdef CONFIG_EXAMPLE_PROV_TRANSPORT_SOFTAP
#include <wifi_provisioning/scheme_softap.h>
#endif /* CONFIG_EXAMPLE_PROV_TRANSPORT_SOFTAP */
#include "qrcode.h"
static const char *TAG = "app";
@@ -35,6 +36,11 @@ static const char *TAG = "app";
const int WIFI_CONNECTED_EVENT = BIT0;
static EventGroupHandle_t wifi_event_group;
#define PROV_QR_VERSION "v1"
#define PROV_TRANSPORT_SOFTAP "softap"
#define PROV_TRANSPORT_BLE "ble"
#define QRCODE_BASE_URL "https://espressif.github.io/esp-jumpstart/qrcode.html"
/* Event handler for catching system events */
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
@@ -120,6 +126,30 @@ esp_err_t custom_prov_data_handler(uint32_t session_id, const uint8_t *inbuf, ss
return ESP_OK;
}
static void wifi_prov_print_qr(const char *name, const char *pop, const char *transport)
{
if (!name || !transport) {
ESP_LOGW(TAG, "Cannot generate QR code payload. Data missing.");
return;
}
char payload[150] = {0};
if (pop) {
snprintf(payload, sizeof(payload), "{\"ver\":\"%s\",\"name\":\"%s\"" \
",\"pop\":\"%s\",\"transport\":\"%s\"}",
PROV_QR_VERSION, name, pop, transport);
} else {
snprintf(payload, sizeof(payload), "{\"ver\":\"%s\",\"name\":\"%s\"" \
",\"transport\":\"%s\"}",
PROV_QR_VERSION, name, transport);
}
#ifdef CONFIG_EXAMPLE_PROV_SHOW_QR
ESP_LOGI(TAG, "Scan this QR code from the provisioning application for Provisioning.");
esp_qrcode_config_t cfg = ESP_QRCODE_CONFIG_DEFAULT();
esp_qrcode_generate(&cfg, payload);
#endif /* CONFIG_APP_WIFI_PROV_SHOW_QR */
ESP_LOGI(TAG, "If QR code is not visible, copy paste the below URL in a browser.\n%s?data=%s", QRCODE_BASE_URL, payload);
}
void app_main(void)
{
/* Initialize NVS partition */
@@ -260,6 +290,12 @@ void app_main(void)
* by the default event loop handler, we don't need to call the following */
// wifi_prov_mgr_wait();
// wifi_prov_mgr_deinit();
/* Print QR code for provisioning */
#ifdef CONFIG_EXAMPLE_PROV_TRANSPORT_BLE
wifi_prov_print_qr(service_name, pop, PROV_TRANSPORT_BLE);
#else /* CONFIG_EXAMPLE_PROV_TRANSPORT_SOFTAP */
wifi_prov_print_qr(service_name, pop, PROV_TRANSPORT_SOFTAP);
#endif /* CONFIG_EXAMPLE_PROV_TRANSPORT_BLE */
} else {
ESP_LOGI(TAG, "Already provisioned, starting Wi-Fi STA");