new map and starting smart config

Signed-off-by: Peter Siegmund <peter@rdkr.com>

ePaper-ESP-IDF/components/smartconfig/CMakeLists.txt

@@ -0,0 +1,10 @@
+idf_component_register(SRCS "smartconfig.cpp"
+                    INCLUDE_DIRS "."
+                    PRIV_REQUIRES 
+                        nvs_flash 
+                        esp_wifi 
+                        esp_netif 
+                        esp_event
+                        esp_http_client
+                        mapView
+                    )

ePaper-ESP-IDF/components/smartconfig/smartconfig.cpp

@@ -0,0 +1,124 @@
+#include "smartconfig.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include "esp_event.h"
+#include "esp_log.h"
+#include "esp_mac.h"
+#include "esp_netif.h"
+#include "esp_smartconfig.h"
+#include "esp_system.h"
+#include "esp_wifi.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/event_groups.h"
+#include "freertos/task.h"
+#include "nvs_flash.h"
+
+#include "mapView.h"
+
+/* FreeRTOS event group to signal when we are connected & ready to make a
+ * request */
+static EventGroupHandle_t s_wifi_event_group;
+
+/* The event group allows multiple bits for each event,
+   but we only care about one event - are we connected
+   to the AP with an IP? */
+static const int CONNECTED_BIT = BIT0;
+static const int ESPTOUCH_DONE_BIT = BIT1;
+static const char* TAG = "smartconfig";
+
+static void smartconfig_task(void* parm);
+
+static void event_handler(void* arg,
+                          esp_event_base_t event_base,
+                          int32_t event_id,
+                          void* event_data) {
+  if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
+    xTaskCreate(smartconfig_task, "smartconfig_task", 4096, NULL, 3, NULL);
+  } else if (event_base == WIFI_EVENT &&
+             event_id == WIFI_EVENT_STA_DISCONNECTED) {
+    esp_wifi_connect();
+    xEventGroupClearBits(s_wifi_event_group, CONNECTED_BIT);
+  } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
+    xEventGroupSetBits(s_wifi_event_group, CONNECTED_BIT);
+  } else if (event_base == SC_EVENT && event_id == SC_EVENT_SCAN_DONE) {
+    ESP_LOGI(TAG, "Scan done");
+  } else if (event_base == SC_EVENT && event_id == SC_EVENT_FOUND_CHANNEL) {
+    ESP_LOGI(TAG, "Found channel");
+  } else if (event_base == SC_EVENT && event_id == SC_EVENT_GOT_SSID_PSWD) {
+    ESP_LOGI(TAG, "Got SSID and password");
+
+    smartconfig_event_got_ssid_pswd_t* evt =
+        (smartconfig_event_got_ssid_pswd_t*)event_data;
+    wifi_config_t wifi_config;
+    uint8_t ssid[33] = {0};
+    uint8_t password[65] = {0};
+    uint8_t rvd_data[33] = {0};
+
+    bzero(&wifi_config, sizeof(wifi_config_t));
+    memcpy(wifi_config.sta.ssid, evt->ssid, sizeof(wifi_config.sta.ssid));
+    memcpy(wifi_config.sta.password, evt->password,
+           sizeof(wifi_config.sta.password));
+
+    if (evt->type == SC_TYPE_ESPTOUCH_V2) {
+      ESP_ERROR_CHECK(esp_smartconfig_get_rvd_data(rvd_data, sizeof(rvd_data)));
+      ESP_LOGI(TAG, "RVD_DATA:");
+      for (int i = 0; i < 33; i++) {
+        printf("%02x ", rvd_data[i]);
+      }
+      printf("\n");
+    }
+
+    ESP_ERROR_CHECK(esp_wifi_disconnect());
+    ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
+    esp_wifi_connect();
+  } else if (event_base == SC_EVENT && event_id == SC_EVENT_SEND_ACK_DONE) {
+    xEventGroupSetBits(s_wifi_event_group, ESPTOUCH_DONE_BIT);
+  }
+}
+
+static void initialise_wifi(void) {
+  ESP_ERROR_CHECK(esp_netif_init());
+  s_wifi_event_group = xEventGroupCreate();
+  ESP_ERROR_CHECK(esp_event_loop_create_default());
+  esp_netif_t* sta_netif = esp_netif_create_default_wifi_sta();
+  assert(sta_netif);
+
+  wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+  ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+
+  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));
+  ESP_ERROR_CHECK(esp_event_handler_register(SC_EVENT, ESP_EVENT_ANY_ID,
+                                             &event_handler, NULL));
+
+  ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
+  ESP_ERROR_CHECK(esp_wifi_start());
+}
+
+static void smartconfig_task(void* parm) {
+  EventBits_t uxBits;
+  ESP_ERROR_CHECK(esp_smartconfig_set_type(SC_TYPE_ESPTOUCH));
+  smartconfig_start_config_t cfg = SMARTCONFIG_START_CONFIG_DEFAULT();
+  ESP_ERROR_CHECK(esp_smartconfig_start(&cfg));
+  while (1) {
+    uxBits = xEventGroupWaitBits(s_wifi_event_group,
+                                 CONNECTED_BIT | ESPTOUCH_DONE_BIT, true, false,
+                                 portMAX_DELAY);
+    if (uxBits & CONNECTED_BIT) {
+      ESP_LOGI(TAG, "WiFi Connected to ap");
+    }
+    if (uxBits & ESPTOUCH_DONE_BIT) {
+      ESP_LOGI(TAG, "smartconfig over");
+      esp_smartconfig_stop();
+      vTaskDelete(NULL);
+    }
+  }
+}
+
+void init_smartconfig() {
+  ESP_ERROR_CHECK(nvs_flash_init());
+  initialise_wifi();
+}

ePaper-ESP-IDF/components/smartconfig/smartconfig.h

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+#pragma once
+
+void init_smartconfig();