Added support to Beewi Smart Door as broadcaster.

README.md

@@ -54,7 +54,8 @@ is published.
   * `TLM` frames: `Voltage`, `Temperature`, `Count` and `Uptime`
 * For MiJia temperature and humidity sensors: `MACAddress`, `MessageCounter`,
   `Temperature`, `Humidity` and `BatteryLevel`
-
+* For BeeWi Smart Door sensors: `Status` (opening door state) and `Battery`
+
 **Note:** Broadcaster topics are published without the retained flag regardless
 of what's defined in the configuration file.
 

main/broadcasters.c

@@ -356,7 +356,7 @@ static void mijia_temp_hum_metadata_get(uint8_t *adv_data, size_t adv_data_len,
     uint8_t len;
     mijia_temp_hum_t *mijia_temp_hum = mijia_temp_hum_data_get(adv_data,
         adv_data_len, &len);
-
+        
     cb("MACAddress", _mactoa(mijia_temp_hum->mac), ctx);
     sprintf(s, "%hhu", mijia_temp_hum->message_counter);
     cb("MessageCounter", s, ctx);
@@ -389,12 +389,89 @@ static broadcaster_ops_t mijia_temp_hum_ops = {
     .is_broadcaster = mijia_temp_hum_is_broadcaster,
     .metadata_get = mijia_temp_hum_metadata_get,
 };
+/* Beewi Smart Door */
+#define BEEWI_SMART_DOOR_COMPANY_ID 0x000D
+#define BEEWI_SMART_DOOR_SERVICE_ID 0x08 
+#define BEEWI_SMART_DOOR_DATA_TBD1 0x0C
+#define BEEWI_SMART_DOOR_DATA_TBD2 0x06 //unused here
+
+
+typedef struct {
+    uint16_t company_id;
+    uint8_t  service_id;
+    uint8_t  tbd1;
+    uint8_t  status;
+    uint8_t  tbd2;
+    uint8_t  battery;
+} __attribute__((packed)) beewi_smart_door_t;
+
+static beewi_smart_door_t *beewi_smart_door_data_get(uint8_t *adv_data, 
+    uint8_t adv_data_len, uint8_t *beewi_smart_door_len)
+{
+    uint8_t len;
+    uint8_t *data = esp_ble_resolve_adv_data(adv_data,
+        ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE, &len);
+
+    if (beewi_smart_door_len)
+        *beewi_smart_door_len = len;
+
+    return (beewi_smart_door_t *)data;
+}
+
+static int beewi_smart_door_is_broadcaster(uint8_t *adv_data, 
+    size_t adv_data_len)
+{
+    uint8_t name_len;
+    char *name = (char *)esp_ble_resolve_adv_data(adv_data, 
+        ESP_BLE_AD_TYPE_NAME_CMPL, &name_len);
+    if (strncmp(name, "BeeWi Smart Door", name_len) != 0)
+        return 0
+    ;
+
+    uint8_t len;
+    beewi_smart_door_t *beewi_smart_door = beewi_smart_door_data_get(adv_data,
+    adv_data_len, &len);
+
+    /* Technically, we should also prevent connecting to the device, as it stops broadcasting 
+   then. Or just once to get device name, and other static infos. Interesting data as opening status & battery are broadcasted. 
+   Battery data is also available as characteristic, but not the essential data, the door status.
+   Needs to blacklist the mac in service config to make this working*/
+
+
+    if (!beewi_smart_door || len != sizeof(beewi_smart_door_t))
+        return 0;
+
+    else return 1;
+
+}
+
+static void beewi_smart_door_metadata_get(uint8_t *adv_data, 
+    size_t adv_data_len, int rssi, broadcaster_meta_data_cb_t cb, void *ctx)
+{
+    char s[6];
+    beewi_smart_door_t *beewi_smart_door = beewi_smart_door_data_get(adv_data,
+    adv_data_len, NULL);
+
+    if (beewi_smart_door->tbd1 == BEEWI_SMART_DOOR_DATA_TBD1) { 
+            sprintf(s,"%hhu",beewi_smart_door->status );
+            cb("Status", s, ctx);
+            sprintf(s,"%hhu",beewi_smart_door->battery);
+            cb("Battery", s, ctx);
+       }    
+}
+
+static broadcaster_ops_t beewi_smart_door_ops = {
+    .name = "BeeWi Smart Door",
+    .is_broadcaster = beewi_smart_door_is_broadcaster,
+    .metadata_get = beewi_smart_door_metadata_get,
+};
 
 /* Common */
 static broadcaster_ops_t *broadcaster_ops[] = {
     &ibeacon_ops,
     &eddystone_ops,
     &mijia_temp_hum_ops,
+    &beewi_smart_door_ops,
     NULL
 };
 

main/broadcasters.h

@@ -4,7 +4,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#define MAX_BROADCASTER_NAME 16
+#define MAX_BROADCASTER_NAME 17
 
 /* Event callback types */
 typedef void (*broadcaster_meta_data_cb_t)(char *name, char *val, void *ctx);