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+extern const struct bd_addr co_null_bdaddr;
+/// Device BD address
+struct bd_addr dev_bdaddr_addr __attribute__((section("retention_mem_area0"), zero_init));


+void nvds_read_bdaddr_from_otp_addr()
+{
+    const uint16_t BDADDR_OFFSET = 0x7fd4;
+
+# ifndef APP_BOOT_FROM_OTP
+    int cnt = 100000;
+#define XPMC_MODE_MREAD   0x1
+    uint8_t *otp_bdaddr = (uint8_t *)0x40000 + BDADDR_OFFSET;
+
+    SetBits16(CLK_AMBA_REG, OTP_ENABLE, 1);            // enable OTP clock
+    while ((GetWord16(ANA_STATUS_REG) & LDO_OTP_OK) != LDO_OTP_OK && cnt--)
+
+    SetWord32(OTPC_MODE_REG, XPMC_MODE_MREAD);
+# else
+    uint8_t *otp_bdaddr = (uint8_t *)0x20000000 + BDADDR_OFFSET;   //where in OTP header is BDADDR
+# endif
+
+    memcpy(&dev_bdaddr_addr, otp_bdaddr, sizeof(dev_bdaddr_addr));
+    SetBits16(CLK_AMBA_REG, OTP_ENABLE, 0);     //disable OTP clock
+}

修改广播

     #endif //(NVDS_SUPPORT)

     {
         cmd->info.host.adv_data_len = APP_ADV_DATA_LEN;
-        memcpy(&cmd->info.host.adv_data[0], APP_ADV_DATA, cmd->info.host.adv_data_len);
+        memcpy(&cmd->info.host.adv_data[0],APP_ADV_DATA, cmd->info.host.adv_data_len);
     }
-
+
+               /**************************************************************/
+       //      cmd->info.host.adv_data_len = 6;
+        //memcpy(&cmd->info.host.adv_data[1], (uint8_t *)nvds_read_bdaddr_from_otp_st(), cmd->info.host.adv_data_len);
+               /****************************************************************/
+               nvds_read_bdaddr_from_otp_addr();
     // Scan Response Data
     #if (NVDS_SUPPORT)
     if(nvds_get(NVDS_TAG_APP_BLE_SCAN_RESP_DATA, &cmd->info.host.scan_rsp_data_len,
                 &cmd->info.host.scan_rsp_data[0]) != NVDS_OK)
     #endif //(NVDS_SUPPORT)
     {
-        cmd->info.host.scan_rsp_data_len = APP_SCNRSP_DATA_LENGTH;
-        memcpy(&cmd->info.host.scan_rsp_data[0], APP_SCNRSP_DATA, cmd->info.host.scan_rsp_data_len);
+       // cmd->info.host.scan_rsp_data_len = APP_SCNRSP_DATA_LENGTH;
+       // memcpy(&cmd->info.host.scan_rsp_data[0], APP_SCNRSP_DATA, cmd->info.host.scan_rsp_data_len);
+                       uint8_t manufacture_info[8];
+                       cmd->info.host.scan_rsp_data_len = 8;
+                       manufacture_info[0]= 0x07;
+                       manufacture_info[1]= GAP_AD_TYPE_MANU_SPECIFIC_DATA;
+
+                       extern const struct nvds_data_struct nvds_data_storage;
+                       int k;
+                       for(k=0;k<6;k++){
+                               manufacture_info[2+k] = dev_bdaddr_addr.addr[5-k];//nvds_data_storage.NVDS_TAG_BD_ADDRESS[5-k];
+                       }
+                       memcpy(&cmd->info.host.scan_rsp_data[0], manufacture_info, cmd->info.host.scan_rsp_data_len);
     }