1、新增Dengle定时参数下发功能，支持最多10条配置，断电保存到Flash，COM打开时暂停发送、关闭后恢复

2、新增USB查询产品码(0x66)和查询Dengle配置(0x74)命令
3、修复bleproto组包栈溢出导致设置Dengle后复位的问题，并完善CDC的DTR状态判断

apps/common/device/usb/device/cdc.c

@@ -171,22 +171,25 @@ static u32 cdc_setup(struct usb_device_t *usb_device, struct usb_ctrlrequest *ct
             dump_line_coding((struct usb_cdc_line_coding *)cdc_hdl->subtype_data);
             break;
         case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
-            log_debug("set control line state - %d", ctrl_req->wValue);
+            /* wValue.bit0=DTR(打开COM通常置1), bit1=RTS */
+            log_info("set control line state wValue=0x%04x DTR=%d RTS=%d",
+                     ctrl_req->wValue,
+                     !!(ctrl_req->wValue & BIT(0)),
+                     !!(ctrl_req->wValue & BIT(1)));
             if (cdc_hdl) {
-                /* if (ctrl_req->wValue & BIT(0)) { //DTR */
-                cdc_hdl->bmTransceiver |= BIT(0);
-                /* } else { */
-                /* usb_slave->cdc->bmTransceiver &= ~BIT(0); */
-                /* } */
-                /* if (ctrl_req->wValue & BIT(1)) { //RTS */
-                cdc_hdl->bmTransceiver |= BIT(1);
-                /* } else { */
-                /* usb_slave->cdc->bmTransceiver &= ~BIT(1); */
-                /* } */
-                cdc_hdl->bmTransceiver |= BIT(4);  //cfg done
+                if (ctrl_req->wValue & BIT(0)) { /* DTR */
+                    cdc_hdl->bmTransceiver |= BIT(0);
+                } else {
+                    cdc_hdl->bmTransceiver &= ~BIT(0);
+                }
+                if (ctrl_req->wValue & BIT(1)) { /* RTS */
+                    cdc_hdl->bmTransceiver |= BIT(1);
+                } else {
+                    cdc_hdl->bmTransceiver &= ~BIT(1);
+                }
+                cdc_hdl->bmTransceiver |= BIT(4);  /* cfg done */
             }
             usb_set_setup_phase(usb_device, USB_EP0_STAGE_SETUP);
-            //cdc_endpoint_init(usb_device, (ctrl_req->wIndex & USB_RECIP_MASK));
             break;
         default:
             log_error("unsupported class req");
@@ -238,6 +241,10 @@ static void cdc_reset(struct usb_device_t *usb_device, u32 itf)
 {
     log_error("%s()", __func__);
     const usb_dev usb_id = usb_device2id(usb_device);
+    /* USB 复位/重枚举时清掉 COM 开闭状态 */
+    if (cdc_hdl) {
+        cdc_hdl->bmTransceiver &= ~(BIT(0) | BIT(1));
+    }
 #if USB_ROOT2
     usb_disable_ep(usb_id, CDC_DATA_EP_IN);
 #if CDC_INTR_EP_ENABLE
@@ -487,4 +494,17 @@ void cdc_release(const usb_dev usb_id)
     }
 }
 
+/**
+ * @brief  上位机是否已打开 COM（CDC DTR 有效）
+ * @return 1=COM 已打开  0=未打开/已关闭
+ */
+u8 cdc_is_com_open(void)
+{
+    if (cdc_hdl == NULL) {
+        return 0;
+    }
+    /* DTR=1 表示主机打开了虚拟串口 */
+    return (cdc_hdl->bmTransceiver & BIT(0)) ? 1 : 0;
+}
+
 #endif

apps/common/device/usb/device/cdc.h

@@ -15,6 +15,11 @@ u32 cdc_write_data(const usb_dev usb_id, u8 *buf, u32 len);
 u32 cdc_write_inir(const usb_dev usb_id, u8 *buf, u32 len);
 void cdc_register(const usb_dev usb_id);
 void cdc_release(const usb_dev usb_id);
+/**
+ * @brief  上位机是否已打开 COM（依据 CDC DTR）
+ * @return 1=已打开  0=未打开
+ */
+u8 cdc_is_com_open(void);
 
 #ifdef __cplusplus
 }

apps/common/third_party_profile/jieli/JL_rcsp/bt_trans_data/le_rcsp_adv_module.c

@@ -522,15 +522,7 @@ void usr_ble_send_data(u8* data,u16 len)
     {
         app_send_user_data(ATT_CHARACTERISTIC_15f1e601_a277_43fc_a484_dd39ef8a9100_01_VALUE_HANDLE, data, len, ATT_OP_AUTO_READ_CCC);
     }
-    //printf("send rsp:");
-   // printf_buf(data,len);
-    printf("\n");
-    for(u8 i=0;i<len;i++)
-    {
-        printf("%c",data[i]);
-    }
-    printf("\n");
-
+    /* 勿把二进制当字符打到调试串口，否则会出现 $m/-$m 等乱码并拖慢日志 */
 }
 static int app_send_user_data(u16 handle, u8 *data, u16 len, u8 handle_type)
 {