diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index 445e078..41390f3 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -64,6 +64,7 @@ osThreadId dac_taskHandle;
 osThreadId adc_taskHandle;
 osThreadId gpio_di_do_taskHandle;
 osThreadId ec11_taskHandle;
+osThreadId uart_forwardingHandle;
 
 /* Private function prototypes -----------------------------------------------*/
 /* USER CODE BEGIN FunctionPrototypes */
@@ -158,6 +159,10 @@ void MX_FREERTOS_Init(void)
   osThreadDef(ec11_task, start_ec11_task, osPriorityNormal, 0, 512);
   ec11_taskHandle = osThreadCreate(osThread(ec11_task), NULL);
 
+  /* definition and creation of uart_forwarding */
+  osThreadDef(uart_forwarding, start_uart_forwarding, osPriorityRealtime, 0, 512);
+  uart_forwardingHandle = osThreadCreate(osThread(uart_forwarding), NULL);
+
   /* USER CODE BEGIN RTOS_THREADS */
   /* add threads, ... */
   /* USER CODE END RTOS_THREADS */
diff --git a/LWIP/App/lwip.c b/LWIP/App/lwip.c
index 7ce8f9b..61a1c5b 100644
--- a/LWIP/App/lwip.c
+++ b/LWIP/App/lwip.c
@@ -22,7 +22,7 @@
 #include "lwip.h"
 #include "lwip/init.h"
 #include "lwip/netif.h"
-#if defined(__CC_ARM) /* MDK ARM Compiler */
+#if defined ( __CC_ARM )  /* MDK ARM Compiler */
 #include "lwip/sio.h"
 #endif /* MDK ARM Compiler */
 #include "ethernetif.h"
@@ -53,8 +53,8 @@ uint8_t GATEWAY_ADDRESS[4];
 /* USER CODE END 2 */
 
 /**
- * LwIP initialization function
- */
+  * LwIP initialization function
+  */
 void MX_LWIP_Init(void)
 {
   /* IP addresses initialization */
@@ -71,7 +71,7 @@ void MX_LWIP_Init(void)
   GATEWAY_ADDRESS[2] = 1;
   GATEWAY_ADDRESS[3] = 29;
 
-  /* USER CODE BEGIN IP_ADDRESSES */
+/* USER CODE BEGIN IP_ADDRESSES */
   uint8_t ip_address_flash[4] = {0,0,0,0};
   flash_read_data(FLASH_USER_START_ADDR, ip_address_flash, 4);
   if (ip_address_flash[0] == 192)
@@ -81,14 +81,14 @@ void MX_LWIP_Init(void)
     IP_ADDRESS[2] = ip_address_flash[2];
     IP_ADDRESS[3] = ip_address_flash[3];
   }
-  /* USER CODE END IP_ADDRESSES */
+/* USER CODE END IP_ADDRESSES */
 
   /* Initilialize the LwIP stack with RTOS */
-  tcpip_init(NULL, NULL);
+  tcpip_init( NULL, NULL );
 
   /* IP addresses initialization without DHCP (IPv4) */
   IP4_ADDR(&ipaddr, IP_ADDRESS[0], IP_ADDRESS[1], IP_ADDRESS[2], IP_ADDRESS[3]);
-  IP4_ADDR(&netmask, NETMASK_ADDRESS[0], NETMASK_ADDRESS[1], NETMASK_ADDRESS[2], NETMASK_ADDRESS[3]);
+  IP4_ADDR(&netmask, NETMASK_ADDRESS[0], NETMASK_ADDRESS[1] , NETMASK_ADDRESS[2], NETMASK_ADDRESS[3]);
   IP4_ADDR(&gw, GATEWAY_ADDRESS[0], GATEWAY_ADDRESS[1], GATEWAY_ADDRESS[2], GATEWAY_ADDRESS[3]);
 
   /* add the network interface (IPv4/IPv6) with RTOS */
@@ -112,14 +112,14 @@ void MX_LWIP_Init(void)
   netif_set_link_callback(&gnetif, ethernet_link_status_updated);
 
   /* Create the Ethernet link handler thread */
-  /* USER CODE BEGIN H7_OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
+/* USER CODE BEGIN H7_OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
   osThreadDef(EthLink, ethernet_link_thread, osPriorityBelowNormal, 0, configMINIMAL_STACK_SIZE * 2);
   osThreadCreate(osThread(EthLink), &gnetif);
-  /* USER CODE END H7_OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
+/* USER CODE END H7_OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
 
-  /* USER CODE BEGIN 3 */
+/* USER CODE BEGIN 3 */
 
-  /* USER CODE END 3 */
+/* USER CODE END 3 */
 }
 
 #ifdef USE_OBSOLETE_USER_CODE_SECTION_4
@@ -130,25 +130,25 @@ void MX_LWIP_Init(void)
 #endif
 
 /**
- * @brief  Notify the User about the network interface config status
- * @param  netif: the network interface
- * @retval None
- */
+  * @brief  Notify the User about the network interface config status
+  * @param  netif: the network interface
+  * @retval None
+  */
 static void ethernet_link_status_updated(struct netif *netif)
 {
   if (netif_is_up(netif))
   {
-    /* USER CODE BEGIN 5 */
-    /* USER CODE END 5 */
+/* USER CODE BEGIN 5 */
+/* USER CODE END 5 */
   }
   else /* netif is down */
   {
-    /* USER CODE BEGIN 6 */
-    /* USER CODE END 6 */
+/* USER CODE BEGIN 6 */
+/* USER CODE END 6 */
   }
 }
 
-#if defined(__CC_ARM) /* MDK ARM Compiler */
+#if defined ( __CC_ARM )  /* MDK ARM Compiler */
 /**
  * Opens a serial device for communication.
  *
@@ -159,9 +159,9 @@ sio_fd_t sio_open(u8_t devnum)
 {
   sio_fd_t sd;
 
-  /* USER CODE BEGIN 7 */
+/* USER CODE BEGIN 7 */
   sd = 0; // dummy code
-          /* USER CODE END 7 */
+/* USER CODE END 7 */
 
   return sd;
 }
@@ -176,8 +176,8 @@ sio_fd_t sio_open(u8_t devnum)
  */
 void sio_send(u8_t c, sio_fd_t fd)
 {
-  /* USER CODE BEGIN 8 */
-  /* USER CODE END 8 */
+/* USER CODE BEGIN 8 */
+/* USER CODE END 8 */
 }
 
 /**
@@ -195,9 +195,9 @@ u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
 {
   u32_t recved_bytes;
 
-  /* USER CODE BEGIN 9 */
+/* USER CODE BEGIN 9 */
   recved_bytes = 0; // dummy code
-                    /* USER CODE END 9 */
+/* USER CODE END 9 */
   return recved_bytes;
 }
 
@@ -214,9 +214,10 @@ u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len)
 {
   u32_t recved_bytes;
 
-  /* USER CODE BEGIN 10 */
+/* USER CODE BEGIN 10 */
   recved_bytes = 0; // dummy code
-                    /* USER CODE END 10 */
+/* USER CODE END 10 */
   return recved_bytes;
 }
 #endif /* MDK ARM Compiler */
+
diff --git a/LWIP/Target/ethernetif.c b/LWIP/Target/ethernetif.c
index ec81e4e..6acc308 100644
--- a/LWIP/Target/ethernetif.c
+++ b/LWIP/Target/ethernetif.c
@@ -38,7 +38,7 @@
 
 /* Private define ------------------------------------------------------------*/
 /* The time to block waiting for input. */
-#define TIME_WAITING_FOR_INPUT (portMAX_DELAY)
+#define TIME_WAITING_FOR_INPUT ( portMAX_DELAY )
 /* USER CODE BEGIN OS_THREAD_STACK_SIZE_WITH_RTOS */
 /* Stack size of the interface thread */
 #define INTERFACE_THREAD_STACK_SIZE (350)
@@ -48,8 +48,8 @@
 #define IFNAME1 't'
 
 /* ETH Setting  */
-#define ETH_DMA_TRANSMIT_TIMEOUT (20U)
-#define ETH_TX_BUFFER_MAX ((ETH_TX_DESC_CNT) * 2U)
+#define ETH_DMA_TRANSMIT_TIMEOUT               ( 20U )
+#define ETH_TX_BUFFER_MAX             ((ETH_TX_DESC_CNT) * 2U)
 
 /* USER CODE BEGIN 1 */
 
@@ -81,8 +81,8 @@
 /* Data Type Definitions */
 typedef enum
 {
-  RX_ALLOC_OK = 0x00,
-  RX_ALLOC_ERROR = 0x01
+  RX_ALLOC_OK       = 0x00,
+  RX_ALLOC_ERROR    = 0x01
 } RxAllocStatusTypeDef;
 
 typedef struct
@@ -92,40 +92,40 @@ typedef struct
 } RxBuff_t;
 
 /* Memory Pool Declaration */
-#define ETH_RX_BUFFER_CNT 12U
+#define ETH_RX_BUFFER_CNT             12U
 LWIP_MEMPOOL_DECLARE(RX_POOL, ETH_RX_BUFFER_CNT, sizeof(RxBuff_t), "Zero-copy RX PBUF pool");
 
 /* Variable Definitions */
 static uint8_t RxAllocStatus;
 
-ETH_DMADescTypeDef DMARxDscrTab[ETH_RX_DESC_CNT]; /* Ethernet Rx DMA Descriptors */
-ETH_DMADescTypeDef DMATxDscrTab[ETH_TX_DESC_CNT]; /* Ethernet Tx DMA Descriptors */
+ETH_DMADescTypeDef  DMARxDscrTab[ETH_RX_DESC_CNT]; /* Ethernet Rx DMA Descriptors */
+ETH_DMADescTypeDef  DMATxDscrTab[ETH_TX_DESC_CNT]; /* Ethernet Tx DMA Descriptors */
 
 /* USER CODE BEGIN 2 */
 
 /* USER CODE END 2 */
 
-osSemaphoreId RxPktSemaphore = NULL; /* Semaphore to signal incoming packets */
-osSemaphoreId TxPktSemaphore = NULL; /* Semaphore to signal transmit packet complete */
+osSemaphoreId RxPktSemaphore = NULL;   /* Semaphore to signal incoming packets */
+osSemaphoreId TxPktSemaphore = NULL;   /* Semaphore to signal transmit packet complete */
 
 /* Global Ethernet handle */
 ETH_HandleTypeDef heth;
 ETH_TxPacketConfig TxConfig;
 
 /* Private function prototypes -----------------------------------------------*/
-static void ethernetif_input(void const *argument);
+static void ethernetif_input(void const * argument);
 int32_t ETH_PHY_IO_Init(void);
-int32_t ETH_PHY_IO_DeInit(void);
+int32_t ETH_PHY_IO_DeInit (void);
 int32_t ETH_PHY_IO_ReadReg(uint32_t DevAddr, uint32_t RegAddr, uint32_t *pRegVal);
 int32_t ETH_PHY_IO_WriteReg(uint32_t DevAddr, uint32_t RegAddr, uint32_t RegVal);
 int32_t ETH_PHY_IO_GetTick(void);
 
 lan8742_Object_t LAN8742;
-lan8742_IOCtx_t LAN8742_IOCtx = {ETH_PHY_IO_Init,
-                                 ETH_PHY_IO_DeInit,
-                                 ETH_PHY_IO_WriteReg,
-                                 ETH_PHY_IO_ReadReg,
-                                 ETH_PHY_IO_GetTick};
+lan8742_IOCtx_t  LAN8742_IOCtx = {ETH_PHY_IO_Init,
+                                  ETH_PHY_IO_DeInit,
+                                  ETH_PHY_IO_WriteReg,
+                                  ETH_PHY_IO_ReadReg,
+                                  ETH_PHY_IO_GetTick};
 
 /* USER CODE BEGIN 3 */
 
@@ -135,33 +135,33 @@ lan8742_IOCtx_t LAN8742_IOCtx = {ETH_PHY_IO_Init,
 void pbuf_free_custom(struct pbuf *p);
 
 /**
- * @brief  Ethernet Rx Transfer completed callback
- * @param  handlerEth: ETH handler
- * @retval None
- */
+  * @brief  Ethernet Rx Transfer completed callback
+  * @param  handlerEth: ETH handler
+  * @retval None
+  */
 void HAL_ETH_RxCpltCallback(ETH_HandleTypeDef *handlerEth)
 {
   osSemaphoreRelease(RxPktSemaphore);
 }
 /**
- * @brief  Ethernet Tx Transfer completed callback
- * @param  handlerEth: ETH handler
- * @retval None
- */
+  * @brief  Ethernet Tx Transfer completed callback
+  * @param  handlerEth: ETH handler
+  * @retval None
+  */
 void HAL_ETH_TxCpltCallback(ETH_HandleTypeDef *handlerEth)
 {
   osSemaphoreRelease(TxPktSemaphore);
 }
 /**
- * @brief  Ethernet DMA transfer error callback
- * @param  handlerEth: ETH handler
- * @retval None
- */
+  * @brief  Ethernet DMA transfer error callback
+  * @param  handlerEth: ETH handler
+  * @retval None
+  */
 void HAL_ETH_ErrorCallback(ETH_HandleTypeDef *handlerEth)
 {
-  if ((HAL_ETH_GetDMAError(handlerEth) & ETH_DMASR_RBUS) == ETH_DMASR_RBUS)
+  if((HAL_ETH_GetDMAError(handlerEth) & ETH_DMASR_RBUS) == ETH_DMASR_RBUS)
   {
-    osSemaphoreRelease(RxPktSemaphore);
+     osSemaphoreRelease(RxPktSemaphore);
   }
 }
 
@@ -187,7 +187,7 @@ static void low_level_init(struct netif *netif)
   ETH_MACConfigTypeDef MACConf = {0};
   /* Start ETH HAL Init */
 
-  uint8_t MACAddr[6];
+   uint8_t MACAddr[6] ;
   heth.Instance = ETH;
   MACAddr[0] = 0x00;
   MACAddr[1] = 0x80;
@@ -210,7 +210,7 @@ static void low_level_init(struct netif *netif)
 
   hal_eth_init_status = HAL_ETH_Init(&heth);
 
-  memset(&TxConfig, 0, sizeof(ETH_TxPacketConfig));
+  memset(&TxConfig, 0 , sizeof(ETH_TxPacketConfig));
   TxConfig.Attributes = ETH_TX_PACKETS_FEATURES_CSUM | ETH_TX_PACKETS_FEATURES_CRCPAD;
   TxConfig.ChecksumCtrl = ETH_CHECKSUM_IPHDR_PAYLOAD_INSERT_PHDR_CALC;
   TxConfig.CRCPadCtrl = ETH_CRC_PAD_INSERT;
@@ -226,23 +226,23 @@ static void low_level_init(struct netif *netif)
   netif->hwaddr_len = ETH_HWADDR_LEN;
 
   /* set MAC hardware address */
-  netif->hwaddr[0] = heth.Init.MACAddr[0];
-  netif->hwaddr[1] = heth.Init.MACAddr[1];
-  netif->hwaddr[2] = heth.Init.MACAddr[2];
-  netif->hwaddr[3] = heth.Init.MACAddr[3];
-  netif->hwaddr[4] = heth.Init.MACAddr[4];
-  netif->hwaddr[5] = heth.Init.MACAddr[5];
+  netif->hwaddr[0] =  heth.Init.MACAddr[0];
+  netif->hwaddr[1] =  heth.Init.MACAddr[1];
+  netif->hwaddr[2] =  heth.Init.MACAddr[2];
+  netif->hwaddr[3] =  heth.Init.MACAddr[3];
+  netif->hwaddr[4] =  heth.Init.MACAddr[4];
+  netif->hwaddr[5] =  heth.Init.MACAddr[5];
 
   /* maximum transfer unit */
   netif->mtu = ETH_MAX_PAYLOAD;
 
-/* Accept broadcast address and ARP traffic */
-/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
-#if LWIP_ARP
-  netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
-#else
-  netif->flags |= NETIF_FLAG_BROADCAST;
-#endif /* LWIP_ARP */
+  /* Accept broadcast address and ARP traffic */
+  /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
+  #if LWIP_ARP
+    netif->flags |= NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
+  #else
+    netif->flags |= NETIF_FLAG_BROADCAST;
+  #endif /* LWIP_ARP */
 
   /* create a binary semaphore used for informing ethernetif of frame reception */
   RxPktSemaphore = xSemaphoreCreateBinary();
@@ -251,14 +251,14 @@ static void low_level_init(struct netif *netif)
   TxPktSemaphore = xSemaphoreCreateBinary();
 
   /* create the task that handles the ETH_MAC */
-  /* USER CODE BEGIN OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
+/* USER CODE BEGIN OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
   osThreadDef(EthIf, ethernetif_input, osPriorityRealtime, 0, INTERFACE_THREAD_STACK_SIZE);
   osThreadCreate(osThread(EthIf), netif);
-  /* USER CODE END OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
+/* USER CODE END OS_THREAD_DEF_CREATE_CMSIS_RTOS_V1 */
 
-  /* USER CODE BEGIN PHY_PRE_CONFIG */
+/* USER CODE BEGIN PHY_PRE_CONFIG */
 
-  /* USER CODE END PHY_PRE_CONFIG */
+/* USER CODE END PHY_PRE_CONFIG */
   /* Set PHY IO functions */
   LAN8742_RegisterBusIO(&LAN8742, &LAN8742_IOCtx);
 
@@ -270,7 +270,7 @@ static void low_level_init(struct netif *netif)
     PHYLinkState = LAN8742_GetLinkState(&LAN8742);
 
     /* Get link state */
-    if (PHYLinkState <= LAN8742_STATUS_LINK_DOWN)
+    if(PHYLinkState <= LAN8742_STATUS_LINK_DOWN)
     {
       netif_set_link_down(netif);
       netif_set_down(netif);
@@ -301,20 +301,21 @@ static void low_level_init(struct netif *netif)
         break;
       }
 
-      /* Get MAC Config MAC */
-      HAL_ETH_GetMACConfig(&heth, &MACConf);
-      MACConf.DuplexMode = duplex;
-      MACConf.Speed = speed;
-      HAL_ETH_SetMACConfig(&heth, &MACConf);
+    /* Get MAC Config MAC */
+    HAL_ETH_GetMACConfig(&heth, &MACConf);
+    MACConf.DuplexMode = duplex;
+    MACConf.Speed = speed;
+    HAL_ETH_SetMACConfig(&heth, &MACConf);
 
-      HAL_ETH_Start_IT(&heth);
-      netif_set_up(netif);
-      netif_set_link_up(netif);
+    HAL_ETH_Start_IT(&heth);
+    netif_set_up(netif);
+    netif_set_link_up(netif);
 
-      /* USER CODE BEGIN PHY_POST_CONFIG */
+/* USER CODE BEGIN PHY_POST_CONFIG */
 
-      /* USER CODE END PHY_POST_CONFIG */
+/* USER CODE END PHY_POST_CONFIG */
     }
+
   }
   else
   {
@@ -322,9 +323,9 @@ static void low_level_init(struct netif *netif)
   }
 #endif /* LWIP_ARP || LWIP_ETHERNET */
 
-  /* USER CODE BEGIN LOW_LEVEL_INIT */
+/* USER CODE BEGIN LOW_LEVEL_INIT */
 
-  /* USER CODE END LOW_LEVEL_INIT */
+/* USER CODE END LOW_LEVEL_INIT */
 }
 
 /**
@@ -350,22 +351,22 @@ static err_t low_level_output(struct netif *netif, struct pbuf *p)
   err_t errval = ERR_OK;
   ETH_BufferTypeDef Txbuffer[ETH_TX_DESC_CNT] = {0};
 
-  memset(Txbuffer, 0, ETH_TX_DESC_CNT * sizeof(ETH_BufferTypeDef));
+  memset(Txbuffer, 0 , ETH_TX_DESC_CNT*sizeof(ETH_BufferTypeDef));
 
-  for (q = p; q != NULL; q = q->next)
+  for(q = p; q != NULL; q = q->next)
   {
-    if (i >= ETH_TX_DESC_CNT)
+    if(i >= ETH_TX_DESC_CNT)
       return ERR_IF;
 
     Txbuffer[i].buffer = q->payload;
     Txbuffer[i].len = q->len;
 
-    if (i > 0)
+    if(i>0)
     {
-      Txbuffer[i - 1].next = &Txbuffer[i];
+      Txbuffer[i-1].next = &Txbuffer[i];
     }
 
-    if (q->next == NULL)
+    if(q->next == NULL)
     {
       Txbuffer[i].next = NULL;
     }
@@ -380,7 +381,7 @@ static err_t low_level_output(struct netif *netif, struct pbuf *p)
   pbuf_ref(p);
 
   HAL_ETH_Transmit_IT(&heth, &TxConfig);
-  while (osSemaphoreWait(TxPktSemaphore, TIME_WAITING_FOR_INPUT) != osOK)
+  while(osSemaphoreWait(TxPktSemaphore, TIME_WAITING_FOR_INPUT)!=osOK)
 
   {
   }
@@ -397,12 +398,12 @@ static err_t low_level_output(struct netif *netif, struct pbuf *p)
  * @param netif the lwip network interface structure for this ethernetif
  * @return a pbuf filled with the received packet (including MAC header)
  *         NULL on memory error
- */
-static struct pbuf *low_level_input(struct netif *netif)
+   */
+static struct pbuf * low_level_input(struct netif *netif)
 {
   struct pbuf *p = NULL;
 
-  if (RxAllocStatus == RX_ALLOC_OK)
+  if(RxAllocStatus == RX_ALLOC_OK)
   {
     HAL_ETH_ReadData(&heth, (void **)&p);
   }
@@ -419,26 +420,26 @@ static struct pbuf *low_level_input(struct netif *netif)
  *
  * @param netif the lwip network interface structure for this ethernetif
  */
-static void ethernetif_input(void const *argument)
+static void ethernetif_input(void const * argument)
 {
   struct pbuf *p = NULL;
-  struct netif *netif = (struct netif *)argument;
+  struct netif *netif = (struct netif *) argument;
 
-  for (;;)
+  for( ;; )
   {
     if (osSemaphoreWait(RxPktSemaphore, TIME_WAITING_FOR_INPUT) == osOK)
     {
       do
       {
-        p = low_level_input(netif);
+        p = low_level_input( netif );
         if (p != NULL)
         {
-          if (netif->input(p, netif) != ERR_OK)
+          if (netif->input( p, netif) != ERR_OK )
           {
             pbuf_free(p);
           }
         }
-      } while (p != NULL);
+      } while(p!=NULL);
     }
   }
 }
@@ -455,11 +456,12 @@ static err_t low_level_output_arp_off(struct netif *netif, struct pbuf *q, const
   err_t errval;
   errval = ERR_OK;
 
-  /* USER CODE BEGIN 5 */
+/* USER CODE BEGIN 5 */
 
-  /* USER CODE END 5 */
+/* USER CODE END 5 */
 
   return errval;
+
 }
 #endif /* LWIP_ARP */
 
@@ -522,13 +524,13 @@ err_t ethernetif_init(struct netif *netif)
 }
 
 /**
- * @brief  Custom Rx pbuf free callback
- * @param  pbuf: pbuf to be freed
- * @retval None
- */
+  * @brief  Custom Rx pbuf free callback
+  * @param  pbuf: pbuf to be freed
+  * @retval None
+  */
 void pbuf_free_custom(struct pbuf *p)
 {
-  struct pbuf_custom *custom_pbuf = (struct pbuf_custom *)p;
+  struct pbuf_custom* custom_pbuf = (struct pbuf_custom*)p;
   LWIP_MEMPOOL_FREE(RX_POOL, custom_pbuf);
 
   /* If the Rx Buffer Pool was exhausted, signal the ethernetif_input task to
@@ -557,19 +559,19 @@ u32_t sys_now(void)
 /* USER CODE END 6 */
 
 /**
- * @brief  Initializes the ETH MSP.
- * @param  ethHandle: ETH handle
- * @retval None
- */
+  * @brief  Initializes the ETH MSP.
+  * @param  ethHandle: ETH handle
+  * @retval None
+  */
 
-void HAL_ETH_MspInit(ETH_HandleTypeDef *ethHandle)
+void HAL_ETH_MspInit(ETH_HandleTypeDef* ethHandle)
 {
   GPIO_InitTypeDef GPIO_InitStruct = {0};
-  if (ethHandle->Instance == ETH)
+  if(ethHandle->Instance==ETH)
   {
-    /* USER CODE BEGIN ETH_MspInit 0 */
+  /* USER CODE BEGIN ETH_MspInit 0 */
 
-    /* USER CODE END ETH_MspInit 0 */
+  /* USER CODE END ETH_MspInit 0 */
     /* Enable Peripheral clock */
     __HAL_RCC_ETH_CLK_ENABLE();
 
@@ -587,21 +589,21 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *ethHandle)
     PB12     ------> ETH_TXD0
     PB13     ------> ETH_TXD1
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
+    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
     HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
 
-    GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7;
+    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
-    GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
+    GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
@@ -611,19 +613,19 @@ void HAL_ETH_MspInit(ETH_HandleTypeDef *ethHandle)
     /* Peripheral interrupt init */
     HAL_NVIC_SetPriority(ETH_IRQn, 5, 0);
     HAL_NVIC_EnableIRQ(ETH_IRQn);
-    /* USER CODE BEGIN ETH_MspInit 1 */
+  /* USER CODE BEGIN ETH_MspInit 1 */
 
-    /* USER CODE END ETH_MspInit 1 */
+  /* USER CODE END ETH_MspInit 1 */
   }
 }
 
-void HAL_ETH_MspDeInit(ETH_HandleTypeDef *ethHandle)
+void HAL_ETH_MspDeInit(ETH_HandleTypeDef* ethHandle)
 {
-  if (ethHandle->Instance == ETH)
+  if(ethHandle->Instance==ETH)
   {
-    /* USER CODE BEGIN ETH_MspDeInit 0 */
+  /* USER CODE BEGIN ETH_MspDeInit 0 */
 
-    /* USER CODE END ETH_MspDeInit 0 */
+  /* USER CODE END ETH_MspDeInit 0 */
     /* Peripheral clock disable */
     __HAL_RCC_ETH_CLK_DISABLE();
 
@@ -638,18 +640,18 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *ethHandle)
     PB12     ------> ETH_TXD0
     PB13     ------> ETH_TXD1
     */
-    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5);
+    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5);
 
-    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_7);
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7);
 
-    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13);
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13);
 
     /* Peripheral interrupt Deinit*/
     HAL_NVIC_DisableIRQ(ETH_IRQn);
 
-    /* USER CODE BEGIN ETH_MspDeInit 1 */
+  /* USER CODE BEGIN ETH_MspDeInit 1 */
 
-    /* USER CODE END ETH_MspDeInit 1 */
+  /* USER CODE END ETH_MspDeInit 1 */
   }
 }
 
@@ -657,10 +659,10 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef *ethHandle)
                        PHI IO Functions
 *******************************************************************************/
 /**
- * @brief  Initializes the MDIO interface GPIO and clocks.
- * @param  None
- * @retval 0 if OK, -1 if ERROR
- */
+  * @brief  Initializes the MDIO interface GPIO and clocks.
+  * @param  None
+  * @retval 0 if OK, -1 if ERROR
+  */
 int32_t ETH_PHY_IO_Init(void)
 {
   /* We assume that MDIO GPIO configuration is already done
@@ -674,25 +676,25 @@ int32_t ETH_PHY_IO_Init(void)
 }
 
 /**
- * @brief  De-Initializes the MDIO interface .
- * @param  None
- * @retval 0 if OK, -1 if ERROR
- */
-int32_t ETH_PHY_IO_DeInit(void)
+  * @brief  De-Initializes the MDIO interface .
+  * @param  None
+  * @retval 0 if OK, -1 if ERROR
+  */
+int32_t ETH_PHY_IO_DeInit (void)
 {
   return 0;
 }
 
 /**
- * @brief  Read a PHY register through the MDIO interface.
- * @param  DevAddr: PHY port address
- * @param  RegAddr: PHY register address
- * @param  pRegVal: pointer to hold the register value
- * @retval 0 if OK -1 if Error
- */
+  * @brief  Read a PHY register through the MDIO interface.
+  * @param  DevAddr: PHY port address
+  * @param  RegAddr: PHY register address
+  * @param  pRegVal: pointer to hold the register value
+  * @retval 0 if OK -1 if Error
+  */
 int32_t ETH_PHY_IO_ReadReg(uint32_t DevAddr, uint32_t RegAddr, uint32_t *pRegVal)
 {
-  if (HAL_ETH_ReadPHYRegister(&heth, DevAddr, RegAddr, pRegVal) != HAL_OK)
+  if(HAL_ETH_ReadPHYRegister(&heth, DevAddr, RegAddr, pRegVal) != HAL_OK)
   {
     return -1;
   }
@@ -701,15 +703,15 @@ int32_t ETH_PHY_IO_ReadReg(uint32_t DevAddr, uint32_t RegAddr, uint32_t *pRegVal
 }
 
 /**
- * @brief  Write a value to a PHY register through the MDIO interface.
- * @param  DevAddr: PHY port address
- * @param  RegAddr: PHY register address
- * @param  RegVal: Value to be written
- * @retval 0 if OK -1 if Error
- */
+  * @brief  Write a value to a PHY register through the MDIO interface.
+  * @param  DevAddr: PHY port address
+  * @param  RegAddr: PHY register address
+  * @param  RegVal: Value to be written
+  * @retval 0 if OK -1 if Error
+  */
 int32_t ETH_PHY_IO_WriteReg(uint32_t DevAddr, uint32_t RegAddr, uint32_t RegVal)
 {
-  if (HAL_ETH_WritePHYRegister(&heth, DevAddr, RegAddr, RegVal) != HAL_OK)
+  if(HAL_ETH_WritePHYRegister(&heth, DevAddr, RegAddr, RegVal) != HAL_OK)
   {
     return -1;
   }
@@ -718,84 +720,84 @@ int32_t ETH_PHY_IO_WriteReg(uint32_t DevAddr, uint32_t RegAddr, uint32_t RegVal)
 }
 
 /**
- * @brief  Get the time in millisecons used for internal PHY driver process.
- * @retval Time value
- */
+  * @brief  Get the time in millisecons used for internal PHY driver process.
+  * @retval Time value
+  */
 int32_t ETH_PHY_IO_GetTick(void)
 {
   return HAL_GetTick();
 }
 
 /**
- * @brief  Check the ETH link state then update ETH driver and netif link accordingly.
- * @retval None
- */
+  * @brief  Check the ETH link state then update ETH driver and netif link accordingly.
+  * @retval None
+  */
 
-void ethernet_link_thread(void const *argument)
+void ethernet_link_thread(void const * argument)
 {
   ETH_MACConfigTypeDef MACConf = {0};
   int32_t PHYLinkState = 0;
   uint32_t linkchanged = 0U, speed = 0U, duplex = 0U;
 
-  struct netif *netif = (struct netif *)argument;
-  /* USER CODE BEGIN ETH link init */
+  struct netif *netif = (struct netif *) argument;
+/* USER CODE BEGIN ETH link init */
 
-  /* USER CODE END ETH link init */
+/* USER CODE END ETH link init */
 
-  for (;;)
+  for(;;)
   {
-    PHYLinkState = LAN8742_GetLinkState(&LAN8742);
+  PHYLinkState = LAN8742_GetLinkState(&LAN8742);
 
-    if (netif_is_link_up(netif) && (PHYLinkState <= LAN8742_STATUS_LINK_DOWN))
+  if(netif_is_link_up(netif) && (PHYLinkState <= LAN8742_STATUS_LINK_DOWN))
+  {
+    HAL_ETH_Stop_IT(&heth);
+    netif_set_down(netif);
+    netif_set_link_down(netif);
+  }
+  else if(!netif_is_link_up(netif) && (PHYLinkState > LAN8742_STATUS_LINK_DOWN))
+  {
+    switch (PHYLinkState)
     {
-      HAL_ETH_Stop_IT(&heth);
-      netif_set_down(netif);
-      netif_set_link_down(netif);
-    }
-    else if (!netif_is_link_up(netif) && (PHYLinkState > LAN8742_STATUS_LINK_DOWN))
-    {
-      switch (PHYLinkState)
-      {
-      case LAN8742_STATUS_100MBITS_FULLDUPLEX:
-        duplex = ETH_FULLDUPLEX_MODE;
-        speed = ETH_SPEED_100M;
-        linkchanged = 1;
-        break;
-      case LAN8742_STATUS_100MBITS_HALFDUPLEX:
-        duplex = ETH_HALFDUPLEX_MODE;
-        speed = ETH_SPEED_100M;
-        linkchanged = 1;
-        break;
-      case LAN8742_STATUS_10MBITS_FULLDUPLEX:
-        duplex = ETH_FULLDUPLEX_MODE;
-        speed = ETH_SPEED_10M;
-        linkchanged = 1;
-        break;
-      case LAN8742_STATUS_10MBITS_HALFDUPLEX:
-        duplex = ETH_HALFDUPLEX_MODE;
-        speed = ETH_SPEED_10M;
-        linkchanged = 1;
-        break;
-      default:
-        break;
-      }
-
-      if (linkchanged)
-      {
-        /* Get MAC Config MAC */
-        HAL_ETH_GetMACConfig(&heth, &MACConf);
-        MACConf.DuplexMode = duplex;
-        MACConf.Speed = speed;
-        HAL_ETH_SetMACConfig(&heth, &MACConf);
-        HAL_ETH_Start_IT(&heth);
-        netif_set_up(netif);
-        netif_set_link_up(netif);
-      }
+    case LAN8742_STATUS_100MBITS_FULLDUPLEX:
+      duplex = ETH_FULLDUPLEX_MODE;
+      speed = ETH_SPEED_100M;
+      linkchanged = 1;
+      break;
+    case LAN8742_STATUS_100MBITS_HALFDUPLEX:
+      duplex = ETH_HALFDUPLEX_MODE;
+      speed = ETH_SPEED_100M;
+      linkchanged = 1;
+      break;
+    case LAN8742_STATUS_10MBITS_FULLDUPLEX:
+      duplex = ETH_FULLDUPLEX_MODE;
+      speed = ETH_SPEED_10M;
+      linkchanged = 1;
+      break;
+    case LAN8742_STATUS_10MBITS_HALFDUPLEX:
+      duplex = ETH_HALFDUPLEX_MODE;
+      speed = ETH_SPEED_10M;
+      linkchanged = 1;
+      break;
+    default:
+      break;
     }
 
-    /* USER CODE BEGIN ETH link Thread core code for User BSP */
+    if(linkchanged)
+    {
+      /* Get MAC Config MAC */
+      HAL_ETH_GetMACConfig(&heth, &MACConf);
+      MACConf.DuplexMode = duplex;
+      MACConf.Speed = speed;
+      HAL_ETH_SetMACConfig(&heth, &MACConf);
+      HAL_ETH_Start_IT(&heth);
+      netif_set_up(netif);
+      netif_set_link_up(netif);
+    }
+  }
 
-    /* USER CODE END ETH link Thread core code for User BSP */
+/* USER CODE BEGIN ETH link Thread core code for User BSP */
+
+/* USER CODE END ETH link Thread core code for User BSP */
 
     osDelay(100);
   }
@@ -803,7 +805,7 @@ void ethernet_link_thread(void const *argument)
 
 void HAL_ETH_RxAllocateCallback(uint8_t **buff)
 {
-  /* USER CODE BEGIN HAL ETH RxAllocateCallback */
+/* USER CODE BEGIN HAL ETH RxAllocateCallback */
   struct pbuf_custom *p = LWIP_MEMPOOL_ALLOC(RX_POOL);
   if (p)
   {
@@ -820,12 +822,12 @@ void HAL_ETH_RxAllocateCallback(uint8_t **buff)
     RxAllocStatus = RX_ALLOC_ERROR;
     *buff = NULL;
   }
-  /* USER CODE END HAL ETH RxAllocateCallback */
+/* USER CODE END HAL ETH RxAllocateCallback */
 }
 
 void HAL_ETH_RxLinkCallback(void **pStart, void **pEnd, uint8_t *buff, uint16_t Length)
 {
-  /* USER CODE BEGIN HAL ETH RxLinkCallback */
+/* USER CODE BEGIN HAL ETH RxLinkCallback */
 
   struct pbuf **ppStart = (struct pbuf **)pStart;
   struct pbuf **ppEnd = (struct pbuf **)pEnd;
@@ -857,18 +859,19 @@ void HAL_ETH_RxLinkCallback(void **pStart, void **pEnd, uint8_t *buff, uint16_t
     p->tot_len += Length;
   }
 
-  /* USER CODE END HAL ETH RxLinkCallback */
+/* USER CODE END HAL ETH RxLinkCallback */
 }
 
-void HAL_ETH_TxFreeCallback(uint32_t *buff)
+void HAL_ETH_TxFreeCallback(uint32_t * buff)
 {
-  /* USER CODE BEGIN HAL ETH TxFreeCallback */
+/* USER CODE BEGIN HAL ETH TxFreeCallback */
 
   pbuf_free((struct pbuf *)buff);
 
-  /* USER CODE END HAL ETH TxFreeCallback */
+/* USER CODE END HAL ETH TxFreeCallback */
 }
 
 /* USER CODE BEGIN 8 */
 
 /* USER CODE END 8 */
+
diff --git a/User/application/inc/tcpserverc.h b/User/application/inc/tcpserverc.h
index 25f4725..b3e7eb9 100644
--- a/User/application/inc/tcpserverc.h
+++ b/User/application/inc/tcpserverc.h
@@ -1,3 +1,11 @@
+/*
+ * @Author: wangxujie 390834610@qq.com
+ * @Date: 2025-02-19 08:33:14
+ * @LastEditors: wangxujie 390834610@qq.com
+ * @LastEditTime: 2025-04-18 13:36:18
+ * @FilePath: \Semi-finished product testing\User\application\inc\tcpserverc.h
+ * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
+ */
 #ifndef _TCPECHO_H_
 #define _TCPECHO_H_
 
diff --git a/User/application/src/tcpserverc.c b/User/application/src/tcpserverc.c
index 9c0efad..6cfcee9 100644
--- a/User/application/src/tcpserverc.c
+++ b/User/application/src/tcpserverc.c
@@ -370,7 +370,6 @@ void user_send_data_ble2(uint8_t *data, uint16_t len)
 
 void user_send_data_control(uint8_t *data, uint16_t len)
 {
-
     tcp_write(server_pcb_control, data, len, 1);
 }
 
diff --git a/development_environment.md b/development_environment.md
new file mode 100644
index 0000000..adf0795
--- /dev/null
+++ b/development_environment.md
@@ -0,0 +1,70 @@
+# 开发环境说明
+
+## 1. 硬件平台
+- 主控芯片：STM32F407xx系列（ARM Cortex-M4F内核）
+- 外设芯片：
+  - ADC：AD7124-8（高精度模拟量输入）
+  - DAC：DAC161S997（高精度模拟量输出）
+  - 以太网：LAN8742（网络通信）
+  - LCD：串口显示屏
+  - 编码器接口
+
+## 2. 开发工具
+### 主要IDE
+- Keil MDK-ARM (MDK-ARM目录存在)
+  - 项目文件：semi-finished_product_testing.uvprojx
+  - 编译配置：semi-finished_product_testing.uvoptx
+- Visual Studio Code (存在.vscode配置目录)
+  - 用于代码编辑和查看
+
+### 编译工具
+- ARMCC编译器 (ARM编译工具链)
+- 启动文件：startup_stm32f407xx.s
+
+## 3. 软件框架
+### 操作系统
+- FreeRTOS实时操作系统
+  - 版本：位于Middlewares/Third_Party/FreeRTOS/Source/
+  - 配置文件：FreeRTOSConfig.h
+
+### 驱动库
+- STM32 HAL库 (Hardware Abstraction Layer)
+  - 位置：Drivers/STM32F4xx_HAL_Driver/
+  - 包含各种外设驱动
+
+### 网络协议栈
+- LwIP (Lightweight IP)
+  - 位置：Middlewares/Third_Party/LwIP/
+  - 支持TCP/IP协议
+  - MQTT支持
+
+### BSP支持
+- LAN8742网络驱动
+  - 位置：Drivers/BSP/Components/lan8742/
+
+## 4. 项目结构
+```
+项目主要目录：
+├── Core/                   # 核心应用代码
+├── Drivers/                # 驱动程序
+├── LWIP/                   # 网络协议栈
+├── MDK-ARM/                # Keil工程文件
+└── Middlewares/            # 中间件(FreeRTOS/LwIP)
+```
+
+## 5. 开发规范
+- 基于HAL库的驱动开发
+- FreeRTOS多任务架构
+- 模块化的设计结构
+- 标准C语言开发规范
+
+## 6. 调试方式
+- ST-Link/J-Link调试器支持
+- 串口调试
+- 以太网远程调试
+
+## 7. 项目文档
+位于Documents/目录：
+- 数据手册 (datasheet/)
+- 项目文档 (project documents/)
+- 原理图 (schematic diagram/)
\ No newline at end of file
diff --git a/semi-finished_product_testing.ioc b/semi-finished_product_testing.ioc
index 38066d7..d61edac 100644
--- a/semi-finished_product_testing.ioc
+++ b/semi-finished_product_testing.ioc
@@ -117,7 +117,7 @@ ETH.IPParameters=MediaInterface
 ETH.MediaInterface=HAL_ETH_RMII_MODE
 FREERTOS.FootprintOK=true
 FREERTOS.IPParameters=Tasks01,configMAX_TASK_NAME_LEN,configENABLE_FPU,configMAX_PRIORITIES,FootprintOK
-FREERTOS.Tasks01=lwip_task,2,512,start_tcp_task,Default,NULL,Dynamic,NULL,NULL;led_task,-2,128,start_led_toggle_task,Default,NULL,Dynamic,NULL,NULL;dac_task,0,512,start_dac_task,Default,NULL,Dynamic,NULL,NULL;adc_task,-1,128,start_adc_task,Default,NULL,Dynamic,NULL,NULL;gpio_di_do_task,0,128,start_gpio_di_do_task,Default,NULL,Dynamic,NULL,NULL;ec11_task,0,512,start_ec11_task,Default,NULL,Dynamic,NULL,NULL
+FREERTOS.Tasks01=lwip_task,2,512,start_tcp_task,Default,NULL,Dynamic,NULL,NULL;led_task,-2,128,start_led_toggle_task,Default,NULL,Dynamic,NULL,NULL;dac_task,0,512,start_dac_task,Default,NULL,Dynamic,NULL,NULL;adc_task,-1,128,start_adc_task,Default,NULL,Dynamic,NULL,NULL;gpio_di_do_task,0,128,start_gpio_di_do_task,Default,NULL,Dynamic,NULL,NULL;ec11_task,0,512,start_ec11_task,Default,NULL,Dynamic,NULL,NULL;uart_forwarding,3,512,start_uart_forwarding,Default,NULL,Dynamic,NULL,NULL
 FREERTOS.configENABLE_FPU=1
 FREERTOS.configMAX_PRIORITIES=32
 FREERTOS.configMAX_TASK_NAME_LEN=24
diff --git a/simple_flow_chart.md b/simple_flow_chart.md
new file mode 100644
index 0000000..6d2c972
--- /dev/null
+++ b/simple_flow_chart.md
@@ -0,0 +1,55 @@
+```mermaid
+graph TB
+    %% 主要流程
+    Start[系统启动] --> Init[系统初始化]
+    Init --> Tasks[任务创建]
+    
+    %% 主要任务分支
+    Tasks --> Network[网络通信]
+    Tasks --> DataAcq[数据采集]
+    Tasks --> DataOut[数据输出]
+    Tasks --> UserInterface[人机交互]
+    
+    %% 网络通信详细
+    Network --> |TCP/IP|RemoteControl[远程控制]
+    RemoteControl --> |命令|CommandProcess[命令处理]
+    RemoteControl --> |数据|DataUpload[数据上传]
+    
+    %% 数据采集详细
+    DataAcq --> |ADC|AnalogIn[模拟量输入]
+    DataAcq --> |GPIO|DigitalIn[数字量输入]
+    AnalogIn --> DataProcess[数据处理]
+    DigitalIn --> DataProcess
+    
+    %% 数据输出详细
+    DataOut --> |DAC|AnalogOut[模拟量输出]
+    DataOut --> |GPIO|DigitalOut[数字量输出]
+    CommandProcess --> DataOut
+    
+    %% 人机交互详细
+    UserInterface --> |LCD|Display[状态显示]
+    UserInterface --> |编码器|LocalControl[本地控制]
+    LocalControl --> DataOut
+    DataProcess --> Display
+    
+    %% 通信协议
+    subgraph 通信协议
+        HART[HART协议]
+        BLE[蓝牙通信]
+        TCP[TCP/IP]
+    end
+    
+    %% 硬件接口
+    subgraph 硬件接口
+        ADC[AD7124]
+        DAC[DAC161S997]
+        DIO[数字IO]
+        LCD[串口LCD]
+        ETH[以太网]
+        Encoder[编码器]
+    end
+    
+    %% 数据流向
+    DataProcess --> |测量数据|DataUpload
+    CommandProcess --> |控制命令|DataOut
+```
\ No newline at end of file