first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,154 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : lwns_broadcast_example.c
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2021/06/20
+ * Description        : broadcast，广播程序例子
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+#include "lwns_broadcast_example.h"
+
+//每个文件单独debug打印的开关，置0可以禁止本文件内部打印
+#define DEBUG_PRINT_IN_THIS_FILE    1
+#if DEBUG_PRINT_IN_THIS_FILE
+  #define PRINTF(...)    PRINT(__VA_ARGS__)
+#else
+  #define PRINTF(...) \
+    do                \
+    {                 \
+    } while(0)
+#endif
+
+//用户需要发送的数据缓冲区
+static uint8_t TX_DATA[10] =
+    {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39};
+
+static uint8_t  RX_DATA[10]; //用户接收数据的缓冲区
+static uint16_t lwns_broadcast_ProcessEvent(uint8_t task_id, uint16_t events);
+static void     broadcast_recv(lwns_controller_ptr ptr,
+                               const lwns_addr_t  *sender); //接收回调函数声明
+static void     broadcast_sent(lwns_controller_ptr ptr);   //发送回调函数声明
+
+static lwns_broadcast_controller broadcast; //广播控制结构体
+
+static uint8_t broadcast_taskID;
+
+/*********************************************************************
+ * @fn      broadcast_recv
+ *
+ * @brief   lwns broadcast接收回调函数
+ *
+ * @param   ptr     -   本次接收到的数据所属的广播控制结构体指针.
+ * @param   sender  -   本次接收到的数据的发送者地址指针.
+ *
+ * @return  None.
+ */
+static void broadcast_recv(lwns_controller_ptr ptr,
+                           const lwns_addr_t  *sender)
+{
+    uint8_t len;
+    len = lwns_buffer_datalen(); //获取当前缓冲区接收到的数据长度
+    if(len == 10)
+    {
+        lwns_buffer_save_data(RX_DATA); //接收数据到用户数据区域
+        PRINTF("broadcast %d rec from %02x %02x %02x %02x %02x %02x\n", get_lwns_object_port(ptr),
+               sender->v8[0], sender->v8[1], sender->v8[2], sender->v8[3],
+               sender->v8[4], sender->v8[5]); //打印出本次消息的发送者地址
+        PRINTF("data:");
+        for(uint8_t i = 0; i < len; i++)
+        {
+            PRINTF("%02x ", RX_DATA[i]); //打印数据
+        }
+        PRINTF("\n");
+    }
+    else
+    {
+        PRINTF("data len err\n");
+    }
+}
+
+/*********************************************************************
+ * @fn      broadcast_sent
+ *
+ * @brief   lwns broadcast发送完成回调函数
+ *
+ * @param   ptr     -   本次发送完成的广播控制结构体指针.
+ *
+ * @return  None.
+ */
+static void broadcast_sent(lwns_controller_ptr ptr)
+{
+    PRINTF("broadcast %d sent\n", get_lwns_object_port(ptr)); //打印发送完成信息
+}
+
+/**
+ * lwns广播回调函数结构体，注册回调函数
+ */
+static const struct lwns_broadcast_callbacks broadcast_call = {
+    broadcast_recv, broadcast_sent};
+
+/*********************************************************************
+ * @fn      lwns_broadcast_process_init
+ *
+ * @brief   lwns broadcast例程初始化.
+ *
+ * @param   None.
+ *
+ * @return  None.
+ */
+void lwns_broadcast_process_init(void)
+{
+    broadcast_taskID = TMOS_ProcessEventRegister(lwns_broadcast_ProcessEvent);
+    lwns_broadcast_init(&broadcast, 136, &broadcast_call); //打开一个端口号为136的广播端口，注册回调函数
+    tmos_start_task(broadcast_taskID, BROADCAST_EXAMPLE_TX_PERIOD_EVT,
+                    MS1_TO_SYSTEM_TIME(1000)); //开始周期性广播任务
+}
+
+/*********************************************************************
+ * @fn      lwns_broadcast_ProcessEvent
+ *
+ * @brief   lwns broadcast Task event processor.  This function
+ *          is called to process all events for the task.  Events
+ *          include timers, messages and any other user defined events.
+ *
+ * @param   task_id - The TMOS assigned task ID.
+ * @param   events - events to process.  This is a bit map and can
+ *                   contain more than one event.
+ *
+ * @return  events not processed.
+ */
+uint16_t lwns_broadcast_ProcessEvent(uint8_t task_id, uint16_t events)
+{
+    if(events & BROADCAST_EXAMPLE_TX_PERIOD_EVT)
+    {
+        uint8_t temp;
+        temp = TX_DATA[0];
+        for(uint8_t i = 0; i < 9; i++)
+        {
+            TX_DATA[i] = TX_DATA[i + 1]; //移位发送数据，以便观察效果
+        }
+        TX_DATA[9] = temp;
+        lwns_buffer_load_data(TX_DATA, sizeof(TX_DATA)); //载入需要发送的数据到缓冲区
+        lwns_broadcast_send(&broadcast);                 //广播发送数据
+        tmos_start_task(broadcast_taskID, BROADCAST_EXAMPLE_TX_PERIOD_EVT,
+                        MS1_TO_SYSTEM_TIME(1000)); //周期性发送
+
+        return events ^ BROADCAST_EXAMPLE_TX_PERIOD_EVT;
+    }
+    if(events & SYS_EVENT_MSG)
+    {
+        uint8_t *pMsg;
+
+        if((pMsg = tmos_msg_receive(task_id)) != NULL)
+        {
+            // Release the TMOS message
+            tmos_msg_deallocate(pMsg);
+        }
+        // return unprocessed events
+        return (events ^ SYS_EVENT_MSG);
+    }
+    return 0;
+}