暂存

APP/peripheral.c

@@ -33,6 +33,8 @@
 #undef LOG_TAG
 #define LOG_TAG "peripheral"
 
+ volatile uint8_t mtu_flag = 0;
+
 /*********************************************************************
  * MACROS
  */
@@ -51,7 +53,7 @@
 #define SBP_PARAM_UPDATE_DELAY (1600 * 1)
 
 // PHY update delay
-#define SBP_PHY_UPDATE_DELAY (1600 * 1)
+#define SBP_PHY_UPDATE_DELAY (1600 * 2)
 
 // What is the advertising interval when device is discoverable (units of 625us, 80=50ms)
 #define DEFAULT_ADVERTISING_INTERVAL (160 * 10)
@@ -205,8 +207,6 @@ void Peripheral_Init()
 {
     Peripheral_TaskID = TMOS_ProcessEventRegister(Peripheral_ProcessEvent);
 
-    GATT_InitClient();
-
     // Setup the GAP Peripheral Role Profile
     {
         // 开启广播使能
@@ -291,6 +291,9 @@ void Peripheral_Init()
 
     // Setup a delayed profile startup
     tmos_set_event(Peripheral_TaskID, SBP_START_DEVICE_EVT);
+
+    // https://www.cnblogs.com/ZYL-FS/p/18061479
+    GATT_InitClient();
 }
 
 /*********************************************************************
@@ -345,10 +348,6 @@ uint16_t Peripheral_ProcessEvent(uint8_t task_id, uint16_t events)
     {
         // Start the Device
         GAPRole_PeripheralStartDevice(Peripheral_TaskID, &Peripheral_BondMgrCBs, &Peripheral_PeripheralCBs);
-        // Update MTU
-        // attExchangeMTUReq_t req = {.clientRxMTU = BLE_BUFF_MAX_LEN - 4,};
-        // GATT_ExchangeMTU(peripheralConnList.connHandle, &req, Peripheral_TaskID);
-        // Peripheral_SetMacName();
 
         return (events ^ SBP_START_DEVICE_EVT);
     }
@@ -457,6 +456,7 @@ static void Peripheral_ProcessTMOSMsg(tmos_event_hdr_t *pMsg)
             if (pMsgEvent->method == ATT_MTU_UPDATED_EVENT)
             {
                 peripheralMTU = pMsgEvent->msg.exchangeMTUReq.clientRxMTU;
+                mtu_flag = 1;
                 logDebug("****mtu exchange: %d****", pMsgEvent->msg.exchangeMTUReq.clientRxMTU);
             }
             break;
@@ -492,8 +492,8 @@ static void Peripheral_LinkEstablished(gapRoleEvent_t *pEvent)
         peripheralConnList.connInterval     = event->connInterval;
         peripheralConnList.connSlaveLatency = event->connLatency;
         peripheralConnList.connTimeout      = event->connTimeout;
-        // peripheralMTU                       = ATT_MTU_SIZE;
+        peripheralMTU                       = ATT_MTU_SIZE;
-        peripheralMTU = BLE_BUFF_MAX_LEN - 4;
+        // peripheralMTU = BLE_BUFF_MAX_LEN - 4;
         // Set timer for periodic event
         tmos_start_task(Peripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD);
 
@@ -503,6 +503,10 @@ static void Peripheral_LinkEstablished(gapRoleEvent_t *pEvent)
         // Start read rssi
         tmos_start_task(Peripheral_TaskID, SBP_READ_RSSI_EVT, SBP_READ_RSSI_EVT_PERIOD);
 
+        // https://www.cnblogs.com/ZYL-FS/p/17759138.html
+        // 使能通知
+        enable_notify(peripheralConnList.connHandle, ENABLE);
+
         logDebug("Conn %x - Int %x= %.1fms", event->connectionHandle, event->connInterval, event->connInterval * 1.25);
     }
 }
@@ -535,6 +539,8 @@ static void Peripheral_LinkTerminated(gapRoleEvent_t *pEvent)
             // uint8_t init_adv_channel_map = GAP_ADVCHAN_ALL ;
             // GAPRole_SetParameter( GAPROLE_ADV_CHANNEL_MAP, sizeof( uint8_t ), &init_adv_channel_map);
 
+            mtu_flag = 0;
+
             uint8_t advertising_enable = TRUE;
             GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8_t), &advertising_enable);
         }
@@ -625,6 +631,12 @@ static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEven
             {
                 Peripheral_LinkEstablished(pEvent);
                 logDebug("Connected..");
+
+                // 在蓝牙建立连接之后，调用 GATT ExchangeMTU 来修改 MTU 的值
+                // Update MTU
+                attExchangeMTUReq_t req = {.clientRxMTU = BLE_BUFF_MAX_LEN - 4,};
+                GATT_ExchangeMTU(peripheralConnList.connHandle, &req, Peripheral_TaskID);
+                // Peripheral_SetMacName();
             }
             break;
 
@@ -687,14 +699,10 @@ static void peripheralStateNotificationCB(gapRole_States_t newState, gapRoleEven
  */
 static void performPeriodicTask(void)
 {
-    // static uint8_t counter = 0;
+    if (mtu_flag)
-    // uint8_t notiData[SIMPLEPROFILE_CHAR4_LEN] = {0x11, 0x22, 0x33, 0x44, 0};
+    {
-    // notiData[4] = counter;
+        // 温度
-    // // peripheralChar4Notify(notiData, SIMPLEPROFILE_CHAR4_LEN);
+        uint32_t countadc             = 0;
-    // peripheralChar4Notify(notiData, 5);
-    // counter++;
-
-#if 1
         // VBAT
         uint32_t CountBat = 0;
         uint16_t adcBuff[40];
@@ -722,7 +730,7 @@ static void performPeriodicTask(void)
         logDebug("min_number = %d, max_number = %d", min_number, max_number);
         CountBat = (CountBat - min_number - max_number) / 18; // 删除最小与最大值
         logDebug("AverageCountBat = %d", CountBat);
-#endif
+
 
         int ret;
 
@@ -749,6 +757,7 @@ static void performPeriodicTask(void)
         //        humi = 0;
         //    }
         peripheralChar4Notify(&RawData.buf[0], RawData.len);
+    }
 }
 
 /*********************************************************************
@@ -779,8 +788,11 @@ static void peripheralChar4Notify(uint8_t *pValue, uint16_t len)
             logError("Noti Err");
             GATT_bm_free((gattMsg_t *)&noti, ATT_HANDLE_VALUE_NOTI);
         }
+        else
+        {
             logDebug("Noti Success");
         }
+    }
 }
 
 /*********************************************************************
@@ -879,6 +891,9 @@ static void simpleProfileChangeCB(uint8_t paramID, uint8_t *pValue, uint16_t len
     }
 }
 
+
+
+
 #if 0
 
 

APP/peripheral_main.c

@@ -44,18 +44,18 @@ void app_task_handler(TeAppEvtType app_evt_type)
     switch(app_evt_type)
     {
     case kKeyShort:{
-        logDebug("button short press\r\n");
+        logDebug("button short press");
         break;
     }
     case kKeyLong:
-        logDebug("button long press\r\n");
+        logDebug("button long press");
 
         break;
     case kKeyRelease:
         // BSP_KEY_EnterLowpower();
-        DelayMs(10);
+        // DelayMs(10);
         BSP_RequestSleep();
-        logDebug("gpio relase;BSP_RequestSleep\r\n");
+        logDebug("gpio relase;BSP_RequestSleep");
 
         break;
     default:

Profile/gattprofile.c

@@ -726,5 +726,25 @@ static void simpleProfile_HandleConnStatusCB(uint16_t connHandle, uint8_t change
     }
 }
 
+
+//定义使能通知函数（connection_handle连接句柄，表示要进行操作的连接）
+uint8_t enable_notify(uint16_t connection_handle, uint8_t enable)
+{
+    uint16_t cccd = 0;   //定义一个变量cccd，特征的配置值
+    //判断是否使能通知
+    if(enable)   //使能
+    {
+        cccd |= GATT_CLIENT_CFG_NOTIFY;  //将cccd置为使能通知的值
+    }
+
+    else
+    {
+        cccd &= ~GATT_CLIENT_CFG_NOTIFY;  //不使能，将cccd置为禁止通知的值
+    }
+    return GATTServApp_WriteCharCfg( connection_handle, simpleProfileChar4Config, cccd);  //将特征配置值写入到连接句柄，以实现通知的使能或禁用
+}
+
+
+
 /*********************************************************************
 *********************************************************************/

Profile/include/gattprofile.h

@@ -125,6 +125,9 @@ extern bStatus_t SimpleProfile_GetParameter(uint8_t param, void *value);
  */
 extern bStatus_t simpleProfile_Notify(uint16_t connHandle, attHandleValueNoti_t *pNoti);
 
+
+extern uint8_t enable_notify(uint16_t connection_handle, uint8_t enable);
+
 /*********************************************************************
 *********************************************************************/