增加上电检测电流误差

app_code/main.c

@@ -4,6 +4,8 @@
 typedef enum
 {
     OUT_INIT=0,
+    OUT_CELI,
+    OUT_START,
     OUT_RUNNING,
     OUT_AUTOSTOP,
     OUT_ERR,
@@ -106,7 +108,7 @@ bit AcqInitFlag = 0;
 bit AD_Refresh = 0;
 bit Save_Flag = 0;
 
-bit PWM_ON_EN = 0;
+bit STOP_FLAG = 0;
 
 unsigned char xdata Rxbuff[20];
 unsigned char xdata aRxBufferTemp = 0;
@@ -185,7 +187,7 @@ float xdata OutGain = 0;           // 输出增益调节
 
 // new
 OUTSTATE_t xdata OutPutState;
-unsigned int xdata InitTimeCnt;
+unsigned int xdata InitTimeCnt,ErrTimeCnt;
 unsigned int xdata TimeBaseCnt, TimeBaseCntLast;
 bit ledState;
 unsigned int xdata TargetCurrent;
@@ -197,7 +199,7 @@ void main()
     PWM_Init();
     UART1_Init();
     ADC_Init();
-
+    P25 = 0;
     ES = 1;
     EA = 1;
     UartCnt = 0;
@@ -210,7 +212,7 @@ void main()
     Delay10ms();
     Delay10ms();
 
-    EEPROM_read_n(IAP_ADDRESS, TableRead, 18); // 从EEPROM读取数据
+    EEPROM_read_n(IAP_ADDRESS, TableRead, 4); // 从EEPROM读取数据
     if (TableRead[0] == 0x55 && TableRead[1] == 0xaa)
     {
         TargetCurrent = (TableRead[2] << 8) + TableRead[3];
@@ -242,17 +244,18 @@ void main()
     AcqError = 100;
     OutSet = 10000;
     DisSet = 16146;
-
+    InitError = 0;
     OutGain = (float)OutSet / 10000;
 
     CalibrationVoltage = SetVoltage;
-    PWM_TO_DAC(5000, (unsigned int)(CalibrationVoltage * OutGain) + (unsigned int)IA); // 供电电压为：5000MV，负载端输出电压为：CalibrationVoltage，单片机口输出电压为：SetOutVoltage/3
+    //PWM_TO_DAC(5000, (unsigned int)(CalibrationVoltage * OutGain) + (unsigned int)IA); // 供电电压为：5000MV，负载端输出电压为：CalibrationVoltage，单片机口输出电压为：SetOutVoltage/3
 
     AcqInitCnt = 0;
     InitTimeCnt = 0;
     TimeBaseCnt = 0;
     TimeBaseCntLast = 0;
     OutPutState = OUT_INIT;
+    ErrTimeCnt = 0;
 
     while (1)
     {
@@ -270,8 +273,8 @@ void main()
             }
             if (TimeBaseCntLast % 1000 == 0)
             {
-                ledState = !ledState;
+                //ledState = !ledState;
-                P16 = ledState;
+                //P16 = ledState;
             }
             if (TimeBaseCnt >= 10000)
             {
@@ -302,25 +305,82 @@ void OutPutCtrl(void)
     switch (OutPutState)
     {
     case OUT_INIT:
-        PWM_TO_DAC(5000, 1000);
+        PWM_TO_DAC(5000, 0);
+        P25 = 0;
         InitTimeCnt++;
         if (InitTimeCnt > 100)
+        {
+            InitTimeCnt = 0;
+            OutPutState = OUT_CELI;
+            InitError = 0;
+        }
+        break;
+    case OUT_CELI:
+        PWM_TO_DAC(5000, 0);
+        InitTimeCnt++;
+        InitError += OutCurrent;
+        if (InitTimeCnt >= 10)
+        {
+            InitError /= 10;
+            InitTimeCnt = 0;
+            OutPutState = OUT_START;
+            OutputVol = 500;
+        }
+        if (OutCurrent > 30000)
+        {
+            ErrTimeCnt++;
+            if (ErrTimeCnt > 3)
+            {
+                OutPutState = OUT_ERR;
+            }
+            
+        }
+        else
+        {
+            ErrTimeCnt = 0;
+        }
+
+        break;
+    case OUT_START:
+        PWM_TO_DAC(5000, OutputVol);
+        InitTimeCnt++;
+        if (InitTimeCnt > 40)
         {
             InitTimeCnt = 0;
             OutPutState = OUT_RUNNING;
-            OutputVol = 1000;
+        }
+        if (OutCurrent > 30000)
+        {
+            ErrTimeCnt++;
+            if (ErrTimeCnt > 50)//500ms
+            {
+                OutPutState = OUT_ERR;
+            }
+            
+        }
+        else
+        {
+            ErrTimeCnt = 0;
         }
 
         break;
     case OUT_RUNNING:
-        if (OutCurrent > TargetCurrent + 20)
+        if (OutCurrent > InitError)
+        {
+            OutCurrent -= InitError;
+        }
+        else
+        {
+            OutCurrent = 0;
+        }
+        if (OutCurrent > TargetCurrent + 10)
         {
             if (OutputVol > 100)
             {
                 OutputVol--;
             }
         }
-        else if (OutCurrent < TargetCurrent - 20)
+        else if (OutCurrent < TargetCurrent - 10)
         {
             if (OutputVol < 5000)
             {
@@ -328,19 +388,42 @@ void OutPutCtrl(void)
             }
         }
         PWM_TO_DAC(5000, OutputVol);
+        if (OutCurrent >= 100 && OutCurrent <= 10000)
+        {
+            LED_ON;
+        }
+        else
+        {
+            LED_OFF;
+        }
+        if (OutCurrent > 30000)
+        {
+            ErrTimeCnt++;
+            if (ErrTimeCnt > 50)//500ms
+            {
+                OutPutState = OUT_ERR;
+            }
+            
+        }
+        else
+        {
+            ErrTimeCnt = 0;
+        }
+        
         break;
     case OUT_AUTOSTOP:
         break;
     case OUT_ERR:
+        LED_OFF;
         break;
     default:
         break;
     }
 }
 
-void turnOFFOutput(void)
+void  (void)
 {
-    PWM_ON_EN = 1;
+    STOP_FLAG = 1;
     Shut_Hour = 0;
     Shut_Min = 0;
     Shut_Sec = 0;
@@ -352,7 +435,7 @@ void turnOFFOutput(void)
 
 void AutoAction(void)
 {
-    if (PWM_ON_EN == 0) // PWM输出使能
+    if (STOP_FLAG == 0) // PWM输出使能
     {
         if (AcqVolatage >= Limitvoltage) // 采集电压大于1500mV,或电流小于0.5mA，关闭输出
         {
@@ -1542,8 +1625,8 @@ void UartSendData(void)
 
                 SendBuffer[2] = RunTime >> 8;    // 运行时间H
                 SendBuffer[3] = RunTime;         // 运行时间L
-                SendBuffer[4] = InVoltage >> 8;  // 输入电压H
+                SendBuffer[4] = InitError >> 8;  // 输入电压H
-                SendBuffer[5] = InVoltage;       // 输入电压L
+                SendBuffer[5] = InitError;       // 输入电压L
                 SendBuffer[6] = OutVoltage >> 8; // 输出电压H
                 SendBuffer[7] = OutVoltage;      // 输出电压L
                 SendBuffer[8] = OutCurrent >> 8; // 输出电流H
@@ -1637,7 +1720,7 @@ void TM0_Isr() interrupt 1 using 1
     AcqInitCnt++;
     TimeBaseCnt++;
     /***  新增2019-11-14  ***/
-    if (PWM_ON_EN)
+    if (STOP_FLAG)
     {
         Shut_MS++;
         if (Shut_MS >= 1000)
@@ -1654,7 +1737,7 @@ void TM0_Isr() interrupt 1 using 1
 
     if (Shut_Min >= 180) // 大于3小时，恢复工作
     {
-        PWM_ON_EN = 0;
+        STOP_FLAG = 0;
         Shut_Hour = 0;
         Shut_Min = 0;
         Shut_Sec = 0;
@@ -1681,13 +1764,6 @@ void TM0_Isr() interrupt 1 using 1
             {
                 Time_Min = 0;
                 RunTime++;
-
-                Save_Cnt++;
-                if ((Save_Cnt > 0) && ((Save_Cnt % 5) == 0))
-                {
-                    Save_Flag = 1; // 运行参数1个小时保存一次
-                    Save_Cnt = 0;
-                }
             }
         }
     }