增加上电检测电流误差

This commit is contained in:
sunbeam0529 2025-07-08 08:16:00 +08:00
parent 1b4971d3f3
commit 72ea368472

View File

@ -3,7 +3,9 @@
typedef enum
{
OUT_INIT = 0,
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;
P16 = ledState;
//ledState = !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[5] = InVoltage; // 输入电压L
SendBuffer[4] = InitError >> 8; // 输入电压H
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;
}
}
}
}