工业交流点焊机的缓升电流控制

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/*

功能: 工业交流点焊机的缓升电流控制-程序实现(C51)
注意：此函数要根据你的应用做少量改动
定义：

bSynClock 同步触发信号由中断提供

*/

BCD_Buf[1]：缓升设置,0-99
BCD_Buf[6]: 焊接1电流值,0-99
sbit WORK_LED  = P1^3;
sbit W1_LED    = P1^4;
sbit ALARM_LED = P1^5;
sbit W2_LED    = P1^6;
sbit RUN_LED   = P1^7;


sbit TR_INT0   = P3^2;         
sbit T_SW      = P3^3;            
sbit Weld_Out  = P3^5;           
sbit Gas_Out   = P3^6;            

*/


void SlowRise(void)
{
BCD_Buf[1] = BCD_Buf[1]*2;// 缓升
StepRise = BCD_Buf[6]/BCD_Buf[1];// current divide SlowRise
StepRise++;
WeldPoint = 0;
while(1)
{


if(BCD_Buf[1] == 0 || BCD_Buf[6] == 0)
break;


if(Start_SW)// if FootSW OFF,then Exit
{
TR0 = 0;
Weld_Out = 1;
W1_LED = 1;
RUN_LED = 1;
break;
}


RUN_LED = 0;
W1_LED = 0;


WeldPoint += StepRise;
Result = WeldData[WeldPoint];// get weld_data from table
do{

 }while(!bSynClock);// wait synchronization signal
bSynClock = 0;// reset
if(WeldPoint < BCD_Buf[6])// if less-than current,then continue run "SlowRise" 
{
TH0 = (uchar)(Result>>8);
TL0 = (uchar)Result;
TR0 = 1;
            ET0 = 1;
}
else
{
TR0 = 0;
            ET0 = 0;
Weld_Out = 1;
break;
}


}


}