TMS320F28035 RESET ?

kuo dowsheng

Intellectual 370 points

Hello:

A strange problem need help !!

Step by Step :

1.first .my program perform Program is correctly base on the CCS4 Debug Mode (Flash).

2.all Power off and Remove The XDS100V2 from Target Board .

3.Turn on Target Board Power to run 28035 in Stand-alone mode .then 28035 Can Reset and Perform program but not correctly.

it can detect A/D Voltage to starting motor but can't detect A/D Voltage to stop motor .

As this tme. if I pull down XRS PIN to ground Manual after it's Correctly work . (can start & stop motor by A/D Value detect )

4.repeat 3rd step that always occur. why ? Bootloader ? BOR ? ....

over 14 years ago

0 SBhushan over 14 years ago

Intellectual 360 points

There seem to be a few ADC related errata for your processor (http://www.ti.com/lit/er/sprz295g/sprz295g.pdf).

See if any of the suggested workarounds solve your problem.

0 Manoj Santha Mohan over 14 years ago in reply to SBhushan

TI__Guru 55700 points

Kuo Dowsheng,

I am not sure whether I got your questions, so let me try to re-pharse it. Please let me know whether I got it right by answering these questions

You are able to program flash successfully.
You run the device standalone in boot to flash mode.
When the device is run standalone after flash programming, you see an unexpected device reset
Are you using internal VREG in the device?

Regards,

Manoj

0 kuo dowsheng over 14 years ago in reply to Manoj Santha Mohan

Intellectual 370 points

Manoj:

Thank you for your answer.

hope this can let you understand My problem .

You are able to program flash successfully.
YES, Use CCS4 to program flash 28035 successfully.
You run the device standalone in boot to flash mode.
YES. (try float GPIO34 & GPIO37 or pull they to VCC3.3V are same result. )
When the device is run standalone after flash programming, you see an unexpected device reset
NO, it can reset itself , why I think so ? ,because 28035 can detect a A/D CHENNEL to run a motor but can't detect same A/D CHENNEL to stop.
in same time if I connect XRS ping to ground ( about 0.5S Manual) after it can start motor and stop.
Are you using internal VREG in the device?
YES ,

Best Regards

Dowsheng.

0 Manoj Santha Mohan over 14 years ago in reply to kuo dowsheng

TI__Guru 55700 points

Dowsheng,

Unfortunately, I am have not understood your problem.

Please clarify this statement "NO, it can reset itself" (Do you see an unexpected RESET? (or) do you know the source of reset).

Also, I am not sure how the reset issue and ADC are tied from your system perspective.

Please use the procedure below to download the BOOT ROM contents and send the file.

BOOT ROM start address : 0x3FE000

Length = 0x2000

4621.How to do a flash dump using CCS4v.doc

Regards,

Manoj

0 kuo dowsheng over 14 years ago in reply to Manoj Santha Mohan

Intellectual 370 points

Manoj:

here is my flash file :

5428.my.txt

please check it .

thank you verymuch

Best Regards

dowsheng.

0 Manoj Santha Mohan over 14 years ago in reply to kuo dowsheng

TI__Guru 55700 points

Dowsheng,

Your BOOT ROM code is fine. Can you please clarify your question?

Regards,

Manoj

0 kuo dowsheng over 14 years ago in reply to Manoj Santha Mohan

Intellectual 370 points

Manoj:

Detailed description of the following :

1.First of all A/D module is triggered by the two methods ( 1. force by software 2. PWM1 interrupt )

2.Motor starts and stops by the same channel A/D value detect.

when the A/D value is greater than 400 motor start and motor stop is less than 300.

Normal operation as follows:

methods 1:

1. forces the XRS pin Connected to ground still 2 seconds or more (it's must grand than 2 seconds or more )

2. turn Power on

3.Let Motor control - A/D channel Result value up to 400 then Motor start run.

4.wait for 5 seconds after Let same A/D channel value down to 300 then Motor Stop.

methods 2:

1. Power on

2. wait 3 seconds. (it's must grand than 3 seconds or more )

3. forces the XRS pin Connected to ground still 0.5 seconds or more.

4.Let Motor control A/D channel Result value up to 400 then Motor start run.

5.wait for 5 seconds after Let same A/D channel value down to 300 then Motor Stop.

=======================================================================

Abnormal operation is as follows:

1.Power on

2.wait 3 seconds or more

3.Let Motor control A/D channel value up to 400 then Motor start running at fix speed.(Auto running at 6K rpm about )

4.wait for 5 seconds after Let same A/D channel Result value down to 300 then Motor can't Stop. still running at 6Krpm

5.want stop motor must be turn power off or RESET 28035 only .

If you still do not understand. it is because of my Poor English .I Post a part of source Code

hope you can understand. thank you verymuch.

Fullscreen 0181.for -TI -code.txt Download

  /* =================================================================================
System Name:  	HVPM_Sensorless

File Name:	  	HVPM_Sensorless.C

Description:	Primary system file for the Real Implementation of Sensorless  
          		Field Orientation Control for Three Phase Permanent-Magnet
          		Synchronous Motor (PMSM) 

Originator:		Digital control systems Group - Texas Instruments

Note: In this software, the default inverter is supposed to be HVDMC board. 
====================================================================================
 History:
-------------------------------------------------------------------------------------
 10-9-2010	Version 1.1: Supports F2803x 
=====================================================================================  */

// Include header files used in the main function

#include "PeripheralHeaderIncludes.h"
#include "IQmathLib.h"
#include "HVPM_Sensorless.h"
#include "HVPM_Sensorless-Settings.h"
#include <math.h>

// F28035_RAM_HVPM_Sensorless.CMD
// PAGE0 RAMM0	   : origin = 0x000050,	length = 0x0003B0
// ramfuncs         : > RAMM0, PAGE = 0
  
#ifdef FLASH
#pragma CODE_SECTION(PWM1_Interrupt,"ramfuncs"); //�b.cmd��󤤹�MainISR��Ƭq�i���W���z�a�}�M�g
#pragma CODE_SECTION(U1RX_Interrupt,"ramfuncs"); //�b.cmd��󤤹�U1RX_Interrupt��Ƭq�i���W���z�a�}�M�g
#pragma CODE_SECTION(T0_Interrupt,"ramfuncs");   //�b.cmd��󤤹�T1_Interrupt��Ƭq�i���W���z�a�}�M�g


// Prototype statements for functions found within this file.

interrupt void PWM1_Interrupt(void);
interrupt void U1RX_Interrupt(void);
interrupt void T0_Interrupt(void);
interrupt void T1_Interrupt(void);
interrupt void T2_Interrupt(void);

void DeviceInit();
void MemCopy();
void InitFlash();
void HVDMC_Protection(void);
void init_Module(void);
void Pressure_calculate(void);
void TransCMD_Data(void);
void TransmitUART(unsigned char *data);
void Reload_ReceiverData(void);

// �Ω�bFLASH �I���B��M�bRAM �� ISR
// F28035_RAM_HVPM_Sensorless.CMD
// PAGE0 RAMM0	: origin = 0x000050,	length = 0x0003B0
// ramfuncs       : > RAMM0, PAGE = 0  

extern Uint16 *RamfuncsLoadStart, *RamfuncsLoadEnd, *RamfuncsRunStart;


void main(void)
{
   DeviceInit();	

// Device Life support & GPIO		
// HVPM_Sensorless-DevInit_F2803x.c
//  ADC CALIBRATION  , PERIPHERAL CLOCK ENABLES , 
// Only used if running from FLASH
// Note that the variable FLASH is defined by the compiler

#ifdef FLASH
// Copy time critical code and Flash setup code to RAM
// The  RamfuncsLoadStart, RamfuncsLoadEnd, and RamfuncsRunStart
// symbols are created by the linker. Refer to the linker files. 
	MemCopy(&RamfuncsLoadStart, &RamfuncsLoadEnd, &RamfuncsRunStart);
// HVPM_Sensorless-DevInit_F2803x.c
// Call Flash Initialization to setup flash waitstates
// This function must reside in RAM
	InitFlash();	// Call the flash wrapper init function
	                // HVPM_Sensorless-DevInit_F2803x.c
#endif   //(FLASH)

init_Module();

for(;;)  //infinite loop
 { 	
 	 ByteCTL.disp_rpm.all= desireSpeed;
     Pressure_calculate(); 
     
     if ((lsw ==2 && stall_check_EN == 1) && (Disp.DR_Byte_Old != Disp.DR_Byte))
         {  
 		   Soft_stop = 1;
 		 }
     
 	if (ByteCTL.Kgf_cm2.all== 0 ){ 	              //Stop motor entry point in here . ByteCTL.Kgf_cm2.all value is load from calculate( );
 		
 		if (lsw == 2 && stall_check_EN == 1 )
 		{ Soft_stop = 1;}
 		
 		if (lsw == 1 && stall_check_EN == 0)
 		{  
 	    Soft_stop = 0;
 		TRANS_delayCount=0;		
 		SpeedRpm_Check=0;
 		Charge_Volt = _IQ(0.0900);
 		Pre_desireSpeed = 0;
 	    stall_check_EN = 0;
	    smo1.Kslf = _IQ(0.0060);
	    Pre_CMS = 0;
	    CMS = 1; 
	    Sprint = 1;	   
	    Stable_Spd_Count = 0; 
	    IER = 0;	     
 		PieCtrlRegs.PIEIER3.bit.INTx1 = 0;
		SpeedRef = _IQ(0);
		EPwm4Regs.CMPA.half.CMPA =0;
		EPwm3Regs.CMPA.half.CMPA =0;
		EPwm2Regs.CMPA.half.CMPA =0;
		EPwm1Regs.CMPA.half.CMPA =0;
		EPwm4Regs.AQCTLA.all=0x0555;
		EPwm4Regs.AQCTLB.all=0x0555;
		EPwm3Regs.AQCTLA.all=0x0555;
		EPwm3Regs.AQCTLB.all=0x0555;
		EPwm2Regs.AQCTLA.all=0x0555;
		EPwm2Regs.AQCTLB.all=0x0555;
		EPwm1Regs.AQCTLA.all=0x0555;
		EPwm1Regs.AQCTLB.all=0x0555;
 		Start_motor = 0;
 		Restart_Flag = 0;
 		init_Module(); 			       // re call init_Modele()again to set A/D trig  by Force software 
 		}	
 	}
 	while(Start_motor == 0){		       // when motor stop. keep run this while loop and check ByteCTL.Kgf_cm2.all value
 		  if (AdcRegs.ADCSOCFLG1.all == 0){    // check all SOCx are No sample pending then
 		      AdcRegs.ADCSOCFRC1.all = 0x01ff; // Use Software Force trig SOC0~SOC8 to Convert
 		     }
 		   ByteCTL.disp_rpm.all= desireSpeed;  //load motor desire-speed 
 		   calculate();			               // calculate  A/D convert value 
	     if (TRANS_delayCount == 250000){	       //commucation delay counter
             TRANS_delayCount=0;
 	         TransCMD_Data();                      // send data to son board by UART 
	         Reload_ReceiverData();		       // check data received from son board by UART
	        }
         else {
   	            TRANS_delayCount++;
                }  
 		  if (ByteCTL.Kgf_cm2.all > 50){       // if A/D Channel value if grand than 50 then start motor now. 
 		  	  Restart_Flag = 1;
 		  	  Disp.DR_Byte_Old = Disp.DR_Byte;	// check Motor is CC or CCW  set	
 		   	  if (Disp.DR_Byte_Old != 0x00) {Rev = 1;}	 
 		  	      else {Rev = 0;}
 		  	  break;
 		  	  }
 	
       } //while(Start_motor == 0) 

 	if (Restart_Flag == 1) { 
 		TransCMD_Data(); 	               // send data to son board by UART 
 		Start_motor =1;	
 		Soft_stop = 0;
 		TRANS_delayCount=0;	
 		SpeedRpm_Check=0;
 		Charge_Volt = _IQ(0.0900);
 		Pre_desireSpeed = 0;
 	    stall_check_EN = 0;
	    smo1.Kslf = _IQ(0.0060);
	    Pre_CMS = 0;
	    CMS = 1; 
	    Sprint = 1;
	    Stable_Spd_Count = 0; 
	    Reload_ReceiverData();	 // check data received from son board by UART
	    init_Module();		     // re call init_Modele()again to set A/D trig is by PWM1 interrupt
 	}
 
 if (TRANS_delayCount > 5000){	     //every loop time counter to commucate with son board .
    TRANS_delayCount=0;
 	TransCMD_Data();             // send data to son board by UART 
	Reload_ReceiverData();
   }
   else {
   	TRANS_delayCount++;
   }
	
}	


void init_Module(void)

{
// Initialize DATALOG module
    dlog.iptr1 = &DlogCh1;
    dlog.iptr2 = &DlogCh2;
	dlog.iptr3 = &DlogCh3;
    dlog.iptr4 = &DlogCh4;
    dlog.trig_value = 0x1;
    dlog.size = 0x00c8;
    dlog.prescalar = 5;
    dlog.init(&dlog);
	

   pwm1.PeriodMax = SYSTEM_FREQUENCY*1000000*T/2;
   PWM_INIT_MACRO(pwm1);
     
  
   ADC_MACRO_INIT();   // here is TI exsample macro not change it .
   

    speed3.K1 = _IQ21(1/(BASE_FREQ*T));                                         
    speed3.K2 = _IQ(1/(1+T*2*PI*6));  
    speed3.K3 = _IQ(1)-speed3.K2;      
    speed3.BaseRpm = (unsigned long )120*(BASE_FREQ/POLES); 
    

   rc1.TargetValue = 0; 
   rc1.RampDelayMax = 5;	    
   rc1.RampLowLimit = _IQ(-1);			  
   rc1.RampHighLimit = _IQ(1);
   rc1.RampDelayCount = 0;
   rc1.SetpointValue = 0;			 
   rc1.EqualFlag = 0;

   rg1.Freq = 0;
   rg1.StepAngleMax = _IQ(BASE_FREQ*T); 
   rg1.Angle = 0;
   rg1.Gain = _IQ(1);
   rg1.Out = 0;
   rg1.Offset = _IQ(1); 
   

   smo1_const.Rs = RS; 
   smo1_const.Ls = LS;H)
   smo1_const.Ib = BASE_CURRENT; 
   smo1_const.Vb = BASE_VOLTAGE; 
   smo1_const.Ts = T;
   SMO_CONST_MACRO(smo1_const);
	                             				
	                             


   smo1.Fsmopos = _IQ(smo1_const.Fsmopos); 
   smo1.Gsmopos = _IQ(smo1_const.Gsmopos); 
   smo1.Kslide = _IQ(0.15);  
   smo1.Kslf = _IQ(0.0060);  
    

   pid1_id.Kp = _IQ(0.14); 
   pid1_id.Ki = _IQ(0.007);
   pid1_id.Kd = _IQ(0);					
   pid1_id.Kc = _IQ(0);
    pid1_id.OutMax = _IQ(0.95);
    pid1_id.OutMin = _IQ(-0.95); 
    pid1_id.Ref = _IQ(0) ;
    pid1_id.Fdb = _IQ(0);
    pid1_id.Err = _IQ(0);
    pid1_id.Up  = _IQ(0);
    pid1_id.Ui  = _IQ(0) ;
    pid1_id.Ud  = _IQ(0);
    pid1_id.OutPreSat = _IQ(0);
    pid1_id.Out  = _IQ(0);
    pid1_id.SatErr  = _IQ(0);
    pid1_id.Up1  = _IQ(0);    
 

	pid1_iq.Kp = _IQ(0.8);
	pid1_iq.Ki = _IQ(0.03);			
	pid1_iq.Kd = _IQ(0); 				
	pid1_iq.Kc = _IQ(0);
    pid1_iq.OutMax = _IQ(0.95);
    pid1_iq.OutMin = _IQ(-0.95);    
    pid1_iq.Ref = _IQ(0) ;
    pid1_iq.Fdb = _IQ(0);
    pid1_iq.Err = _IQ(0);
    pid1_iq.Up  = _IQ(0);
    pid1_iq.Ui  = _IQ(0) ;
    pid1_iq.Ud  = _IQ(0);
    pid1_iq.OutPreSat = _IQ(0);
    pid1_iq.Out  = _IQ(0);
    pid1_iq.SatErr  = _IQ(0);
    pid1_iq.Up1  = _IQ(0);


    pid1_spd.Kp = _IQ(0.005);                  
	pid1_spd.Ki = _IQ(0.03);			
	pid1_spd.Kd = _IQ(0.20);					
 	pid1_spd.Kc = _IQ(0.0);
    pid1_spd.OutMax = _IQ(0.5);
    pid1_spd.OutMin = _IQ(-0.95);  
    pid1_spd.Out = _IQ(0);
    pid1_spd.Ref = _IQ(0);
    pid1_spd.Fdb = _IQ(0);
    pid1_spd.Err = _IQ(0);
    pid1_spd.Up  = _IQ(0);
    pid1_spd.Ui  = _IQ(0);
    pid1_spd.Ud  = _IQ(0);
    pid1_spd.OutPreSat = _IQ(0);
    pid1_spd.SatErr  = _IQ(0);
    pid1_spd.Up1  = _IQ(0);


    pid1_Vbus.Kp = _IQ(0.04);                  
	pid1_Vbus.Ki = _IQ(0.008);			
	pid1_Vbus.Kd = _IQ(0.05);					
 	pid1_Vbus.Kc = _IQ(0);
    pid1_Vbus.OutMax = _IQ(0.95);
    pid1_Vbus.OutMin = _IQ(0);  
    pid1_Vbus.Out = _IQ(0) ;
    pid1_Vbus.Ref = _IQ(0) ;
    pid1_Vbus.Fdb = _IQ(0);
    pid1_Vbus.Err = _IQ(0);
    pid1_Vbus.Up  = _IQ(0);
    pid1_Vbus.Ui  = _IQ(0) ;
    pid1_Vbus.Ud  = _IQ(0);
    pid1_Vbus.OutPreSat = _IQ(0);
    pid1_Vbus.Out  = _IQ(0);
    pid1_Vbus.SatErr  = _IQ(0);
    pid1_Vbus.Up1  = _IQ(0);
    
    speed3.EstimatedTheta = 0;    //_IQ(0);
    speed3.OldEstimatedTheta= 0;  //_IQ(0);   
    speed3.EstimatedSpeed = 0;    //_IQ(0);      
    speed3.EstimatedSpeedRpm = 0; 
    
    smo1.Valpha = _IQ(0);
    smo1.Ealpha = _IQ(0);   	
    smo1.Zalpha = _IQ(0);      
    smo1.EstIalpha = _IQ(0);   
    smo1.Vbeta = _IQ(0);   	
    smo1.Ebeta = _IQ(0);  		
    smo1.Zbeta = _IQ(0);      	
    smo1.EstIbeta = _IQ(0);   
    smo1.Ialpha = _IQ(0);  	
    smo1.IalphaError = _IQ(0);                 
    smo1.Ibeta = _IQ(0);  		
    smo1.IbetaError = _IQ(0);                
    smo1.Theta = _IQ(0);     	
    
    svgen_dq1.Ualpha = _IQ(0);
	svgen_dq1.Ubeta = _IQ(0);			
    svgen_dq1.Ta  = _IQ(0);					
    svgen_dq1.Tb  = _IQ(0);				 
    svgen_dq1.Tc  = _IQ(0);			
		
	volt1.DcBusVolt = _IQ(0);	
	volt1.MfuncV1 = _IQ(0);  		// Input: Modulation voltage phase A (pu)
	volt1.MfuncV2 = _IQ(0);			// Input: Modulation voltage phase B (pu)	
	volt1.MfuncV3 = _IQ(0);			// Input: Modulation voltage phase C (pu) 
	volt1.VphaseA = _IQ(0);			// Output: Phase voltage phase A (pu)
	volt1.VphaseB = _IQ(0);			// Output: Phase voltage phase B (pu) 
	volt1.VphaseC = _IQ(0);			// Output: Phase voltage phase C (pu) 
	volt1.Valpha = _IQ(0);			// Output: Stationary d-axis phase voltage (pu)
	volt1.Vbeta = _IQ(0);  			// Output: Stationary q-axis phase voltage (pu)
	
    clarke1.As  = _IQ(0);  		
	clarke1.Bs  = _IQ(0);			
	clarke1.Alpha  = _IQ(0);		
	clarke1.Beta  = _IQ(0);		
 
    park1.Alpha = _IQ(0);  		
    park1.Beta = _IQ(0);	
	park1.Angle = _IQ(0);		
	park1.Ds = _IQ(0);			
	park1.Qs = _IQ(0);			
	park1.Sine = _IQ(0);
	park1.Cosine = _IQ(0); 
	
    ipark1.Alpha = _IQ(0);  		
    ipark1.Beta = _IQ(0);	
	ipark1.Angle = _IQ(0);		
	ipark1.Ds = _IQ(0);			
	ipark1.Qs = _IQ(0);			
	ipark1.Sine = _IQ(0);
	ipark1.Cosine = _IQ(0); 
	
    pwm1.MfuncC1 = 0;       
    pwm1.MfuncC2 = 0;       
    pwm1.MfuncC3 = 0;      
    pwm1.PWM1out = 0;
	pwm1.PWM2out = 0;
	pwm1.PWM3out = 0;		
	
    

	HVDMC_Protection();	


	EALLOW;	
	
	PieVectTable.EPWM1_INT = &PWM1_Interrupt; 
	PieVectTable.SCIRXINTA = &U1RX_Interrupt; 
	PieVectTable.TINT0 = &T0_Interrupt;
	PieVectTable.TINT1 = &T1_Interrupt;
	PieVectTable.TINT2 = &T2_Interrupt;



   CpuTimer0Regs.TIM.half.LSW = 50;    

 //  T=1/60*10^6=0.016us
 //  delay 3 seconds =3/0.016us=187.5*10^6=187500000 
   CpuTimer0Regs.PRD.all=187500000; 
   
   CpuTimer0Regs.TPR.bit.TDDR = 0;    
   CpuTimer0Regs.TPR.bit.PSC = 0;    
   CpuTimer0Regs.TPRH.bit.TDDRH = 0;  
   CpuTimer0Regs.TPRH.bit.PSCH = 0;   
   CpuTimer0Regs.TCR.bit.SOFT = 0;      
   CpuTimer0Regs.TCR.bit.FREE = 0;
   CpuTimer0Regs.TCR.bit.TRB = 1;    
   CpuTimer0Regs.TCR.bit.TIF  = 1;  
   CpuTimer0Regs.TCR.bit.TIE  = 1;  
   CpuTimer0Regs.TCR.bit.TSS  = 1; 
// CpuTimer0Regs.TCR.bit.TSS = 0; 


  if (Restart_Flag == 0)         // first power on .the Restart_Flag is '0' will excute SCI init 
  {

// SCI-A init here

   SciaRegs.SCICCR.all =0x0007;   // 1 stop bit,  No loopback test mode disable
                                  // No parity,8 char bits,
                                  // async mode, idle-line protocol
   SciaRegs.SCICTL1.all =0x0003;  // enable TX, RX, internal SCICLK,
                                  // Disable RX ERR, SLEEP, TXWAKE
   SciaRegs.SCICTL2.all =0x0002;  // disable TXRDY interrupt
                                  // Enable RXRDY/BRKDT interrupt
                                  // full  TXRDY flag =0, TX EMPTY flag=0
   
// LSPCLK = SYSCLKOUT/4 = 60M/4 = 15Mz
// BRR = (LSPCLK/SCI Asynchronous BAUD)-1 = (15 500 000/153094(=19133*8))-1 = 97 =0x61

   SciaRegs.SCIHBAUD = 0x0000;
   SciaRegs.SCILBAUD = 0x0061;       // 19133 BPS -0.36%_ERROR
   SciaRegs.SCICCR.bit.LOOPBKENA =0; // disable loop back
   SciaRegs.SCIFFTX.all=0xC000;   //SCIFFENA=1   SCIRST=1   TXFFIENA=0
   SciaRegs.SCIFFRX.all=0x0021;   //RXFFENA=1  RXFFIL(0~4)=00000
   SciaRegs.SCIFFCT.all=0x0000;   // 
   SciaRegs.SCICTL1.all =0x0023;     // Relinquish SCI from Reset  TXRDY,TXEMPTY =1
   SciaRegs.SCIFFTX.bit.TXFIFOXRESET=1;
   SciaRegs.SCIFFRX.bit.RXFIFORESET=1;
   SciaRegs.SCITXBUF=0x00;

  }
   

   PieCtrlRegs.PIEIER1.bit.INTx7 = 1;
   PieCtrlRegs.PIEIER3.bit.INTx1 = 1; 
   PieCtrlRegs.PIEIER9.bit.INTx1 = 1;
  

    EPwm1Regs.ETSEL.bit.INTEN = 1; 
    EPwm1Regs.ETSEL.bit.INTSEL = 1;  
    EPwm1Regs.ETPS.bit.INTPRD = 1;   
	EPwm1Regs.ETCLR.bit.INT = 1;    
    EDIS;
   
  if (Restart_Flag == 1)        // after power on  and motor need Restart excute here 
    {
     for (Stall_Count=0 ; Stall_Count < 200000 ; Stall_Count++){;}
     Stall_Count = 0;
     Restart_Flag = 0;
     switch (Disp.GR_Byte){
         	  case 1:
         	         My_IdRef = _IQ(-0.25); 
         	         break;
         	  case 2:
         	         My_IdRef = _IQ(-0.28); 
         	         break;
         	  case 3:
         	         My_IdRef = _IQ(-0.30); 
         	         break;
         	  default : 
                     My_IdRef = _IQ(-0.25); 
         	         break;
         }  
     desireSpeed = Start_Speed;
     SpdRef_Data = _IQ(((float)desireSpeed / (float)speed3.BaseRpm));  // this SpdRef_Data  will load to PWM1 interrupt 
    }

	IER |= M_INT1; 
		
if  (Start_motor == 1){	   // if Motor want start that enable PWM1 interrupt function.
	IER |= M_INT3;  
	               
	}  
      
    IER |= M_INT9; 	                

	EINT; 
	ERTM;


if  (Start_motor == 0){   // if Motor want Stop that Reset A/D module trig fucntion in Force software .
	EALLOW;																						\
	AdcRegs.ADCCTL1.bit.ADCBGPWD	= 1;	/* Power up band gap */								\
																								\
	DELAY_US(ADC_usDELAY);					/* Delay before powering up rest of ADC */			\
																								\
	AdcRegs.ADCCTL1.bit.ADCREFSEL	= 1;	/* ADINAN0 for VREFHI */	    					\
	AdcRegs.ADCCTL1.bit.VREFLOCONV	= 1;    /* VREFLO internally connected to the ADC for sampling*/\
   	AdcRegs.ADCCTL1.bit.ADCREFPWD	= 1;	/* Power up reference */							\
   	AdcRegs.ADCCTL1.bit.ADCPWDN 	= 1;	/* Power up rest of ADC */							\
	AdcRegs.ADCCTL1.bit.ADCENABLE	= 1;	/* Enable ADC */									\
																								\
	asm(" RPT#100 || NOP");																		\
																								\
	AdcRegs.ADCCTL1.bit.INTPULSEPOS=1;    	                                                    \
    AdcRegs.ADCCTL1.bit.TEMPCONV=0;																\
																								\
	DELAY_US(ADC_usDELAY);																		\
	AdcRegs.SOCPRICTL.bit.RRPOINTER=0x00;\
	AdcRegs.SOCPRICTL.bit.SOCPRIORITY=0x04;\
/******* CHANNEL SELECT *******/															    \
																								\
	AdcRegs.ADCSOC0CTL.bit.CHSEL 	= 0;	/*Dummy meas. avoid 1st sample issue Rev0 Picollo*/	\
	AdcRegs.ADCSOC0CTL.bit.TRIGSEL  = 0;	        											\
	AdcRegs.ADCSOC0CTL.bit.ACQPS 	= 6;														\
																								\
	AdcRegs.ADCSOC1CTL.bit.CHSEL 	= 12;	/* ChSelect: ADC B4-> Phase A Current */			\
	AdcRegs.ADCSOC1CTL.bit.TRIGSEL  = 0;	/* Set SOC0 start trigger on EPWM1A */				\
	AdcRegs.ADCSOC1CTL.bit.ACQPS 	= 6; 	/* Set SOC0 S/H Window to 6+1 ADC Clock Cycles */   \
																								\
	AdcRegs.ADCSOC2CTL.bit.CHSEL 	= 14;	/* ChSelect: ADC B6-> Phase B Current */			\
	AdcRegs.ADCSOC2CTL.bit.TRIGSEL  = 0;	/* PWM1 trig  */  									\
	AdcRegs.ADCSOC2CTL.bit.ACQPS 	= 6;														\
																								\
	AdcRegs.ADCSOC3CTL.bit.CHSEL 	= 1;	\
	AdcRegs.ADCSOC3CTL.bit.TRIGSEL  = 0;														\
	AdcRegs.ADCSOC3CTL.bit.ACQPS 	= 6;														\
																								\
	AdcRegs.ADCSOC4CTL.bit.CHSEL 	= 2;	/* ChSelect: ADC A2-> VDC_Det */					\
	AdcRegs.ADCSOC4CTL.bit.TRIGSEL 	= 0;														\
	AdcRegs.ADCSOC4CTL.bit.ACQPS 	= 6;													 	\
																								\
	AdcRegs.ADCSOC5CTL.bit.CHSEL 	= 3;	\
	AdcRegs.ADCSOC5CTL.bit.TRIGSEL  = 0;														\
	AdcRegs.ADCSOC5CTL.bit.ACQPS 	= 6;														\
																								\
	AdcRegs.ADCSOC6CTL.bit.CHSEL 	= 4;	/* ChSelect: ADC A4-> I_SUM */					    \
	AdcRegs.ADCSOC6CTL.bit.TRIGSEL  = 0;														\
	AdcRegs.ADCSOC6CTL.bit.ACQPS 	= 6;														\
																								\
	AdcRegs.ADCSOC7CTL.bit.CHSEL 	= 7;    /* ChSelect: ADC A7->  here is control Motor start and stop	*/  \
	AdcRegs.ADCSOC7CTL.bit.TRIGSEL 	= 0;													    \
	AdcRegs.ADCSOC7CTL.bit.ACQPS 	= 6;														\
	\
	AdcRegs.ADCSOC8CTL.bit.CHSEL 	= 6;                      \
	AdcRegs.ADCSOC8CTL.bit.TRIGSEL 	= 0;													    \
	AdcRegs.ADCSOC8CTL.bit.ACQPS 	= 6;\
	EDIS;\
   }
}

best Regards

dowsheng

0 kuo dowsheng over 14 years ago in reply to Manoj Santha Mohan

Intellectual 370 points

Manoj:

Today I tried to use a notebook computer and communications with TMS28035 via RS-232.

TMS28035 return the correct A/D converted value under stand-alone mode .

I can see the correct A/D converted value through my notebook.

I just do not understand the same code in different reset conditions, the implementation of the results are different.

Need to get the correct program execution must be stable for 2 seconds(or more) after the power supply to reset the action

If you do not adhere to this condition that will be incorrect program execution.

I want show a figure for you that is Normal power turned on for a hard reset to 28035
and A/D value is the right to judge but the program does not stop the motor. why ?

This figure can be known by the following 28035 is the correct hard reset ,(for XRS PIN => mark B - mark A = 5.1ms )

how can I do ?

hope you can understand now.

Best Regards

dowsheng

0 Manoj Santha Mohan over 14 years ago in reply to kuo dowsheng

TI__Guru 55700 points

Dowsheng,

Based on these observations, it looks like the amount of time you hold the device in RESET changes the code execution.

These are possible things I would ponder upon:

(1) Do you have a common XRS on the board which holds multiple DSP / microcontrollers in reset?

(2) Do you observe the same problem with multiple DSP? ( I mean did you try changing using another DSP?)

(3) Do you have any reason why you have to pull the XRS to ground .... then .....power up your board.... then .... release XRS?

(4) Is everything working fine when you run the device with emulator connected? Do you see ADC results go above 400 and below 300. Are the PWM interrupts firing as expected.

Hope this helps.

Regards,

Manoj

0 kuo dowsheng over 14 years ago in reply to kuo dowsheng

Intellectual 370 points

Manoj:

first . thank your answer again.

(1) Do you have a common XRS on the board which holds multiple DSP / microcontrollers in reset?

NO. TMS28035 XRS pin via a 2K resister to DC3.3V ,that is example by TI controlboard circuit.

(2) Do you observe the same problem with multiple DSP? ( I mean did you try changing using another DSP?)

NO. I don't want to replace another DSP , that will rework to program code again.

(3) Do you have any reason why you have to pull the XRS to ground .... then .....power up your board.... then .... release XRS?

0 kuo dowsheng over 14 years ago in reply to Manoj Santha Mohan

Intellectual 370 points

can't post all now , so I send a TXT files .

Fullscreen 0640.TT.txt Download

Manoj:

first . thank your answer again.

(1) Do you have a common XRS on the board which holds multiple DSP / microcontrollers in reset? 

      NO. TMS28035 XRS pin  via  a 2K resister to DC3.3V ,that is example by TI controlboard circuit.

(2) Do you observe the same problem with multiple DSP? ( I mean did you try changing using another DSP?)

      NO. I don't  want  to replace another DSP , that  will  rework  to program code again. 

(3) Do you have any reason why you have to pull the XRS to ground .... then .....power up your board.... then .... release XRS? 

      If I do not do this program will be the wrong execution (the motor does not stop)  , do you know TPS3808G01  supervisory  ? 

      I'm contact with my Local  FAE , maybe It can cancel this problem. I think that is only solutions by experiment.

(4) Is everything working fine when you run the device with emulator connected? Do you see ADC results go above 400 and below 300. 
    Are the PWM interrupts firing as expected.

     (1)  yes. everything working fine when I use XDS100V2  to  execute  same code.  

     (2)  yse  I can  see  ADC  result  value from  CCS4  of  watch windows.  in this condition  I can see that right  A/D-Value both 

          ( pwm1 interrupts and force software A/D convert)

           when the TMS28035 run  in stand-alone MODE  also  I can see the A/D value is right  via RS-232  to my notebook.

thank you verymuch. 

Best Regards

dowsheng.

0 David Foley over 14 years ago in reply to kuo dowsheng

TI__Expert 8500 points

Dowsheng,

What I think I have read from you is that if you don't hold reset low during powerup the device does not operate correctly. However, when you hold reset low for 2 seconds or more during powerup the device works fine. This indicates that in the first scenario the device is not properly getting reset during powerup. The F28035 has an internal power on reset (POR) circuit which will hold reset off for about 600us after VDDIO reaches about 2.4v or so. Furthermore, the device boots up using an internal oscillator which starts up within a few microseconds. The only reason I can think of that the POR circuit wouldn't allow the device to properly clock in a reset to the entire device is if you had an usually slow ramp on VDDIO. Can you check how long it takes for your VDDIO pin to power up?

Regards,
Dave Foley

C2000™︎ microcontrollers

C2000 microcontrollers forum

TMS320F28035 RESET ?