L297 operations

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schneiderj

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Hello I am in trouble to run my L297 (with a L298).

I would like to use my stepper motor in the "two phase on" full step to have the best torque.

But I am not such of the operation order to obtain that mode.

What I am doing is :
Code:
b_Reset = 1;
b_H_F = 1;
//delay_us(10);
b_Reset = 0;
delay_us(10);
b_Reset = 1;
b_H_F = 0;
	
b_Clock = 0;

b_CW_CCW = b_SensRot;
	
b_Enable = 1;
b_TMR3ON = 1;

The enable pin is set only at the end of this code. Is that correct ?
I put some delay between Reset = 0 and Reset = 1. That seams not mandatory.

Can you give me your comments on these operations ?

Thanks
Jean-Marie
 
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