srff

Capsim Block Documentation

Short Description

R flip-flop positive edge triggered

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Input Connections
Port Type Name
0 float s
1 float r
2 float cp
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Output Connections
Port Type Name
0 float q
1 float qp
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States
Num Type Name Initial Value Description
0 float temp_q 0.0
1 float temp_qp 1.0
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Declarations


 

	int samples;
	float in_s;
	float in_r;



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Initialization Code



 





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Main Code



 


	for(samples = MIN_AVAIL(); samples>0; --samples)
	{
		IT_IN(0);
		IT_IN(1);
		IT_IN(2);
		in_s = s(0);
		in_r = r(0);
		if(cp(0) > 0.5 && cp(1) == 0.0)
		{
			if(in_s == 0.0 && in_r > 0.5)
			{
				temp_q = 0.0;
				temp_qp = 1.0;
			}

			if(in_s > 0.5 && in_r == 0.0)
			{
				temp_q = 1.0;
				temp_qp = 0.0;
			}
		}

		if(IT_OUT(0)) {
			KrnOverflow("srff",0);
			return(99);
		}
		q(0) = temp_q;
		if(IT_OUT(1)) {
			KrnOverflow("srff",0);
			return(99);
		}
		qp(0) = temp_qp;
	}
	return(0);




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Wrapup Code



 





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License



/*  Capsim (r) Text Mode Kernel (TMK) Star Library (Blocks)
    Copyright (C) 1989-2017  Silicon DSP Corporation

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    http://www.silicondsp.com
    Silicon DSP  Corporation
    Las Vegas, Nevada
*/


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Description



 

/*
	srff.s:		SR flip-flop
			positive edge triggered
	parameters:	none	
	inputs:		S, input buffer 0
			R, input buffer 1
			cp, input buffer 2 (clock)
	outputs:	Q and Q'
	Truth table:
	Q    S    R  *  Q(t+1)
	**********************
	0    0    0  *  0
	0    0    1  *  0
	0    1    0  *  1
	0    1    1  *  indeterminate
	1    0    0  *  1
	1    0    1  *  0
	1    1    0  *  1
	1    1    1  *  indeterminate

srff


SR flip-flop
			positive edge triggered
	parameters:	none	
	inputs:		S, input buffer 0
			R, input buffer 1
			cp, input buffer 2 (clock)
	outputs:	Q and Q'
	Truth table:
	Q    S    R  *  Q(t+1)
	**********************
	0    0    0  *  0
	0    0    1  *  0
	0    1    0  *  1
	0    1    1  *  indeterminate
	1    0    0  *  1
	1    0    1  *  0
	1    1    0  *  1
	1    1    1  *  indeterminate


December 4, 1990

 */