amf_ledcontrol_21364_21262.c

ADI SHARC DSP 音频算法标准模块库

// Copyright(c) 2005 Analog Devices, Inc. All Rights Reserved.
// This software is proprietary and confidential to Analog Devices, Inc. and its licensors.

// File    : $Id: //depot/Development/VisualAudio/Modules/Packs/ButtonsAndLEDs_EZKit/2.5.0/SHARC/Source/AMF_LEDControl_21364_21262.c#2 $ 
// Part of : VisualAudio ButtonsAndLEDs_EZKit V2.0.1 
// Updated : $Date: 2006/10/12 $ by $Author: Fernando $



#include "AMF_LEDControl_21364_21262.h"
#include <math.h>
#include <sysreg.h>
#include "processor.h"

#if __VERSIONNUM__ >= 0x07010000  //VDSP++4.0
#if defined(__ADSP21364__) || defined(__ADSP21365__) || defined(__ADSP21366__)
#include <sru21365.h>
#include <cdef21364.h>
#else
#if defined(__ADSP21262__) || defined(__ADSP21266__) || defined(__ADSP21267__)
#include <sru21262.h>
#include <cdef21262.h>
#else
#error "Wrong processor."
#endif
#endif
#endif

#if __VERSIONNUM__ >= 0x07000000 && __VERSIONNUM__ < 0x07010000 // VDSP++ 3.5 
#include <sru.h> 
#endif


/** Read a named integer port. */
#define RDPORT(name)    (*(const int*)(name))

void AMF_LEDControl_Render_21364_21262(AMF_LEDControl_21364_21262 * restrict instance,float * restrict * buffers,int tickSize);

#define LED1 0x1
#define LED2 0x2
#define LED3 0x4
#define LED4 0x8
#define LED5 0x10
#define LED6 0x20
#define LED7 0x40
#define LED8 0x80


SEG_MOD_FAST_CODE  void handle_LED(int led_value){
    *pPPCTL=0;

    *pIIPP=(int) &led_value;
    *pIMPP=1;
    *pICPP=1;
    *pEMPP=1;
    *pECPP=1;
    *pEIPP=0x400000;

    *pPPCTL=PPTRAN|PPBHC|PPDUR20|PPDEN|PPEN;
}

SEG_MOD_FAST_CODE  void AMF_LEDControl_Render_21364_21262(AMF_LEDControl_21364_21262 * restrict instance,float * restrict * buffers,int tickSize) 
{
/***
    Design spec:
        The LED state is scanned every time the render function is called.
***/    
    
    
    int i;
    float *pLED1Input = buffers[0];
    float *pLED2Input = buffers[1];
    float *pLED3Input = buffers[2];
    float *pLED4Input = buffers[3];
    float *pLED5Input = buffers[4];
    float *pLED6Input = buffers[5];
    float *pLED7Input = buffers[6];
    float *pLED8Input = buffers[7];
    int ledValue = 0;

    //The initialization is required only once
    if (!instance->initialized)
    {
        handle_LED(0);
        asm("nop;nop;nop;nop;nop;");
        instance->initialized = 1;     
        return;
    }

    if (*pLED1Input)
        ledValue |= LED1;
    else
        ledValue &= ~LED1;
    if (*pLED2Input)
        ledValue |= LED2;
    else
        ledValue &= ~LED2;
    if (*pLED3Input)
        ledValue |= LED3;
    else
        ledValue &= ~LED3;
    if (*pLED4Input)
        ledValue |= LED4;        
    else
        ledValue &= ~LED4;
    if (*pLED5Input)
        ledValue |= LED5;        
    else
        ledValue &= ~LED5;
    if (*pLED6Input)
        ledValue |= LED6;        
    else
        ledValue &= ~LED6;
    if (*pLED7Input)
        ledValue |= LED7;        
    else
        ledValue &= ~LED7;
    if (*pLED8Input)
        ledValue |= LED8;        
    else
        ledValue &= ~LED8;
        
    handle_LED(ledValue);
}

SEG_MOD_SLOW_CONST const AMF_ModuleClass AMFClassLEDControl_21364_21262 = {
    
    /* Flags */
    0,
     
    /* Render function */
    (AMF_RenderFunction)AMF_LEDControl_Render_21364_21262,

    /* Default bypass */
    (void *)0,
    
    /* Input descriptor - no inputs. */
    8, AMF_ControlPin(0)|AMF_ControlPin(1)|AMF_ControlPin(2)|AMF_ControlPin(3)|AMF_ControlPin(4)|AMF_ControlPin(5)|AMF_ControlPin(6)|AMF_ControlPin(7),

    /* Output descriptor - 0 outputs */
    0, 0,
};