Capture.h

00001 /*
00002  * capture.h
00003  *
00004  *  Created on: 
00005  *      Author: 
00006  */
00007 
00008 #ifndef CAPTURE_H
00009 #define CAPTURE_H
00010 
00011 #include <stdio.h>
00012 #include <string.h>
00013 #include <math.h>
00014 
00015 #include "mbed.h"
00016 #include "rtos.h"
00017 #include "dma.h"
00018 #include "adc.h"
00019 
00020 #include "Settings.h"
00021 
00022 // MTR: Estes defines nao deveriam estar no arquivo de configuraçeos?
00023 //#define SAMPLE_RATE         256U
00024 
00025 
00026 class Capture
00027 {
00028     
00029 protected:
00030     
00031     static Semaphore m_CaptureSemaphore; //used to alert the capture thread about a ready capture 
00032     static int m_BufferIndex;
00033     
00034     static dmaLinkedListNode m_Nodes[2]; //this list holds the buffer configuration for the DMA peripheral
00035 public:
00036     static unsigned short int m_AdcBuffers[2][NUMBER_OF_SAMPLES][NUMBER_OF_CHANNELS];    
00037     
00038 public:
00039 
00040     static unsigned short int GetValue(int nsamples, int nchannel);
00041     static void CopyBuffer(int channel, unsigned short int *dest);
00042 
00043     static void ISRHandler();
00044 
00045     static void Initialize();
00046     static void Start();
00047     static void Stop();
00048     static void Wait();        
00049 
00050     void ReadRFID(int channel,char *rfid);
00051 
00052 };
00053 
00054 #endif