SampleChannel.h

00001 
00002 #ifndef __SampleChannel__H__
00003 #define __SampleChannel__H__
00004 
00005 const int NUM_FILTER_VALS = 10;
00006 const int TRIGGER_WINDOW = 3;
00007 const int NUM_RETURN_SAMPLES = 20;
00008 
00009 class SampleChannel
00010 {
00011     private:
00012         UUID chanUuid;
00013         uint16_t sampleThreshold;
00014         uint16_t sampleDivisor;
00015         uint16_t filterBuf[NUM_FILTER_VALS];
00016         int curFilterIdx;
00017         uint8_t sampleBuf[NUM_RETURN_SAMPLES];
00018         int curSampleIdx;
00019         bool isCapturing;
00020         void AddSample(uint16_t val);
00021         AnalogIn ain;
00022         int GetAvgOutsideTriggerWindow();
00023         int GetAvgOfTriggerWindow();
00024         uint16_t GetLowest();
00025         Serial* pLocalLogger;
00026         uint16_t sampleBaseVal;
00027         
00028     public:
00029         SampleChannel(PinName pin, const UUID uuid, Serial* pLogger);
00030         void SetThreshold(uint16_t threshold);
00031         void SetDivisor(uint16_t divisor);
00032         void Service();
00033         bool IsSampling();
00034         bool AreSamplesReady();
00035         void StopSampling();
00036         void StartSampling();
00037         bool CheckTrigger();
00038         uint8_t *GetSamples();
00039         int GetSamplesLen();
00040         UUID GetUUID() {
00041             return chanUuid;
00042         }
00043 };
00044 
00045 #endif