PROJ515 / Mbed OS ELEC-351-GROUP-E-CW

fuck this

Dependencies:   BMP280

Sampling.h@9:ac5673cca703, 2018-01-06 (annotated)

Committer:
mwthewsey
Date:
Sat Jan 06 16:13:37 2018 +0000
Revision:
9:ac5673cca703
Parent:
8:dbb57b4d5ba4
Child:
10:261f2b69c4c7
Child:
15:e61297f9bae9
Circular buffer working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Swaggie 4:2e6d9492b76d 1 #ifndef __Sampling__
Swaggie 4:2e6d9492b76d 2 #define __Sampling__
Swaggie 4:2e6d9492b76d 3
Swaggie 6:8e1795a5886b 4 #include "mbed.h"
Swaggie 5:bea93c8e50b7 5 #include "BMP280.h"
Swaggie 8:dbb57b4d5ba4 6 #include "rtos.h"
Swaggie 5:bea93c8e50b7 7
mwthewsey 9:ac5673cca703 8 #define BUFFERSIZE 8
Swaggie 6:8e1795a5886b 9
Swaggie 7:bf9f92ff02e8 10
Swaggie 6:8e1795a5886b 11 //Thread Sync Tools
mwthewsey 9:ac5673cca703 12 extern Mutex tempReadingsLock;
mwthewsey 9:ac5673cca703 13 extern Mutex presReadingsLock;
mwthewsey 9:ac5673cca703 14 extern Mutex LDRReadingsLock;
mwthewsey 9:ac5673cca703 15 extern Mutex timeReadingsLock;
Swaggie 6:8e1795a5886b 16
Swaggie 6:8e1795a5886b 17 //Buffers
mwthewsey 9:ac5673cca703 18 extern float tempReadings[BUFFERSIZE];
mwthewsey 9:ac5673cca703 19 extern float presReadings[BUFFERSIZE];
mwthewsey 9:ac5673cca703 20 extern float LDRReadings[BUFFERSIZE];
mwthewsey 9:ac5673cca703 21 extern float timeReadings[BUFFERSIZE];
Swaggie 6:8e1795a5886b 22
mwthewsey 9:ac5673cca703 23 extern unsigned short currentIndex;
Swaggie 6:8e1795a5886b 24 //Position in the buffer of the newest sample
mwthewsey 9:ac5673cca703 25 extern unsigned short nextIndex;
mwthewsey 9:ac5673cca703 26 //Position in the buffer where the next sample needs to be writen to
Swaggie 8:dbb57b4d5ba4 27 extern unsigned short oldestIndex;
Swaggie 6:8e1795a5886b 28 //Position in the buffer of the oldest sample
Swaggie 6:8e1795a5886b 29
Swaggie 8:dbb57b4d5ba4 30 extern bool firstSample;
Swaggie 7:bf9f92ff02e8 31 //Used to indicate this is the first sample to be taken. used in IncrementIndex func
Swaggie 7:bf9f92ff02e8 32
mwthewsey 9:ac5673cca703 33 extern Thread t1; //Sample Enviromental Sensor
mwthewsey 9:ac5673cca703 34 extern Thread t2; //Sample LDR Sensor
Swaggie 6:8e1795a5886b 35
mwthewsey 9:ac5673cca703 36 extern Ticker sampleRate;
mwthewsey 9:ac5673cca703 37 extern Timeout SampleLEDTimeout;
Swaggie 8:dbb57b4d5ba4 38 extern BMP280 sensor;
Swaggie 8:dbb57b4d5ba4 39 extern AnalogIn LDRSensor; //Input pin for LDR
Swaggie 8:dbb57b4d5ba4 40 extern DigitalOut SamplingLED; //Onboard LED showing when a sample happens
Swaggie 6:8e1795a5886b 41
Swaggie 6:8e1795a5886b 42 /*These can be deleted I think
Swaggie 6:8e1795a5886b 43 extern float fLatestTemp;
Swaggie 6:8e1795a5886b 44 extern float fLatestLDR;
Swaggie 6:8e1795a5886b 45 extern float fLatestPres;
Swaggie 6:8e1795a5886b 46 */
Swaggie 6:8e1795a5886b 47
mwthewsey 9:ac5673cca703 48 extern bool NewEnvSample; //Is there new data from the envirom sensor to output?
mwthewsey 9:ac5673cca703 49 extern bool NewLDRSample; //Is there new data from the LDR to output?
Swaggie 6:8e1795a5886b 50
Swaggie 4:2e6d9492b76d 51 void SampleTimerISR(void);
Swaggie 4:2e6d9492b76d 52 //Called by ticker. Calls the sample funcs of each device by flagging the threads
Swaggie 4:2e6d9492b76d 53
Swaggie 4:2e6d9492b76d 54 void ConfigThreadsAndIR(void);
Swaggie 4:2e6d9492b76d 55 //Setup Interrupts and Threads
Swaggie 4:2e6d9492b76d 56
Swaggie 7:bf9f92ff02e8 57 void ThreadSampleEnvSensor(void);
Swaggie 6:8e1795a5886b 58 //when flagged by interrupt will capture a sample then calls the addtobufferfuncs
Swaggie 6:8e1795a5886b 59
Swaggie 7:bf9f92ff02e8 60 void AddTempSample(float temp);
Swaggie 6:8e1795a5886b 61 //Producer function
Swaggie 6:8e1795a5886b 62
Swaggie 7:bf9f92ff02e8 63 void AddPresSample(float pres);
Swaggie 6:8e1795a5886b 64 //Producer Function
Swaggie 6:8e1795a5886b 65
Swaggie 6:8e1795a5886b 66 void ThreadSampleLDR(void);
Swaggie 7:bf9f92ff02e8 67 //When flagged by interrupt will read time and LDR value.
Swaggie 6:8e1795a5886b 68
Swaggie 7:bf9f92ff02e8 69 void AddLDRSample(float LDR);
Swaggie 6:8e1795a5886b 70 //Poducer Function
Swaggie 4:2e6d9492b76d 71
Swaggie 7:bf9f92ff02e8 72 void AddTimeSample(/*Whatever time*/);
Swaggie 7:bf9f92ff02e8 73 //Producer Function
Swaggie 7:bf9f92ff02e8 74
Swaggie 7:bf9f92ff02e8 75 void IncrementIndex(void);
Swaggie 7:bf9f92ff02e8 76 //Called after samples are added. Increments the index and moves the oldest
Swaggie 7:bf9f92ff02e8 77 //along if necessary
Swaggie 7:bf9f92ff02e8 78
Swaggie 8:dbb57b4d5ba4 79 void FlipSamplingLED(void);
Swaggie 8:dbb57b4d5ba4 80 //Called by timeout, turns of LED
Swaggie 8:dbb57b4d5ba4 81
mwthewsey 9:ac5673cca703 82 unsigned short IndexIncrement(unsigned short thisIndex);
mwthewsey 9:ac5673cca703 83 //Incrementing the index with respect for the buffersize
mwthewsey 9:ac5673cca703 84
Swaggie 4:2e6d9492b76d 85 #endif