Diff: Sampling.cpp

Revision:

8:dbb57b4d5ba4

Parent:

7:bf9f92ff02e8

Child:

9:ac5673cca703

--- a/Sampling.cpp	Thu Jan 04 17:34:57 2018 +0000
+++ b/Sampling.cpp	Thu Jan 04 19:32:30 2018 +0000
@@ -1,17 +1,6 @@
 #include "Sampling.h"
 #include "mbed.h"
-
-//Thread Sync Tools
-Mutex tempReadingsLock;
-Mutex presReadingsLock;
-Mutex LDRReadingsLock;
-Mutex timeReadingsLock;
-
-//Buffers
-float tempReadings[BUFFERSIZE];
-float presReadings[BUFFERSIZE];
-float LDRReadings[BUFFERSIZE];
-float timeReadings[BUFFERSIZE];
+#include "rtos.h"
 
 //Index
 unsigned short newestIndex = BUFFERSIZE-1;
@@ -20,18 +9,17 @@
 bool firstSample = true;
 
 //Hardware
-#ifdef BME
-BME280 sensor(D14, D15);
-#else
 BMP280 sensor(D14, D15);
-#endif
-AnalogIn LDRSensor(PA_1); //Check this is the correct pin
+AnalogIn LDRSensor(PA_0);
+DigitalOut SamplingLED(LED1);
 
 void SampleTimerISR(void)
 {
     //Flag Threads
     t1.signal_set(1);
     t2.signal_set(1);
+    SamplingLED = 1;
+    SampleLEDTimeout.attach(&FlipSamplingLED,1); //To turn LED off
 }
 
 void ConfigThreadsAndIR(void)
@@ -39,10 +27,10 @@
     NewEnvSample = false;  //Reset
     NewLDRSample = false;  //Reset
 
-    t1.start(ThreadSampleEnvSensor);
-    t2.start(ThreadSampleLDR);
+    t1.start(&ThreadSampleEnvSensor);
+    t2.start(&ThreadSampleLDR);
 
-    sampleRate.attach(SampleTimerISR, 15); //15 second interval
+    sampleRate.attach(&SampleTimerISR, 15); //15 second interval
 }
 
 void AddTempSample(float temp)
@@ -56,7 +44,7 @@
 {
     presReadingsLock.lock();    //Take the key
     presReadings[newestIndex+1] = pres; //Add to register
-    presReadingsLock.unclock(); //Release the key
+    presReadingsLock.unlock(); //Release the key
 }
 
 void ThreadSampleEnvSensor(void)
@@ -75,7 +63,7 @@
 void AddLDRSample(float LDRval)
 {
     LDRReadingsLock.lock(); //Take the key
-    LDRReadings[newestIndex+1] = LDR; //Add the sample after the most recent
+    LDRReadings[newestIndex+1] = LDRval; //Add the sample after the most recent
     LDRReadingsLock.unlock(); // Release the key
 }
 
@@ -84,7 +72,7 @@
     while (true) {
         Thread::signal_wait(1); //Wait for signal 1
         //get readings
-        float LDRval = LDRSensor.value(); //Read the analogue pin value
+        float LDRval = LDRSensor; //Read the analogue pin value
         //get time function
         AddLDRSample(LDRval);
         //add time sample
@@ -106,3 +94,8 @@
         }
     }
 }
+
+void FlipSamplingLED(void)
+{
+    SamplingLED = 0;
+}