X-Git-Url: https://git.ucc.asn.au/?p=matches%2FMCTX3420.git;a=blobdiff_plain;f=server%2Fsensor.c;fp=server%2Fsensor.c;h=e429958168019beb5c8e90320e90efc9d30a41eb;hp=64c7aa9a83938d86f658f7974db7fb7487614a25;hb=ed189a5dd5b5ca6c052d75704dec3f58fe410387;hpb=3b075e3cade9dcd625fab07a713856f657bb2230

diff --git a/server/sensor.c b/server/sensor.c
index 64c7aa9..e429958 100644
--- a/server/sensor.c
+++ b/server/sensor.c
@@ -7,6 +7,7 @@
 #include "common.h"
 #include "sensor.h"
 #include "options.h"
+#include "bbb_pin.h"
 #include <math.h>
 
 /** Array of sensors, initialised by Sensor_Init **/
@@ -17,17 +18,20 @@ const SensorThreshold thresholds[NUMSENSORS]= {
 	//Max Safety, Min safety, Max warning, Min warning
 	{1,-1,1,-1},		// ANALOG_TEST0
 	{500,0,499,0},		// ANALOG_TEST1
+	{5000,0,5000,0},		// ANALOG_REALTEST
 	{5,-5,4,-4},		// ANALOG_FAIL0
 	{1,0,1,0},			// DIGITAL_TEST0
 	{1,0,1,0},			// DIGITAL_TEST1
+	{1,0,1,0},			// DIGITAL_REALTEST
 	{1,0,1,0}			// DIGITAL_FAIL0
 };
 
 /** Human readable names for the sensors **/
 const char * g_sensor_names[NUMSENSORS] = {	
 	"analog_test0", "analog_test1", 
-	"analog_fail0",	"digital_test0", 
-	"digital_test1", "digital_fail0"
+	"analog_realtest", "analog_fail0",
+	"digital_test0", "digital_test1", 
+	"digital_realtest", "digital_fail0"
 };
 
 /**
@@ -40,6 +44,14 @@ void Sensor_Init()
 		g_sensors[i].id = i;
 		Data_Init(&(g_sensors[i].data_file));
 	}
+
+	// Get the ADCs
+	ADC_Export();
+
+	// GPIO1_28 used as a pulse for sampling
+	GPIO_Export(GPIO1_28);
+	// GPIO0_30 toggled during sampling
+	GPIO_Export(GPIO0_30);
 }
 
 /**
@@ -157,12 +169,37 @@ bool Sensor_Read(Sensor * s, DataPoint * d)
 	gettimeofday(&t, NULL);
 	d->time_stamp = TIMEVAL_DIFF(t, *Control_GetStartTime());
 
+	static bool result = true;
+	
+	
 	// Read value based on Sensor Id
 	switch (s->id)
 	{
+		case ANALOG_REALTEST:
+		{
+			static bool set = false;
+			
+			GPIO_Set(GPIO0_30, true);
+			d->value = (double)ADC_Read(ADC0);	//ADC #0 on the Beaglebone
+			//Log(LOGDEBUG, "Got value %f from ADC0", d->value);
+			GPIO_Set(GPIO0_30, false);
+			set = !set;
+			GPIO_Set(GPIO1_28, set);
+			
+			break;
+		}
+		
+		default:
+			d->value = rand() % 2;
+			usleep(1000000);
+			break;
+		
+
 		case ANALOG_TEST0:
+		{
 			d->value = (double)(rand() % 100) / 100;
 			break;
+		}
 		case ANALOG_TEST1:
 		{
 			static int count = 0;
@@ -170,33 +207,43 @@ bool Sensor_Read(Sensor * s, DataPoint * d)
 			d->value = count++;
 			break;
 		}
+
 		case ANALOG_FAIL0:
-			d->value = (double)(rand() % 6) * -( rand() % 2) / ( rand() % 100 + 1);
+			d->value = 0;
+			//d->value = (double)(rand() % 6) * -( rand() % 2) / ( rand() % 100 + 1);
 			//Gives a value between -5 and 5
 			break;
 		case DIGITAL_TEST0:
 			d->value = t.tv_sec % 2;
+
 			break;
 		case DIGITAL_TEST1:
 			d->value = (t.tv_sec+1)%2;
 			break;
+		case DIGITAL_REALTEST:
+		{
+		// Can pass pin as argument, just using 20 as an example here
+		// Although since pins will be fixed, can just define it here if we need to
+			//d->value = pinRead(20);	//Pin 20 on the Beaglebone
+			break;
+		}
 		case DIGITAL_FAIL0:
 			if( rand() % 100 > 98)
 				d->value = 2;
 			d->value = rand() % 2; 
 			//Gives 0 or 1 or a 2 every 1/100 times
 			break;
-		default:
-			Fatal("Unknown sensor id: %d", s->id);
-			break;
+		//default:
+		//	Fatal("Unknown sensor id: %d", s->id);
+		//	break;
 	}	
-	usleep(100000); // simulate delay in sensor polling
+	
 
 	// Perform sanity check based on Sensor's ID and the DataPoint
 	Sensor_CheckData(s->id, d->value);
 
 	// Update latest DataPoint if necessary
-	bool result = (d->value != s->newest_data.value);
+	
 	if (result)
 	{
 		s->newest_data.time_stamp = d->time_stamp;
@@ -270,6 +317,7 @@ void Sensor_BeginResponse(FCGIContext * context, SensorId id, DataFormat format)
 		case JSON:
 			FCGI_BeginJSON(context, STATUS_OK);
 			FCGI_JSONLong("id", id);
+			FCGI_JSONPair("name", g_sensor_names[id]);
 			break;
 		default:
 			FCGI_PrintRaw("Content-type: text/plain\r\n\r\n");