From 7446bd874823bb058d872fa0718ff774379e8118 Mon Sep 17 00:00:00 2001
From: Roland Sahlsten <Roland.Sahlsten.ASE10@fh-joanneum.at>
Date: Tue, 8 May 2012 06:43:34 +0000
Subject: git-svn-id: https://svn.spreadspace.org/mur.sat@403
 7de4ea59-55d0-425e-a1af-a3118ea81d4c

---
 software/mpu/src/lightsens.c | 60 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 57 insertions(+), 3 deletions(-)

(limited to 'software/mpu/src/lightsens.c')

diff --git a/software/mpu/src/lightsens.c b/software/mpu/src/lightsens.c
index 230a0c3..ed280f0 100644
--- a/software/mpu/src/lightsens.c
+++ b/software/mpu/src/lightsens.c
@@ -8,10 +8,20 @@
 #include "Types.h"
 #include "FreeRTOS.h"
 #include "queue.h"
+#include "adc.h"
+
+#define LED_PORT 0		// Port for led
+#define LED_BIT 7		// Bit on port for led
 
 #define	TASK_PRIORITY_lightsens		    ( tskIDLE_PRIORITY + 2 )
 #define TASK_STACK_SIZE_lightsens			( ( unsigned short ) 64 )
 
+
+/* Debug Helper */
+Status_t lightsens_ValueToString()
+{
+}
+
 /* Globals */
 static Task_Param_t TaskParam_LightSens;
 
@@ -25,6 +35,15 @@ static void lightsens_Process_Task(void *Param)
 	Message_t Msg;
 	portCHAR chBufLSe[10] = "Seas Knl!";
 
+	portCHAR led;
+
+	portCHAR i;
+//	volatile uint32_t ADCValue[ADC_NUM];
+	uint32_t ADCValue[ADC_NUM];
+
+	// set led port to output
+	LPC_GPIO0->DIR |= 1<<LED_BIT;
+
 	if(NULL == TaskParam_LightSens.QueueHandles.hxq_LightSens)
 	{
 		return;
@@ -33,6 +52,14 @@ static void lightsens_Process_Task(void *Param)
 	Msg.Sender = Sender_LightSens;
 	Msg.pData = chBufLSe;
 	xQueueSend(TaskParam_LightSens.QueueHandles.hxq_Kernel, &Msg, MS(10));
+
+	/* Initialize ADC  */
+	ADCInit( ADC_CLK );
+	for ( i = 0; i < ADC_NUM; i++ )
+	{
+		ADCValue[i] = ADCRead( i );	/* Polling */
+	}
+
 	while(1)
 	{
 		if( xQueueReceive( TaskParam_LightSens.QueueHandles.hxq_LightSens, &Msg, MS(5)))
@@ -41,9 +68,36 @@ static void lightsens_Process_Task(void *Param)
 			 * switch Msg.Sender
 			 *
 			 */
-			Msg.Sender = Sender_LightSens;
-			Msg.pData = chBufLSe;
-			xQueueSend(TaskParam_LightSens.QueueHandles.hxq_Kernel, &Msg, MS(10));
+			switch (Msg.Sender)
+			{
+			case Sender_Kernel:
+				{
+					if (((portCHAR*)(Msg.pData))[0] == 'l')
+					{
+						if(led)
+							led = 0;
+						else
+							led = 1<<LED_BIT;
+
+
+			//			LPC_GPIO0->MASKED_ACCESS[(1<<LED_BIT)] = led;
+					}
+					if(((portCHAR*)(Msg.pData))[0] == 'r')
+					{
+						for ( i = 0; i < ADC_NUM; i++ )
+						{
+							ADCValue[i] = ADCRead( i );	/* Polling */
+						}
+					}
+
+					Msg.Sender = Sender_LightSens;
+					Msg.pData = chBufLSe;
+					Msg.pData = ADCValue;
+					xQueueSend(TaskParam_LightSens.QueueHandles.hxq_Kernel, &Msg, MS(10));
+				}
+			default: {;}	/* for the time being we ignore messages received from
+							   someone other than the kernel. */
+			}
 		}
 	}
 }
-- 
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