From 3ab7176e463268a471eb0e90c8520be4ff15a42f Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@mur.at>
Date: Tue, 28 May 2013 19:22:38 +0000
Subject: moved old FreeRTOS based MPU Softeware to mpu.old

git-svn-id: https://svn.spreadspace.org/mur.sat@768 7de4ea59-55d0-425e-a1af-a3118ea81d4c
---
 software/mpu.old/src/lightsens.c | 116 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 software/mpu.old/src/lightsens.c

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

diff --git a/software/mpu.old/src/lightsens.c b/software/mpu.old/src/lightsens.c
new file mode 100644
index 0000000..ed280f0
--- /dev/null
+++ b/software/mpu.old/src/lightsens.c
@@ -0,0 +1,116 @@
+/*
+ * lightsens.c
+ *
+ *  Created on: 23.10.2011
+ *      Author: Roland
+ */
+
+#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;
+
+/*
+ * Wake up other tasks, send them messages telling what to do,
+ * wait for them to have processed the commands or not, maybe
+ * put them to sleep again, ...
+ * */
+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;
+	}
+
+	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)))
+		{
+			/*
+			 * switch Msg.Sender
+			 *
+			 */
+			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. */
+			}
+		}
+	}
+}
+
+Status_t lightsens_Init_LightSens(QH_t  hxQueues)
+{
+	TaskParam_LightSens.QueueHandles = hxQueues;
+
+	if(!xTaskCreate( lightsens_Process_Task, (signed char *) "LightSensor",
+			TASK_STACK_SIZE_lightsens, &TaskParam_LightSens,
+			TASK_PRIORITY_lightsens, &(TaskParam_LightSens.hxTask_Self)))
+		return STATUS_ERROR_INIT;
+
+	/*TODO: check for success and pass it over to caller. */
+	return STATUS_OK;
+}
-- 
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