Added Software projects

git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@55 9fe90eed-be63-e94b-8204-d34ff4c2ff93
2008-12-23 10:34:08 +00:00
parent ee5a771818
commit 373a8c32b2
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+/*************************************************************************
+ *
+ *    Used with ICCARM and AARM.
+ *
+ *    (c) Copyright IAR Systems 2006
+ *
+ *    File name   : clock-arch.c
+ *    Description : Implementation of architecture-specific clock functionality
+ *
+ *    History :
+ *    1. Date        : October 4, 2006
+ *       Author      : Stanimir Bonev
+ *       Description : Create
+ *
+ *    $Revision: 1.1.2.3 $
+**************************************************************************/
+#include "LPC23xx.h"
+
+#include "clock-arch.h"
+#include "ethernet.h"
+
+volatile clock_time_t Ticks;
+
+/*************************************************************************
+ * Function Name: Tim0Handler
+ * Parameters: none
+ *
+ * Return: none
+ *
+ * Description: Timer 0 interrupt handler
+ *
+ *************************************************************************/
+static
+void Timer1IntrHandler (void)
+{
+  ++Ticks;
+//  T0IR_bit.MR0INT = 1;
+    T1IR |= (1 << 1); 
+    VICIRQStatus = 0;
+}
+
+/*************************************************************************
+ * Function Name: clock_init
+ * Parameters: Int32U IntrPriority
+ *
+ * Return: none
+ *
+ * Description: Timer init
+ *
+ *************************************************************************/
+void clock_init(Int32U IntrPriority)
+{
+  Ticks = 0;
+
+  // Init Time0
+//  PCONP_bit.PCTIM0 = 1;
+  PCONP |= (1 << 2);                        /* Enable Timer 1 CLK           */
+//  T0TCR_bit.CE = 0;
+  T1TCR &=~(1 << 0);                        /* Disable Counter 1            */
+//  T0TCR_bit.CR = 1;
+  T1TCR |= (1 << 1);                        /* Reset Counter 1              */
+//  T0TCR_bit.CR = 0;
+  T1TCR &=~(1 << 1);                        /* Relase Reset on Counter 1    */
+//  T0CTCR_bit.CTM = 0;
+  T1CTCR &=~(1 << 0) &~(1 << 1);            /* Mode: every rising PCLK edge */
+  
+//  T0MCR_bit.MR0I = 1;
+  T1MCR |= (1 << 3);                        /* Enable Interrupt on MR1      */
+//  T0MCR_bit.MR0R = 1;
+  T1MCR |= (1 << 4);                        /* Enable reset on MR1          */
+//  T0MCR_bit.MR0S = 0; 
+  T1MCR &=~(1 << 5);                        /* Disable stop on MR1          */
+  
+  T1PR = 0;                                 /* set timer 1 period           */
+  
+  T1MR0 = SYS_GetFpclk(TIMER0_PCLK_OFFSET)/(TICK_PER_SEC);
+  // init timer 0 interrupt
+//  T0IR_bit.MR0INT = 1;
+  T1IR |= (1 << 1);                          /* clear pending interrupt     */
+  VIC_SetVectoredIRQ(Timer1IntrHandler,IntrPriority,VIC_CHAN_NUM_Timer1);
+  VICIntEnable |= 1UL << VIC_CHAN_NUM_Timer1;
+//  T0TCR_bit.CE = 1;
+  T1TCR |= (1 << 0);                        /* Enable Counter               */
+}
+
+/*************************************************************************
+ * Function Name: clock_init
+ * Parameters: none
+ *
+ * Return: none
+ *
+ * Description: The current clock time, measured in system ticks
+ *
+ *************************************************************************/
+clock_time_t clock_time(void)
+{
+  return(Ticks);
+}