From 8c5a743259480ebd0cfdbb17fbde8584e34b2aa4 Mon Sep 17 00:00:00 2001
From: Bert Lange <b.lange@hzdr.de>
Date: Wed, 15 Apr 2015 13:54:39 +0200
Subject: clean up

---
 mig_test/software/libhal/timer.c | 132 ---------------------------------------
 1 file changed, 132 deletions(-)
 delete mode 100644 mig_test/software/libhal/timer.c

(limited to 'mig_test/software/libhal/timer.c')

diff --git a/mig_test/software/libhal/timer.c b/mig_test/software/libhal/timer.c
deleted file mode 100644
index 789c565..0000000
--- a/mig_test/software/libhal/timer.c
+++ /dev/null
@@ -1,132 +0,0 @@
-#include "peripherie.h"
-
-#include "timer.h"
-
-////////////////////////////////////////
-// timer functions
-// timer 0.0 is used for usleep
-// timer 0.0 is used for msleep
-// timer 0.0 is used for sleep (via msleep)
-//
-// timer 0.0 ticks with milliseconds
-// timer 0.1 ticks with seconds
-
-
-// wait for a given time in micro seconds
-void usleep(uint32_t usec)
-{
-    uint32_t tcr;
-
-    // 1 usec = 6
-    timer0->e[0].reload = (F_CPU/TIMER_PRESCALER/1000000)*usec;
-    timer0->e[0].ctrl   = TIMER_ENABLE | TIMER_LOAD;
-
-    do 
-    {
-        tcr = timer0->e[0].ctrl;
-    } while ( (tcr & TIMER_ENABLE));
-}
-
-
-// wait for given time in milli seconds
-void msleep(uint32_t msec)
-{
-    uint32_t tcr;
-
-    // some values for 50MHz @ Spartan 3e
-    // 1 msec    = 6250
-    // 167 msec  = 2**20 (20 bit counter) 391 slices
-    // 2684 msec = 2**24 (24 bit counter) 450 slices
-    //           = 2**32 (32 bit counter) 572 slices
-    // some values for 52MHz @ Spartan 6
-    // 1 msec    = 6500
-    // 161 msec  = 2**20 (20 bit counter)
-    // 2581 msec = 2**24 (24 bit counter) 450 slices
-    // 660 sec   = 2**32 (32 bit counter) 572 slices
-    timer0->e[0].reload = (F_CPU/TIMER_PRESCALER/1000)*msec;
-    timer0->e[0].ctrl   = TIMER_ENABLE | TIMER_LOAD;
-
-    do 
-    {
-        tcr = timer0->e[0].ctrl;
-    } while ( (tcr & TIMER_ENABLE));
-}
-
-
-// wait for given time in seconds
-void sleep(uint32_t sec)
-{
-    uint32_t timer;
-
-    for (timer=0; timer<sec; timer++)
-    {
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-        msleep( 100);
-    }
-}
-
-
-
-// deliver the milliseconds from timer 0.0
-uint32_t msecs( void)
-{
-    return( timer0->e[0].value);
-}
-
-
-// deliver the seconds from timer 0.1
-uint32_t seconds( void)
-{
-    return( timer0->e[1].value);
-}
-
-
-// deliver the time (in seconds and fraction) from timer
-uint32_t get_time( void)
-{
-    uint32_t value;
-
-    TIMER_STOP;
-
-    // combine values (seconds.milliseconds)
-    value = timer0->e[1].value * 1000 + timer0->e[0].value;
-
-    TIMER_RUN;
-
-    return( value);
-}
-
-
-// just a loop
-void wait( uint32_t value)
-{
-    uint32_t i;
-
-    for (i=0; i<value; i++) {}
-}
-
-
-// initialisation for the timer
-void timer_init( void)
-{
-    timer0->scaler_reload = TIMER_PRESCALER-1; // set prescaler
-    
-    // set timer 0.1 in chain mode to timer 0.0
-    // so it counts in seconds
-    timer0->e[1].reload = 0xffffffff;
-    timer0->e[1].ctrl   = TIMER_ENABLE | TIMER_RESTART | TIMER_LOAD | TIMER_CHAIN;
-    
-    // set timer 0.0 to free running in msec 
-    timer0->e[0].reload = (F_CPU/TIMER_PRESCALER/CLOCKS_PER_SECOND);
-    timer0->e[0].ctrl   = TIMER_ENABLE | TIMER_RESTART | TIMER_LOAD;
-}
-
-
-- 
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