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authorAbhinav Dronamraju2017-09-29 22:00:40 +0530
committerAbhinav Dronamraju2017-09-29 22:00:40 +0530
commit9bc7ad78e8d7d7acc4b9387aa592542832e80b31 (patch)
tree7fce060665a91de5e5adb12d02003351c3d1fdfc /src/c/hardware/avr/timer/u8AVRGetTimerValues.c
parent33755eb085a3ca8154cf83773b23fbb8aac4ba3e (diff)
parentac0045f12ad3d0938758e9742f4107a334e1afaa (diff)
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NEW FEATURES AND NEW FUNCTIONS
Diffstat (limited to 'src/c/hardware/avr/timer/u8AVRGetTimerValues.c')
-rw-r--r--src/c/hardware/avr/timer/u8AVRGetTimerValues.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/c/hardware/avr/timer/u8AVRGetTimerValues.c b/src/c/hardware/avr/timer/u8AVRGetTimerValues.c
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+// Copyright (C) 2017 - IIT Bombay - FOSSEE
+//
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution. The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+
+
+// Function to get timer count
+//
+// Calling Sequence
+// u8AVRGetTimerValues(timer)
+//
+// Parameters
+// timer: timer whose current count is to be returned (0,1,2)
+// ***Refer datasheet for more description about timer
+//
+// Description
+// This function returns the count of timer specified
+//
+//
+// Authors
+// Ashish Kamble
+//
+
+
+#include "AVRPeripheralTimer.h"
+#include <avr/interrupt.h>
+
+
+uint16 u8AVRGetTimerValues(uint16 timer)
+{ uint16_t x;
+ switch(timer)
+ {
+ case 0:
+ {
+ x = TCNT0;
+ break;
+ }
+ case 1:
+ {
+ unsigned char sreg;
+ unsigned int val;
+ sreg = SREG;
+ cli();
+ val = TCNT1;
+ SREG = sreg;
+ sei();
+ x = val;
+ break;
+ }
+ case 2:
+ {
+ x = TCNT2;
+ break;
+ }
+ }
+return x;
+}
+