blob: 7c5dd1da4bf12f2d038eadffa91c0901fc86ef15 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// 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 AVRTimerSetup(timer,prescaler,clock_source)
//Function to setup Timers in ATmega16
//Descrpition:
// This function tells the micro controller which clock source you will be using.
// The timer value and prescaler value passed in this function setup the timer as per
// your requirement.
//
//Parameters:
// timer : It is an integer value.
// 0 to setup timer0
// 1 to setup timer1
// 2 to setup timer2
// prescaler : It is an integer value.
// 1 for no prescaling i.e clock will run at max 16Hz frequency
// 8 for prescaling clock by 8 i.e new clock frequency will be (clk/8)
// 64 for prescaling clock by 64 i.e new clock frequency will be (clk/64)
// 256 for prescaling clock by 256 i.e new clock frequency will be (clk/256)
// 1024 for prescaling clock by 1024 i.e new clock frequency will be (clk/1024)
// clock_source : It is an integer value.
// 0 if you are using internal clock source
// 1 if you are using external clock source
//Example
// AVRTimerSetup(0,64,0); //This function will select timer0 with timer running as per
// internal clock source and prescaled by 64.
//
//See also
// AVRGetTimerValues
//
//Authors
// Ashish Kamble
//
//This is curretly dummy function. It provides no functionality but is required
//for providing support for generating C code for AVR.
if(timer>=3) then
disp("Error : Invalid input argument ''timer'' in AVRTimerSetup function.");
end
if(~((prescaler==1)|(prescaler==8)|(prescaler==64)|(prescaler==256)|(prescaler==1024))) then
disp("Error : Invalid input argument ''prescaler'' in AVRTimerSetup function.");
end
if(clock_source>=2) then
disp("Error : Invalid input argument ''clock_source'' in AVRTimerSetup function.");
end
endfunction
|
