blob: 39861c861ba2a5cf9f25593db983353590421b27 (
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
57
58
59
60
61
62
63
64
65
66
67
68
|
// 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 AVRPWM0Setup(waveform_mode,output_mode)
//Function to Setup OC0 pin for required PWM mode
//Description
// Every Micro controller has PWM pins which can generate varying voltages
// from 0V-5V.This function helps to use OC0 pin to produce required
// output waveform by setting the waveform mode and otput mode.
//
//Parameters
// waveform_mode:
// 0 for Phase correct PWM Mode
// 1 for Fast PWM Mode
// 2 for CTC Mode
// output_mode:
// For Phase Correct PWM Mode:
// 0 for Clear OC0 on compare match when up-counting. Set OC0 on compare
// match when down-counting.
// 1 for Set OC0 on compare match when up-counting. Clear OC0 on compare
// match when down-counting.
//
// For Fast PWM Mode:
// 0 for non-inverted output i.e Clear OC0 on compare match, set OC0 at BOTTOM.
// 1 for inverted output i.e Set OC0 on compare match, clear OC0 at BOTTOM.
//
// For CTC Mode:
// 0 to Clear OC0 on compare match
// 1 to Set OC0 on compare match
// 2 to toggle OC0 on compare match
//
//Example
// AVRPWM0Setup(2,0); //This function will select CTC waveform mode and will clear OC0 on
// compare match
//See also
// AVRPWM0SetDuty
//
//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(waveform_mode>=3) then
disp("Error : Invalid input argument ''waveform_mode'' in AVRPWM0Setup function.");
end
if((waveform_mode==0)|(waveform_mode==1)) then
if(output_mode>=2) then
disp("Error : Invalid input argument ''output_mode'' in AVRPWM0Setup function.");
end
end
if(waveform_mode==2) then
if(output_mode>=3) then
disp("Error : Invalid input argument ''output_mode'' in AVRPWM0Setup function.");
end
end
endfunction
|
