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Diffstat (limited to 'macros/Hardware/AVR/AVRPWM1Setup.sci')
| -rw-r--r-- | macros/Hardware/AVR/AVRPWM1Setup.sci | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/macros/Hardware/AVR/AVRPWM1Setup.sci b/macros/Hardware/AVR/AVRPWM1Setup.sci new file mode 100644 index 00000000..fbd96ce3 --- /dev/null +++ b/macros/Hardware/AVR/AVRPWM1Setup.sci @@ -0,0 +1,79 @@ +// 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 AVRPWM1Setup(waveform_mode,output_mode,output_pin) +//Function to Setup OC1A or OC1B pin for required PWM mode +// +//Parameters +// waveform_mode: integer, from 0 to 2 +// output_mode: integer, from 0 to 1 (or 2) depending on the waveform_mode +// output_pin: 0 (for OC1A) or 1 for (OC1B) +// +//Description +// Every Micro controller has PWM pins which can generate varying voltages +// from 0V-5V.This function helps to use OC1A or OC1B pin to produces required +// output waveform by setting the waveform mode and otput mode. +// +// waveform_mode can take values- +// <itemizedlist> +// <listitem><para>0 -> for Phase correct PWM Mode</para></listitem> +// <listitem><para>1 -> for Fast PWM Mode</para></listitem> +// <listitem><para>2 -> for CTC Mode</para></listitem> +// </itemizedlist> +// +// output_mode can take values- +// <itemizedlist> +// For Phase correct PWM Mode: +// <listitem><para>0 for Clear OC1A or OC1B on compare match when up-counting. Set OC1A or OC1B on compare match when down-counting.</para></listitem> +// <listitem><para>1 for Set OC1A or OC1B on compare match when up-counting. Clear OC1A or OC1B on compare match when down-counting.</para></listitem> +// For Fast PWM Mode: +// <listitem><para>0 for non-inverted output i.e Clear OC1A or OC1B on compare match, set OC1A or OC1B at BOTTOM.</para></listitem> +// <listitem><para>1 for inverted output i.e Set OC1A or OC1B on compare match, clear OC1A or OC1B at BOTTOM.</para></listitem> +// For CTC Mode: +// <listitem><para>0 to Clear OC1A or OC1B on compare match</para></listitem> +// <listitem><para>1 to Set OC1A or OC1B on compare match</para></listitem> +// <listitem><para>2 to toggle OC1A or OC1B on compare match</para></listitem> +// </itemizedlist> +// +// This is curretly dummy function. It provides no functionality but is required +// for providing support for generating C code for AVR. +// +//Example +// AVRPWM1Setup(2,0,0); //This function will select CTC mode and will clear OC1A or OC1B +// on compare match.Also as defined the output will be produced at +// 0C1A pin. +//See also +// AVRPWM1SetDuty +// +//Authors +// Ashish Kamble +// + +if(waveform_mode>=3) then +disp("Error : Invalid input argument ''waveform_mode'' in AVRPWM1Setup function."); +end +if(waveform_mode==0|waveform_mode==1) then +{ + //if((type(output_mode)~=8)|(output_mode>=2)) then + //disp("Error : Invalid input argument ''output_mode'' in AVRPWM1Setup function."); + //end +} +end +if(waveform_mode==2) then +{ + if((type(output_mode)~=8)|(output_mode>=3)) then + disp("Error : Invalid input argument ''output_mode'' in AVRPWM1Setup function."); + end +} +end +if(output_pin>=2) then +disp("Error : Invalid input argument ''output_pin'' in AVRPWM1Setup function."); +end +endfunction |