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Diffstat (limited to 'macros/Hardware/AVR/AVRUARTSetup.sci')
| -rw-r--r-- | macros/Hardware/AVR/AVRUARTSetup.sci | 70 |
1 files changed, 50 insertions, 20 deletions
diff --git a/macros/Hardware/AVR/AVRUARTSetup.sci b/macros/Hardware/AVR/AVRUARTSetup.sci index 1529c347..32e5db86 100644 --- a/macros/Hardware/AVR/AVRUARTSetup.sci +++ b/macros/Hardware/AVR/AVRUARTSetup.sci @@ -1,31 +1,61 @@ -function AVRTimerSetup(timer, prescalar) -// Function to set the prescalar for timer. +// Copyright (C) 2017 - IIT Bombay - FOSSEE // -// Calling Sequence -// AVRTimerSetup(timer, prescalar) -// -// Parameters -// timer: timer to be set up (0,1,2) -// prescalar: prescalar to be used for timer (0-7) -// ***Refer datasheet for more description about timer -// +// 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 AVRUARTSetup(mode, baudrate, stopbits, parity) +// Function to Setup Serial Communication i.e UART or USART in ATmega16. // Description -// This function sets prescalr for timers. 'timer' decides which of the -// three (0,1,2) timers available to be used. The 'prescalar' is needed for -// deciding timer clock. Select appropriate prescalar depending on MCU clock -// and requirement. -// +// This function Setup the UART or USART for Serial Communicaion between ATmega16 +// and different micro controllers or between ATmega16 and Computer. +// +// Parameters +// mode : +// 0 for Asynchronous Normal mode +// 1 for Asynchronous Double Speed mode +// 2 for Synchronous mode +// +// baudrate : Enter one of the following available baudrates +// 2400 , 4800 , 9600 , 14400 , 19200 , 28800 , 38400 , 57600 , +// 768000 , 115200 , 230400 , 250000 , 1000000 . // -// Examples -// AVRTimerSetup(0,1) //Timer 0 with no scaling +// stopbits : +// 0 for one stopbit +// 1 for two stopbits // +// parity : +// 0 for parity disabled +// 1 for even parity +// 2 for odd parity +// +//Examples +// AVRUARTSetup(0,9600,0,0); //This function will enable UART Communication for ATmega16 +// with 9600 as baudrate,one stop bit and parity disabled // See also -// AVRGetTimerValue +// AVRUARTTransmit +// AVRUARTReceive // // Authors -// Siddhesh Wani +// Ashish Kamble // - // This is curretly dummy function. It provides no functionality but is required // for providing support for generating C code for AVR. +if(mode>=3) then +disp("Error : Invalid input argument ''mode'' in AVRUARTSetup function."); +end + +if((baudrate <> 2400)&(baudrate <> 4800)&(baudrate <> 9600)&(baudrate <> 14400)&(baudrate <> 28800)&(baudrate <> 38400)&(baudrate <> 57600)&(baudrate <> 768000)&(baudrate <> 115200)&(baudrate <> 230400)&(baudrate <> 250000)& (baudrate <> 1000000)) then +disp("Error : Invalid input argument ''baudrate'' in AVRUARTSetup function."); +end +if(stopbits>=2) then +disp("Error : Invalid input argument ''stopbits'' in AVRUARTSetup function."); +end +if(parity>=3) then +disp("Error : Invalid input argument ''parity'' in AVRUARTSetup function."); +end endfunction |