libuart1init.c

Audio compression on embedded board

/*********************************************************************
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*                       Software License Agreement                   *
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*   The software supplied herewith by Microchip Technology           *
*   Incorporated (the "Company") for its dsPIC controller            *
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*   for use solely and exclusively on Microchip dsPIC                *
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/******************************************************************************
**
**  Filename:     libuart1Init.c
**
**  System:       RISC
**
**  Platform:     dsPIC30F6014A
**
**  Description:  This file contains the API libuart1Init ( ).This API 
**                initializes the UART1 on dsPIC30F device based on the 
**                settings provided by the user through dci structure.
**
*******************************************************************************/

#include "p30fxxxx.h"
#include "G711Lib_common.h"

/******************************************************************************
**
**  Function Name: libuart1Init ( ) 
**
**  Description:   This API initializes the UART1 registers.
**
********************************************************************************/
void libuart1Init ( )                         //Uart1 Initialization
{
  int temp;   						          //Temporary variable.
  temp = (int)BRG;                            //Refer the common.h file for
                                              //defination of BRG                   
  U1MODE = 0x0000;                            //Initialize and Enable UART1
                                              //for Tx and Rx
  U1STAbits.URXISEL = 0x00 ;                   //Buffer length for uart receive
                                              //to 4 characters.                                      
  U1MODEbits.UARTEN = 0x01;	                  //Enable UART
  U1BRG = temp;						          //Initialize baudrate				   
  U1STA |= 0x0400;
  IPC2bits.U1RXIP = 0x04;			          //Set UART RX interrupt priority
}
/*---------------------------------------------------------------------------
                            END OF FILE:  libuart1Init.c
----------------------------------------------------------------------------*/