/*****************************************************************************
*
* Atmel Corporation
*
* File              : serial.c
* Compiler          : IAR C 3.10C Kickstart, AVR-GCC/avr-libc(>= 1.2.5)
* Revision          : $Revision: 1.7 $
* Date              : $Date: Tuesday, June 07, 200 $
* Updated by        : $Author: raapeland $
*
* Support mail      : avr@atmel.com
*
* Target platform   : All AVRs with bootloader support
*
* AppNote           : AVR109 - Self-programming
*
* Description       : UART communication routines
****************************************************************************/
#include "defines.h"


void initbootuart(
    void)
{
    BAUD_RATE_LOW_REG = BRREG_VALUE;
    UART_CONTROL_REG = (1 << ENABLE_RECEIVER_BIT) | (1 << ENABLE_TRANSMITTER_BIT);      /* enable receive and transmit  */
}


void sendchar(
    unsigned char c)
{
    UART_DATA_REG = c;  /* prepare transmission */
    while (!(UART_STATUS_REG & (1 << TRANSMIT_COMPLETE_BIT)));  /* wait until byte sendt */
    UART_STATUS_REG |= (1 << TRANSMIT_COMPLETE_BIT);    /* delete TXCflag */
}


unsigned char recchar(
    void)
{
    while (!(UART_STATUS_REG & (1 << RECEIVE_COMPLETE_BIT)));   /* wait for data */
    return UART_DATA_REG;
}