ext/hal/altera/drivers/altera_avalon_uart/LWHAL/src/altera_avalon_uart_lwhal_putchar.c

/******************************************************************************
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* License Agreement                                                           *
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* Copyright (c) 2010 Altera Corporation, San Jose, California, USA.           *
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#include "altera_avalon_uart_regs.h"
#include "altera_avalon_uart_lwhal.h"


/** @Function Description:  Writes a single character to the UART.
  * @API Type:              External
  * @param base             UART base address
  * @param character        Character to be written
  * @return                 None
  *                         
  */
void altera_avalon_uart_lwhal_putchar(void *base, int character)
{
    unsigned int status;
      
    do {
        status = IORD_ALTERA_AVALON_UART_STATUS(base);
   
        if (status & ALTERA_AVALON_UART_STATUS_TRDY_MSK)
        {
          IOWR_ALTERA_AVALON_UART_TXDATA(base, (character & 0xff));
          return;
        }
    }while (1);
    
    return;
}