/*=============================================================================
//
//      hal_diag.c
//
//      HAL diagnostic output code
//
//=============================================================================
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// for more details.                                                        
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//
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//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   ysato
// Contributors: ysato
// Date:        2002-04-05
// Purpose:     HAL diagnostic output
// Description: Implementations of HAL diagnostic output support.
//
//####DESCRIPTIONEND####
//
//===========================================================================*/

#include <pkgconf/hal.h>

#include <cyg/hal/hal_diag.h>
#include <cyg/hal/h8_sci.h>
#include <cyg/hal/var_intr.h>

#define SCI_BASE ((cyg_uint8*)CYGHAL_PLF_SCI_BASE)

static channel_data_t channel = { (cyg_uint8*)SCI_BASE, 0, 0};

void
cyg_hal_plf_comms_init(void)
{
    static int initialized = 0;

    if (initialized)
        return;

    initialized = 1;

    cyg_hal_plf_sci_init(0, 0, CYGNUM_HAL_INTERRUPT_RXI0, SCI_BASE);
}

void hal_diag_init(void)
{
    cyg_hal_plf_sci_init_channel(&channel);
}

void 
hal_diag_write_char( cyg_uint8 c )
{
    cyg_hal_plf_sci_putc(&channel, c);
}

void
hal_diag_read_char(cyg_uint8 *c)
{
    *c = (char) cyg_hal_plf_sci_getc(&channel);
}

/*===========================================================================*/
/* EOF hal_diag.c                                                            */

