/* console_write --
* Write to the console device
*
* PARAMETERS:
* major - major device number for console devices
* minor - minor device number for console
* arg - device write argument
*
* RETURNS:
* RTEMS error code
*/
rtems_device_driver
console_write(rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg)
{
switch (console_mode)
{
case CONSOLE_MODE_POLL:
case CONSOLE_MODE_INT:
return rtems_termios_write (arg);
case CONSOLE_MODE_RAW:
{
rtems_libio_rw_args_t *argp = arg;
char cr = '\r';
char *buf = argp->buffer;
int count = argp->count;
int i;
for (i = 0; i < count; i++)
{
if (*buf == '\n')
sh4uart_poll_write(&sh4_uarts[minor], &cr, 1);
sh4uart_poll_write(&sh4_uarts[minor], buf, 1);
buf++;
}
argp->bytes_moved = count;
return RTEMS_SUCCESSFUL;
}
#ifdef SH4_WITH_IPL
case CONSOLE_MODE_IPL:
{
rtems_libio_rw_args_t *argp = arg;
char *buf = argp->buffer;
int count = argp->count;
ipl_console_poll_write(minor, buf, count);
argp->bytes_moved = count;
return RTEMS_SUCCESSFUL;
}
#endif
default: /* Unreachable */
return RTEMS_NOT_DEFINED;
}
}
/*
* sh4uart_init --
* This function verifies the input parameters and perform initialization
* of the SH-4 on-chip UART descriptor structure.
*
* PARAMETERS:
* uart - pointer to the UART channel descriptor structure
* tty - pointer to termios structure
* chn - channel number (SH4_SCI/SH4_SCIF -- 1/2)
* int_driven - interrupt-driven (1) or polled (0) I/O mode
*
* RETURNS:
* RTEMS_SUCCESSFUL if all parameters are valid, or error code
*/
rtems_status_code
sh4uart_init(sh4uart *uart, void *tty, int chn, int int_driven)
{
if (uart == NULL)
return RTEMS_INVALID_ADDRESS;
if ((chn != SH4_SCI) && (chn != SH4_SCIF))
return RTEMS_INVALID_NUMBER;
uart->chn = chn;
uart->tty = tty;
uart->int_driven = int_driven;
#if 0
sh4uart_poll_write(uart, "init", 4);
#endif
return RTEMS_SUCCESSFUL;
}
/* console_poll_write --
* wrapper for polling mode write function
*
* PARAMETERS:
* minor - minor device number
* buf - output buffer
* len - output buffer length
*
* RETURNS:
* result code
*/
static ssize_t
console_poll_write(int minor, const char *buf, size_t len)
{
return sh4uart_poll_write(&sh4_uarts[minor], buf, len);
}
