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locking bugfix from Michael Baar.

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This commit is contained in:
nvt-se 2008-03-28 15:59:58 +00:00
parent 3fec8ee5e7
commit 6486460e3f
1 changed files with 10 additions and 1 deletions
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11
platform/msb430/dev/rs232.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: rs232.c,v 1.3 2007/08/20 11:01:14 nvt-se Exp $
* @(#)$Id: rs232.c,v 1.4 2008/03/28 15:59:58 nvt-se Exp $
*/
/** \addtogroup esbrs232
@ -73,11 +73,20 @@ rs232_send(char c)
before using it.
*/
putchar(c);
}
/*---------------------------------------------------------------------------*/
int
putchar(int c)
{
if (uart_get_mode() == UART_MODE_RS232) {
/* Loop until the transmission buffer is available. */
UART_WAIT_TX();
/* Transmit the data. */
UART_TX = c;
return c;
} else {
return -1;
}
}
/*---------------------------------------------------------------------------*/