Apple-2-SW/contiki
1
0
Fork 0
mirror of https://github.com/oliverschmidt/contiki.git synced 2024-12-30 15:30:30 +00:00
Code Issues Projects Releases Wiki Activity

Changed the return value of the inpt handler function to int so that it can wake up the CPU from LPM

Browse Source
This commit is contained in:
adamdunkels 2008-01-08 08:04:09 +00:00
parent 7f05b8a5ef
commit e16b7ffcf0
2 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
cpu/msp430/dev/uart1.c
View File

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)$Id: uart1.c,v 1.3 2007/09/06 11:45:08 nvt-se Exp $
* @(#)$Id: uart1.c,v 1.4 2008/01/08 08:04:09 adamdunkels Exp $
*/
/*
@ -40,11 +40,13 @@
#include "lib/energest.h"
#include "dev/uart1.h"
static void (*uart1_input_handler)(unsigned char c);
#include "dev/leds.h"
static int (*uart1_input_handler)(unsigned char c);
/*---------------------------------------------------------------------------*/
void
uart1_set_input(void (*input)(unsigned char c))
uart1_set_input(int (*input)(unsigned char c))
{
uart1_input_handler = input;
}
@ -53,7 +55,7 @@ void
uart1_writeb(unsigned char c)
{
/* Loop until the transmission buffer is available. */
while ((IFG2 & UTXIFG1) == 0);
while((IFG2 & UTXIFG1) == 0);
/* Transmit the data. */
TXBUF1 = c;
@ -126,11 +128,12 @@ uart1_interrupt(void)
volatile unsigned dummy;
dummy = RXBUF1; /* Clear error flags by forcing a dummy read. */
} else {
if (uart1_input_handler != NULL) {
uart1_input_handler(RXBUF1);
if(uart1_input_handler != NULL) {
if(uart1_input_handler(RXBUF1)) {
LPM4_EXIT;
}
}
}
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
}
/*---------------------------------------------------------------------------*/

4
cpu/msp430/dev/uart1.h
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: uart1.h,v 1.2 2007/09/06 11:45:08 nvt-se Exp $
* $Id: uart1.h,v 1.3 2008/01/08 08:04:09 adamdunkels Exp $
*/
/**
@ -45,7 +45,7 @@
#define UART1_BAUD2UBR(baud) ((MSP430_CPU_SPEED)/(baud))
void uart1_set_input(void (*input)(unsigned char c));
void uart1_set_input(int (*input)(unsigned char c));
void uart1_writeb(unsigned char c);
void uart1_init(unsigned long ubr);