Changed the return value of the inpt handler function to int so that it can wake up the CPU from LPM
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7f05b8a5ef
commit
e16b7ffcf0
2 changed files with 12 additions and 9 deletions
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@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* SUCH DAMAGE.
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*
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*
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* @(#)$Id: uart1.c,v 1.3 2007/09/06 11:45:08 nvt-se Exp $
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* @(#)$Id: uart1.c,v 1.4 2008/01/08 08:04:09 adamdunkels Exp $
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*/
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*/
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/*
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/*
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@ -40,11 +40,13 @@
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#include "lib/energest.h"
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#include "lib/energest.h"
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#include "dev/uart1.h"
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#include "dev/uart1.h"
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static void (*uart1_input_handler)(unsigned char c);
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#include "dev/leds.h"
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static int (*uart1_input_handler)(unsigned char c);
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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void
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void
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uart1_set_input(void (*input)(unsigned char c))
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uart1_set_input(int (*input)(unsigned char c))
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{
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{
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uart1_input_handler = input;
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uart1_input_handler = input;
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}
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}
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@ -53,7 +55,7 @@ void
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uart1_writeb(unsigned char c)
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uart1_writeb(unsigned char c)
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{
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{
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/* Loop until the transmission buffer is available. */
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/* Loop until the transmission buffer is available. */
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while ((IFG2 & UTXIFG1) == 0);
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while((IFG2 & UTXIFG1) == 0);
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/* Transmit the data. */
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/* Transmit the data. */
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TXBUF1 = c;
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TXBUF1 = c;
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@ -126,11 +128,12 @@ uart1_interrupt(void)
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volatile unsigned dummy;
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volatile unsigned dummy;
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dummy = RXBUF1; /* Clear error flags by forcing a dummy read. */
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dummy = RXBUF1; /* Clear error flags by forcing a dummy read. */
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} else {
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} else {
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if (uart1_input_handler != NULL) {
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if(uart1_input_handler != NULL) {
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uart1_input_handler(RXBUF1);
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if(uart1_input_handler(RXBUF1)) {
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LPM4_EXIT;
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LPM4_EXIT;
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}
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}
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}
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}
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}
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ENERGEST_OFF(ENERGEST_TYPE_IRQ);
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ENERGEST_OFF(ENERGEST_TYPE_IRQ);
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}
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}
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/*---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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@ -28,7 +28,7 @@
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*
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*
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* This file is part of the Contiki operating system.
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* This file is part of the Contiki operating system.
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*
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*
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* $Id: uart1.h,v 1.2 2007/09/06 11:45:08 nvt-se Exp $
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* $Id: uart1.h,v 1.3 2008/01/08 08:04:09 adamdunkels Exp $
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*/
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*/
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/**
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/**
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@ -45,7 +45,7 @@
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#define UART1_BAUD2UBR(baud) ((MSP430_CPU_SPEED)/(baud))
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#define UART1_BAUD2UBR(baud) ((MSP430_CPU_SPEED)/(baud))
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void uart1_set_input(void (*input)(unsigned char c));
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void uart1_set_input(int (*input)(unsigned char c));
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void uart1_writeb(unsigned char c);
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void uart1_writeb(unsigned char c);
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void uart1_init(unsigned long ubr);
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void uart1_init(unsigned long ubr);
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