Made SLIP code coexist with ordinary serial code. If WITH_UIP=1, the SLIP code is used instead.

This commit is contained in:
adamdunkels 2008-02-03 20:59:35 +00:00
parent e68d669265
commit cf5ff2bbb2
3 changed files with 18 additions and 71 deletions

View File

@ -1,4 +1,4 @@
# $Id: Makefile.msp430,v 1.22 2008/01/08 08:01:01 adamdunkels Exp $
# $Id: Makefile.msp430,v 1.23 2008/02/03 20:59:35 adamdunkels Exp $
ifdef nodeid
CFLAGS += -DNODEID=$(nodeid)
@ -14,7 +14,7 @@ CONTIKI_CPU=$(CONTIKI)/cpu/msp430
CONTIKI_CPU_DIRS = . dev
MSP430 = msp430.c flash.c clock.c leds.c leds-arch.c \
watchdog.c lpm.c mtarch.c uart1.c rtimer-arch.c
watchdog.c lpm.c mtarch.c uart1.c slip_uart1.c rtimer-arch.c
UIPDRIVERS = me.c me_tabs.c slip.c crc16.c
#UIPDRIVERS = me.c me_tabs.c crc16.c ppp/ahdlc.c ppp/ipcp.c ppp/lcp.c ppp/pap.c ppp/ppp.c ppp/ppp_process.c
SYSAPPS = #codeprop-tmp.c

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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)$Id: uart1.c,v 1.4 2008/01/08 08:04:09 adamdunkels Exp $
* @(#)$Id: uart1.c,v 1.5 2008/02/03 20:59:35 adamdunkels Exp $
*/
/*
@ -39,8 +39,8 @@
#include "lib/energest.h"
#include "dev/uart1.h"
#include "dev/leds.h"
#include "dev/watchdog.h"
static int (*uart1_input_handler)(unsigned char c);
@ -54,6 +54,7 @@ uart1_set_input(int (*input)(unsigned char c))
void
uart1_writeb(unsigned char c)
{
watchdog_periodic();
/* Loop until the transmission buffer is available. */
while((IFG2 & UTXIFG1) == 0);
@ -61,12 +62,14 @@ uart1_writeb(unsigned char c)
TXBUF1 = c;
}
/*---------------------------------------------------------------------------*/
#if ! WITH_UIP /* If WITH_UIP is defined, putchar() is defined by the SLIP driver */
int
putchar(int c)
{
uart1_writeb((char)c);
return c;
}
#endif /* ! WITH_UIP */
/*---------------------------------------------------------------------------*/
/**
* Initalize the RS232 port.

View File

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)$Id: slip_uart1.c,v 1.7 2007/05/22 21:00:27 adamdunkels Exp $
* @(#)$Id: slip_uart1.c,v 1.8 2008/02/03 20:59:35 adamdunkels Exp $
*/
/*
@ -39,23 +39,22 @@
#include "contiki.h"
#include "dev/slip.h"
#include "dev/uart1.h"
/*---------------------------------------------------------------------------*/
void
slip_arch_writeb(unsigned char c)
{
/* Loop until the transmission buffer is available. */
while ((IFG2 & UTXIFG1) == 0);
/* Transmit the data. */
TXBUF1 = c;
uart1_writeb(c);
}
/*---------------------------------------------------------------------------*/
/*
* The serial line is used to transfer IP packets using slip. To make
* it possible to send debug output over the same line we send debug
* output as slip frames (i.e delimeted by SLIP_END).
*
*/
/*---------------------------------------------------------------------------*/
#if WITH_UIP
int
putchar(int c)
{
@ -81,7 +80,8 @@ putchar(int c)
return c;
}
#endif
/*---------------------------------------------------------------------------*/
/**
* Initalize the RS232 port and the SLIP driver.
*
@ -89,62 +89,6 @@ putchar(int c)
void
slip_arch_init(unsigned long ubr)
{
/* RS232 */
P3DIR &= ~0x80; /* Select P37 for input (UART1RX) */
P3DIR |= 0x40; /* Select P36 for output (UART1TX) */
P3SEL |= 0xC0; /* Select P36,P37 for UART1{TX,RX} */
UCTL1 = SWRST | CHAR; /* 8-bit character, UART mode */
#if 0
U1RCTL &= ~URXEIE; /* even erroneous characters trigger interrupts */
#endif
UTCTL1 = SSEL1; /* UCLK = MCLK */
UBR01 = ubr;
UBR11 = ubr >> 8; /* always zero */
/*
* UMCTL1 values calculated using
* http://mspgcc.sourceforge.net/baudrate.html and are not
* complete. Also the table assumes that F_CPU = 2,457,600 Hz.
*/
switch (ubr) {
case BAUD2UBR(115200):
UMCTL1 = 0x4a;
break;
case BAUD2UBR(57600):
UMCTL1 = 0x5b;
break;
case BAUD2UBR(19600):
UMCTL1 = 0x4a;
break;
default:
UMCTL1 = 0x00;
}
ME2 &= ~USPIE1; /* USART1 SPI module disable */
ME2 |= (UTXE1 | URXE1); /* Enable USART1 TXD/RXD */
UCTL1 &= ~SWRST;
/* XXX Clear pending interrupts before enable!!! */
IE2 |= URXIE1; /* Enable USART1 RX interrupt */
}
interrupt(UART1RX_VECTOR)
__uart1_intr()
{
ENERGEST_ON(ENERGEST_TYPE_IRQ);
/* Check status register for receive errors. */
if(URCTL1 & RXERR) {
volatile unsigned dummy;
dummy = RXBUF1; /* Clear error flags by forcing a dummy read. */
} else {
if(slip_input_byte(RXBUF1)) {
LPM4_EXIT;
}
}
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
uart1_set_input(slip_input_byte);
}
/*---------------------------------------------------------------------------*/