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Made SLIP code coexist with ordinary serial code. If WITH_UIP=1, the SLIP code is used instead.
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adamdunkels
parent
e68d669265
commit
cf5ff2bbb2
@ -1,4 +1,4 @@
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# $Id: Makefile.msp430,v 1.22 2008/01/08 08:01:01 adamdunkels Exp $
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# $Id: Makefile.msp430,v 1.23 2008/02/03 20:59:35 adamdunkels Exp $
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ifdef nodeid
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CFLAGS += -DNODEID=$(nodeid)
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@ -14,7 +14,7 @@ CONTIKI_CPU=$(CONTIKI)/cpu/msp430
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CONTIKI_CPU_DIRS = . dev
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MSP430 = msp430.c flash.c clock.c leds.c leds-arch.c \
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watchdog.c lpm.c mtarch.c uart1.c rtimer-arch.c
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watchdog.c lpm.c mtarch.c uart1.c slip_uart1.c rtimer-arch.c
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UIPDRIVERS = me.c me_tabs.c slip.c crc16.c
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#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
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SYSAPPS = #codeprop-tmp.c
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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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* SUCH DAMAGE.
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*
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* @(#)$Id: uart1.c,v 1.4 2008/01/08 08:04:09 adamdunkels Exp $
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* @(#)$Id: uart1.c,v 1.5 2008/02/03 20:59:35 adamdunkels Exp $
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*/
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/*
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@ -39,8 +39,8 @@
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#include "lib/energest.h"
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#include "dev/uart1.h"
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#include "dev/leds.h"
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#include "dev/watchdog.h"
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static int (*uart1_input_handler)(unsigned char c);
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@ -54,6 +54,7 @@ uart1_set_input(int (*input)(unsigned char c))
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void
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uart1_writeb(unsigned char c)
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{
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watchdog_periodic();
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/* Loop until the transmission buffer is available. */
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while((IFG2 & UTXIFG1) == 0);
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@ -61,12 +62,14 @@ uart1_writeb(unsigned char c)
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TXBUF1 = c;
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}
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/*---------------------------------------------------------------------------*/
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#if ! WITH_UIP /* If WITH_UIP is defined, putchar() is defined by the SLIP driver */
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int
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putchar(int c)
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{
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uart1_writeb((char)c);
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return c;
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}
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#endif /* ! WITH_UIP */
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/*---------------------------------------------------------------------------*/
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/**
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* Initalize the RS232 port.
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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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* SUCH DAMAGE.
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*
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* @(#)$Id: slip_uart1.c,v 1.7 2007/05/22 21:00:27 adamdunkels Exp $
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* @(#)$Id: slip_uart1.c,v 1.8 2008/02/03 20:59:35 adamdunkels Exp $
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*/
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/*
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@ -39,23 +39,22 @@
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#include "contiki.h"
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#include "dev/slip.h"
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#include "dev/uart1.h"
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/*---------------------------------------------------------------------------*/
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void
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slip_arch_writeb(unsigned char c)
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{
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/* Loop until the transmission buffer is available. */
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while ((IFG2 & UTXIFG1) == 0);
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/* Transmit the data. */
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TXBUF1 = c;
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uart1_writeb(c);
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}
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/*---------------------------------------------------------------------------*/
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/*
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* The serial line is used to transfer IP packets using slip. To make
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* it possible to send debug output over the same line we send debug
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* output as slip frames (i.e delimeted by SLIP_END).
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*
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*/
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/*---------------------------------------------------------------------------*/
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#if WITH_UIP
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int
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putchar(int c)
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{
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@ -81,7 +80,8 @@ putchar(int c)
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return c;
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}
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#endif
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/*---------------------------------------------------------------------------*/
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/**
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* Initalize the RS232 port and the SLIP driver.
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*
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@ -89,62 +89,6 @@ putchar(int c)
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void
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slip_arch_init(unsigned long ubr)
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{
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/* RS232 */
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P3DIR &= ~0x80; /* Select P37 for input (UART1RX) */
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P3DIR |= 0x40; /* Select P36 for output (UART1TX) */
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P3SEL |= 0xC0; /* Select P36,P37 for UART1{TX,RX} */
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UCTL1 = SWRST | CHAR; /* 8-bit character, UART mode */
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#if 0
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U1RCTL &= ~URXEIE; /* even erroneous characters trigger interrupts */
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#endif
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UTCTL1 = SSEL1; /* UCLK = MCLK */
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UBR01 = ubr;
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UBR11 = ubr >> 8; /* always zero */
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/*
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* UMCTL1 values calculated using
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* http://mspgcc.sourceforge.net/baudrate.html and are not
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* complete. Also the table assumes that F_CPU = 2,457,600 Hz.
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*/
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switch (ubr) {
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case BAUD2UBR(115200):
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UMCTL1 = 0x4a;
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break;
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case BAUD2UBR(57600):
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UMCTL1 = 0x5b;
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break;
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case BAUD2UBR(19600):
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UMCTL1 = 0x4a;
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break;
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default:
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UMCTL1 = 0x00;
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}
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ME2 &= ~USPIE1; /* USART1 SPI module disable */
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ME2 |= (UTXE1 | URXE1); /* Enable USART1 TXD/RXD */
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UCTL1 &= ~SWRST;
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/* XXX Clear pending interrupts before enable!!! */
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IE2 |= URXIE1; /* Enable USART1 RX interrupt */
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}
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interrupt(UART1RX_VECTOR)
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__uart1_intr()
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{
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ENERGEST_ON(ENERGEST_TYPE_IRQ);
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/* Check status register for receive errors. */
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if(URCTL1 & RXERR) {
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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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} else {
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if(slip_input_byte(RXBUF1)) {
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LPM4_EXIT;
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}
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}
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ENERGEST_OFF(ENERGEST_TYPE_IRQ);
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uart1_set_input(slip_input_byte);
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}
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/*---------------------------------------------------------------------------*/
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