contiki/platform/msb430/contiki-msb430-main.c

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/*
* Copyright (c) 2007, Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* Main system file for the MSB-430 port.
* \author
* Michael Baar <baar@inf.fu-berlin.de>, Nicolas Tsiftes <nvt@sics.se>
*/
#include <stdio.h>
#include <string.h>
#include "contiki.h"
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#include "contiki-msb430.h"
#include "dev/adc.h"
#include "dev/sd.h"
#include "dev/serial-line.h"
#include "dev/sht11.h"
#include "dev/watchdog.h"
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extern volatile bool uart_edge;
extern void init_net(void);
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SENSORS(NULL);
static void
msb_ports_init(void)
{
P1SEL = 0x00; P1OUT = 0x00; P1DIR = 0x00;
P2SEL = 0x00; P2OUT = 0x18; P2DIR = 0x1A;
P3SEL = 0x00; P3OUT = 0x09; P3DIR = 0x21;
P4SEL = 0x00; P4OUT = 0x00; P4DIR = 0x00;
P5SEL = 0x0E; P5OUT = 0xF9; P5DIR = 0xFD;
P6SEL = 0x07; P6OUT = 0x00; P6DIR = 0xC8;
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}
int
main(void)
{
#if WITH_SD
int r;
#endif /* WITH_SD */
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msp430_cpu_init();
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watchdog_stop();
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/* Platform-specific initialization. */
msb_ports_init();
adc_init();
clock_init();
rtimer_init();
sht11_init();
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leds_init();
leds_on(LEDS_ALL);
process_init();
/* serial interface */
rs232_set_input(serial_line_input_byte);
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rs232_init();
serial_line_init();
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uart_lock(UART_MODE_RS232);
uart_unlock(UART_MODE_RS232);
#if WITH_UIP
slip_arch_init(BAUD2UBR(115200));
#endif
#if WITH_SD
r = sd_initialize();
if(r < 0) {
printf("Failed to initialize the SD driver: %s\n", sd_error_string(r));
} else {
sd_offset_t capacity;
printf("The SD driver was successfully initialized\n");
capacity = sd_get_capacity();
if(capacity < 0) {
printf("Failed to get the SD card capacity: %s\n", sd_error_string(r));
} else {
printf("SD card capacity: %u MB\n",
(unsigned)(capacity / (1024UL * 1024)));
}
}
#endif
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node_id_restore();
/* System timers */
process_start(&etimer_process, NULL);
ctimer_init();
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/* Networking stack. */
NETSTACK_RADIO.init();
NETSTACK_RDC.init();
NETSTACK_MAC.init();
NETSTACK_NETWORK.init();
{
rimeaddr_t rimeaddr;
rimeaddr.u8[0] = node_id & 0xff;
rimeaddr.u8[1] = node_id >> 8;
rimeaddr_set_node_addr(&rimeaddr);
}
energest_init();
#if PROFILE_CONF_ON
profile_init();
#endif /* PROFILE_CONF_ON */
leds_off(LEDS_ALL);
printf("Node %d.%d: %s %s, channel check rate %u Hz\n",
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rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
NETSTACK_MAC.name, NETSTACK_RDC.name,
CLOCK_SECOND / (NETSTACK_RDC.channel_check_interval() == 0 ?
1 : (unsigned)NETSTACK_RDC.channel_check_interval()));
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autostart_start(autostart_processes);
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/*
* This is the scheduler loop.
*/
ENERGEST_ON(ENERGEST_TYPE_CPU);
while (1) {
int r;
#if PROFILE_CONF_ON
profile_episode_start();
#endif /* PROFILE_CONF_ON */
do {
/* Reset watchdog. */
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watchdog_periodic();
r = process_run();
} while(r > 0);
#if PROFILE_CONF_ON
profile_episode_end();
#endif /* PROFILE_CONF_ON */
/*
* Idle processing.
*/
int s = splhigh(); /* Disable interrupts. */
if (process_nevents() != 0) {
splx(s); /* Re-enable interrupts. */
} else {
static unsigned long irq_energest = 0;
/* Re-enable interrupts and go to sleep atomically. */
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ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_LPM);
/*
* We only want to measure the processing done in IRQs when we
* are asleep, so we discard the processing time done when we
* were awake.
*/
energest_type_set(ENERGEST_TYPE_IRQ, irq_energest);
if (uart_edge) {
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_BIC_SR(LPM1_bits + GIE);
} else {
_BIS_SR(LPM1_bits + GIE);
}
/*
* We get the current processing time for interrupts that was
* done during the LPM and store it for next time around.
*/
dint();
irq_energest = energest_type_time(ENERGEST_TYPE_IRQ);
eint();
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ENERGEST_OFF(ENERGEST_TYPE_LPM);
ENERGEST_ON(ENERGEST_TYPE_CPU);
#if PROFILE_CONF_ON
profile_clear_timestamps();
#endif /* PROFILE_CONF_ON */
}
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}
return 0;
}