/* * Copyright (c) 2006, 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. * */ #include #include #include #include "contiki.h" #include "cc2420.h" #include "dev/leds.h" #include "dev/serial-line.h" #include "dev/slip.h" #include "dev/uart0.h" #include "dev/watchdog.h" #include "dev/xmem.h" #include "lib/random.h" #include "net/netstack.h" #include "net/mac/framer/frame802154.h" #include "dev/adxl345.h" #include "sys/clock.h" #include "sys/energest.h" #if NETSTACK_CONF_WITH_IPV6 #include "net/ipv6/uip-ds6.h" #endif /* NETSTACK_CONF_WITH_IPV6 */ #include "node-id-z1.h" #include "cfs-coffee-arch.h" #include "cfs/cfs-coffee.h" extern unsigned char node_mac[8]; #if DCOSYNCH_CONF_ENABLED static struct timer mgt_timer; #endif extern int msp430_dco_required; #define UIP_OVER_MESH_CHANNEL 8 #if NETSTACK_CONF_WITH_IPV4 static uint8_t is_gateway; #endif /* NETSTACK_CONF_WITH_IPV4 */ #ifdef EXPERIMENT_SETUP #include "experiment-setup.h" #endif void init_platform(void); /*---------------------------------------------------------------------------*/ /* Log configuration */ #include "sys/log.h" #define LOG_MODULE "Z1" #define LOG_LEVEL LOG_LEVEL_MAIN /*---------------------------------------------------------------------------*/ #ifdef UART0_CONF_BAUD_RATE #define UART0_BAUD_RATE UART0_CONF_BAUD_RATE #else #define UART0_BAUD_RATE 115200 #endif /*---------------------------------------------------------------------------*/ #if 0 int force_float_inclusion() { extern int __fixsfsi; extern int __floatsisf; extern int __mulsf3; extern int __subsf3; return __fixsfsi + __floatsisf + __mulsf3 + __subsf3; } #endif /*---------------------------------------------------------------------------*/ void uip_log(char *msg) { puts(msg); } /*---------------------------------------------------------------------------*/ #if 0 void force_inclusion(int d1, int d2) { snprintf(NULL, 0, "%d", d1 % d2); } #endif /*---------------------------------------------------------------------------*/ static void set_lladdr(void) { linkaddr_t addr; memset(&addr, 0, sizeof(linkaddr_t)); #if NETSTACK_CONF_WITH_IPV6 memcpy(addr.u8, node_mac, sizeof(addr.u8)); #else if(node_id == 0) { int i; for(i = 0; i < sizeof(linkaddr_t); ++i) { addr.u8[i] = node_mac[7 - i]; } } else { addr.u8[0] = node_id & 0xff; addr.u8[1] = node_id >> 8; } #endif linkaddr_set_node_addr(&addr); } /*---------------------------------------------------------------------------*/ void platform_init_stage_one(void) { /* * Initalize hardware. */ msp430_cpu_init(); leds_init(); leds_on(LEDS_RED); } /*---------------------------------------------------------------------------*/ void platform_init_stage_two(void) { clock_wait(100); uart0_init(BAUD2UBR(UART0_BAUD_RATE)); /* Must come before first printf */ xmem_init(); leds_off(LEDS_RED); /* * Hardware initialization done! */ /* Restore node id if such has been stored in external mem */ node_id_z1_restore(); /* If no MAC address was burned, we use the node id or the Z1 product ID */ if(!(node_mac[0] | node_mac[1] | node_mac[2] | node_mac[3] | node_mac[4] | node_mac[5] | node_mac[6] | node_mac[7])) { #ifdef SERIALNUM if(!node_id) { LOG_INFO("Node id is not set, using Z1 product ID\n"); node_id = SERIALNUM; } #endif node_mac[0] = 0xc1; /* Hardcoded for Z1 */ node_mac[1] = 0x0c; /* Hardcoded for Revision C */ node_mac[2] = 0x00; /* Hardcoded to arbitrary even number so that the 802.15.4 MAC address is compatible with an Ethernet MAC address - byte 0 (byte 2 in the DS ID) */ node_mac[3] = 0x00; /* Hardcoded */ node_mac[4] = 0x00; /* Hardcoded */ node_mac[5] = 0x00; /* Hardcoded */ node_mac[6] = node_id >> 8; node_mac[7] = node_id & 0xff; } /* Overwrite node MAC if desired at compile time */ #ifdef MACID #warning "***** CHANGING DEFAULT MAC *****" node_mac[0] = 0xc1; /* Hardcoded for Z1 */ node_mac[1] = 0x0c; /* Hardcoded for Revision C */ node_mac[2] = 0x00; /* Hardcoded to arbitrary even number so that the 802.15.4 MAC address is compatible with an Ethernet MAC address - byte 0 (byte 2 in the DS ID) */ node_mac[3] = 0x00; /* Hardcoded */ node_mac[4] = 0x00; /* Hardcoded */ node_mac[5] = 0x00; /* Hardcoded */ node_mac[6] = MACID >> 8; node_mac[7] = MACID & 0xff; #endif #ifdef IEEE_802154_MAC_ADDRESS /* for setting "hardcoded" IEEE 802.15.4 MAC addresses */ { uint8_t ieee[] = IEEE_802154_MAC_ADDRESS; memcpy(node_mac, ieee, sizeof(uip_lladdr.addr)); node_mac[7] = node_id & 0xff; } #endif /* IEEE_802154_MAC_ADDRESS */ random_init(node_mac[6] + node_mac[7]); set_lladdr(); /* * main() will turn the radio on inside netstack_init(). The CC2420 * must already be initialised by that time, so we do this here early. * Later on in stage three we set correct values for PANID and radio * short/long address. */ cc2420_init(); SENSORS_ACTIVATE(adxl345); leds_off(LEDS_ALL); } /*---------------------------------------------------------------------------*/ void platform_init_stage_three(void) { uint8_t longaddr[8]; uint16_t shortaddr; init_platform(); shortaddr = (linkaddr_node_addr.u8[0] << 8) + linkaddr_node_addr.u8[1]; memset(longaddr, 0, sizeof(longaddr)); linkaddr_copy((linkaddr_t *)&longaddr, &linkaddr_node_addr); cc2420_set_pan_addr(IEEE802154_PANID, shortaddr, longaddr); LOG_INFO("CC2420 CCA threshold %i\n", CC2420_CONF_CCA_THRESH); #if DCOSYNCH_CONF_ENABLED timer_set(&mgt_timer, DCOSYNCH_PERIOD * CLOCK_SECOND); #endif } /*---------------------------------------------------------------------------*/ void platform_idle(void) { /* * Idle processing. */ int s = splhigh(); /* Disable interrupts. */ /* uart0_active is for avoiding LPM3 when still sending or receiving */ if(process_nevents() != 0 || uart0_active()) { splx(s); /* Re-enable interrupts. */ } else { #if DCOSYNCH_CONF_ENABLED /* before going down to sleep possibly do some management */ if(timer_expired(&mgt_timer)) { watchdog_periodic(); timer_reset(&mgt_timer); msp430_sync_dco(); #if CC2420_CONF_SFD_TIMESTAMPS cc2420_arch_sfd_init(); #endif /* CC2420_CONF_SFD_TIMESTAMPS */ } #endif /* Re-enable interrupts and go to sleep atomically. */ ENERGEST_SWITCH(ENERGEST_TYPE_CPU, ENERGEST_TYPE_LPM); watchdog_stop(); /* check if the DCO needs to be on - if so - only LPM 1 */ if (msp430_dco_required) { _BIS_SR(GIE | CPUOFF); /* LPM1 sleep for DMA to work!. */ } else { _BIS_SR(GIE | SCG0 | SCG1 | CPUOFF); /* LPM3 sleep. This statement will block until the CPU is woken up by an interrupt that sets the wake up flag. */ } watchdog_start(); ENERGEST_SWITCH(ENERGEST_TYPE_LPM, ENERGEST_TYPE_CPU); } } /*---------------------------------------------------------------------------*/