/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_append_process, ev, data)
{
static int fd = 0;
struct shell_input *input;
PROCESS_EXITHANDLER(cfs_close(fd));
PROCESS_BEGIN();
fd = cfs_open(data, CFS_WRITE | CFS_APPEND);
if(fd < 0) {
shell_output_str(&append_command,
"append: could not open file for writing: ", data);
} else {
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
/* printf("cat input %d %d\n", input->len1, input->len2);*/
if(input->len1 + input->len2 == 0) {
cfs_close(fd);
PROCESS_EXIT();
}
cfs_write(fd, input->data1, input->len1);
cfs_write(fd, input->data2, input->len2);
shell_output(&append_command,
input->data1, input->len1,
input->data2, input->len2);
}
}
PROCESS_END();
}
PROCESS_THREAD(sniffer_process, ev, data)
{
static struct etimer et;
leds_off(LEDS_ALL); /* turn off LEDs */
SENSORS_ACTIVATE(button_sensor); /* turn on button sensor */
PROCESS_EXITHANDLER(broadcast_close(&bc));
PROCESS_BEGIN();
broadcast_open(&bc, SNIFFER_CHANNEL, &broadcast_call);
process_start(&wait_process, NULL); /* Start wait process. This will end the main process when a button sensor event is posted */
while(1) /* Infinite loop */
{
etimer_set(&et, CLOCK_SECOND * 2 * PERIOD); /* Wait 4 seconds per loop for a receive event */
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
#if DEBUG
printf("Loop\n");
#endif
}
SENSORS_DEACTIVATE(button_sensor); /* Deactivate sensor when we're done */
PROCESS_END();
}
PROCESS_THREAD(interferer_example, ev, data)
{
PROCESS_EXITHANDLER()
PROCESS_BEGIN();
// Initial configurations on CC2420: channel and tx power
watchdog_stop();
cc2420_set_txpower(CC2420_TXPOWER_MAX);
cc2420_set_channel(INTERFERED_CHANNEL);
printf("HandyMote: interfering continuously with random power\n");
// Interfering continuously with random power
CC2420_SPI_ENABLE();
set_jammer(CARRIER_TYPE);
int randelay, randpower;
while(1){
randpower = random_value(MIN_POWER,MAX_POWER);
randelay = random_value(MIN_TIME,MAX_TIME);
power_jammer(randpower);
clock_delay(randelay);
}
CC2420_SPI_DISABLE();
PROCESS_WAIT_EVENT();
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(blindnode_bcast_rec, ev, data)
{
static struct etimer et;
static uint8_t n;
int i;
PROCESS_EXITHANDLER(broadcast_close(&broadcast));
PROCESS_BEGIN();
printf("Reading Chip ID: 0x%02x\n", CHIPID);
/* Read our chip ID. If we are not cc2431, bail out */
if(CHIPID != CC2431_CHIP_ID) {
printf("Hardware does not have a location engine. Exiting.\n");
PROCESS_EXIT();
}
/* OK, we are cc2431. Do stuff */
n = 0;
/* Initalise our structs and parameters */
memset(ref_coords, 0, sizeof(struct refcoords) * MAX_REF_NODES);
memset(¶meters, 0, sizeof(struct meas_params));
/*
* Just hard-coding measurement parameters here.
* Ideally, this should be part of a calibration mechanism
*/
parameters.alpha=SAMPLE_ALPHA;
parameters.x_min=0;
parameters.x_delta=255;
parameters.y_min=0;
parameters.y_delta=255;
set_imaginary_ref_nodes();
broadcast_open(&broadcast, 129, &broadcast_call);
while(1) {
etimer_set(&et, CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/*
* With the hard-coded parameters and locations, we will calculate
* for all possible values of n [0 , 31]
*/
parameters.n=n;
calculate();
n++;
if(n==32) { n=0; }
/* Send our calculated location to some monitoring node */
packetbuf_copyfrom(&coords, 2*sizeof(uint8_t));
broadcast_send(&broadcast);
}
PROCESS_END();
}
PROCESS_THREAD(accmeter_process, ev, data) {
PROCESS_POLLHANDLER(poll_handler());
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
while(1){
PROCESS_WAIT_EVENT_UNTIL(0); // should do nothing in while loop.
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(netdb_process, ev, data)
{
PROCESS_EXITHANDLER(mesh_close(&mesh));
PROCESS_BEGIN();
mesh_open(&mesh, NETDB_CHANNEL, &callbacks);
process_start(&query_process, NULL);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(motion_int_process, ev, data)
{
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
while(1) {
PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
presence_int_callback(0);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(rime_unicast_sender, ev, data)
{
PROCESS_EXITHANDLER(unicast_close(&uc));
PROCESS_BEGIN();
unicast_open(&uc, 146, &unicast_callbacks); // channel = 145
while(1){
PROCESS_YIELD();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(example_unicast_process, ev, data)
{
static int i = 0;
static struct etimer et;
PROCESS_EXITHANDLER(unicast_close(&uc));
PROCESS_BEGIN();
unicast_open(&uc, 128, &unicast_callbacks);
printf("rimeaddr_node_addr = [%u, %u]\n", rimeaddr_node_addr.u8[0],
rimeaddr_node_addr.u8[1]);
/* Put receiver node in listening mode */
if (rimeaddr_node_addr.u8[0] == receiver_node_rime_addr[0]
&& rimeaddr_node_addr.u8[1] == receiver_node_rime_addr[1]) {
/*
* Exit process
* Received messages handled by 'recv_uc(...)'
*/
printf("Receiver node listening\n");
} else {
/* Sending messages */
printf("Write a character on serial link to send message\n");
PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message);
etimer_set(&et, 1 * CLOCK_SECOND);
while (1) {
char msg[64];
int len;
rimeaddr_t addr;
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
len = 1 + sprintf(msg, "hello world #%u", i);
i++;
packetbuf_copyfrom(msg, len);
addr.u8[0] = receiver_node_rime_addr[0];
addr.u8[1] = receiver_node_rime_addr[1];
unicast_send(&uc, &addr);
printf("unicast message sent [%i bytes]\n", len);
etimer_reset(&et);
}
}
PROCESS_END();
}
PROCESS_THREAD(interferer_example, ev, data)
{
PROCESS_EXITHANDLER()
PROCESS_BEGIN();
static struct etimer et;
//powertrace_start(CLOCK_SECOND * 2);
// Initial configurations on CC2420: channel and tx power
watchdog_stop();
cc2420_set_txpower(power);
cc2420_set_channel(26);
//printf("interfering with periodic interference\n");
// Continuous Interference
CC2420_SPI_ENABLE();
//SPI_SET_UNMODULATED(0x1800,0x0100,0x0508,0x0004);
SPI_SET_MODULATED(0x050C);
//powertrace_start(CLOCK_SECOND*2);
while(1){
for(power=3; power<32; power+=4){
SPI_SET_TXPOWER((0xa0ff & 0xffe0) | (power & 0x1f));
etimer_set(&et, CLOCK_SECOND/1000);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
//printf ("transmit power = %d\n",power);
}
for(power=27; power>3; power-=4){
SPI_SET_TXPOWER((0xa0ff & 0xffe0) | (power & 0x1f));
etimer_set(&et, CLOCK_SECOND/1000);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
//printf ("transmit power = %d\n",power);
}
for(power=3; power<32; power+=2){
SPI_SET_TXPOWER((0xa0ff & 0xffe0) | (0 & 0x1f));
etimer_set(&et, CLOCK_SECOND/1000);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
//printf ("transmit power = %d\n",power);
}
}
CC2420_SPI_DISABLE();
void powertrace_stop(void);
PROCESS_WAIT_EVENT();
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_write_process, ev, data)
{
static int fd = 0;
struct shell_input *input;
int r;
PROCESS_EXITHANDLER(cfs_close(fd));
PROCESS_BEGIN();
fd = cfs_open(data, CFS_WRITE);
if(fd < 0) {
shell_output_str(&write_command,
"write: could not open file for writing: ", data);
} else {
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
/* printf("cat input %d %d\n", input->len1, input->len2);*/
if(input->len1 + input->len2 == 0) {
cfs_close(fd);
PROCESS_EXIT();
}
r = 0;
if(input->len1 > 0) {
r = cfs_write(fd, input->data1, input->len1);
}
if(r >= 0 && input->len2 > 0) {
r = cfs_write(fd, input->data2, input->len2);
}
if(r < 0) {
shell_output_str(&write_command, "write: could not write to the file",
NULL);
} else {
shell_output(&write_command,
input->data1, input->len1,
input->data2, input->len2);
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(example_trickle_process, ev, data)
{
PROCESS_EXITHANDLER(trickle_close(&trickle));
PROCESS_BEGIN();
trickle_open(&trickle, CLOCK_SECOND, 128, &trickle_call);
printf("Write a character on serial link to send message\n");
while (1) {
PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message);
printf("UART: sent\n");
packetbuf_copyfrom("Hello, world", 13);
trickle_send(&trickle);
}
PROCESS_END();
}
PROCESS_THREAD(raven_relay_process, ev, data) {
uip_ipaddr_t ipaddr;
PROCESS_POLLHANDLER(pollhandler());
PROCESS_EXITHANDLER(exithandler());
// see: http://senstools.gforge.inria.fr/doku.php?id=contiki:examples
PROCESS_BEGIN();
PRINTF("Relay process startup.\r\n");
// wait 3 second, in order to have the IP addresses well configured
etimer_set(&udp_periodic_timer, CLOCK_CONF_SECOND*3);
// wait until the timer has expired
PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_TIMER);
// Define Address of the server that receives our heartbeats.
// TODO: Make this dynamic
#ifdef UDP_ADDR_A
uip_ip6addr(&ipaddr,
UDP_ADDR_A,UDP_ADDR_B,UDP_ADDR_C,UDP_ADDR_D,
UDP_ADDR_E,UDP_ADDR_F,UDP_ADDR_G,UDP_ADDR_H);
#else /* UDP_ADDR_A */
uip_ip6addr(&ipaddr,0xbbbb,0,0,0,0xd69a,0x20ff,0xfe07,0x7664);
#endif /* UDP_ADDR_A */
udpconn = udp_new(NULL, HTONS(0), NULL);
//udpconn = udp_new(&ipaddr, HTONS(0xF0B0+1), NULL);
udp_bind(udpconn, HTONS(0xF0B0));
// udp_attach(udpconn, NULL);
PRINTF("Created connection with remote peer ");
PRINT6ADDR(&udpconn->ripaddr);
PRINTF("\r\nlocal/remote port %u/%u\r\n", HTONS(udpconn->lport),HTONS(udpconn->rport));
print_local_addresses();
etimer_set(&udp_periodic_timer, 60*CLOCK_SECOND);
while(1){
PRINTF("--- Relay: Waiting for events.\r\n");
// tcpip_poll_udp(udpconn);
PROCESS_WAIT_EVENT();
// PROCESS_YIELD();
udphandler(ev, data);
}
PROCESS_END();
}
PROCESS_THREAD( contiki_ext_radio_process, ev, data )
{
PROCESS_EXITHANDLER( abc_close(&wiselib::contiki::contiki_extdata_radio_conn) );
PROCESS_BEGIN();
abc_open( &wiselib::contiki::contiki_extdata_radio_conn, 128, &wiselib::contiki::abc_call );
while(1)
{
static struct etimer et;
etimer_set( &et, CLOCK_SECOND );
PROCESS_WAIT_EVENT_UNTIL( etimer_expired(&et) );
}
PROCESS_END();
}
PROCESS_THREAD(blink_process, ev, data) {
PROCESS_POLLHANDLER();
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
while(1) {
leds_toggle(LEDS_RED);
if(adc > 0) {
time = (CLOCK_SECOND*adc)/1024;
} else {
time = CLOCK_SECOND/64;
}
if(time == 0) {
time = 1;
}
etimer_set(&etb, time);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etb));
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(vfd_process, ev, data)
{
PROCESS_POLLHANDLER();
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
vfd_init();
vfd_print_char(2, 'A');
while(1) {
uint8_t btns;
btns = vfd_read_btns();
if(btns) {
leds_on(LEDS_RED);
} else {
leds_off(LEDS_RED);
}
PROCESS_PAUSE();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(slip_drv_process, ev, data)
{
PROCESS_POLLHANDLER(pollhandler());
PROCESS_EXITHANDLER(rs232dev_unload());
PROCESS_BEGIN();
rs232dev_init();
SERVICE_REGISTER(slip_drv_service);
process_poll(&slip_drv_process);
while(1) {
PROCESS_YIELD();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(hello_world_process, ev, data)
{
PROCESS_EXITHANDLER(unicast_close(&uc))
PROCESS_BEGIN();
printf("Hello, world\n");
//linkaddr_set_node_addr(&server);
print_rime_address();
unicast_open(&uc, 0x17, &uc_rx);
for(;;)
{
PROCESS_YIELD();
}
PROCESS_END();
}
PROCESS_THREAD(sensys_tx, ev, data)
{
PROCESS_EXITHANDLER()
PROCESS_BEGIN();
// Initial configurations on CC2420 and resetting the timer
leds_off(LEDS_ALL);
cc2420_set_txpower(POWER);
cc2420_set_channel(CHANNEL_SENDER);
unicast_open(&uc, RIME_SENDER, &unicast_callbacks);
ctimer_stop(&timer1);
// Ready to send...
leds_on(LEDS_BLUE);
while(1) {
PROCESS_WAIT_EVENT();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ac_dimmer_int_process, ev, data)
{
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
int dimtime;
while(1) {
PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
dimtime = (uint8_t)(100 - dimming);
dimtime *= 100;
/* Off cycle */
clock_delay_usec(dimtime);
GPIO_SET_PIN(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
/* Triac on propagation delay */
clock_delay_usec(DIMMER_DEFAULT_GATE_PULSE_US);
GPIO_CLR_PIN(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(cc1200_demo_process, ev, data)
{
PROCESS_EXITHANDLER(broadcast_close(&bc))
PROCESS_BEGIN();
broadcast_open(&bc, BROADCAST_CHANNEL, &bc_rx);
etimer_set(&et, LOOP_INTERVAL);
while(1) {
PROCESS_YIELD();
if(ev == PROCESS_EVENT_TIMER) {
printf("Broadcast --> %u\n", counter);
leds_toggle(LEDS_RED);
packetbuf_copyfrom(&counter, sizeof(counter));
broadcast_send(&bc);
counter++;
etimer_set(&et, LOOP_INTERVAL);
}
}
PROCESS_END();
}
PROCESS_THREAD(cc26xx_demo_process, ev, data)
{
PROCESS_EXITHANDLER(broadcast_close(&bc))
PROCESS_BEGIN();
gpio_relay_init();
relay_all_clear();
counter = 0;
broadcast_open(&bc, BROADCAST_CHANNEL, &bc_rx);
etimer_set(&et, CLOCK_SECOND);
while(1) {
PROCESS_YIELD();
if(ev == PROCESS_EVENT_TIMER) {
leds_on(LEDS_PERIODIC);
etimer_set(&et, CLOCK_SECOND*5);
rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1,
rt_callback, NULL);
counter = Get_ADC_reading();
packetbuf_copyfrom(&counter, sizeof(counter));
broadcast_send(&bc);
// printf("adc data value : %d \r\n",counter);
}
watchdog_periodic();
}
PROCESS_END();
}
PROCESS_THREAD(rime_unicast_sender, ev, data)
{
PROCESS_EXITHANDLER(unicast_close(&uc));
PROCESS_BEGIN();
leds_init();
leds_off(LEDS_ALL);
SENSORS_ACTIVATE(button_sensor);//activate button
unicast_open(&uc, 290, &unicast_callbacks); // channel = 122
while(1)
{
static struct etimer et;
rimeaddr_t addr;
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event && data == &button_sensor);
//etimer_set(&et, CLOCK_SECOND);
//PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
packetbuf_copyfrom(SECRET, 15); // String + Length to be send
//packetbuf_copyfrom("ekhais8ca6Aej0", 15); // String + Length to be send
addr.u8[0] = 0x28; // Address of receiving Node
addr.u8[1] = 0x1;
if(!rimeaddr_cmp(&addr, &rimeaddr_node_addr))
{
printf("Message sent\n"); // debug message
unicast_send(&uc, &addr);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(weather_meter_int_process, ev, data)
{
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
while(1) {
PROCESS_YIELD();
if((ev == anemometer_int_event) && (weather_sensors.anemometer.int_en)) {
if(weather_sensors.anemometer.ticks >=
weather_sensors.anemometer.int_thres) {
anemometer_int_callback(weather_sensors.anemometer.ticks);
}
}
if((ev == rain_gauge_int_event) && (weather_sensors.rain_gauge.int_en)) {
if(weather_sensors.rain_gauge.ticks >=
weather_sensors.rain_gauge.int_thres) {
rain_gauge_int_callback(weather_sensors.rain_gauge.ticks);
}
}
}
PROCESS_END();
}
PROCESS_THREAD(pwmled_process, ev, data)
{
PROCESS_POLLHANDLER();
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
leds_off(LEDS_ALL);
/* no need to do simplepwm_confpin() as it no longer changes those. */
TEST_PORT(IE) &= ~(1 << pin);
TEST_PORT(DIR) |= (1 << pin);
TEST_PORT(OUT) |= (1 << pin);
TEST_PORT(SEL) &= ~(1 << pin);
TEST_PORT(SEL2) &= ~(1 << pin);
#if 0
while(1) {
simple_pwm_on(20);
etimer_set(&etr, CLOCK_SECOND/2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etr));
simple_pwm_on(40);
etimer_set(&etr, CLOCK_SECOND/2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etr));
simple_pwm_on(60);
etimer_set(&etr, CLOCK_SECOND/2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etr));
simple_pwm_on(80);
etimer_set(&etr, CLOCK_SECOND/2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etr));
simple_pwm_on(100);
etimer_set(&etr, CLOCK_SECOND/2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etr));
}
#endif /* if 0; commented out code */
while(1) {
simple_pwm_on(i);
/* find next PWM setting */
if(up) {
if(i < PWM_MAX - PWM_STEP) {
i += PWM_STEP;
} else {
i = PWM_MAX;
up = 0;
}
} else {
if(i > PWM_MIN + PWM_STEP) {
i -= PWM_STEP;
} else {
i = PWM_MIN ;
up = 1;
}
}
/* wait a little while */
etimer_set(&etr, INTERVAL);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&etr));
}
PROCESS_END();
}
PROCESS_THREAD(proc_epoch_syncer, ev, data) {
static struct etimer send_timer;
static struct etimer epoch_timer;
static const struct broadcast_callbacks broadcast_cbs = {__broadcast_recv_cb, __broadcast_sent_cb};
static struct broadcast_conn conn;
PROCESS_EXITHANDLER(broadcast_close(&conn));
PROCESS_BEGIN();
#ifdef TRACK_CONNECTIONS
/* Log the node id */
printf("board-id64 0x%.16llx\n", board_get_id64());
#endif
#ifdef XFER_CRC16
/* Log the node id */
printf("xfer crc16\n");
#endif
printf("epoch interval %ld ticks\n", EPOCH_INTERVAL);
/*
* Alloc the two syncer events
*/
evt_epoch_synced = process_alloc_event();
evt_end_of_epoch = process_alloc_event();
/*
* Open a `connection` on the syncer broadcasting channel
*/
broadcast_open(&conn, BROADCAST_CHANNEL_TIMESYNC, &broadcast_cbs);
/*
* init the epoch-syncer instance
*/
epoch_syncer_init(&__epoch_syncer);
/*
* This is the main syncer loop. Initially we try to sync the
* epoch between nodes without concurrently running any other
* algo. After a period, at which time the network is synced,
* we start generating epoch events which can be
* consumed by, e.g., the estimator process.
*/
etimer_set(&epoch_timer, __epoch_syncer.epoch_interval);
__epoch_syncer.epoch_start_time = clock_time();
__epoch_syncer.epoch_end_time = etimer_expiration_time(&epoch_timer);
while (1) {
/*
* The start of a new epoch !
*/
epoch_syncer_at_epoch_start(&__epoch_syncer);
clock_time_t now;
clock_time_t time_to_epoch_end;
now = clock_time();
assert(__epoch_syncer.epoch_end_time == etimer_expiration_time(&epoch_timer));
assert(__epoch_syncer.epoch_end_time > now);
time_to_epoch_end = __epoch_syncer.epoch_end_time - now;
/*
* Setup a random wait time before sending the sync packet
*
* ! we cannot let send_timer delay the epoch_timer, especially
* when the next `end-of-epoch-time` has been anticipated by a lot
* (this can happen at startup)
*/
if (time_to_epoch_end > __epoch_syncer.epoch_sync_start) {
long int send_wait;
long int send_wait_rnd;
long int rnd;
rnd = rand();
send_wait_rnd = (unsigned)rnd % (unsigned) __epoch_syncer.epoch_sync_xfer_interval;
send_wait = __epoch_syncer.epoch_sync_start + send_wait_rnd;
assert(send_wait >= __epoch_syncer.epoch_sync_start);
assert(send_wait <= __epoch_syncer.epoch_sync_start + __epoch_syncer.epoch_sync_xfer_interval);
if (send_wait > time_to_epoch_end)
send_wait = __epoch_syncer.epoch_sync_start;
assert(send_wait < time_to_epoch_end);
etimer_set(&send_timer, send_wait);
PROCESS_WAIT_UNTIL(etimer_expired(&send_timer));
/*
* Acquire the radio lock
*
* ! we don't use WAIT/YIELD_UNTIL() because
* 1) we do not want to yield if we can acquire the lock on the first try
* 2) no kernel signal is generated when the lock is released (we would `deadlock')
*/
do {
if (!radio_trylock())
break;
PROCESS_PAUSE();
} while (1);
{
clock_time_t now;
struct epoch_sync_packet packet;
/*
* broadcast the sync packet
*
* ! We put this part into its own block since non static stack
* variables/allocations in the parent block wouldn't get preserved trough
* kernel calls (e.g. the PROCESS_PAUSE() a few lines above)
*/
#ifdef TRACK_CONNECTIONS
packet.board_id16 = board_get_id16();
#endif
packet.epoch = __epoch_syncer.epoch;
now = clock_time();
assert(now > __epoch_syncer.epoch_start_time);
assert(__epoch_syncer.epoch_end_time > now);
packet.time_from_epoch_start = now - __epoch_syncer.epoch_start_time;
packet.time_to_epoch_end = __epoch_syncer.epoch_end_time - now;
#ifdef XFER_CRC16
/*
* Compute the packet crc with the .crc16 field zeroed
*/
{
uint16_t crc16;
packet.crc16 = 0;
crc16 = crc16_data((const unsigned char *)&packet, sizeof(struct epoch_sync_packet), 0);
packet.crc16 = crc16;
}
#endif
packetbuf_copyfrom(&packet, sizeof(struct epoch_sync_packet));
broadcast_send(&conn);
}
} else {
printf("epoch-syncer: skipping sync send\n");
}
/*
* We cannot YIELD here: if epoch_timer has already expired there won't be
* any event to wake us up.
*
* FIXME: if we get here and the epoch timer has fired
* already print by how much we are late: this can be terribly useful
* to trace bugs in the epoch sync code or the kernel.
*/
if (etimer_expired(&epoch_timer)) {
long int now;
now = clock_time();
assert(now > __epoch_syncer.epoch_end_time);
} else {
char do_wait;
do_wait = 1;
if (__epoch_syncer.sum_sync_offsets) {
long int avg_offset = __epoch_syncer.sum_sync_offsets / __epoch_syncer.nr_offsets;
const long int threshold = CLOCK_SECOND;
if (avg_offset > threshold) {
/*
* if we are late don't wait until the timer expires
* ! this migth give us the opportunity to re-enter the right sync_xfer_interval
*/
do_wait = 0;
} else if (avg_offset < -threshold) {
/*
* we are too fast, delay end of epoch
*/
clock_time_t now;
clock_time_t time_to_epoch_end;
now = clock_time();
assert(__epoch_syncer.epoch_end_time == etimer_expiration_time(&epoch_timer));
assert(__epoch_syncer.epoch_end_time > now);
time_to_epoch_end = __epoch_syncer.epoch_end_time - now;
long int delay = time_to_epoch_end + (-avg_offset/2);
static struct etimer delay_timer;
trace("epoch-syncer: delaying end-of-epoch by %ld ticks\n", (-avg_offset/2));
etimer_set(&delay_timer, delay);
__epoch_syncer.epoch_end_time += (-avg_offset/2);
PROCESS_WAIT_UNTIL(etimer_expired(&delay_timer));
}
}
if (do_wait) {
PROCESS_WAIT_UNTIL(etimer_expired(&epoch_timer));
} else {
trace("epoch-syncer: not waiting for end-of-epoch\n");
}
}
trace("epoch-syncer: epoch %d ended\n", __epoch_syncer.epoch);
#ifdef TRACK_CONNECTIONS
connection_print_and_zero(CONNECTION_TRACK_SYNC, __epoch_syncer.epoch);
#endif
/*
* Re-Set the end-of-epoch timer
*/
if (__epoch_syncer.epoch == EPOCHS_UNTIL_SYNCED) {
/*
* We have hopefully achieved sync at this point
*
* 1) update the epoch timings, and set the epoch timer
*
* 2) signal the size-estimator process that the epoch is now synced
*/
__epoch_syncer.epoch_interval = EPOCH_INTERVAL;
__epoch_syncer.epoch_sync_start = EPOCH_SYNC_START;
__epoch_syncer.epoch_sync_xfer_interval = EPOCH_SYNC_XFER_INTERVAL;
etimer_stop(&epoch_timer);
etimer_set(&epoch_timer, __epoch_syncer.epoch_interval);
/*
* The epoch timer has been re-set: update the time until the next epoch end
* Increase the epoch count.
* ! these operations must happen in a block which cannot block in kernel calls
*/
__epoch_syncer.epoch_start_time = clock_time();
__epoch_syncer.epoch_end_time = etimer_expiration_time(&epoch_timer);
__epoch_syncer.epoch++;
process_post(&proc_size_estimator, evt_epoch_synced, NULL);
} else {
/*
* Re-set and adjust the epoch timer using the data received trough sync packets
* (in this epoch)
*
* ! using re-set (instead of, e.g., restart) is important here in order to avoid
* drifting
*/
etimer_reset(&epoch_timer);
/*
* The epoch timer has been re-set: update the time until the next epoch end
* Increase the epoch count.
* ! these operations must happen in a block which cannot block in kernel calls
*/
//__epoch_syncer.epoch_start_time = epoch_timer.timer.start;
__epoch_syncer.epoch_start_time = clock_time();
__epoch_syncer.epoch_end_time = etimer_expiration_time(&epoch_timer);
__epoch_syncer.epoch++;
if (__epoch_syncer.sum_sync_offsets) {
long int avg_offset = __epoch_syncer.sum_sync_offsets / __epoch_syncer.nr_offsets;
const long int threshold = 1;//(CLOCK_SECOND/32);//*3;
#if __CONTIKI_NETSTACK_RDC==__CONTIKI_NETSTACK_RDC_NULL
const int tx_delay = 0;
#elif __CONTIKI_NETSTACK_RDC==__CONTIKI_NETSTACK_RDC_CXMAC
/*
* When the cxmac RDC is used we must consider an added delay due to the fact that when
* other nodes radios are turned off the sync packet must be re-sent.
*/
const int tx_delay = 8;
#endif
/*
* estimate the avg tx delay
*/
avg_offset += tx_delay;
trace("epoch-syncer: sync offsets %d ~ %ld < %ld < %ld\n", __epoch_syncer.nr_offsets, __epoch_syncer.min_offset + tx_delay, avg_offset, __epoch_syncer.max_offset+tx_delay);
if ((avg_offset < -threshold) || (avg_offset > threshold)) {
clock_time_t new_expiration_time;
const long int adjust_threshold = CLOCK_SECOND/2;
long int adjust;
/*
* feedback control the next expiration time
*/
adjust = -avg_offset/2;
adjust = min(adjust, adjust_threshold);
adjust = max(adjust, -adjust_threshold);
if (adjust)
etimer_adjust(&epoch_timer, adjust);
new_expiration_time = etimer_expiration_time(&epoch_timer);
__epoch_syncer.epoch_end_time = new_expiration_time;
}
}
if (__epoch_syncer.epoch > EPOCHS_UNTIL_SYNCED) {
/*
* Signal the estimator-process that this epoch has ended
*/
process_post(&proc_size_estimator, evt_end_of_epoch, NULL);
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_sequence_process, ev, data) {
static struct etimer etimer;
PROCESS_EXITHANDLER(leds_off(LEDS_ALL));
PROCESS_BEGIN();
static uint16_t temp3;
temp3 = mylog(std_dev_0/std_dev_1);
// Error probability parameters
// alpha = 0.001 - Probability of false alarm.
// beta = 0.001 - Probability of miss.
static int b = 7; // b = log((1-beta)/alpha) = 6.9068
// Variables
uint16_t observation;
static int16_t S_n;
// Make sure to actually reset S_n every time we run a sequence.
S_n = 0;
static int16_t suff_stat = 0;
static int16_t min_level;
min_level = 0;
uint16_t temp1 = 0;
uint16_t temp2 = 0;
static int decision;
// Make sure to actually reset decision every time we run a sequence.
decision = 0;
int a = 0;
int c = 0;
etimer_set(&etimer, (CLOCK_SECOND / 16));
while(1) {
blink_LEDs(LEDS_ALL);
// Get reading from sensor.
SENSORS_ACTIVATE(light_sensor);
// Give the sensors time to activate before taking a reading.
PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
etimer_set(&etimer, 11 * (CLOCK_SECOND / 16));
observation = light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC);
SENSORS_DEACTIVATE(light_sensor);
printf("cusum-seq: observation = %d\n",observation);
// Calculate new statistic based on:
// suff_stat = log(std_dev_0/std_dev_1)
// - ((observation - mean_1)^2) / (2*(std_dev_1^2)
// + ((observation - mean_0)^2) / (2*(std_dev_0^2)
//suff_stat = log(std_dev_0 / std_dev_1) - pow2(observation - mean_1) / (2*pow2(std_dev_1)) + pow2(observation - mean_0) / (2*pow2(std_dev_0));
a = abs_sub(observation, mean_1);
c = abs_sub(observation, mean_0);
// If a or c is too large, calculating temp1 or temp2 can be tough.
temp1 = temp3 + log_exp_term(c, std_dev_0);
temp2 = log_exp_term(a, std_dev_1);
suff_stat = temp1 - temp2;
// Do appropriate overflow protection.
if(S_n/2 + suff_stat/2 > 16384 ) {
S_n = 32767;
} else if( S_n/2 + suff_stat/2 < -16384) {
S_n = -32768;
} else {
S_n = S_n + suff_stat;
}
// Reset the min_level appropriately.
if(S_n < min_level) {
min_level = S_n;
}
// DEBUG CODE
printf("cusum-seq: min_level = %d\n",min_level);
printf("cusum-seq: S_n = %d\n\n",S_n);
// Make decision based on statistic.
if(S_n >= b + min_level) {
leds_on(LEDS_RED);
rimeaddr_t addr;
packetbuf_copyfrom("Change detected", strlen("Change detected"));
addr.u8[0] = 62;
addr.u8[1] = 41;
mesh_send(&mesh, &addr);
// Send out an observation of data if change detected.
collect_data(&sequence_command);
//PROCESS_END();
if(STOP_MODE) {
leds_off(LEDS_RED);
PROCESS_EXIT();
}
}
PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(cc2538_demo_process, ev, data)
{
PROCESS_EXITHANDLER(broadcast_close(&bc))
PROCESS_BEGIN();
counter = 0;
broadcast_open(&bc, BROADCAST_CHANNEL, &bc_rx);
printf("temp:%u.%u\nhumidity:%u.%u\n",(int)tc,((int)(tc*10))%10 , (int)hc,((int)(hc*10))%10);
while(1) {
etimer_set(&et, CLOCK_SECOND*10);
//ivanm
// Configure ADC, Internal reference, 512 decimation rate (12bit)
//
SOCADCSingleConfigure(SOCADC_12_BIT, SOCADC_REF_INTERNAL);
//
// Trigger single conversion on AIN6 (connected to LV_ALS_OUT).
//
SOCADCSingleStart(SOCADC_VDD);
//
// Wait until conversion is completed
//
while(!SOCADCEndOfCOnversionGet())
{
}
//
// Get data and shift down based on decimation rate
//
ui1Dummy = SOCADCDataGet() >> SOCADC_12_BIT_RSHIFT;
printf("konverzija(ADC) = 0x%08x\n",ui1Dummy);
PROCESS_YIELD();
if(ev == PROCESS_EVENT_TIMER) {
leds_on(LEDS_PERIODIC);
printf("Counter = 0x%08x\n", counter);
err = s_measure(&temperature, checksum, TEMP);
if (err == 0)
{
//printf("Temperature (ADC value) = 0x%4x\n", temperature);
err = s_measure(&humidity, checksum, HUMI);
if (err == 0)
{
//printf("Humidity (ADC value) = 0x%4x\n", humidity);
//tc=sht11_TemperatureC(temperature);
//hc=sht11_Humidity(temperature,humidity);
tc=0;
hc=0;
printf("temp:%u.%u\nhumidity:%u.%u\n",(int)tc,((int)(tc*10))%10 , (int)hc,((int)(hc*10))%10);
}
else
printf("SHT11 error - could not read humidity!\n");
}
else
printf("SHT11 error - could not read temperature!\n");
etimer_set(&et, CLOCK_SECOND);
rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1,
rt_callback, NULL);
} else if(ev == sensors_event) {
if(data == &button_select_sensor) {
if (swt==0)
{
packetbuf_copyfrom(&temperature, sizeof(temperature));
broadcast_send(&bc);
swt=1;
}
else
{
packetbuf_copyfrom(&humidity, sizeof(humidity));
broadcast_send(&bc);
swt=0;
}
} else if(data == &button_left_sensor || data == &button_right_sensor) {
leds_toggle(LEDS_BUTTON);
} else if(data == &button_down_sensor) {
cpu_cpsid();
leds_on(LEDS_REBOOT);
watchdog_reboot();
} else if(data == &button_up_sensor) {
sys_ctrl_reset();
}
} else if(ev == serial_line_event_message) {
leds_toggle(LEDS_SERIAL_IN);
}
counter++;
/* put measaruement sht11 here*/
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_read_process, ev, data)
{
static int fd = 0;
static int block_size = MAX_BLOCKSIZE;
char *next;
char filename[MAX_FILENAME_LEN];
int len;
int offset = 0;
char buf[MAX_BLOCKSIZE];
struct shell_input *input;
PROCESS_EXITHANDLER(cfs_close(fd));
PROCESS_BEGIN();
if(data != NULL) {
next = strchr(data, ' ');
if(next == NULL) {
strncpy(filename, data, sizeof(filename));
} else {
len = (int)(next - (char *)data);
if(len <= 0) {
shell_output_str(&read_command,
"read: filename too short: ", data);
PROCESS_EXIT();
}
if(len > MAX_FILENAME_LEN) {
shell_output_str(&read_command,
"read: filename too long: ", data);
PROCESS_EXIT();
}
memcpy(filename, data, len);
filename[len] = 0;
offset = shell_strtolong(next, NULL);
next++;
next = strchr(next, ' ');
if(next != NULL) {
block_size = shell_strtolong(next, NULL);
if(block_size > MAX_BLOCKSIZE) {
shell_output_str(&read_command,
"read: block size too large: ", data);
PROCESS_EXIT();
}
}
}
fd = cfs_open(filename, CFS_READ);
cfs_seek(fd, offset, CFS_SEEK_SET);
if(fd < 0) {
shell_output_str(&read_command,
"read: could not open file for reading: ", filename);
} else {
while(1) {
len = cfs_read(fd, buf, block_size);
if(len <= 0) {
cfs_close(fd);
PROCESS_EXIT();
}
shell_output(&read_command,
buf, len, "", 0);
process_post(&shell_read_process, PROCESS_EVENT_CONTINUE, NULL);
PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_CONTINUE ||
ev == shell_event_input);
if(ev == shell_event_input) {
input = data;
/* printf("cat input %d %d\n", input->len1, input->len2);*/
if(input->len1 + input->len2 == 0) {
cfs_close(fd);
PROCESS_EXIT();
}
}
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(zoul_demo_process, ev, data)
{
PROCESS_EXITHANDLER(broadcast_close(&bc))
PROCESS_BEGIN();
counter = 0;
broadcast_open(&bc, BROADCAST_CHANNEL, &bc_rx);
/* Configure the user button */
button_sensor.configure(BUTTON_SENSOR_CONFIG_TYPE_INTERVAL,
BUTTON_PRESS_EVENT_INTERVAL);
/* Configure the ADC ports */
adc_sensors.configure(SENSORS_HW_INIT, ZOUL_SENSORS_ADC_ALL);
printf("Zoul test application\n");
etimer_set(&et, LOOP_INTERVAL);
while(1) {
PROCESS_YIELD();
if(ev == PROCESS_EVENT_TIMER) {
leds_on(LEDS_PERIODIC);
printf("-----------------------------------------\n"
"Counter = 0x%08x\n", counter);
printf("VDD = %d mV\n",
vdd3_sensor.value(CC2538_SENSORS_VALUE_TYPE_CONVERTED));
printf("Temperature = %d mC\n",
cc2538_temp_sensor.value(CC2538_SENSORS_VALUE_TYPE_CONVERTED));
printf("ADC1 = %d raw\n",
adc_sensors.value(ZOUL_SENSORS_ADC1));
printf("ADC3 = %d raw\n",
adc_sensors.value(ZOUL_SENSORS_ADC3));
etimer_set(&et, LOOP_INTERVAL);
rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1,
rt_callback, NULL);
counter++;
} else if(ev == sensors_event) {
if(data == &button_sensor) {
if(button_sensor.value(BUTTON_SENSOR_VALUE_TYPE_LEVEL) ==
BUTTON_SENSOR_PRESSED_LEVEL) {
printf("Button pressed\n");
packetbuf_copyfrom(&counter, sizeof(counter));
broadcast_send(&bc);
} else {
printf("...and released!\n");
}
}
} else if(ev == serial_line_event_message) {
leds_toggle(LEDS_SERIAL_IN);
} else if(ev == button_press_duration_exceeded) {
printf("Button pressed for %d ticks [%u events]\n",
(*((uint8_t *)data) * BUTTON_PRESS_EVENT_INTERVAL),
button_sensor.value(BUTTON_SENSOR_VALUE_TYPE_PRESS_DURATION));
}
}
PROCESS_END();
}
