65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
#include "contiki.h"
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#include "net/rime.h"
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#include "dev/light-sensor.h"
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#include <stdio.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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PROCESS(example_unicast_process, "Example unicast");
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AUTOSTART_PROCESSES(&example_unicast_process);
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/*---------------------------------------------------------------------------*/
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static void
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recv_uc(struct unicast_conn *c, const rimeaddr_t *from)
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{
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// Print the received message
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char *dataReceived = (char *)packetbuf_dataptr();
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dataReceived[packetbuf_datalen()] = 0;
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printf("A unicast received from %d.%d\n",from->u8[0],from->u8[1]);
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printf("The message is: '%s'\n",dataReceived);
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}
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static const struct unicast_callbacks unicast_callbacks = {recv_uc};
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static struct unicast_conn uc;
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(example_unicast_process, ev, data)
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{
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PROCESS_EXITHANDLER(unicast_close(&uc);)
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PROCESS_BEGIN();
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printf("I'm a client mote, my rime addr is: %d.%d\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
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unicast_open(&uc, 146, &unicast_callbacks);
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SENSORS_ACTIVATE(light_sensor);
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while(1)
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{
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static struct etimer et;
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rimeaddr_t addr;
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etimer_set(&et, CLOCK_SECOND*5/3);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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int lightData = light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC);
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char message[100];
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sprintf(message,"From %d.%d; Light (raw reading) = %d",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1], lightData);
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packetbuf_copyfrom(message, strlen(message));
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addr.u8[0] = 1; // this is the server rime address (part 1)
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addr.u8[1] = 0; // this is the server rime address (part 2)
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if(!rimeaddr_cmp(&addr, &rimeaddr_node_addr))
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{
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unicast_send(&uc, &addr);
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printf("My light reading is sent to %d.%d.\n", addr.u8[0],addr.u8[1]);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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