43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
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#include "contiki.h"
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#include "contiki-net.h"
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#include "er-coap-engine.h"
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#include "er-coap-communication.h"
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#include <string.h>
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#define DEBUG DEBUG_NONE
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#include "uip-debug.h"
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static struct uip_udp_conn *udp_conn = NULL;
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/*-----------------------------------------------------------------------------------*/
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void
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coap_init_communication_layer(uint16_t port)
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{
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/* new connection with remote host */
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udp_conn = udp_new(NULL, 0, NULL);
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udp_bind(udp_conn, port);
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PRINTF("Listening on port %u\n", uip_ntohs(udp_conn->lport));
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}
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/*-----------------------------------------------------------------------------------*/
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void
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coap_send_message(uip_ipaddr_t *addr, uint16_t port, uint8_t *data, uint16_t length)
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{
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/* Configure connection to reply to client */
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uip_ipaddr_copy(&udp_conn->ripaddr, addr);
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udp_conn->rport = port;
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uip_udp_packet_send(udp_conn, data, length);
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PRINTF("-sent UDP datagram (%u)-\n", length);
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/* Restore server connection to allow data from any node */
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memset(&udp_conn->ripaddr, 0, sizeof(udp_conn->ripaddr));
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udp_conn->rport = 0;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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coap_handle_receive()
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{
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coap_receive();
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}
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