MBED_DEMOS / Mbed 2 deprecated ArchPro_LWM2M_LED_Client

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Dependencies:   EthernetInterface PololuLedStripx mbed-rtos mbed nanoservice_client_1_12_X

Fork of LPC1768_LWM2M_Client by MBED_DEMOS

resources/relay.cpp@0:9101343a70cd, 2014-07-22 (annotated)

Committer:
michaeljkoster
Date:
Tue Jul 22 23:58:23 2014 +0000
Revision:
0:9101343a70cd
Demo with lwm2m

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:9101343a70cd 1 // GPS resource implementation
michaeljkoster 0:9101343a70cd 2
michaeljkoster 0:9101343a70cd 3 #include "mbed.h"
michaeljkoster 0:9101343a70cd 4 #include "nsdl_support.h"
michaeljkoster 0:9101343a70cd 5 #include "relay.h"
michaeljkoster 0:9101343a70cd 6 #include "Beep.h"
michaeljkoster 0:9101343a70cd 7
michaeljkoster 0:9101343a70cd 8 #define RELAY_RES_ID "beep/0/on"
michaeljkoster 0:9101343a70cd 9
michaeljkoster 0:9101343a70cd 10 extern Serial pc;
michaeljkoster 0:9101343a70cd 11 static Beep buzzer(p26);
michaeljkoster 0:9101343a70cd 12
michaeljkoster 0:9101343a70cd 13 /* Only GET and PUT method allowed */
michaeljkoster 0:9101343a70cd 14 static uint8_t relay_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
michaeljkoster 0:9101343a70cd 15 {
michaeljkoster 0:9101343a70cd 16 sn_coap_hdr_s *coap_res_ptr = 0;
michaeljkoster 0:9101343a70cd 17 static uint8_t relay_state = '0';
michaeljkoster 0:9101343a70cd 18
michaeljkoster 0:9101343a70cd 19 pc.printf("relay callback\r\n");
michaeljkoster 0:9101343a70cd 20
michaeljkoster 0:9101343a70cd 21 if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET)
michaeljkoster 0:9101343a70cd 22 {
michaeljkoster 0:9101343a70cd 23 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
michaeljkoster 0:9101343a70cd 24
michaeljkoster 0:9101343a70cd 25 coap_res_ptr->payload_len = 1;
michaeljkoster 0:9101343a70cd 26 coap_res_ptr->payload_ptr = &relay_state;
michaeljkoster 0:9101343a70cd 27 sn_nsdl_send_coap_message(address, coap_res_ptr);
michaeljkoster 0:9101343a70cd 28 }
michaeljkoster 0:9101343a70cd 29 else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT)
michaeljkoster 0:9101343a70cd 30 {
michaeljkoster 0:9101343a70cd 31 if(received_coap_ptr->payload_len)
michaeljkoster 0:9101343a70cd 32 {
michaeljkoster 0:9101343a70cd 33 if(*(received_coap_ptr->payload_ptr) == '1')
michaeljkoster 0:9101343a70cd 34 {
michaeljkoster 0:9101343a70cd 35 buzzer.beep(1000,0);
michaeljkoster 0:9101343a70cd 36 relay_state = '1';
michaeljkoster 0:9101343a70cd 37
michaeljkoster 0:9101343a70cd 38 }
michaeljkoster 0:9101343a70cd 39 else if(*(received_coap_ptr->payload_ptr) == '0')
michaeljkoster 0:9101343a70cd 40 {
michaeljkoster 0:9101343a70cd 41 buzzer.nobeep();
michaeljkoster 0:9101343a70cd 42 relay_state = '0';
michaeljkoster 0:9101343a70cd 43 }
michaeljkoster 0:9101343a70cd 44 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
michaeljkoster 0:9101343a70cd 45 sn_nsdl_send_coap_message(address, coap_res_ptr);
michaeljkoster 0:9101343a70cd 46 }
michaeljkoster 0:9101343a70cd 47 }
michaeljkoster 0:9101343a70cd 48
michaeljkoster 0:9101343a70cd 49 sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
michaeljkoster 0:9101343a70cd 50
michaeljkoster 0:9101343a70cd 51 return 0;
michaeljkoster 0:9101343a70cd 52 }
michaeljkoster 0:9101343a70cd 53
michaeljkoster 0:9101343a70cd 54 int create_relay_resource(sn_nsdl_resource_info_s *resource_ptr)
michaeljkoster 0:9101343a70cd 55 {
michaeljkoster 0:9101343a70cd 56 nsdl_create_dynamic_resource(resource_ptr, sizeof(RELAY_RES_ID)-1, (uint8_t*)RELAY_RES_ID, 0, 0, 0, &relay_resource_cb, (SN_GRS_GET_ALLOWED | SN_GRS_PUT_ALLOWED));
michaeljkoster 0:9101343a70cd 57 return 0;
michaeljkoster 0:9101343a70cd 58 }