buzzer.cpp

00001 // Buzzer resource implementation
00002 
00003 #include "mbed.h"
00004 #include "nsdl_support.h"
00005 #include "buzzer.h"
00006 #include "Beep.h"
00007 
00008 #define BUZZ_RES_ID    "buzz"
00009 
00010 extern Serial pc;
00011 static Beep buzzer(p26);
00012 
00013 // Data from PUT request
00014 static char received_cmd[20];
00015 static char cmd[10];
00016 
00017 /* Only PUT method allowed */
00018 static uint8_t buzz_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
00019 {
00020     sn_coap_hdr_s *coap_res_ptr = 0;
00021     memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
00022     received_cmd[received_coap_ptr->payload_len] = '\0';
00023     sprintf(cmd, "%s", received_cmd);
00024         
00025     if (!strcmp(cmd, "beep")) {
00026         buzzer.beep(300,0);
00027         wait(0.05);
00028         buzzer.nobeep();
00029     }
00030     else if (!strcmp(cmd, "score")) {
00031         buzzer.beep(400,0);
00032         wait(0.2);
00033         buzzer.nobeep();
00034         buzzer.beep(600,0);
00035         wait(0.3);
00036         buzzer.nobeep();
00037     }
00038     else if (!strcmp(cmd, "win")) {
00039         buzzer.beep(700,0);
00040         wait(0.2);
00041         buzzer.nobeep();
00042         buzzer.beep(700,0);
00043         wait(0.3);
00044         buzzer.nobeep();
00045     }
00046     
00047     coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
00048     sn_nsdl_send_coap_message(address, coap_res_ptr);
00049     sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
00050     memset(cmd, 0, 10);
00051     return 0;
00052 }
00053 
00054 int create_buzz_resource(sn_nsdl_resource_info_s *resource_ptr)
00055 {
00056     nsdl_create_dynamic_resource(resource_ptr, sizeof(BUZZ_RES_ID)-1, (uint8_t*)BUZZ_RES_ID, 0, 0, 0, &buzz_resource_cb, SN_GRS_PUT_ALLOWED);
00057     return 0;
00058 }