Michael Koster / Mbed 2 deprecated Weather_Station_LWM2M

LWM2M Weather Station

Dependencies:   EthernetInterfaceUpdate mbed-rtos mbed nanoservice_client_1_12_X

nsdl_support.cpp@3:12c28025d4a4, 2015-04-13 (annotated)

Committer:
michaeljkoster
Date:
Mon Apr 13 22:13:56 2015 +0000
Revision:
3:12c28025d4a4
Parent:
2:d758d2248748 
updated NSDL-C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:2b74e0fc583d 1 // NSDL library support functions
michaeljkoster 0:2b74e0fc583d 2
michaeljkoster 0:2b74e0fc583d 3 #include "mbed.h"
michaeljkoster 0:2b74e0fc583d 4 #include "nsdl_support.h"
michaeljkoster 0:2b74e0fc583d 5 #include "mbed.h"
michaeljkoster 0:2b74e0fc583d 6 #include "rtos.h"
michaeljkoster 0:2b74e0fc583d 7 #include "EthernetInterface.h"
michaeljkoster 0:2b74e0fc583d 8 #include "UDPSocket.h"
michaeljkoster 0:2b74e0fc583d 9 #include "Endpoint.h"
michaeljkoster 0:2b74e0fc583d 10
michaeljkoster 0:2b74e0fc583d 11 /* __heapvalid((__heapprt)fprintf,stdout, 1);\*/
michaeljkoster 0:2b74e0fc583d 12 #define MEM_VALID(x) \
michaeljkoster 0:2b74e0fc583d 13 int s##x=0;\
michaeljkoster 0:2b74e0fc583d 14 int *h##x = new int [1];\
michaeljkoster 0:2b74e0fc583d 15 std::printf("[stack]0x%08x\t[heap]0x%08x\t[memory avail]%d bytes \tLine: %d %s\r\n", &s##x, h##x, &s##x-h##x, __LINE__, __FILE__);\
michaeljkoster 0:2b74e0fc583d 16 if (h##x > &s##x)\
michaeljkoster 0:2b74e0fc583d 17 printf("collision\n");\
michaeljkoster 0:2b74e0fc583d 18 else\
michaeljkoster 0:2b74e0fc583d 19 delete [] h##x;\
michaeljkoster 0:2b74e0fc583d 20 __nop()
michaeljkoster 0:2b74e0fc583d 21
michaeljkoster 0:2b74e0fc583d 22 extern Serial pc;
michaeljkoster 0:2b74e0fc583d 23 extern Endpoint nsp;
michaeljkoster 0:2b74e0fc583d 24 extern UDPSocket server;
michaeljkoster 0:2b74e0fc583d 25 extern char endpoint_name[24];
michaeljkoster 0:2b74e0fc583d 26 extern uint8_t ep_type[];
michaeljkoster 0:2b74e0fc583d 27 extern uint8_t lifetime_ptr[];
michaeljkoster 0:2b74e0fc583d 28 char null_ep_name[] = "";
michaeljkoster 0:2b74e0fc583d 29 uint8_t null_ep_type[] = "";
michaeljkoster 0:2b74e0fc583d 30 uint8_t null_lifetime_ptr[] = "60";
michaeljkoster 0:2b74e0fc583d 31 bool nsdl_reg_update_needed = false;
michaeljkoster 0:2b74e0fc583d 32
michaeljkoster 0:2b74e0fc583d 33 /* The number of seconds between NSP registration messages */
michaeljkoster 0:2b74e0fc583d 34 #define RD_UPDATE_PERIOD 30
michaeljkoster 0:2b74e0fc583d 35
michaeljkoster 0:2b74e0fc583d 36 void *nsdl_alloc(uint16_t size)
michaeljkoster 0:2b74e0fc583d 37 {
michaeljkoster 0:2b74e0fc583d 38 void *buf = malloc(size);
michaeljkoster 2:d758d2248748 39 //printf("alloc\r\n");
michaeljkoster 2:d758d2248748 40 //MEM_VALID(0);
michaeljkoster 0:2b74e0fc583d 41 return buf;
michaeljkoster 0:2b74e0fc583d 42 }
michaeljkoster 0:2b74e0fc583d 43
michaeljkoster 0:2b74e0fc583d 44 void nsdl_free(void* ptr_to_free)
michaeljkoster 0:2b74e0fc583d 45 {
michaeljkoster 0:2b74e0fc583d 46 free(ptr_to_free);
michaeljkoster 2:d758d2248748 47 //printf("de-alloc\r\n");
michaeljkoster 2:d758d2248748 48 //MEM_VALID(0);
michaeljkoster 0:2b74e0fc583d 49 }
michaeljkoster 0:2b74e0fc583d 50
michaeljkoster 0:2b74e0fc583d 51 /*
michaeljkoster 0:2b74e0fc583d 52 * Create a static resoure
michaeljkoster 0:2b74e0fc583d 53 * Only get is allowed
michaeljkoster 0:2b74e0fc583d 54 */
michaeljkoster 0:2b74e0fc583d 55 void nsdl_create_static_resource(sn_nsdl_resource_info_s *resource_structure, uint16_t pt_len, uint8_t *pt, uint16_t rpp_len, uint8_t *rpp_ptr, uint8_t *rsc, uint16_t rsc_len)
michaeljkoster 0:2b74e0fc583d 56 {
michaeljkoster 0:2b74e0fc583d 57 resource_structure->access = SN_GRS_GET_ALLOWED;
michaeljkoster 0:2b74e0fc583d 58 resource_structure->mode = SN_GRS_STATIC;
michaeljkoster 0:2b74e0fc583d 59 resource_structure->pathlen = pt_len;
michaeljkoster 0:2b74e0fc583d 60 resource_structure->path = pt;
michaeljkoster 0:2b74e0fc583d 61 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:2b74e0fc583d 62 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:2b74e0fc583d 63 resource_structure->resource = rsc;
michaeljkoster 0:2b74e0fc583d 64 resource_structure->resourcelen = rsc_len;
michaeljkoster 0:2b74e0fc583d 65 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:2b74e0fc583d 66 }
michaeljkoster 0:2b74e0fc583d 67
michaeljkoster 0:2b74e0fc583d 68 void nsdl_create_dynamic_resource(sn_nsdl_resource_info_s *resource_structure, uint16_t pt_len, uint8_t *pt, uint16_t rpp_len, uint8_t *rpp_ptr, uint8_t is_observable, sn_grs_dyn_res_callback_t callback_ptr, int access_right)
michaeljkoster 0:2b74e0fc583d 69 {
michaeljkoster 0:2b74e0fc583d 70 resource_structure->access = (sn_grs_resource_acl_e)access_right;
michaeljkoster 0:2b74e0fc583d 71 resource_structure->resource = 0;
michaeljkoster 0:2b74e0fc583d 72 resource_structure->resourcelen = 0;
michaeljkoster 0:2b74e0fc583d 73 resource_structure->sn_grs_dyn_res_callback = callback_ptr;
michaeljkoster 0:2b74e0fc583d 74 resource_structure->mode = SN_GRS_DYNAMIC;
michaeljkoster 0:2b74e0fc583d 75 resource_structure->pathlen = pt_len;
michaeljkoster 0:2b74e0fc583d 76 resource_structure->path = pt;
michaeljkoster 0:2b74e0fc583d 77 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:2b74e0fc583d 78 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:2b74e0fc583d 79 resource_structure->resource_parameters_ptr->observable = is_observable;
michaeljkoster 0:2b74e0fc583d 80 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:2b74e0fc583d 81 }
michaeljkoster 0:2b74e0fc583d 82
michaeljkoster 0:2b74e0fc583d 83 sn_nsdl_ep_parameters_s* nsdl_init_register_endpoint(sn_nsdl_ep_parameters_s *endpoint_structure, uint8_t* name, uint8_t* typename_ptr, uint8_t *lifetime_ptr)
michaeljkoster 0:2b74e0fc583d 84 {
michaeljkoster 0:2b74e0fc583d 85 if (NULL == endpoint_structure)
michaeljkoster 0:2b74e0fc583d 86 {
michaeljkoster 0:2b74e0fc583d 87 endpoint_structure = (sn_nsdl_ep_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:2b74e0fc583d 88 }
michaeljkoster 0:2b74e0fc583d 89 if (endpoint_structure)
michaeljkoster 0:2b74e0fc583d 90 {
michaeljkoster 0:2b74e0fc583d 91 memset(endpoint_structure, 0, sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:2b74e0fc583d 92 endpoint_structure->endpoint_name_ptr = name;
michaeljkoster 0:2b74e0fc583d 93 endpoint_structure->endpoint_name_len = strlen((char*)name);
michaeljkoster 0:2b74e0fc583d 94 endpoint_structure->type_ptr = typename_ptr;
michaeljkoster 0:2b74e0fc583d 95 endpoint_structure->type_len = strlen((char*)typename_ptr);
michaeljkoster 0:2b74e0fc583d 96 endpoint_structure->lifetime_ptr = lifetime_ptr;
michaeljkoster 0:2b74e0fc583d 97 endpoint_structure->lifetime_len = strlen((char*)lifetime_ptr);
michaeljkoster 0:2b74e0fc583d 98 }
michaeljkoster 0:2b74e0fc583d 99 return endpoint_structure;
michaeljkoster 0:2b74e0fc583d 100 }
michaeljkoster 0:2b74e0fc583d 101
michaeljkoster 0:2b74e0fc583d 102 void nsdl_clean_register_endpoint(sn_nsdl_ep_parameters_s **endpoint_structure)
michaeljkoster 0:2b74e0fc583d 103 {
michaeljkoster 0:2b74e0fc583d 104 if (*endpoint_structure)
michaeljkoster 0:2b74e0fc583d 105 {
michaeljkoster 0:2b74e0fc583d 106 nsdl_free(*endpoint_structure);
michaeljkoster 0:2b74e0fc583d 107 *endpoint_structure = NULL;
michaeljkoster 0:2b74e0fc583d 108 }
michaeljkoster 0:2b74e0fc583d 109 }
michaeljkoster 0:2b74e0fc583d 110
michaeljkoster 0:2b74e0fc583d 111 static uint8_t tx_cb(sn_nsdl_capab_e protocol, uint8_t *data_ptr, uint16_t data_len, sn_nsdl_addr_s *address_ptr)
michaeljkoster 0:2b74e0fc583d 112 {
michaeljkoster 0:2b74e0fc583d 113 pc.printf("TX callback!\n\rSending %d bytes\r\n", data_len);
michaeljkoster 0:2b74e0fc583d 114
michaeljkoster 0:2b74e0fc583d 115 if(server.sendTo(nsp, (char*)data_ptr, data_len) != data_len)
michaeljkoster 0:2b74e0fc583d 116 pc.printf("sending failed\n\r");
michaeljkoster 0:2b74e0fc583d 117
michaeljkoster 0:2b74e0fc583d 118 return 1;
michaeljkoster 0:2b74e0fc583d 119 }
michaeljkoster 0:2b74e0fc583d 120
michaeljkoster 0:2b74e0fc583d 121 static uint8_t rx_cb(sn_coap_hdr_s *coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
michaeljkoster 0:2b74e0fc583d 122 {
michaeljkoster 0:2b74e0fc583d 123 pc.printf("RX callback!\r\n");
michaeljkoster 0:2b74e0fc583d 124 pc.printf("msg_code: %d \r\n", coap_packet_ptr->msg_code);
michaeljkoster 0:2b74e0fc583d 125 pc.printf("Payload length: %d bytes\r\n", coap_packet_ptr->payload_len);
michaeljkoster 0:2b74e0fc583d 126 int i;
michaeljkoster 0:2b74e0fc583d 127 pc.printf("Payload:'");
michaeljkoster 0:2b74e0fc583d 128 for (i=0; i < coap_packet_ptr->payload_len; i++)
michaeljkoster 0:2b74e0fc583d 129 pc.printf("%c", *(coap_packet_ptr->payload_ptr + i));
michaeljkoster 0:2b74e0fc583d 130 pc.printf("' \r\n");
michaeljkoster 0:2b74e0fc583d 131 if (coap_packet_ptr->options_list_ptr && coap_packet_ptr->options_list_ptr->location_path_ptr)
michaeljkoster 0:2b74e0fc583d 132 {
michaeljkoster 0:2b74e0fc583d 133 pc.printf("Location: /");
michaeljkoster 2:d758d2248748 134 for (int i=0; i < coap_packet_ptr->options_list_ptr->location_path_len; i++) pc.printf("%c", (char)(coap_packet_ptr->options_list_ptr->location_path_ptr[i]));
michaeljkoster 0:2b74e0fc583d 135 pc.printf(" \r\n");
michaeljkoster 0:2b74e0fc583d 136 }
michaeljkoster 2:d758d2248748 137 //sn_coap_packet_debug(coap_packet_ptr); // need to enable in nsdl source code
michaeljkoster 0:2b74e0fc583d 138 return 0;
michaeljkoster 0:2b74e0fc583d 139 }
michaeljkoster 0:2b74e0fc583d 140
michaeljkoster 0:2b74e0fc583d 141 void nsdl_init()
michaeljkoster 0:2b74e0fc583d 142 {
michaeljkoster 0:2b74e0fc583d 143 uint8_t nsp_addr[4];
michaeljkoster 0:2b74e0fc583d 144 sn_nsdl_mem_s memory_cbs;
michaeljkoster 0:2b74e0fc583d 145
michaeljkoster 0:2b74e0fc583d 146 /* Initialize libNsdl */
michaeljkoster 0:2b74e0fc583d 147 memory_cbs.sn_nsdl_alloc = &nsdl_alloc;
michaeljkoster 0:2b74e0fc583d 148 memory_cbs.sn_nsdl_free = &nsdl_free;
michaeljkoster 0:2b74e0fc583d 149 if(sn_nsdl_init(&tx_cb, &rx_cb, &memory_cbs) == -1)
michaeljkoster 0:2b74e0fc583d 150 pc.printf("libNsdl init failed\r\n");
michaeljkoster 0:2b74e0fc583d 151 else
michaeljkoster 0:2b74e0fc583d 152 pc.printf("libNsdl init done\r\n");
michaeljkoster 0:2b74e0fc583d 153
michaeljkoster 0:2b74e0fc583d 154 /* Set nsp address for library */
michaeljkoster 0:2b74e0fc583d 155 set_NSP_address(nsp_addr, 5683, SN_NSDL_ADDRESS_TYPE_IPV4);
michaeljkoster 0:2b74e0fc583d 156 }
michaeljkoster 0:2b74e0fc583d 157
michaeljkoster 0:2b74e0fc583d 158 void nsdl_reg_update()
michaeljkoster 0:2b74e0fc583d 159 {
michaeljkoster 0:2b74e0fc583d 160 sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
michaeljkoster 0:2b74e0fc583d 161 endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)null_ep_name, null_ep_type, null_lifetime_ptr);
michaeljkoster 0:2b74e0fc583d 162 if(sn_nsdl_update_registration(endpoint_ptr) != 0)
michaeljkoster 0:2b74e0fc583d 163 pc.printf("NSP registration update failed\r\n");
michaeljkoster 0:2b74e0fc583d 164 else
michaeljkoster 0:2b74e0fc583d 165 pc.printf("NSP registration update OK\r\n");
michaeljkoster 0:2b74e0fc583d 166 nsdl_clean_register_endpoint(&endpoint_ptr);
michaeljkoster 0:2b74e0fc583d 167 }
michaeljkoster 0:2b74e0fc583d 168
michaeljkoster 0:2b74e0fc583d 169 void nsdl_reg_update_timeout()
michaeljkoster 0:2b74e0fc583d 170 {
michaeljkoster 0:2b74e0fc583d 171 nsdl_reg_update_needed = true;
michaeljkoster 0:2b74e0fc583d 172 }
michaeljkoster 0:2b74e0fc583d 173
michaeljkoster 0:2b74e0fc583d 174 Ticker regUpdateTicker;
michaeljkoster 0:2b74e0fc583d 175
michaeljkoster 0:2b74e0fc583d 176 void nsdl_event_loop()
michaeljkoster 0:2b74e0fc583d 177 {
michaeljkoster 0:2b74e0fc583d 178 //Thread registration_thread(registration_update_thread);
michaeljkoster 0:2b74e0fc583d 179
michaeljkoster 0:2b74e0fc583d 180 sn_nsdl_addr_s received_packet_address;
michaeljkoster 0:2b74e0fc583d 181 uint8_t received_address[4];
michaeljkoster 0:2b74e0fc583d 182 char buffer[1024];
michaeljkoster 0:2b74e0fc583d 183 Endpoint from;
michaeljkoster 0:2b74e0fc583d 184
michaeljkoster 0:2b74e0fc583d 185 memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
michaeljkoster 0:2b74e0fc583d 186 received_packet_address.addr_ptr = received_address;
michaeljkoster 0:2b74e0fc583d 187
michaeljkoster 0:2b74e0fc583d 188 regUpdateTicker.attach(&nsdl_reg_update_timeout, RD_UPDATE_PERIOD);
michaeljkoster 0:2b74e0fc583d 189
michaeljkoster 0:2b74e0fc583d 190 while(1)
michaeljkoster 0:2b74e0fc583d 191 {
michaeljkoster 0:2b74e0fc583d 192 int n = server.receiveFrom(from, buffer, sizeof(buffer));
michaeljkoster 0:2b74e0fc583d 193 if (n < 0)
michaeljkoster 0:2b74e0fc583d 194 {
michaeljkoster 0:2b74e0fc583d 195 pc.printf("Socket error\n\r");
michaeljkoster 0:2b74e0fc583d 196 }
michaeljkoster 0:2b74e0fc583d 197 else if (n > 0)
michaeljkoster 0:2b74e0fc583d 198 {
michaeljkoster 0:2b74e0fc583d 199 pc.printf("Received %d bytes\r\n", n);
michaeljkoster 0:2b74e0fc583d 200 sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address);
michaeljkoster 0:2b74e0fc583d 201 }
michaeljkoster 0:2b74e0fc583d 202 if (nsdl_reg_update_needed)
michaeljkoster 0:2b74e0fc583d 203 {
michaeljkoster 0:2b74e0fc583d 204 nsdl_reg_update_needed = false;
michaeljkoster 0:2b74e0fc583d 205 nsdl_reg_update();
michaeljkoster 0:2b74e0fc583d 206 }
michaeljkoster 0:2b74e0fc583d 207 }
michaeljkoster 0:2b74e0fc583d 208 }
michaeljkoster 0:2b74e0fc583d 209
michaeljkoster 0:2b74e0fc583d 210