MBED_DEMOS / Mbed 2 deprecated Hello-mDS-ArchPro-ethernet

Arch Pro mbed Device Server demo exposes LEDs as LWM2M style object

Dependencies:   EthernetInterface mbed-rtos mbed nsdl_lib

nsdl_support.cpp@0:f7f236605c98, 2014-10-11 (annotated)

Committer:
michaeljkoster
Date:
Sat Oct 11 06:14:44 2014 +0000
Revision:
0:f7f236605c98
Initial Drop for SCU Class Demo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:f7f236605c98 1 // NSDL library support functions
michaeljkoster 0:f7f236605c98 2
michaeljkoster 0:f7f236605c98 3 #include "mbed.h"
michaeljkoster 0:f7f236605c98 4 #include "nsdl_support.h"
michaeljkoster 0:f7f236605c98 5 #include "mbed.h"
michaeljkoster 0:f7f236605c98 6 #include "rtos.h"
michaeljkoster 0:f7f236605c98 7 #include "EthernetInterface.h"
michaeljkoster 0:f7f236605c98 8 #include "UDPSocket.h"
michaeljkoster 0:f7f236605c98 9 #include "Endpoint.h"
michaeljkoster 0:f7f236605c98 10
michaeljkoster 0:f7f236605c98 11 /* __heapvalid((__heapprt)fprintf,stdout, 1);\*/
michaeljkoster 0:f7f236605c98 12 #define MEM_VALID(x) \
michaeljkoster 0:f7f236605c98 13 int s##x=0;\
michaeljkoster 0:f7f236605c98 14 int *h##x = new int [1];\
michaeljkoster 0:f7f236605c98 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:f7f236605c98 16 if (h##x > &s##x)\
michaeljkoster 0:f7f236605c98 17 printf("collision\n");\
michaeljkoster 0:f7f236605c98 18 else\
michaeljkoster 0:f7f236605c98 19 delete [] h##x;\
michaeljkoster 0:f7f236605c98 20 __nop()
michaeljkoster 0:f7f236605c98 21
michaeljkoster 0:f7f236605c98 22 extern Serial pc;
michaeljkoster 0:f7f236605c98 23 extern Endpoint nsp;
michaeljkoster 0:f7f236605c98 24 extern UDPSocket server;
michaeljkoster 0:f7f236605c98 25 extern char endpoint_name[24];
michaeljkoster 0:f7f236605c98 26 extern uint8_t ep_type[];
michaeljkoster 0:f7f236605c98 27 extern uint8_t lifetime_ptr[];
michaeljkoster 0:f7f236605c98 28 char null_ep_name[] = "";
michaeljkoster 0:f7f236605c98 29 uint8_t null_ep_type[] = "";
michaeljkoster 0:f7f236605c98 30 uint8_t null_lifetime_ptr[] = "60";
michaeljkoster 0:f7f236605c98 31 bool nsdl_reg_update_needed = false;
michaeljkoster 0:f7f236605c98 32
michaeljkoster 0:f7f236605c98 33 /* The number of seconds between NSP registration messages */
michaeljkoster 0:f7f236605c98 34 #define RD_UPDATE_PERIOD 30
michaeljkoster 0:f7f236605c98 35
michaeljkoster 0:f7f236605c98 36 void *nsdl_alloc(uint16_t size)
michaeljkoster 0:f7f236605c98 37 {
michaeljkoster 0:f7f236605c98 38 void *buf = malloc(size);
michaeljkoster 0:f7f236605c98 39 // printf("alloc\r\n");
michaeljkoster 0:f7f236605c98 40 // MEM_VALID(0);
michaeljkoster 0:f7f236605c98 41 return buf;
michaeljkoster 0:f7f236605c98 42 }
michaeljkoster 0:f7f236605c98 43
michaeljkoster 0:f7f236605c98 44 void nsdl_free(void* ptr_to_free)
michaeljkoster 0:f7f236605c98 45 {
michaeljkoster 0:f7f236605c98 46 free(ptr_to_free);
michaeljkoster 0:f7f236605c98 47 // printf("de-alloc\r\n");
michaeljkoster 0:f7f236605c98 48 // MEM_VALID(0);
michaeljkoster 0:f7f236605c98 49 }
michaeljkoster 0:f7f236605c98 50
michaeljkoster 0:f7f236605c98 51 /*
michaeljkoster 0:f7f236605c98 52 * Create a static resoure
michaeljkoster 0:f7f236605c98 53 * Only get is allowed
michaeljkoster 0:f7f236605c98 54 */
michaeljkoster 0:f7f236605c98 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:f7f236605c98 56 {
michaeljkoster 0:f7f236605c98 57 resource_structure->access = SN_GRS_GET_ALLOWED;
michaeljkoster 0:f7f236605c98 58 resource_structure->mode = SN_GRS_STATIC;
michaeljkoster 0:f7f236605c98 59 resource_structure->pathlen = pt_len;
michaeljkoster 0:f7f236605c98 60 resource_structure->path = pt;
michaeljkoster 0:f7f236605c98 61 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:f7f236605c98 62 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:f7f236605c98 63 resource_structure->resource = rsc;
michaeljkoster 0:f7f236605c98 64 resource_structure->resourcelen = rsc_len;
michaeljkoster 0:f7f236605c98 65 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:f7f236605c98 66 }
michaeljkoster 0:f7f236605c98 67
michaeljkoster 0:f7f236605c98 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:f7f236605c98 69 {
michaeljkoster 0:f7f236605c98 70 resource_structure->access = (sn_grs_resource_acl_e)access_right;
michaeljkoster 0:f7f236605c98 71 resource_structure->resource = 0;
michaeljkoster 0:f7f236605c98 72 resource_structure->resourcelen = 0;
michaeljkoster 0:f7f236605c98 73 resource_structure->sn_grs_dyn_res_callback = callback_ptr;
michaeljkoster 0:f7f236605c98 74 resource_structure->mode = SN_GRS_DYNAMIC;
michaeljkoster 0:f7f236605c98 75 resource_structure->pathlen = pt_len;
michaeljkoster 0:f7f236605c98 76 resource_structure->path = pt;
michaeljkoster 0:f7f236605c98 77 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:f7f236605c98 78 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:f7f236605c98 79 resource_structure->resource_parameters_ptr->observable = is_observable;
michaeljkoster 0:f7f236605c98 80 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:f7f236605c98 81 }
michaeljkoster 0:f7f236605c98 82
michaeljkoster 0:f7f236605c98 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:f7f236605c98 84 {
michaeljkoster 0:f7f236605c98 85 if (NULL == endpoint_structure)
michaeljkoster 0:f7f236605c98 86 {
michaeljkoster 0:f7f236605c98 87 endpoint_structure = (sn_nsdl_ep_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:f7f236605c98 88 }
michaeljkoster 0:f7f236605c98 89 if (endpoint_structure)
michaeljkoster 0:f7f236605c98 90 {
michaeljkoster 0:f7f236605c98 91 memset(endpoint_structure, 0, sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:f7f236605c98 92 endpoint_structure->endpoint_name_ptr = name;
michaeljkoster 0:f7f236605c98 93 endpoint_structure->endpoint_name_len = strlen((char*)name);
michaeljkoster 0:f7f236605c98 94 endpoint_structure->type_ptr = typename_ptr;
michaeljkoster 0:f7f236605c98 95 endpoint_structure->type_len = strlen((char*)typename_ptr);
michaeljkoster 0:f7f236605c98 96 endpoint_structure->lifetime_ptr = lifetime_ptr;
michaeljkoster 0:f7f236605c98 97 endpoint_structure->lifetime_len = strlen((char*)lifetime_ptr);
michaeljkoster 0:f7f236605c98 98 }
michaeljkoster 0:f7f236605c98 99 return endpoint_structure;
michaeljkoster 0:f7f236605c98 100 }
michaeljkoster 0:f7f236605c98 101
michaeljkoster 0:f7f236605c98 102 void nsdl_clean_register_endpoint(sn_nsdl_ep_parameters_s **endpoint_structure)
michaeljkoster 0:f7f236605c98 103 {
michaeljkoster 0:f7f236605c98 104 if (*endpoint_structure)
michaeljkoster 0:f7f236605c98 105 {
michaeljkoster 0:f7f236605c98 106 nsdl_free(*endpoint_structure);
michaeljkoster 0:f7f236605c98 107 *endpoint_structure = NULL;
michaeljkoster 0:f7f236605c98 108 }
michaeljkoster 0:f7f236605c98 109 }
michaeljkoster 0:f7f236605c98 110
michaeljkoster 0:f7f236605c98 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:f7f236605c98 112 {
michaeljkoster 0:f7f236605c98 113 pc.printf("TX callback!\n\rSending %d bytes\r\n", data_len);
michaeljkoster 0:f7f236605c98 114
michaeljkoster 0:f7f236605c98 115 if(server.sendTo(nsp, (char*)data_ptr, data_len) != data_len)
michaeljkoster 0:f7f236605c98 116 pc.printf("sending failed\n\r");
michaeljkoster 0:f7f236605c98 117
michaeljkoster 0:f7f236605c98 118 return 1;
michaeljkoster 0:f7f236605c98 119 }
michaeljkoster 0:f7f236605c98 120
michaeljkoster 0:f7f236605c98 121 static uint8_t rx_cb(sn_coap_hdr_s *coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
michaeljkoster 0:f7f236605c98 122 {
michaeljkoster 0:f7f236605c98 123 pc.printf("RX callback!\r\n");
michaeljkoster 0:f7f236605c98 124 pc.printf("msg_code: %d \r\n", coap_packet_ptr->msg_code);
michaeljkoster 0:f7f236605c98 125 pc.printf("Payload length: %d bytes\r\n", coap_packet_ptr->payload_len);
michaeljkoster 0:f7f236605c98 126 int i;
michaeljkoster 0:f7f236605c98 127 pc.printf("Payload:'");
michaeljkoster 0:f7f236605c98 128 for (i=0; i < coap_packet_ptr->payload_len; i++)
michaeljkoster 0:f7f236605c98 129 pc.printf("%c", *(coap_packet_ptr->payload_ptr + i));
michaeljkoster 0:f7f236605c98 130 pc.printf("' \r\n");
michaeljkoster 0:f7f236605c98 131 if (coap_packet_ptr->options_list_ptr && coap_packet_ptr->options_list_ptr->location_path_ptr)
michaeljkoster 0:f7f236605c98 132 {
michaeljkoster 0:f7f236605c98 133 pc.printf("Location: /");
michaeljkoster 0:f7f236605c98 134 int i;
michaeljkoster 0:f7f236605c98 135 for (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:f7f236605c98 136 pc.printf(" \r\n");
michaeljkoster 0:f7f236605c98 137 }
michaeljkoster 0:f7f236605c98 138 //sn_coap_packet_debug(coap_packet_ptr);
michaeljkoster 0:f7f236605c98 139 return 0;
michaeljkoster 0:f7f236605c98 140 }
michaeljkoster 0:f7f236605c98 141
michaeljkoster 0:f7f236605c98 142 static void registration_update_thread(void const *args)
michaeljkoster 0:f7f236605c98 143 {
michaeljkoster 0:f7f236605c98 144 sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
michaeljkoster 0:f7f236605c98 145
michaeljkoster 0:f7f236605c98 146 while(true)
michaeljkoster 0:f7f236605c98 147 {
michaeljkoster 0:f7f236605c98 148 wait(RD_UPDATE_PERIOD);
michaeljkoster 0:f7f236605c98 149 endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)null_ep_name, null_ep_type, null_lifetime_ptr);
michaeljkoster 0:f7f236605c98 150 if(sn_nsdl_update_registration(endpoint_ptr) != 0)
michaeljkoster 0:f7f236605c98 151 pc.printf("NSP re-registering failed\r\n");
michaeljkoster 0:f7f236605c98 152 else
michaeljkoster 0:f7f236605c98 153 pc.printf("NSP re-registering OK\r\n");
michaeljkoster 0:f7f236605c98 154 nsdl_clean_register_endpoint(&endpoint_ptr);
michaeljkoster 0:f7f236605c98 155 }
michaeljkoster 0:f7f236605c98 156 }
michaeljkoster 0:f7f236605c98 157
michaeljkoster 0:f7f236605c98 158 void nsdl_init()
michaeljkoster 0:f7f236605c98 159 {
michaeljkoster 0:f7f236605c98 160 uint8_t nsp_addr[4];
michaeljkoster 0:f7f236605c98 161 sn_nsdl_mem_s memory_cbs;
michaeljkoster 0:f7f236605c98 162
michaeljkoster 0:f7f236605c98 163 /* Initialize libNsdl */
michaeljkoster 0:f7f236605c98 164 memory_cbs.sn_nsdl_alloc = &nsdl_alloc;
michaeljkoster 0:f7f236605c98 165 memory_cbs.sn_nsdl_free = &nsdl_free;
michaeljkoster 0:f7f236605c98 166 if(sn_nsdl_init(&tx_cb, &rx_cb, &memory_cbs) == -1)
michaeljkoster 0:f7f236605c98 167 pc.printf("libNsdl init failed\r\n");
michaeljkoster 0:f7f236605c98 168 else
michaeljkoster 0:f7f236605c98 169 pc.printf("libNsdl init done\r\n");
michaeljkoster 0:f7f236605c98 170
michaeljkoster 0:f7f236605c98 171 /* Set nsp address for library */
michaeljkoster 0:f7f236605c98 172 set_NSP_address(nsp_addr, 5683, SN_NSDL_ADDRESS_TYPE_IPV4);
michaeljkoster 0:f7f236605c98 173 }
michaeljkoster 0:f7f236605c98 174
michaeljkoster 0:f7f236605c98 175 void nsdl_event_loop()
michaeljkoster 0:f7f236605c98 176 {
michaeljkoster 0:f7f236605c98 177 Thread registration_thread(registration_update_thread);
michaeljkoster 0:f7f236605c98 178
michaeljkoster 0:f7f236605c98 179 sn_nsdl_addr_s received_packet_address;
michaeljkoster 0:f7f236605c98 180 uint8_t received_address[4];
michaeljkoster 0:f7f236605c98 181 char buffer[1024];
michaeljkoster 0:f7f236605c98 182 Endpoint from;
michaeljkoster 0:f7f236605c98 183
michaeljkoster 0:f7f236605c98 184 memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
michaeljkoster 0:f7f236605c98 185 received_packet_address.addr_ptr = received_address;
michaeljkoster 0:f7f236605c98 186
michaeljkoster 0:f7f236605c98 187 while(1)
michaeljkoster 0:f7f236605c98 188 {
michaeljkoster 0:f7f236605c98 189 int n = server.receiveFrom(from, buffer, sizeof(buffer));
michaeljkoster 0:f7f236605c98 190 if (n < 0)
michaeljkoster 0:f7f236605c98 191 {
michaeljkoster 0:f7f236605c98 192 pc.printf("Socket error\n\r");
michaeljkoster 0:f7f236605c98 193 }
michaeljkoster 0:f7f236605c98 194 else if (n > 0)
michaeljkoster 0:f7f236605c98 195 {
michaeljkoster 0:f7f236605c98 196 pc.printf("Received %d bytes\r\n", n);
michaeljkoster 0:f7f236605c98 197 sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address);
michaeljkoster 0:f7f236605c98 198 }
michaeljkoster 0:f7f236605c98 199 }
michaeljkoster 0:f7f236605c98 200 }
michaeljkoster 0:f7f236605c98 201
michaeljkoster 0:f7f236605c98 202