MBED_DEMOS / Mbed 2 deprecated Hello-mDS-cc3000-WiFi

mDS demo using cc3000 WiFi Shields from Sparkfun or Adafruit

Dependencies:   cc3000_hostdriver_mbedsocket mbed nsdl_lib

nsdl_support.cpp@3:ddf404b5ed21, 2014-10-18 (annotated)

Committer:
michaeljkoster
Date:
Sat Oct 18 22:38:21 2014 +0000
Revision:
3:ddf404b5ed21
Parent:
0:b1ec2d7dc8d1 
Update WiFi for default SSID SCUGuest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:b1ec2d7dc8d1 1 // NSDL library support functions
michaeljkoster 0:b1ec2d7dc8d1 2
michaeljkoster 0:b1ec2d7dc8d1 3 #include "mbed.h"
michaeljkoster 0:b1ec2d7dc8d1 4 #include "nsdl_support.h"
michaeljkoster 0:b1ec2d7dc8d1 5 #include "mbed.h"
michaeljkoster 0:b1ec2d7dc8d1 6 #include "cc3000.h"
michaeljkoster 0:b1ec2d7dc8d1 7 #include "UDPSocket.h"
michaeljkoster 0:b1ec2d7dc8d1 8 #include "Endpoint.h"
michaeljkoster 0:b1ec2d7dc8d1 9
michaeljkoster 0:b1ec2d7dc8d1 10 /* __heapvalid((__heapprt)fprintf,stdout, 1);\*/
michaeljkoster 0:b1ec2d7dc8d1 11 #define MEM_VALID(x) \
michaeljkoster 0:b1ec2d7dc8d1 12 int s##x=0;\
michaeljkoster 0:b1ec2d7dc8d1 13 int *h##x = new int [1];\
michaeljkoster 0:b1ec2d7dc8d1 14 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:b1ec2d7dc8d1 15 if (h##x > &s##x)\
michaeljkoster 0:b1ec2d7dc8d1 16 printf("collision\n");\
michaeljkoster 0:b1ec2d7dc8d1 17 else\
michaeljkoster 0:b1ec2d7dc8d1 18 delete [] h##x;\
michaeljkoster 0:b1ec2d7dc8d1 19 __nop()
michaeljkoster 0:b1ec2d7dc8d1 20
michaeljkoster 0:b1ec2d7dc8d1 21 extern Serial pc;
michaeljkoster 0:b1ec2d7dc8d1 22 extern Endpoint nsp;
michaeljkoster 0:b1ec2d7dc8d1 23 extern UDPSocket server;
michaeljkoster 0:b1ec2d7dc8d1 24 extern char endpoint_name[24];
michaeljkoster 0:b1ec2d7dc8d1 25 extern uint8_t ep_type[];
michaeljkoster 0:b1ec2d7dc8d1 26 extern uint8_t lifetime_ptr[];
michaeljkoster 0:b1ec2d7dc8d1 27 char null_ep_name[] = "";
michaeljkoster 0:b1ec2d7dc8d1 28 uint8_t null_ep_type[] = "";
michaeljkoster 0:b1ec2d7dc8d1 29 uint8_t null_lifetime_ptr[] = "60";
michaeljkoster 0:b1ec2d7dc8d1 30 bool nsdl_reg_update_needed = false;
michaeljkoster 0:b1ec2d7dc8d1 31
michaeljkoster 0:b1ec2d7dc8d1 32 /* The number of seconds between NSP registration messages */
michaeljkoster 0:b1ec2d7dc8d1 33 #define RD_UPDATE_PERIOD 30
michaeljkoster 0:b1ec2d7dc8d1 34
michaeljkoster 0:b1ec2d7dc8d1 35 void *nsdl_alloc(uint16_t size)
michaeljkoster 0:b1ec2d7dc8d1 36 {
michaeljkoster 0:b1ec2d7dc8d1 37 void *buf = malloc(size);
michaeljkoster 0:b1ec2d7dc8d1 38 // printf("alloc\r\n");
michaeljkoster 0:b1ec2d7dc8d1 39 // MEM_VALID(0);
michaeljkoster 0:b1ec2d7dc8d1 40 return buf;
michaeljkoster 0:b1ec2d7dc8d1 41 }
michaeljkoster 0:b1ec2d7dc8d1 42
michaeljkoster 0:b1ec2d7dc8d1 43 void nsdl_free(void* ptr_to_free)
michaeljkoster 0:b1ec2d7dc8d1 44 {
michaeljkoster 0:b1ec2d7dc8d1 45 free(ptr_to_free);
michaeljkoster 0:b1ec2d7dc8d1 46 // printf("de-alloc\r\n");
michaeljkoster 0:b1ec2d7dc8d1 47 // MEM_VALID(0);
michaeljkoster 0:b1ec2d7dc8d1 48 }
michaeljkoster 0:b1ec2d7dc8d1 49
michaeljkoster 0:b1ec2d7dc8d1 50 /*
michaeljkoster 0:b1ec2d7dc8d1 51 * Create a static resoure
michaeljkoster 0:b1ec2d7dc8d1 52 * Only get is allowed
michaeljkoster 0:b1ec2d7dc8d1 53 */
michaeljkoster 0:b1ec2d7dc8d1 54 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:b1ec2d7dc8d1 55 {
michaeljkoster 0:b1ec2d7dc8d1 56 resource_structure->access = SN_GRS_GET_ALLOWED;
michaeljkoster 0:b1ec2d7dc8d1 57 resource_structure->mode = SN_GRS_STATIC;
michaeljkoster 0:b1ec2d7dc8d1 58 resource_structure->pathlen = pt_len;
michaeljkoster 0:b1ec2d7dc8d1 59 resource_structure->path = pt;
michaeljkoster 0:b1ec2d7dc8d1 60 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:b1ec2d7dc8d1 61 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:b1ec2d7dc8d1 62 resource_structure->resource = rsc;
michaeljkoster 0:b1ec2d7dc8d1 63 resource_structure->resourcelen = rsc_len;
michaeljkoster 0:b1ec2d7dc8d1 64 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:b1ec2d7dc8d1 65 }
michaeljkoster 0:b1ec2d7dc8d1 66
michaeljkoster 0:b1ec2d7dc8d1 67 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:b1ec2d7dc8d1 68 {
michaeljkoster 0:b1ec2d7dc8d1 69 resource_structure->access = (sn_grs_resource_acl_e)access_right;
michaeljkoster 0:b1ec2d7dc8d1 70 resource_structure->resource = 0;
michaeljkoster 0:b1ec2d7dc8d1 71 resource_structure->resourcelen = 0;
michaeljkoster 0:b1ec2d7dc8d1 72 resource_structure->sn_grs_dyn_res_callback = callback_ptr;
michaeljkoster 0:b1ec2d7dc8d1 73 resource_structure->mode = SN_GRS_DYNAMIC;
michaeljkoster 0:b1ec2d7dc8d1 74 resource_structure->pathlen = pt_len;
michaeljkoster 0:b1ec2d7dc8d1 75 resource_structure->path = pt;
michaeljkoster 0:b1ec2d7dc8d1 76 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:b1ec2d7dc8d1 77 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:b1ec2d7dc8d1 78 resource_structure->resource_parameters_ptr->observable = is_observable;
michaeljkoster 0:b1ec2d7dc8d1 79 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:b1ec2d7dc8d1 80 }
michaeljkoster 0:b1ec2d7dc8d1 81
michaeljkoster 0:b1ec2d7dc8d1 82 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:b1ec2d7dc8d1 83 {
michaeljkoster 0:b1ec2d7dc8d1 84 if (NULL == endpoint_structure)
michaeljkoster 0:b1ec2d7dc8d1 85 {
michaeljkoster 0:b1ec2d7dc8d1 86 endpoint_structure = (sn_nsdl_ep_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:b1ec2d7dc8d1 87 }
michaeljkoster 0:b1ec2d7dc8d1 88 if (endpoint_structure)
michaeljkoster 0:b1ec2d7dc8d1 89 {
michaeljkoster 0:b1ec2d7dc8d1 90 memset(endpoint_structure, 0, sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:b1ec2d7dc8d1 91 endpoint_structure->endpoint_name_ptr = name;
michaeljkoster 0:b1ec2d7dc8d1 92 endpoint_structure->endpoint_name_len = strlen((char*)name);
michaeljkoster 0:b1ec2d7dc8d1 93 endpoint_structure->type_ptr = typename_ptr;
michaeljkoster 0:b1ec2d7dc8d1 94 endpoint_structure->type_len = strlen((char*)typename_ptr);
michaeljkoster 0:b1ec2d7dc8d1 95 endpoint_structure->lifetime_ptr = lifetime_ptr;
michaeljkoster 0:b1ec2d7dc8d1 96 endpoint_structure->lifetime_len = strlen((char*)lifetime_ptr);
michaeljkoster 0:b1ec2d7dc8d1 97 }
michaeljkoster 0:b1ec2d7dc8d1 98 return endpoint_structure;
michaeljkoster 0:b1ec2d7dc8d1 99 }
michaeljkoster 0:b1ec2d7dc8d1 100
michaeljkoster 0:b1ec2d7dc8d1 101 void nsdl_clean_register_endpoint(sn_nsdl_ep_parameters_s **endpoint_structure)
michaeljkoster 0:b1ec2d7dc8d1 102 {
michaeljkoster 0:b1ec2d7dc8d1 103 if (*endpoint_structure)
michaeljkoster 0:b1ec2d7dc8d1 104 {
michaeljkoster 0:b1ec2d7dc8d1 105 nsdl_free(*endpoint_structure);
michaeljkoster 0:b1ec2d7dc8d1 106 *endpoint_structure = NULL;
michaeljkoster 0:b1ec2d7dc8d1 107 }
michaeljkoster 0:b1ec2d7dc8d1 108 }
michaeljkoster 0:b1ec2d7dc8d1 109
michaeljkoster 0:b1ec2d7dc8d1 110 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:b1ec2d7dc8d1 111 {
michaeljkoster 0:b1ec2d7dc8d1 112 pc.printf("TX callback!\n\rSending %d bytes\r\n", data_len);
michaeljkoster 0:b1ec2d7dc8d1 113
michaeljkoster 0:b1ec2d7dc8d1 114 if(server.sendTo(nsp, (char*)data_ptr, data_len) != data_len)
michaeljkoster 0:b1ec2d7dc8d1 115 pc.printf("sending failed\n\r");
michaeljkoster 0:b1ec2d7dc8d1 116
michaeljkoster 0:b1ec2d7dc8d1 117 return 1;
michaeljkoster 0:b1ec2d7dc8d1 118 }
michaeljkoster 0:b1ec2d7dc8d1 119
michaeljkoster 0:b1ec2d7dc8d1 120 static uint8_t rx_cb(sn_coap_hdr_s *coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
michaeljkoster 0:b1ec2d7dc8d1 121 {
michaeljkoster 0:b1ec2d7dc8d1 122 pc.printf("RX callback!\r\n");
michaeljkoster 0:b1ec2d7dc8d1 123 pc.printf("msg_code: %d \r\n", coap_packet_ptr->msg_code);
michaeljkoster 0:b1ec2d7dc8d1 124 pc.printf("Payload length: %d bytes\r\n", coap_packet_ptr->payload_len);
michaeljkoster 0:b1ec2d7dc8d1 125 int i;
michaeljkoster 0:b1ec2d7dc8d1 126 pc.printf("Payload:'");
michaeljkoster 0:b1ec2d7dc8d1 127 for (i=0; i < coap_packet_ptr->payload_len; i++)
michaeljkoster 0:b1ec2d7dc8d1 128 pc.printf("%c", *(coap_packet_ptr->payload_ptr + i));
michaeljkoster 0:b1ec2d7dc8d1 129 pc.printf("' \r\n");
michaeljkoster 0:b1ec2d7dc8d1 130 if (coap_packet_ptr->options_list_ptr && coap_packet_ptr->options_list_ptr->location_path_ptr)
michaeljkoster 0:b1ec2d7dc8d1 131 {
michaeljkoster 0:b1ec2d7dc8d1 132 pc.printf("Location: /");
michaeljkoster 0:b1ec2d7dc8d1 133 int i;
michaeljkoster 0:b1ec2d7dc8d1 134 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:b1ec2d7dc8d1 135 pc.printf(" \r\n");
michaeljkoster 0:b1ec2d7dc8d1 136 }
michaeljkoster 0:b1ec2d7dc8d1 137 //sn_coap_packet_debug(coap_packet_ptr);
michaeljkoster 0:b1ec2d7dc8d1 138 return 0;
michaeljkoster 0:b1ec2d7dc8d1 139 }
michaeljkoster 0:b1ec2d7dc8d1 140
michaeljkoster 0:b1ec2d7dc8d1 141 void nsdl_init()
michaeljkoster 0:b1ec2d7dc8d1 142 {
michaeljkoster 0:b1ec2d7dc8d1 143 uint8_t nsp_addr[4];
michaeljkoster 0:b1ec2d7dc8d1 144 sn_nsdl_mem_s memory_cbs;
michaeljkoster 0:b1ec2d7dc8d1 145
michaeljkoster 0:b1ec2d7dc8d1 146 /* Initialize libNsdl */
michaeljkoster 0:b1ec2d7dc8d1 147 memory_cbs.sn_nsdl_alloc = &nsdl_alloc;
michaeljkoster 0:b1ec2d7dc8d1 148 memory_cbs.sn_nsdl_free = &nsdl_free;
michaeljkoster 0:b1ec2d7dc8d1 149 if(sn_nsdl_init(&tx_cb, &rx_cb, &memory_cbs) == -1)
michaeljkoster 0:b1ec2d7dc8d1 150 pc.printf("libNsdl init failed\r\n");
michaeljkoster 0:b1ec2d7dc8d1 151 else
michaeljkoster 0:b1ec2d7dc8d1 152 pc.printf("libNsdl init done\r\n");
michaeljkoster 0:b1ec2d7dc8d1 153
michaeljkoster 0:b1ec2d7dc8d1 154 /* Set nsp address for library */
michaeljkoster 0:b1ec2d7dc8d1 155 set_NSP_address(nsp_addr, 5683, SN_NSDL_ADDRESS_TYPE_IPV4);
michaeljkoster 0:b1ec2d7dc8d1 156 }
michaeljkoster 0:b1ec2d7dc8d1 157
michaeljkoster 0:b1ec2d7dc8d1 158 void nsdl_reg_update()
michaeljkoster 0:b1ec2d7dc8d1 159 {
michaeljkoster 0:b1ec2d7dc8d1 160 sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
michaeljkoster 0:b1ec2d7dc8d1 161 endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)null_ep_name, null_ep_type, null_lifetime_ptr);
michaeljkoster 0:b1ec2d7dc8d1 162 if(sn_nsdl_update_registration(endpoint_ptr) != 0)
michaeljkoster 0:b1ec2d7dc8d1 163 pc.printf("NSP registration update failed\r\n");
michaeljkoster 0:b1ec2d7dc8d1 164 else
michaeljkoster 0:b1ec2d7dc8d1 165 pc.printf("NSP registration update OK\r\n");
michaeljkoster 0:b1ec2d7dc8d1 166 nsdl_clean_register_endpoint(&endpoint_ptr);
michaeljkoster 0:b1ec2d7dc8d1 167 }
michaeljkoster 0:b1ec2d7dc8d1 168
michaeljkoster 0:b1ec2d7dc8d1 169 void nsdl_reg_update_timeout()
michaeljkoster 0:b1ec2d7dc8d1 170 {
michaeljkoster 0:b1ec2d7dc8d1 171 nsdl_reg_update_needed = true;
michaeljkoster 0:b1ec2d7dc8d1 172 }
michaeljkoster 0:b1ec2d7dc8d1 173
michaeljkoster 0:b1ec2d7dc8d1 174 Ticker regUpdateTicker;
michaeljkoster 0:b1ec2d7dc8d1 175
michaeljkoster 0:b1ec2d7dc8d1 176 void nsdl_event_loop()
michaeljkoster 0:b1ec2d7dc8d1 177 {
michaeljkoster 0:b1ec2d7dc8d1 178 regUpdateTicker.attach(&nsdl_reg_update_timeout, RD_UPDATE_PERIOD);
michaeljkoster 0:b1ec2d7dc8d1 179
michaeljkoster 0:b1ec2d7dc8d1 180 sn_nsdl_addr_s received_packet_address;
michaeljkoster 0:b1ec2d7dc8d1 181 uint8_t received_address[4];
michaeljkoster 0:b1ec2d7dc8d1 182 char buffer[1024];
michaeljkoster 0:b1ec2d7dc8d1 183 Endpoint from;
michaeljkoster 0:b1ec2d7dc8d1 184
michaeljkoster 0:b1ec2d7dc8d1 185 memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
michaeljkoster 0:b1ec2d7dc8d1 186 received_packet_address.addr_ptr = received_address;
michaeljkoster 0:b1ec2d7dc8d1 187
michaeljkoster 0:b1ec2d7dc8d1 188 while(1)
michaeljkoster 0:b1ec2d7dc8d1 189 {
michaeljkoster 0:b1ec2d7dc8d1 190 int n = server.receiveFrom(from, buffer, sizeof(buffer));
michaeljkoster 0:b1ec2d7dc8d1 191 if (n < 0)
michaeljkoster 0:b1ec2d7dc8d1 192 {
michaeljkoster 0:b1ec2d7dc8d1 193 pc.printf("Socket error\n\r");
michaeljkoster 0:b1ec2d7dc8d1 194 }
michaeljkoster 0:b1ec2d7dc8d1 195 else if (n > 0)
michaeljkoster 0:b1ec2d7dc8d1 196 {
michaeljkoster 0:b1ec2d7dc8d1 197 pc.printf("Received %d bytes\r\n", n);
michaeljkoster 0:b1ec2d7dc8d1 198 sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address);
michaeljkoster 0:b1ec2d7dc8d1 199 }
michaeljkoster 0:b1ec2d7dc8d1 200 if (nsdl_reg_update_needed)
michaeljkoster 0:b1ec2d7dc8d1 201 {
michaeljkoster 0:b1ec2d7dc8d1 202 nsdl_reg_update_needed = false;
michaeljkoster 0:b1ec2d7dc8d1 203 nsdl_reg_update();
michaeljkoster 0:b1ec2d7dc8d1 204 }
michaeljkoster 0:b1ec2d7dc8d1 205 }
michaeljkoster 0:b1ec2d7dc8d1 206 }
michaeljkoster 0:b1ec2d7dc8d1 207
michaeljkoster 0:b1ec2d7dc8d1 208