Michael Koster / Mbed 2 deprecated SensorNotifyLED

Initial commit

Dependencies:   Chainable_RGB_LED EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib

nsdl_support.cpp@0:950566b0e099, 2014-10-30 (annotated)

Committer:
michaeljkoster
Date:
Thu Oct 30 21:44:12 2014 +0000
Revision:
0:950566b0e099
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:950566b0e099 1 // NSDL library support functions
michaeljkoster 0:950566b0e099 2
michaeljkoster 0:950566b0e099 3 #include "mbed.h"
michaeljkoster 0:950566b0e099 4 #include "nsdl_support.h"
michaeljkoster 0:950566b0e099 5 #include "mbed.h"
michaeljkoster 0:950566b0e099 6 #include "rtos.h"
michaeljkoster 0:950566b0e099 7 #include "EthernetInterface.h"
michaeljkoster 0:950566b0e099 8 #include "UDPSocket.h"
michaeljkoster 0:950566b0e099 9 #include "Endpoint.h"
michaeljkoster 0:950566b0e099 10
michaeljkoster 0:950566b0e099 11 /* __heapvalid((__heapprt)fprintf,stdout, 1);\*/
michaeljkoster 0:950566b0e099 12 #define MEM_VALID(x) \
michaeljkoster 0:950566b0e099 13 int s##x=0;\
michaeljkoster 0:950566b0e099 14 int *h##x = new int [1];\
michaeljkoster 0:950566b0e099 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 0:950566b0e099 16 if (h##x > &s##x)\
michaeljkoster 0:950566b0e099 17 printf("collision\n");\
michaeljkoster 0:950566b0e099 18 else\
michaeljkoster 0:950566b0e099 19 delete [] h##x;\
michaeljkoster 0:950566b0e099 20 __nop()
michaeljkoster 0:950566b0e099 21
michaeljkoster 0:950566b0e099 22 extern Serial pc;
michaeljkoster 0:950566b0e099 23 extern Endpoint nsp;
michaeljkoster 0:950566b0e099 24 extern UDPSocket server;
michaeljkoster 0:950566b0e099 25 extern char endpoint_name[24];
michaeljkoster 0:950566b0e099 26 extern uint8_t ep_type[];
michaeljkoster 0:950566b0e099 27 extern uint8_t lifetime_ptr[];
michaeljkoster 0:950566b0e099 28 char null_ep_name[] = "";
michaeljkoster 0:950566b0e099 29 uint8_t null_ep_type[] = "";
michaeljkoster 0:950566b0e099 30 uint8_t null_lifetime_ptr[] = "60";
michaeljkoster 0:950566b0e099 31 bool nsdl_reg_update_needed = false;
michaeljkoster 0:950566b0e099 32
michaeljkoster 0:950566b0e099 33 /* The number of seconds between NSP registration messages */
michaeljkoster 0:950566b0e099 34 #define RD_UPDATE_PERIOD 30
michaeljkoster 0:950566b0e099 35
michaeljkoster 0:950566b0e099 36 void *nsdl_alloc(uint16_t size)
michaeljkoster 0:950566b0e099 37 {
michaeljkoster 0:950566b0e099 38 void *buf = malloc(size);
michaeljkoster 0:950566b0e099 39 // printf("alloc\r\n");
michaeljkoster 0:950566b0e099 40 // MEM_VALID(0);
michaeljkoster 0:950566b0e099 41 return buf;
michaeljkoster 0:950566b0e099 42 }
michaeljkoster 0:950566b0e099 43
michaeljkoster 0:950566b0e099 44 void nsdl_free(void* ptr_to_free)
michaeljkoster 0:950566b0e099 45 {
michaeljkoster 0:950566b0e099 46 free(ptr_to_free);
michaeljkoster 0:950566b0e099 47 // printf("de-alloc\r\n");
michaeljkoster 0:950566b0e099 48 // MEM_VALID(0);
michaeljkoster 0:950566b0e099 49 }
michaeljkoster 0:950566b0e099 50
michaeljkoster 0:950566b0e099 51 /*
michaeljkoster 0:950566b0e099 52 * Create a static resoure
michaeljkoster 0:950566b0e099 53 * Only get is allowed
michaeljkoster 0:950566b0e099 54 */
michaeljkoster 0:950566b0e099 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 0:950566b0e099 56 {
michaeljkoster 0:950566b0e099 57 resource_structure->access = SN_GRS_GET_ALLOWED;
michaeljkoster 0:950566b0e099 58 resource_structure->mode = SN_GRS_STATIC;
michaeljkoster 0:950566b0e099 59 resource_structure->pathlen = pt_len;
michaeljkoster 0:950566b0e099 60 resource_structure->path = pt;
michaeljkoster 0:950566b0e099 61 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:950566b0e099 62 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:950566b0e099 63 resource_structure->resource = rsc;
michaeljkoster 0:950566b0e099 64 resource_structure->resourcelen = rsc_len;
michaeljkoster 0:950566b0e099 65 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:950566b0e099 66 }
michaeljkoster 0:950566b0e099 67
michaeljkoster 0:950566b0e099 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 0:950566b0e099 69 {
michaeljkoster 0:950566b0e099 70 resource_structure->access = (sn_grs_resource_acl_e)access_right;
michaeljkoster 0:950566b0e099 71 resource_structure->resource = 0;
michaeljkoster 0:950566b0e099 72 resource_structure->resourcelen = 0;
michaeljkoster 0:950566b0e099 73 resource_structure->sn_grs_dyn_res_callback = callback_ptr;
michaeljkoster 0:950566b0e099 74 resource_structure->mode = SN_GRS_DYNAMIC;
michaeljkoster 0:950566b0e099 75 resource_structure->pathlen = pt_len;
michaeljkoster 0:950566b0e099 76 resource_structure->path = pt;
michaeljkoster 0:950566b0e099 77 resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
michaeljkoster 0:950566b0e099 78 resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
michaeljkoster 0:950566b0e099 79 resource_structure->resource_parameters_ptr->observable = is_observable;
michaeljkoster 0:950566b0e099 80 sn_nsdl_create_resource(resource_structure);
michaeljkoster 0:950566b0e099 81 }
michaeljkoster 0:950566b0e099 82
michaeljkoster 0:950566b0e099 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 0:950566b0e099 84 {
michaeljkoster 0:950566b0e099 85 if (NULL == endpoint_structure)
michaeljkoster 0:950566b0e099 86 {
michaeljkoster 0:950566b0e099 87 endpoint_structure = (sn_nsdl_ep_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:950566b0e099 88 }
michaeljkoster 0:950566b0e099 89 if (endpoint_structure)
michaeljkoster 0:950566b0e099 90 {
michaeljkoster 0:950566b0e099 91 memset(endpoint_structure, 0, sizeof(sn_nsdl_ep_parameters_s));
michaeljkoster 0:950566b0e099 92 endpoint_structure->endpoint_name_ptr = name;
michaeljkoster 0:950566b0e099 93 endpoint_structure->endpoint_name_len = strlen((char*)name);
michaeljkoster 0:950566b0e099 94 endpoint_structure->type_ptr = typename_ptr;
michaeljkoster 0:950566b0e099 95 endpoint_structure->type_len = strlen((char*)typename_ptr);
michaeljkoster 0:950566b0e099 96 endpoint_structure->lifetime_ptr = lifetime_ptr;
michaeljkoster 0:950566b0e099 97 endpoint_structure->lifetime_len = strlen((char*)lifetime_ptr);
michaeljkoster 0:950566b0e099 98 }
michaeljkoster 0:950566b0e099 99 return endpoint_structure;
michaeljkoster 0:950566b0e099 100 }
michaeljkoster 0:950566b0e099 101
michaeljkoster 0:950566b0e099 102 void nsdl_clean_register_endpoint(sn_nsdl_ep_parameters_s **endpoint_structure)
michaeljkoster 0:950566b0e099 103 {
michaeljkoster 0:950566b0e099 104 if (*endpoint_structure)
michaeljkoster 0:950566b0e099 105 {
michaeljkoster 0:950566b0e099 106 nsdl_free(*endpoint_structure);
michaeljkoster 0:950566b0e099 107 *endpoint_structure = NULL;
michaeljkoster 0:950566b0e099 108 }
michaeljkoster 0:950566b0e099 109 }
michaeljkoster 0:950566b0e099 110
michaeljkoster 0:950566b0e099 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 0:950566b0e099 112 {
michaeljkoster 0:950566b0e099 113 pc.printf("TX callback!\n\rSending %d bytes\r\n", data_len);
michaeljkoster 0:950566b0e099 114
michaeljkoster 0:950566b0e099 115 if(server.sendTo(nsp, (char*)data_ptr, data_len) != data_len)
michaeljkoster 0:950566b0e099 116 pc.printf("sending failed\n\r");
michaeljkoster 0:950566b0e099 117
michaeljkoster 0:950566b0e099 118 return 1;
michaeljkoster 0:950566b0e099 119 }
michaeljkoster 0:950566b0e099 120
michaeljkoster 0:950566b0e099 121 static uint8_t rx_cb(sn_coap_hdr_s *coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
michaeljkoster 0:950566b0e099 122 {
michaeljkoster 0:950566b0e099 123 pc.printf("RX callback!\r\n");
michaeljkoster 0:950566b0e099 124 pc.printf("msg_code: %d \r\n", coap_packet_ptr->msg_code);
michaeljkoster 0:950566b0e099 125 pc.printf("Payload length: %d bytes\r\n", coap_packet_ptr->payload_len);
michaeljkoster 0:950566b0e099 126 int i;
michaeljkoster 0:950566b0e099 127 pc.printf("Payload:'");
michaeljkoster 0:950566b0e099 128 for (i=0; i < coap_packet_ptr->payload_len; i++)
michaeljkoster 0:950566b0e099 129 pc.printf("%c", *(coap_packet_ptr->payload_ptr + i));
michaeljkoster 0:950566b0e099 130 pc.printf("' \r\n");
michaeljkoster 0:950566b0e099 131 if (coap_packet_ptr->options_list_ptr && coap_packet_ptr->options_list_ptr->location_path_ptr)
michaeljkoster 0:950566b0e099 132 {
michaeljkoster 0:950566b0e099 133 pc.printf("Location: /");
michaeljkoster 0:950566b0e099 134 int i;
michaeljkoster 0:950566b0e099 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 0:950566b0e099 136 pc.printf(" \r\n");
michaeljkoster 0:950566b0e099 137 }
michaeljkoster 0:950566b0e099 138 //sn_coap_packet_debug(coap_packet_ptr);
michaeljkoster 0:950566b0e099 139 return 0;
michaeljkoster 0:950566b0e099 140 }
michaeljkoster 0:950566b0e099 141
michaeljkoster 0:950566b0e099 142 static void registration_update_thread(void const *args)
michaeljkoster 0:950566b0e099 143 {
michaeljkoster 0:950566b0e099 144 sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
michaeljkoster 0:950566b0e099 145
michaeljkoster 0:950566b0e099 146 while(true)
michaeljkoster 0:950566b0e099 147 {
michaeljkoster 0:950566b0e099 148 wait(RD_UPDATE_PERIOD);
michaeljkoster 0:950566b0e099 149 endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)null_ep_name, null_ep_type, null_lifetime_ptr);
michaeljkoster 0:950566b0e099 150 if(sn_nsdl_update_registration(endpoint_ptr) != 0)
michaeljkoster 0:950566b0e099 151 pc.printf("NSP re-registering failed\r\n");
michaeljkoster 0:950566b0e099 152 else
michaeljkoster 0:950566b0e099 153 pc.printf("NSP re-registering OK\r\n");
michaeljkoster 0:950566b0e099 154 nsdl_clean_register_endpoint(&endpoint_ptr);
michaeljkoster 0:950566b0e099 155 }
michaeljkoster 0:950566b0e099 156 }
michaeljkoster 0:950566b0e099 157
michaeljkoster 0:950566b0e099 158 void nsdl_init()
michaeljkoster 0:950566b0e099 159 {
michaeljkoster 0:950566b0e099 160 uint8_t nsp_addr[4];
michaeljkoster 0:950566b0e099 161 sn_nsdl_mem_s memory_cbs;
michaeljkoster 0:950566b0e099 162
michaeljkoster 0:950566b0e099 163 /* Initialize libNsdl */
michaeljkoster 0:950566b0e099 164 memory_cbs.sn_nsdl_alloc = &nsdl_alloc;
michaeljkoster 0:950566b0e099 165 memory_cbs.sn_nsdl_free = &nsdl_free;
michaeljkoster 0:950566b0e099 166 if(sn_nsdl_init(&tx_cb, &rx_cb, &memory_cbs) == -1)
michaeljkoster 0:950566b0e099 167 pc.printf("libNsdl init failed\r\n");
michaeljkoster 0:950566b0e099 168 else
michaeljkoster 0:950566b0e099 169 pc.printf("libNsdl init done\r\n");
michaeljkoster 0:950566b0e099 170
michaeljkoster 0:950566b0e099 171 /* Set nsp address for library */
michaeljkoster 0:950566b0e099 172 set_NSP_address(nsp_addr, 5683, SN_NSDL_ADDRESS_TYPE_IPV4);
michaeljkoster 0:950566b0e099 173 }
michaeljkoster 0:950566b0e099 174
michaeljkoster 0:950566b0e099 175 void nsdl_event_loop()
michaeljkoster 0:950566b0e099 176 {
michaeljkoster 0:950566b0e099 177 Thread registration_thread(registration_update_thread);
michaeljkoster 0:950566b0e099 178
michaeljkoster 0:950566b0e099 179 sn_nsdl_addr_s received_packet_address;
michaeljkoster 0:950566b0e099 180 uint8_t received_address[4];
michaeljkoster 0:950566b0e099 181 char buffer[1024];
michaeljkoster 0:950566b0e099 182 Endpoint from;
michaeljkoster 0:950566b0e099 183
michaeljkoster 0:950566b0e099 184 memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
michaeljkoster 0:950566b0e099 185 received_packet_address.addr_ptr = received_address;
michaeljkoster 0:950566b0e099 186
michaeljkoster 0:950566b0e099 187 while(1)
michaeljkoster 0:950566b0e099 188 {
michaeljkoster 0:950566b0e099 189 int n = server.receiveFrom(from, buffer, sizeof(buffer));
michaeljkoster 0:950566b0e099 190 if (n < 0)
michaeljkoster 0:950566b0e099 191 {
michaeljkoster 0:950566b0e099 192 pc.printf("Socket error\n\r");
michaeljkoster 0:950566b0e099 193 }
michaeljkoster 0:950566b0e099 194 else if (n > 0)
michaeljkoster 0:950566b0e099 195 {
michaeljkoster 0:950566b0e099 196 pc.printf("Received %d bytes\r\n", n);
michaeljkoster 0:950566b0e099 197 sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address);
michaeljkoster 0:950566b0e099 198 }
michaeljkoster 0:950566b0e099 199 }
michaeljkoster 0:950566b0e099 200 }
michaeljkoster 0:950566b0e099 201
michaeljkoster 0:950566b0e099 202