Add wallclock time handling
New application and new example. We use the built-in timer routines and add an offset to get the wallclock time. The offset can be set by time-changing routines (currently only settimeofday). We also maintain an offset for timezone handling but this isn't currently fully implemented.
This commit is contained in:
Ralf Schlatterbeck
parent
be01bf77a9
commit
f48566d51f
1
apps/time/Makefile.time
Normal file
1
apps/time/Makefile.time
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@ -0,0 +1 @@
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time_src = time.c resource_gmtime.c resource_timestamp.c
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126
apps/time/resource_gmtime.c
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126
apps/time/resource_gmtime.c
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@ -0,0 +1,126 @@
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/**
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* \file
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* Resource for gmtime (utc) / localtime handling
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* \author
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* Ralf Schlatterbeck <rsc@runtux.com>
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*
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* \brief get time as a string in utc or localtime
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "contiki.h"
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#include "time.h"
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#include "time_resource.h"
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#include "jsonparse.h"
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/* Only coap 13 for now */
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#include "er-coap-13.h"
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RESOURCE \
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( localtime
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, METHOD_GET
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, "clock/localtime"
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, "title=\"Time\";rt=\"localtime\""
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);
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RESOURCE \
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( gmtime
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, METHOD_GET
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, "clock/utc"
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, "title=\"Time\";rt=\"utc\""
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);
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void
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time_handler
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( void* request
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, void* response
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, uint8_t *buffer
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, uint16_t preferred_size
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, int32_t *offset
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, struct tm *(*method)(const time_t *,struct tm *)
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)
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{
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int success = 1;
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char temp[100];
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int index = 0;
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int length = 0; /* |<-------->| */
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struct timeval tv;
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struct tm tm;
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int i = 0;
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int n_acc = 0;
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const uint16_t *accept = NULL;
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uint16_t a_ctype = REST.type.APPLICATION_JSON; /* for now json is default */
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/* Looks like accepted content-type isn't currently supported */
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n_acc = REST.get_header_accept (request, &accept);
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for (i=0; i<n_acc; i++) {
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if ( accept [i] == REST.type.TEXT_PLAIN
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|| accept [i] == REST.type.APPLICATION_JSON
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)
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{
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a_ctype = accept [i];
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break;
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}
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}
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switch(REST.get_method_type(request)){
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case METHOD_GET:
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gettimeofday (&tv, NULL);
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method (&tv.tv_sec, &tm);
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if (a_ctype == REST.type.TEXT_PLAIN) {
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index += sprintf
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( temp + index
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, "%lu-%02u-%02u %02u:%02u:%02u\n"
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, 1900 + tm.tm_year
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, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec
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);
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} else { // jSON Format
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index += sprintf
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( temp + index
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,"{\n \"localtime\" : \"%lu-%02u-%02u %02u:%02u:%02u\"\n"
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, 1900 + tm.tm_year
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, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec
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);
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index += sprintf(temp + index,"}\n");
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}
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length = strlen(temp);
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memcpy (buffer, temp, length);
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REST.set_header_content_type (response, REST.type.APPLICATION_JSON);
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REST.set_response_payload (response, buffer, length);
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break;
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default:
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success = 0;
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}
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if (!success) {
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REST.set_response_status(response, REST.status.BAD_REQUEST);
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}
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}
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void
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localtime_handler
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( void* request
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, void* response
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, uint8_t *buffer
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, uint16_t preferred_size
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, int32_t *offset
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)
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{
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return time_handler
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(request, response, buffer, preferred_size, offset, &localtime_r);
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}
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void
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gmtime_handler
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( void* request
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, void* response
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, uint8_t *buffer
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, uint16_t preferred_size
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, int32_t *offset
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)
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{
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return time_handler
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(request, response, buffer, preferred_size, offset, &gmtime_r);
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}
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158
apps/time/resource_timestamp.c
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158
apps/time/resource_timestamp.c
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/**
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* \file
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* Resource for timestamp handling
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* \author
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* Ralf Schlatterbeck <rsc@runtux.com>
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*
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* \brief get/put time in seconds since 1970 (UNIX time)
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* Note: the internal format of the time in seconds is a 64bit number
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* unfortunately javascript (json) will only support double for which
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* the mantissa isn't long enough for representing that number. So we're
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* back to 32 bit and have a year 2038 problem.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "contiki.h"
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#include "time.h"
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#include "time_resource.h"
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#include "jsonparse.h"
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/* Only coap 13 for now */
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#include "er-coap-13.h"
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/* Error-handling macro */
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# define BYE(_exp, _tag) \
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do { \
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PRINTF("Expect "_exp": %d\n",_tag); \
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success=0; \
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goto bye; \
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} while(0)
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#define DEBUG 1
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#if DEBUG
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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RESOURCE \
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( timestamp, METHOD_GET | METHOD_PUT
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, "clock/timestamp"
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, "title=\"Time\";rt=\"timestamp\""
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);
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void
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timestamp_handler
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( void* request
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, void* response
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, uint8_t *buffer
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, uint16_t preferred_size
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, int32_t *offset
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)
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{
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int success = 1;
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int i;
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char temp[100];
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int index = 0;
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int length = 0;
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int tag = 0;
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const uint8_t *bytes = NULL;
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size_t len = 0;
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struct timeval tv;
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int n_acc = 0;
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const uint16_t *accept = NULL;
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uint16_t a_ctype = REST.type.APPLICATION_JSON;
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uint16_t c_ctype = REST.get_header_content_type (request);
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/* Seems like accepted type is currently unsupported? */
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n_acc = REST.get_header_accept (request, &accept);
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for (i=0; i<n_acc; i++) {
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if ( accept [i] == REST.type.TEXT_PLAIN
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)
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{
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a_ctype = accept [i];
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break;
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}
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}
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switch(REST.get_method_type(request)) {
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case METHOD_GET:
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gettimeofday (&tv, NULL);
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// TEXT format
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if (a_ctype == REST.type.TEXT_PLAIN) {
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index += sprintf (temp + index, "%ld\n", (long)tv.tv_sec);
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} else { // jSON Format
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// FIXME: Platform doesn't seem to support long long printing
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// We get empty string
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index += sprintf
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( temp + index
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,"{\n \"timestamp\" : \"%ld\"\n}\n"
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, (long)tv.tv_sec
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);
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}
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length = strlen(temp);
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memcpy (buffer, temp, length);
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REST.set_header_content_type (response, a_ctype);
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REST.set_response_payload (response, buffer, length);
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break;
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case METHOD_PUT:
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if ((len = coap_get_payload(request, &bytes))) {
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if (c_ctype == REST.type.TEXT_PLAIN) {
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temp [sizeof (temp) - 1] = 0;
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strncpy (temp, (char *)bytes, MIN (len, sizeof (temp) - 1));
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} else { // jSON Format
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struct jsonparse_state state;
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struct jsonparse_state *parser = &state;
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PRINTF ("PUT: len: %d, %s\n", len, (char *)bytes);
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jsonparse_setup (parser, (char *)bytes, len);
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if ((tag = jsonparse_next (parser)) != JSON_TYPE_OBJECT) {
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BYE ("OBJECT", tag);
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}
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if ((tag = jsonparse_next (parser)) != JSON_TYPE_PAIR_NAME) {
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BYE ("PAIR_NAME", tag);
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}
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while (jsonparse_strcmp_value (parser, "timestamp") != 0) {
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tag = jsonparse_next (parser);
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if (tag != JSON_TYPE_PAIR) {
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BYE ("PAIR", tag);
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}
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tag = jsonparse_next (parser);
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tag = jsonparse_next (parser);
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if (tag != ',') {
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BYE (",", tag);
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}
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tag = jsonparse_next (parser);
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if (tag != JSON_TYPE_PAIR_NAME) {
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BYE ("PAIR_NAME", tag);
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}
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}
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tag = jsonparse_next (parser);
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if (tag != JSON_TYPE_PAIR) {
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BYE ("PAIR", tag);
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}
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tag = jsonparse_next (parser);
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if (tag != JSON_TYPE_STRING) {
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BYE ("STRING", tag);
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}
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jsonparse_copy_value (parser, temp, sizeof (temp));
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}
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// FIXME: Platform has no strtoll (long long)?
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tv.tv_sec = strtol (temp, NULL, 10);
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settimeofday (&tv, NULL);
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REST.set_response_status(response, REST.status.CHANGED);
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} else {
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success = 0;
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}
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bye :
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break;
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default:
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success = 0;
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}
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if (!success) {
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REST.set_response_status(response, REST.status.BAD_REQUEST);
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}
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}
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165
apps/time/time.c
Normal file
165
apps/time/time.c
Normal file
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/**
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* \addgroup Time related functions
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*
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* @{
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*/
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#include <errno.h>
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#include "contiki.h"
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#include "contiki-lib.h"
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#include "time.h"
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/* Used for gmtime and localtime, according to manpage on linux the
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* internal value may be overwritten "by subsequent calls to any of the
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* date and time functions".
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*/
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static struct tm tm;
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/*
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* Internal variables to manage offset of utc from the contiki clock
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* and timezone offset from utc in minutes.
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* For now we don't manage the sub-second offset -- time of setting the
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* clock and the precisiont of the clock in use don't warrant this
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* effort.
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* The last_seconds is used to check if we had a seconds overflow,
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* although this happens only every 136 years :-)
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*/
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time_t clock_offset;
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uint32_t last_seconds;
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int16_t minuteswest;
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# define LEAP_YEAR(_year) \
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((_year % 4) == 0 && (_year % 100 != 0 || _year % 400 == 0))
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# define YDAYS(_year) (LEAP_YEAR(year) ? 366 : 365)
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struct tm *
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gmtime_r (const time_t *timep, struct tm *ptm)
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{
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unsigned int year;
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int days, month, month_len;
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time_t t = *timep;
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ptm->tm_sec = t % 60;
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t /= 60;
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ptm->tm_min = t % 60;
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t /= 60;
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ptm->tm_hour = t % 24;
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t /= 24;
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ptm->tm_wday = (t+4) % 7;
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year = 70;
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days = 0;
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while ((days += YDAYS (year)) <= t)
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{
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year++;
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}
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ptm->tm_year = year;
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days -= YDAYS(year);
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t -= days;
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ptm->tm_yday = t;
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for (month=0; month<12; month++)
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{
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if (month == 1)
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{
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month_len = LEAP_YEAR(year) ? 29 : 28;
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}
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else
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{
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int m = month;
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if (m >= 7)
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{
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m -= 1;
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}
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m &= 1;
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month_len = m ? 30 : 31;
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}
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if (t >= month_len)
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{
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t -= month_len;
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}
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else
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{
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break;
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}
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}
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ptm->tm_mon = month;
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ptm->tm_mday = t + 1;
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ptm->tm_isdst = 0;
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return ptm;
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}
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struct tm *
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gmtime (const time_t *timep)
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{
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return gmtime_r (timep, &tm);
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}
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struct tm *
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localtime_r (const time_t *timep, struct tm *ptm)
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{
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time_t t = *timep;
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t += minuteswest * 60;
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return gmtime_r (&t, ptm);
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}
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struct tm *
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localtime (const time_t *timep)
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{
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return localtime_r (timep, &tm);
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}
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/**
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* \brief Get time in seconds and microseconds
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* gettimeofday will return the clock time as the microseconds part
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* while settimeofday will *ignore* the microseconds part (for now).
|
||||||
|
* Note that the contiki clock interface is broken anyway, we can't read
|
||||||
|
* seconds and sub-seconds atomically. We try to work around this by
|
||||||
|
* repeatedly reading seconds, sub-seconds, seconds until first and
|
||||||
|
* second read of seconds match.
|
||||||
|
*/
|
||||||
|
int
|
||||||
|
gettimeofday (struct timeval *tv, struct timezone *tz)
|
||||||
|
{
|
||||||
|
uint32_t cs;
|
||||||
|
if (tz) {
|
||||||
|
tz->tz_minuteswest = minuteswest;
|
||||||
|
tz->tz_dsttime = 0;
|
||||||
|
}
|
||||||
|
if (tv) {
|
||||||
|
int i;
|
||||||
|
/* Limit tries to get the same second twice to two */
|
||||||
|
for (i=0; i<2; i++) {
|
||||||
|
cs = clock_seconds ();
|
||||||
|
if (cs < last_seconds) {
|
||||||
|
clock_offset += 0xFFFFFFFFL;
|
||||||
|
clock_offset ++;
|
||||||
|
}
|
||||||
|
last_seconds = cs;
|
||||||
|
tv->tv_sec = cs + clock_offset;
|
||||||
|
tv->tv_usec = ((time_t)(clock_time () % CLOCK_SECOND))
|
||||||
|
* 1000000L / CLOCK_SECOND;
|
||||||
|
if (cs == clock_seconds ()) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \brief Set time in seconds, microseconds ignored for now
|
||||||
|
*/
|
||||||
|
int
|
||||||
|
settimeofday (const struct timeval *tv, const struct timezone *tz)
|
||||||
|
{
|
||||||
|
/* Don't allow setting timezone */
|
||||||
|
if (tz) {
|
||||||
|
errno = ERANGE;
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
if (tv) {
|
||||||
|
uint32_t cs;
|
||||||
|
cs = clock_seconds ();
|
||||||
|
clock_offset = tv->tv_sec - cs;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/** @} */
|
||||||
65
apps/time/time.h
Normal file
65
apps/time/time.h
Normal file
|
|
@ -0,0 +1,65 @@
|
||||||
|
/**
|
||||||
|
* \defgroup Time related functions
|
||||||
|
*
|
||||||
|
* This rolls the necessary definition for getting/setting time and
|
||||||
|
* managing local time into one include file, on posix systems this
|
||||||
|
* lives in at least two include files, time.h and sys/time.h
|
||||||
|
*
|
||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* Definitions for the time module
|
||||||
|
*
|
||||||
|
* \author
|
||||||
|
* Ralf Schlatterbeck <rsc@tux.runtux.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef time_h
|
||||||
|
#define time_h
|
||||||
|
|
||||||
|
|
||||||
|
typedef signed long long time_t;
|
||||||
|
typedef signed long suseconds_t;
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
struct tm {
|
||||||
|
uint32_t tm_year; /* year */
|
||||||
|
uint16_t tm_yday; /* day in the year */
|
||||||
|
uint8_t tm_sec; /* seconds */
|
||||||
|
uint8_t tm_min; /* minutes */
|
||||||
|
uint8_t tm_hour; /* hours */
|
||||||
|
uint8_t tm_mday; /* day of the month */
|
||||||
|
uint8_t tm_mon; /* month */
|
||||||
|
uint8_t tm_wday; /* day of the week */
|
||||||
|
uint8_t tm_isdst; /* daylight saving time */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct timeval {
|
||||||
|
time_t tv_sec; /* seconds */
|
||||||
|
suseconds_t tv_usec; /* microseconds */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct timezone {
|
||||||
|
int16_t tz_minuteswest; /* minutes west of Greenwich */
|
||||||
|
int tz_dsttime; /* type of DST correction, unused */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct tm *gmtime (const time_t *timep);
|
||||||
|
struct tm *gmtime_r (const time_t *timep, struct tm *result);
|
||||||
|
struct tm *localtime (const time_t *timep);
|
||||||
|
struct tm *localtime_r (const time_t *timep, struct tm *result);
|
||||||
|
|
||||||
|
int gettimeofday (struct timeval *tv, struct timezone *tz);
|
||||||
|
int settimeofday (const struct timeval *tv, const struct timezone *tz);
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif // time_h
|
||||||
|
/** @} */
|
||||||
27
apps/time/time_resource.h
Normal file
27
apps/time/time_resource.h
Normal file
|
|
@ -0,0 +1,27 @@
|
||||||
|
/**
|
||||||
|
* \addgroup Time related functions
|
||||||
|
*
|
||||||
|
* Resource definitions for time module
|
||||||
|
*
|
||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* Resource definitions for the time module
|
||||||
|
*
|
||||||
|
* \author
|
||||||
|
* Ralf Schlatterbeck <rsc@tux.runtux.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef time_resource_h
|
||||||
|
#define time_resource_h
|
||||||
|
#include "contiki.h"
|
||||||
|
#include "erbium.h"
|
||||||
|
|
||||||
|
extern resource_t resource_timestamp;
|
||||||
|
extern resource_t resource_localtime;
|
||||||
|
extern resource_t resource_gmtime;
|
||||||
|
|
||||||
|
#endif // time_resource_h
|
||||||
|
/** @} */
|
||||||
99
examples/osd/wallclock-time/Makefile
Normal file
99
examples/osd/wallclock-time/Makefile
Normal file
|
|
@ -0,0 +1,99 @@
|
||||||
|
all: er-example-server \
|
||||||
|
er-example-server.osd-merkur.hex er-example-server.osd-merkur.eep
|
||||||
|
# use this target explicitly if requried: er-plugtest-server
|
||||||
|
|
||||||
|
# variable for this Makefile
|
||||||
|
# configure CoAP implementation (3|7|12|13) (er-coap-07 also supports CoAP draft 08)
|
||||||
|
WITH_COAP=13
|
||||||
|
|
||||||
|
# for some platforms
|
||||||
|
UIP_CONF_IPV6=1
|
||||||
|
# IPv6 make config disappeared completely
|
||||||
|
CFLAGS += -DUIP_CONF_IPV6=1
|
||||||
|
|
||||||
|
CONTIKI=../../..
|
||||||
|
CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
|
||||||
|
|
||||||
|
PROJECT_SOURCEFILES +=
|
||||||
|
|
||||||
|
# variable for Makefile.include
|
||||||
|
ifneq ($(TARGET), minimal-net)
|
||||||
|
CFLAGS += -DUIP_CONF_IPV6_RPL=1
|
||||||
|
else
|
||||||
|
# minimal-net does not support RPL under Linux and is mostly used to test CoAP only
|
||||||
|
${info INFO: compiling without RPL}
|
||||||
|
CFLAGS += -DUIP_CONF_IPV6_RPL=0
|
||||||
|
CFLAGS += -DHARD_CODED_ADDRESS=\"fdfd::10\"
|
||||||
|
${info INFO: compiling with large buffers}
|
||||||
|
CFLAGS += -DUIP_CONF_BUFFER_SIZE=2048
|
||||||
|
CFLAGS += -DREST_MAX_CHUNK_SIZE=1024
|
||||||
|
CFLAGS += -DCOAP_MAX_HEADER_SIZE=640
|
||||||
|
endif
|
||||||
|
|
||||||
|
# linker optimizations
|
||||||
|
SMALL=1
|
||||||
|
|
||||||
|
# REST framework, requires WITH_COAP
|
||||||
|
ifeq ($(WITH_COAP), 13)
|
||||||
|
${info INFO: compiling with CoAP-13}
|
||||||
|
CFLAGS += -DWITH_COAP=13
|
||||||
|
CFLAGS += -DREST=coap_rest_implementation
|
||||||
|
CFLAGS += -DUIP_CONF_TCP=0
|
||||||
|
APPS += er-coap-13
|
||||||
|
else ifeq ($(WITH_COAP), 12)
|
||||||
|
${info INFO: compiling with CoAP-12}
|
||||||
|
CFLAGS += -DWITH_COAP=12
|
||||||
|
CFLAGS += -DREST=coap_rest_implementation
|
||||||
|
CFLAGS += -DUIP_CONF_TCP=0
|
||||||
|
APPS += er-coap-12
|
||||||
|
else ifeq ($(WITH_COAP), 7)
|
||||||
|
${info INFO: compiling with CoAP-08}
|
||||||
|
CFLAGS += -DWITH_COAP=7
|
||||||
|
CFLAGS += -DREST=coap_rest_implementation
|
||||||
|
CFLAGS += -DUIP_CONF_TCP=0
|
||||||
|
APPS += er-coap-07
|
||||||
|
else ifeq ($(WITH_COAP), 3)
|
||||||
|
${info INFO: compiling with CoAP-03}
|
||||||
|
CFLAGS += -DWITH_COAP=3
|
||||||
|
CFLAGS += -DREST=coap_rest_implementation
|
||||||
|
CFLAGS += -DUIP_CONF_TCP=0
|
||||||
|
APPS += er-coap-03
|
||||||
|
else
|
||||||
|
${info INFO: compiling with HTTP}
|
||||||
|
CFLAGS += -DWITH_HTTP
|
||||||
|
CFLAGS += -DREST=http_rest_implementation
|
||||||
|
CFLAGS += -DUIP_CONF_TCP=1
|
||||||
|
APPS += er-http-engine
|
||||||
|
endif
|
||||||
|
|
||||||
|
APPS += erbium time json
|
||||||
|
|
||||||
|
include $(CONTIKI)/Makefile.include
|
||||||
|
|
||||||
|
er-example-server.osd-merkur.hex: er-example-server.osd-merkur
|
||||||
|
avr-objcopy -j .text -j .data -O ihex er-example-server.osd-merkur \
|
||||||
|
er-example-server.osd-merkur.hex
|
||||||
|
|
||||||
|
er-example-server.osd-merkur.eep: er-example-server.osd-merkur
|
||||||
|
avr-objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" \
|
||||||
|
--change-section-lma .eeprom=0 -O ihex \
|
||||||
|
er-example-server.osd-merkur er-example-server.osd-merkur.eep
|
||||||
|
|
||||||
|
flash: er-example-server.osd-merkur.hex er-example-server.osd-merkur.eep
|
||||||
|
avrdude -pm128rfa1 -c arduino -P/dev/ttyUSB0 -b57600 -e -U \
|
||||||
|
flash:w:er-example-server.osd-merkur.hex:a -U \
|
||||||
|
eeprom:w:er-example-server.osd-merkur.eep:a
|
||||||
|
|
||||||
|
.PHONY: flash
|
||||||
|
|
||||||
|
$(CONTIKI)/tools/tunslip6: $(CONTIKI)/tools/tunslip6.c
|
||||||
|
(cd $(CONTIKI)/tools && $(MAKE) tunslip6)
|
||||||
|
|
||||||
|
connect-router: $(CONTIKI)/tools/tunslip6
|
||||||
|
sudo $(CONTIKI)/tools/tunslip6 aaaa::1/64
|
||||||
|
|
||||||
|
connect-router-cooja: $(CONTIKI)/tools/tunslip6
|
||||||
|
sudo $(CONTIKI)/tools/tunslip6 -a 127.0.0.1 aaaa::1/64
|
||||||
|
|
||||||
|
connect-minimal:
|
||||||
|
sudo ip address add fdfd::1/64 dev tap0
|
||||||
297
examples/osd/wallclock-time/er-example-server.c
Normal file
297
examples/osd/wallclock-time/er-example-server.c
Normal file
|
|
@ -0,0 +1,297 @@
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2011, Matthias Kovatsch and other contributors.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. Neither the name of the Institute nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* This file is part of the Contiki operating system.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* Erbium (Er) Wallclock REST Engine example (with CoAP-specific code)
|
||||||
|
* \author
|
||||||
|
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
|
||||||
|
* Ralf Schlatterbeck <rsc@runtux.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include "contiki.h"
|
||||||
|
#include "contiki-net.h"
|
||||||
|
#include "time.h"
|
||||||
|
#include "time_resource.h"
|
||||||
|
#include "jsonparse.h"
|
||||||
|
|
||||||
|
/* Define which resources to include to meet memory constraints. */
|
||||||
|
#define REST_RES_INFO 1
|
||||||
|
#define REST_RES_LEDS 1
|
||||||
|
#define REST_RES_TOGGLE 0
|
||||||
|
#define REST_RES_BATTERY 1
|
||||||
|
|
||||||
|
#include "erbium.h"
|
||||||
|
|
||||||
|
#if defined (PLATFORM_HAS_BUTTON)
|
||||||
|
#include "dev/button-sensor.h"
|
||||||
|
#endif
|
||||||
|
#if defined (PLATFORM_HAS_LEDS)
|
||||||
|
#include "dev/leds.h"
|
||||||
|
#endif
|
||||||
|
#if defined (PLATFORM_HAS_BATTERY)
|
||||||
|
#include "dev/battery-sensor.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/* For CoAP-specific example: not required for normal RESTful Web service. */
|
||||||
|
#if WITH_COAP == 3
|
||||||
|
#include "er-coap-03.h"
|
||||||
|
#elif WITH_COAP == 7
|
||||||
|
#include "er-coap-07.h"
|
||||||
|
#elif WITH_COAP == 12
|
||||||
|
#include "er-coap-12.h"
|
||||||
|
#elif WITH_COAP == 13
|
||||||
|
#include "er-coap-13.h"
|
||||||
|
#else
|
||||||
|
#warning "Erbium example without CoAP-specifc functionality"
|
||||||
|
#endif /* CoAP-specific example */
|
||||||
|
|
||||||
|
#define DEBUG 1
|
||||||
|
#if DEBUG
|
||||||
|
#define PRINTF(...) printf(__VA_ARGS__)
|
||||||
|
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
|
||||||
|
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
|
||||||
|
#else
|
||||||
|
#define PRINTF(...)
|
||||||
|
#define PRINT6ADDR(addr)
|
||||||
|
#define PRINTLLADDR(addr)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
#if REST_RES_INFO
|
||||||
|
/*
|
||||||
|
* Resources are defined by the RESOURCE macro.
|
||||||
|
* Signature: resource name, the RESTful methods it handles, and its URI path (omitting the leading slash).
|
||||||
|
*/
|
||||||
|
RESOURCE(info, METHOD_GET, "info", "title=\"Info\";rt=\"text\"");
|
||||||
|
|
||||||
|
/*
|
||||||
|
* A handler function named [resource name]_handler must be implemented for each RESOURCE.
|
||||||
|
* A buffer for the response payload is provided through the buffer pointer. Simple resources can ignore
|
||||||
|
* preferred_size and offset, but must respect the REST_MAX_CHUNK_SIZE limit for the buffer.
|
||||||
|
* If a smaller block size is requested for CoAP, the REST framework automatically splits the data.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
info_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||||
|
{
|
||||||
|
char message[100];
|
||||||
|
int index = 0;
|
||||||
|
int length = 0; /* |<-------->| */
|
||||||
|
|
||||||
|
/* Some data that has the length up to REST_MAX_CHUNK_SIZE. For more, see the chunk resource. */
|
||||||
|
// jSON Format
|
||||||
|
index += sprintf(message + index,"{\n \"Version\" : \"V1.0pre1\",\n");
|
||||||
|
index += sprintf(message + index," \"name\" : \"Wallclock-time\"\n");
|
||||||
|
index += sprintf(message + index,"}\n");
|
||||||
|
|
||||||
|
length = strlen(message);
|
||||||
|
memcpy(buffer, message,length );
|
||||||
|
|
||||||
|
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
|
||||||
|
REST.set_response_payload(response, buffer, length);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
#if defined (PLATFORM_HAS_LEDS)
|
||||||
|
/******************************************************************************/
|
||||||
|
#if REST_RES_LEDS
|
||||||
|
/*A simple actuator example, depending on the color query parameter and post variable mode, corresponding led is activated or deactivated*/
|
||||||
|
RESOURCE(leds, METHOD_POST | METHOD_PUT , "actuators/leds", "title=\"LEDs: ?color=r|g|b, POST/PUT mode=on|off\";rt=\"Control\"");
|
||||||
|
|
||||||
|
void
|
||||||
|
leds_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||||
|
{
|
||||||
|
size_t len = 0;
|
||||||
|
const char *color = NULL;
|
||||||
|
const char *mode = NULL;
|
||||||
|
uint8_t led = 0;
|
||||||
|
int success = 1;
|
||||||
|
|
||||||
|
if ((len=REST.get_query_variable(request, "color", &color))) {
|
||||||
|
PRINTF("color %.*s\n", len, color);
|
||||||
|
|
||||||
|
if (strncmp(color, "r", len)==0) {
|
||||||
|
led = LEDS_RED;
|
||||||
|
} else if(strncmp(color,"g", len)==0) {
|
||||||
|
led = LEDS_GREEN;
|
||||||
|
} else if (strncmp(color,"b", len)==0) {
|
||||||
|
led = LEDS_BLUE;
|
||||||
|
} else {
|
||||||
|
success = 0;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
success = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (success && (len=REST.get_post_variable(request, "mode", &mode))) {
|
||||||
|
PRINTF("mode %s\n", mode);
|
||||||
|
|
||||||
|
if (strncmp(mode, "on", len)==0) {
|
||||||
|
leds_on(led);
|
||||||
|
} else if (strncmp(mode, "off", len)==0) {
|
||||||
|
leds_off(led);
|
||||||
|
} else {
|
||||||
|
success = 0;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
success = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!success) {
|
||||||
|
REST.set_response_status(response, REST.status.BAD_REQUEST);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
#if REST_RES_TOGGLE
|
||||||
|
/* A simple actuator example. Toggles the red led */
|
||||||
|
RESOURCE(toggle, METHOD_GET | METHOD_PUT | METHOD_POST, "actuators/toggle", "title=\"Red LED\";rt=\"Control\"");
|
||||||
|
void
|
||||||
|
toggle_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||||
|
{
|
||||||
|
leds_toggle(LEDS_RED);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#endif /* PLATFORM_HAS_LEDS */
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
/******************************************************************************/
|
||||||
|
#if REST_RES_BATTERY && defined (PLATFORM_HAS_BATTERY)
|
||||||
|
/* A simple getter example. Returns the reading from light sensor with a simple etag */
|
||||||
|
RESOURCE(battery, METHOD_GET, "sensors/battery", "title=\"Battery status\";rt=\"battery-mV\"");
|
||||||
|
void
|
||||||
|
battery_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||||
|
{
|
||||||
|
int battery = battery_sensor.value(0);
|
||||||
|
|
||||||
|
const uint16_t *accept = NULL;
|
||||||
|
int num = REST.get_header_accept(request, &accept);
|
||||||
|
|
||||||
|
if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
|
||||||
|
{
|
||||||
|
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
|
||||||
|
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", battery);
|
||||||
|
|
||||||
|
REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)buffer));
|
||||||
|
}
|
||||||
|
else if (num && (accept[0]==REST.type.APPLICATION_JSON))
|
||||||
|
{
|
||||||
|
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
|
||||||
|
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'battery':%d}", battery);
|
||||||
|
|
||||||
|
REST.set_response_payload(response, buffer, strlen((char *)buffer));
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
|
||||||
|
const char *msg = "Supporting content-types text/plain and application/json";
|
||||||
|
REST.set_response_payload(response, msg, strlen(msg));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif /* PLATFORM_HAS_BATTERY */
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
void
|
||||||
|
hw_init()
|
||||||
|
{
|
||||||
|
#if defined (PLATFORM_HAS_LEDS)
|
||||||
|
leds_off(LEDS_RED);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
PROCESS(rest_server_example, "Erbium Example Server");
|
||||||
|
|
||||||
|
AUTOSTART_PROCESSES(&rest_server_example, &sensors_process);
|
||||||
|
|
||||||
|
PROCESS_THREAD(rest_server_example, ev, data)
|
||||||
|
{
|
||||||
|
PROCESS_BEGIN();
|
||||||
|
PRINTF("Starting Erbium Example Server\n");
|
||||||
|
|
||||||
|
#ifdef RF_CHANNEL
|
||||||
|
PRINTF("RF channel: %u\n", RF_CHANNEL);
|
||||||
|
#endif
|
||||||
|
#ifdef IEEE802154_PANID
|
||||||
|
PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
|
||||||
|
PRINTF("LL header: %u\n", UIP_LLH_LEN);
|
||||||
|
PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
|
||||||
|
PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
|
||||||
|
|
||||||
|
/* if static routes are used rather than RPL */
|
||||||
|
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
|
||||||
|
set_global_address();
|
||||||
|
configure_routing();
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Initialize the OSD Hardware. */
|
||||||
|
hw_init();
|
||||||
|
/* Initialize the REST engine. */
|
||||||
|
rest_init_engine();
|
||||||
|
|
||||||
|
/* Activate the application-specific resources. */
|
||||||
|
#if REST_RES_INFO
|
||||||
|
rest_activate_resource(&resource_info);
|
||||||
|
#endif
|
||||||
|
#if defined (PLATFORM_HAS_LEDS)
|
||||||
|
#if REST_RES_LEDS
|
||||||
|
rest_activate_resource(&resource_leds);
|
||||||
|
#endif
|
||||||
|
#if REST_RES_TOGGLE
|
||||||
|
rest_activate_resource(&resource_toggle);
|
||||||
|
#endif
|
||||||
|
#endif /* PLATFORM_HAS_LEDS */
|
||||||
|
#if defined (PLATFORM_HAS_BATTERY) && REST_RES_BATTERY
|
||||||
|
SENSORS_ACTIVATE(battery_sensor);
|
||||||
|
rest_activate_resource(&resource_battery);
|
||||||
|
#endif
|
||||||
|
rest_activate_resource(&resource_timestamp);
|
||||||
|
rest_activate_resource(&resource_localtime);
|
||||||
|
rest_activate_resource(&resource_gmtime);
|
||||||
|
|
||||||
|
/* Define application-specific events here. */
|
||||||
|
while(1) {
|
||||||
|
PROCESS_WAIT_EVENT();
|
||||||
|
} /* while (1) */
|
||||||
|
|
||||||
|
PROCESS_END();
|
||||||
|
}
|
||||||
2
examples/osd/wallclock-time/flash.sh
Executable file
2
examples/osd/wallclock-time/flash.sh
Executable file
|
|
@ -0,0 +1,2 @@
|
||||||
|
#!/bin/bash
|
||||||
|
make TARGET=osd-merkur flash
|
||||||
101
examples/osd/wallclock-time/project-conf.h
Normal file
101
examples/osd/wallclock-time/project-conf.h
Normal file
|
|
@ -0,0 +1,101 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2010, Swedish Institute of Computer Science.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. Neither the name of the Institute nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef PROJECT_RPL_WEB_CONF_H_
|
||||||
|
#define PROJECT_RPL_WEB_CONF_H_
|
||||||
|
|
||||||
|
#define PLATFORM_HAS_LEDS 1
|
||||||
|
//#define PLATFORM_HAS_BUTTON 1
|
||||||
|
#define PLATFORM_HAS_BATTERY 1
|
||||||
|
|
||||||
|
#define SICSLOWPAN_CONF_FRAG 1
|
||||||
|
|
||||||
|
/* For Debug: Dont allow MCU sleeping between channel checks */
|
||||||
|
#undef RDC_CONF_MCU_SLEEP
|
||||||
|
#define RDC_CONF_MCU_SLEEP 0
|
||||||
|
|
||||||
|
/* Disabling RDC for demo purposes. Core updates often require more memory. */
|
||||||
|
/* For projects, optimize memory and enable RDC again. */
|
||||||
|
// #undef NETSTACK_CONF_RDC
|
||||||
|
//#define NETSTACK_CONF_RDC nullrdc_driver
|
||||||
|
|
||||||
|
/* Increase rpl-border-router IP-buffer when using more than 64. */
|
||||||
|
#undef REST_MAX_CHUNK_SIZE
|
||||||
|
#define REST_MAX_CHUNK_SIZE 64
|
||||||
|
|
||||||
|
/* Estimate your header size, especially when using Proxy-Uri. */
|
||||||
|
/*
|
||||||
|
#undef COAP_MAX_HEADER_SIZE
|
||||||
|
#define COAP_MAX_HEADER_SIZE 70
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* The IP buffer size must fit all other hops, in particular the border router. */
|
||||||
|
|
||||||
|
#undef UIP_CONF_BUFFER_SIZE
|
||||||
|
#define UIP_CONF_BUFFER_SIZE 256
|
||||||
|
|
||||||
|
|
||||||
|
/* Multiplies with chunk size, be aware of memory constraints. */
|
||||||
|
#undef COAP_MAX_OPEN_TRANSACTIONS
|
||||||
|
#define COAP_MAX_OPEN_TRANSACTIONS 4
|
||||||
|
|
||||||
|
/* Must be <= open transaction number, default is COAP_MAX_OPEN_TRANSACTIONS-1. */
|
||||||
|
/*
|
||||||
|
#undef COAP_MAX_OBSERVERS
|
||||||
|
#define COAP_MAX_OBSERVERS 2
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Filtering .well-known/core per query can be disabled to save space. */
|
||||||
|
/*
|
||||||
|
#undef COAP_LINK_FORMAT_FILTERING
|
||||||
|
#define COAP_LINK_FORMAT_FILTERING 0
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Save some memory for the sky platform. */
|
||||||
|
/*
|
||||||
|
#undef NBR_TABLE_CONF_MAX_NEIGHBORS
|
||||||
|
#define NBR_TABLE_CONF_MAX_NEIGHBORS 10
|
||||||
|
#undef UIP_CONF_MAX_ROUTES
|
||||||
|
#define UIP_CONF_MAX_ROUTES 10
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Reduce 802.15.4 frame queue to save RAM. */
|
||||||
|
/*
|
||||||
|
#undef QUEUEBUF_CONF_NUM
|
||||||
|
#define QUEUEBUF_CONF_NUM 4
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
#undef SICSLOWPAN_CONF_FRAG
|
||||||
|
#define SICSLOWPAN_CONF_FRAG 1
|
||||||
|
*/
|
||||||
|
|
||||||
|
#endif /* PROJECT_RPL_WEB_CONF_H_ */
|
||||||
5
examples/osd/wallclock-time/run.sh
Executable file
5
examples/osd/wallclock-time/run.sh
Executable file
|
|
@ -0,0 +1,5 @@
|
||||||
|
#!/bin/bash
|
||||||
|
# For the new bootloader (using a jump-table) you want to use
|
||||||
|
# BOOTLOADER_GET_MAC=0x0001ff80 (which is the current default)
|
||||||
|
make clean TARGET=osd-merkur
|
||||||
|
make TARGET=osd-merkur BOOTLOADER_GET_MAC=0x0001f3a0
|
||||||
Loading…
Reference in a new issue