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https://github.com/oliverschmidt/contiki.git
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162 lines
4.6 KiB
C
162 lines
4.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "contiki.h"
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#include "contiki-net.h"
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#include "rest.h"
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#include "dev/light-sensor.h"
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#include "dev/battery-sensor.h"
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#include "dev/sht11-sensor.h"
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#include "dev/leds.h"
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#define DEBUG 1
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
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#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])
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#else
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#define PRINTF(...)
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#define PRINT6ADDR(addr)
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#define PRINTLLADDR(addr)
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#endif
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char temp[100];
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/* Resources are defined by RESOURCE macro, signature: resource name, the http methods it handles and its url*/
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RESOURCE(helloworld, METHOD_GET, "helloworld");
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/* For each resource defined, there corresponds an handler method which should be defined too.
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* Name of the handler method should be [resource name]_handler
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* */
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void
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helloworld_handler(REQUEST* request, RESPONSE* response)
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{
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sprintf(temp,"Hello World!\n");
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rest_set_header_content_type(response, TEXT_PLAIN);
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rest_set_response_payload(response, temp, strlen(temp));
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}
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/*A simple actuator example, depending on the color query parameter and post variable mode, corresponding led is activated or deactivated*/
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RESOURCE(led, METHOD_POST | METHOD_PUT , "led");
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void
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led_handler(REQUEST* request, RESPONSE* response)
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{
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char color[10];
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char mode[10];
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uint8_t led = 0;
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int success = 1;
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if (rest_get_query_variable(request, "color", color, 10)) {
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PRINTF("color %s\n", color);
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if (!strcmp(color,"red")) {
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led = LEDS_RED;
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} else if(!strcmp(color,"green")) {
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led = LEDS_GREEN;
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} else if ( !strcmp(color,"blue") ) {
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led = LEDS_BLUE;
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} else {
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success = 0;
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}
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} else {
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success = 0;
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}
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if (success && rest_get_post_variable(request, "mode", mode, 10)) {
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PRINTF("mode %s\n", mode);
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if (!strcmp(mode, "on")) {
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leds_on(led);
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} else if (!strcmp(mode, "off")) {
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leds_off(led);
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} else {
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success = 0;
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}
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} else {
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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, BAD_REQUEST_400);
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}
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}
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uint16_t light_photosynthetic;
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uint16_t light_solar;
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void
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read_light_sensor(uint16_t* light_1, uint16_t* light_2)
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{
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*light_1 = light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC);
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*light_2 = light_sensor.value(LIGHT_SENSOR_TOTAL_SOLAR);
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}
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/*A simple getter example. Returns the reading from light sensor with a simple etag*/
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RESOURCE(light, METHOD_GET, "light");
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void
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light_handler(REQUEST* request, RESPONSE* response)
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{
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#ifdef CONTIKI_TARGET_SKY
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read_light_sensor(&light_photosynthetic, &light_solar);
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sprintf(temp,"%u;%u", light_photosynthetic, light_solar);
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#else /*CONTIKI_TARGET_SKY*/
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sprintf(temp,"%d.%d", 0, 0);
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#endif /*CONTIKI_TARGET_SKY*/
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char etag[4] = "ABCD";
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rest_set_header_content_type(response, TEXT_PLAIN);
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rest_set_header_etag(response, etag, sizeof(etag));
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rest_set_response_payload(response, temp, strlen(temp));
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}
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/*A simple actuator example. Toggles the red led*/
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RESOURCE(toggle, METHOD_GET | METHOD_PUT | METHOD_POST, "toggle");
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void
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toggle_handler(REQUEST* request, RESPONSE* response)
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{
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leds_toggle(LEDS_RED);
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}
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RESOURCE(discover, METHOD_GET, ".well-known/core");
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void
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discover_handler(REQUEST* request, RESPONSE* response)
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{
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char temp[100];
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int index = 0;
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index += sprintf(temp + index, "%s\n", "<helloworld>;n=\"HelloWorld\"");
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index += sprintf(temp + index, "%s\n", "<led>;n=\"LedControl\"");
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index += sprintf(temp + index, "%s\n", "<light>;n=\"Light\"");
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rest_set_response_payload(response, temp, strlen(temp));
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rest_set_header_content_type(response, APPLICATION_LINK_FORMAT);
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}
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PROCESS(rest_server_example, "Rest Server Example");
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AUTOSTART_PROCESSES(&rest_server_example);
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PROCESS_THREAD(rest_server_example, ev, data)
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{
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PROCESS_BEGIN();
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#ifdef WITH_COAP
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PRINTF("COAP Server\n");
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#else
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PRINTF("HTTP Server\n");
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#endif
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SENSORS_ACTIVATE(light_sensor);
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rest_init();
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rest_activate_resource(&resource_helloworld);
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rest_activate_resource(&resource_led);
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rest_activate_resource(&resource_light);
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rest_activate_resource(&resource_toggle);
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rest_activate_resource(&resource_discover);
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PROCESS_END();
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}
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