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Added Giovanni Pellerano's radio resource.

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This commit is contained in:
Matthias Kovatsch 2012-06-09 10:47:09 +02:00
parent 46d1367566
commit 4a96e12890
1 changed files with 69 additions and 0 deletions
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69
examples/er-rest-example/er-example-server.c
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@ -54,6 +54,7 @@
#define REST_RES_TOGGLE 1
#define REST_RES_LIGHT 0
#define REST_RES_BATTERY 0
#define REST_RES_RADIO 1
@ -80,6 +81,9 @@
#if defined (PLATFORM_HAS_SHT11)
#include "dev/sht11-sensor.h"
#endif
#if defined (PLATFORM_HAS_RADIO)
#include "dev/radio-sensor.h"
#endif
/* For CoAP-specific example: not required for normal RESTful Web service. */
@ -672,6 +676,67 @@ battery_handler(void* request, void* response, uint8_t *buffer, uint16_t preferr
#endif /* PLATFORM_HAS_BATTERY */
#if defined (PLATFORM_HAS_RADIO) && REST_RES_RADIO
/* A simple getter example. Returns the reading of the rssi/lqi from radio sensor */
RESOURCE(radio, METHOD_GET, "sensor/radio", "title=\"RADIO: ?p=lqi|rssi\";rt=\"RadioSensor\"");
void
radio_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
size_t len = 0;
const char *p = NULL;
uint8_t param = 0;
int success = 1;
const uint16_t *accept = NULL;
int num = REST.get_header_accept(request, &accept);
if ((len=REST.get_query_variable(request, "p", &p))) {
PRINTF("p %.*s\n", len, p);
if (strncmp(p, "lqi", len)==0) {
param = RADIO_SENSOR_LAST_VALUE;
} else if(strncmp(p,"rssi", len)==0) {
param = RADIO_SENSOR_LAST_PACKET;
} else {
success = 0;
}
} else {
success = 0;
}
if (success) {
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", radio_sensor.value(param));
REST.set_response_payload(response, (uint8_t *)buffer, strlen(buffer));
}
else if (num && (accept[0]==REST.type.APPLICATION_JSON))
{
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
if (param == RADIO_SENSOR_LAST_VALUE) {
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'lqi':%d}", radio_sensor.value(param));
} else if (param == RADIO_SENSOR_LAST_PACKET) {
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'rssi':%d}", radio_sensor.value(param));
}
REST.set_response_payload(response, buffer, strlen(buffer));
}
else
{
REST.set_response_status(response, REST.status.UNSUPPORTED_MADIA_TYPE);
const char *msg = "Supporting content-types text/plain and application/json";
REST.set_response_payload(response, msg, strlen(msg));
}
} else {
REST.set_response_status(response, REST.status.BAD_REQUEST);
}
}
#endif
PROCESS(rest_server_example, "Erbium Example Server");
AUTOSTART_PROCESSES(&rest_server_example);
@ -742,6 +807,10 @@ PROCESS_THREAD(rest_server_example, ev, data)
SENSORS_ACTIVATE(battery_sensor);
rest_activate_resource(&resource_battery);
#endif
#if defined (PLATFORM_HAS_RADIO) && REST_RES_RADIO
SENSORS_ACTIVATE(radio_sensor);
rest_activate_resource(&resource_radio);
#endif
/* Define application-specific events here. */
while(1) {