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add led resource

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This commit is contained in:
Harald Pichler 2016-04-24 17:45:35 +02:00
parent 04bbba6c12
commit 944f1b06d6
2 changed files with 40 additions and 18 deletions
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44
examples/osd/arduino-merkurboard/resources/res-door.c → examples/osd/arduino-merkurboard/resources/res-led.c
View file

@ -43,35 +43,33 @@
#include "Arduino.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
/* A simple getter example. Returns the reading from the sensor with a simple etag */
RESOURCE(res_door,
"title=\"Moisture status\";rt=\"Moisture\"",
RESOURCE(res_led,
"title=\"LED: , POST/PUT mode=on|off\";rt=\"Control\"",
res_get_handler,
NULL,
NULL,
res_post_put_handler,
res_post_put_handler,
NULL);
extern uint8_t door_pin;
extern uint8_t door_status;
extern uint8_t led_pin;
extern uint8_t led_status;
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
door_status = digitalRead(door_pin);
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", door_status);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", led_status);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else if(accept == REST.type.APPLICATION_JSON) {
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'door':%d}", door_status);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'led':%d}", led_status);
REST.set_response_payload(response, buffer, strlen((char *)buffer));
} else {
@ -80,3 +78,27 @@ res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferr
REST.set_response_payload(response, msg, strlen(msg));
}
}
static void
res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
size_t len = 0;
const char *mode = NULL;
int success = 1;
if(success && (len = REST.get_post_variable(request, "mode", &mode))) {
if(strncmp(mode, "on", len) == 0) {
digitalWrite(led_pin, LOW);
led_status=1;
} else if(strncmp(mode, "off", len) == 0) {
digitalWrite(led_pin, HIGH);
led_status=0;
} else {
success = 0;
}
} else {
success = 0;
} if(!success) {
REST.set_response_status(response, REST.status.BAD_REQUEST);
}
}

14
examples/osd/arduino-merkurboard/sketch.pde
View file

@ -15,21 +15,21 @@ extern "C" {
#include "rest-engine.h"
#include "net/netstack.h"
extern resource_t res_leds, res_battery, res_cputemp;
uint8_t door_pin = 3;
uint8_t door_status = 0;
extern resource_t res_led, res_battery, res_cputemp;
#define LED_PIN 4
uint8_t led_pin=4;
uint8_t led_status;
}
void setup (void)
{
// switch off the led
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, HIGH);
pinMode(led_pin, OUTPUT);
digitalWrite(led_pin, HIGH);
led_status=0;
// init coap resourcen
rest_init_engine ();
rest_activate_resource (&res_leds, "s/leds");
rest_activate_resource (&res_led, "s/led");
rest_activate_resource (&res_battery, "s/battery");
rest_activate_resource (&res_cputemp, "s/cputemp");