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| // Compile using: gcc lights.c -o lights -lcurl
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <curl/curl.h>
#define HASH "f2754b1f41b48af23765a1f9f838b122"
#define IP_HUE "10.0.0.2"
#define IP_LAPTOP "192.168.1.2"
#define IP_TV "192.168.1.12"
#define PORT_NR 80
#define ERROR -1
#define NRLAMPS 3
#define ERROR -1
#define SAME -1
#define ON 0
#define OFF -1
#define EVENING 180000
#define BEDTIME 230000
#define WAKEUPTIME_MONFRI 71500
#define WAKEUPTIME_SATSUN 83000
#define DAYTIME 999998
#define NIGHTTIME 999999
typedef struct {
char *ptr;
size_t len;
} string;
typedef struct {
int bri;
int hue;
int sat;
int ct;
} color;
int status_laptop = OFF, status_tv = OFF, mode = DAYTIME, current_date, current_time, current_weekday, wakeuptime;
// Check whether a certain IP is reachable, used to determine whether TV and LAPTOP are on or off.
int ipreachable(char *ip)
{
long arg;
int sockfd, len, result, on = 1;
struct sockaddr_in address;
fd_set fdset;
struct tm *tstruct;
// Set a timeout interval
struct timeval tv;
tv.tv_sec = 2; // 2 Seconds timeout
// Create a socket
sockfd = socket(AF_INET, SOCK_STREAM, 0);
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO,(struct timeval *)&tv,sizeof(tv));
// Set to nonblocking connect
arg = fcntl(sockfd,F_GETFL,0);
fcntl(sockfd,F_SETFL, arg | O_NONBLOCK);
// Name the socket
address.sin_family = AF_INET;
address.sin_addr.s_addr = inet_addr(ip);
address.sin_port = htons(PORT_NR);
// Attempt a connect (always returns an EINVAL error)
connect(sockfd, (struct sockaddr *)&address, sizeof(address));
// Wait until success or timeout value
FD_ZERO(&fdset);
FD_SET(sockfd, &fdset);
if (select(sockfd+1, NULL, &fdset, NULL, &tv) == 1)
{
int so_error;
socklen_t len = sizeof so_error;
getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &so_error, &len);
if (so_error == 0) {
close(sockfd);
return ON; // Connection established
}
}
close(sockfd);
return OFF; // No connection before timeout value was reached
}
// This is the custom function used by curl to write received data to a buffer
size_t writefunction(void *ptr, size_t size, size_t nmemb, string *buffer)
{
size_t new_len = buffer -> len + size*nmemb;
buffer -> ptr = realloc(buffer -> ptr, new_len + 1);
if (buffer -> ptr == NULL) {
printf("Error: Could not allocate memmory\n");
return ERROR;
}
memcpy(buffer -> ptr + buffer -> len, ptr, size*nmemb);
buffer -> ptr[new_len] = '\0';
buffer -> len = new_len;
return size*nmemb;
}
// HTTP GET function to get info from lamps
char *curl_get(char *addr)
{
CURL *curl;
CURLcode curl_res;
string buffer;
buffer.len = 0;
buffer.ptr = malloc(1);
if (buffer.ptr == NULL)
{
printf("Could not allocate memmory\n");
return NULL;
}
buffer.ptr[0] = '\0';
curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, addr);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writefunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
curl_res = curl_easy_perform(curl);
if(curl_res != 0) {
printf("Error: Could not download lamp info\n");
curl_easy_cleanup(curl);
return NULL;
}
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, NULL);
curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, NULL);
curl_easy_cleanup(curl);
return buffer.ptr;
}
// HTTP PUT function to change status of lamps
int curl_put(int lamp, char *buffer)
{
CURL *curl;
CURLcode curl_res;
char addr[128];
sprintf(addr, "http://%s/api/%s/lights/%d/state", IP_HUE, HASH, lamp);
struct curl_slist* headers = NULL;
headers = curl_slist_append(NULL, "Content-Type: application/json");
curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, addr);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, buffer);
curl_res = curl_easy_perform(curl);
if(curl_res != 0) {
printf("Error: Could not send command to lamp\n");
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return ERROR;
}
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return 0;
}
// Send commands to the lamps, results are send to curl_put
int cmd(int lamp, int bri, int hue, int sat, int ct, int transitiontime)
{
int i;
char command[128];
sprintf(command, "{");
if (sat != SAME) sprintf(command + 1, "\"sat\":%d", sat);
if (bri != SAME & sat != SAME) sprintf(command + strlen(command), ",");
if (bri != SAME) sprintf(command + strlen(command), "\"bri\":%d", bri);
if (ct != SAME & (sat != SAME | bri != SAME)) sprintf(command + strlen(command), ",");
if (ct != SAME) sprintf(command + strlen(command), "\"ct\":%d", ct);
if (hue != SAME & (sat != SAME | bri != SAME | ct != SAME)) sprintf(command + strlen(command), ",");
if (hue != SAME) sprintf(command + strlen(command), "\"hue\":%d", hue);
if (transitiontime != SAME & (sat != SAME | bri != SAME | ct != SAME | hue != SAME)) sprintf(command + strlen(command), ",");
if (transitiontime != SAME) sprintf(command + strlen(command), "\"transitiontime\":%d", transitiontime);
sprintf(command + strlen(command), "}");
if (lamp > 0)
{
curl_put(lamp, command);
}
if (lamp == 0) for (i = 1; i <= NRLAMPS; i++)
{
curl_put(i, command);
usleep(100000);
}
}
// Get status from lamps using curl_get, and process results
int getcolors(int lamp, color *currrent)
{
int i = 0, j;
char value[8];
char addr[128];
sprintf(addr, "http://%s/api/%s/lights/%d", IP_HUE, HASH, lamp);
char *buffer = curl_get(addr);
if (buffer == NULL) return ERROR;
while (i++ < strlen(buffer))
{
if (strncmp(&buffer[i], "\"bri\":", 6) == 0)
{
i+=6; j = 0;
while (buffer[i] >= '0' & buffer[i] <= '9') value[j++] = buffer[i++];
value[j] = '\0';
currrent -> bri = atoi(value);
}
if (strncmp(&buffer[i], "\"hue\":", 6) == 0)
{
i+=6; j = 0;
while (buffer[i] >= '0' & buffer[i] <= '9') value[j++] = buffer[i++];
value[j] = '\0';
currrent -> hue = atoi(value);
}
if (strncmp(&buffer[i], "\"sat\":", 6) == 0)
{
i+=6; j = 0;
while (buffer[i] >= '0' & buffer[i] <= '9') value[j++] = buffer[i++];
value[j] = '\0';
currrent -> sat = atoi(value);
}
if (strncmp(&buffer[i], "\"ct\":", 5) == 0)
{
i+=5; j = 0;
while (buffer[i] >= '0' & buffer[i] <= '9') value[j++] = buffer[i++];
value[j] = '\0';
currrent -> ct = atoi(value);
break;
}
}
free(buffer);
return 0;
}
// Get the current time of day
int update_time(void)
{
time_t t;
t = time(NULL);
struct tm *time;
time = localtime(&t);
current_date = (time -> tm_year + 1900) * 10000 + (time -> tm_mon + 1) * 100 + time -> tm_mday;
current_time = time -> tm_hour * 10000 + time -> tm_min * 100 + time -> tm_sec;
current_weekday = time -> tm_wday;
if (current_weekday == 0 | current_weekday == 6) wakeuptime = WAKEUPTIME_SATSUN;
else wakeuptime = WAKEUPTIME_MONFRI;
return 0;
}
int turnlampson(void)
{
int i;
for (i = 1; i <= NRLAMPS; i++)
{
curl_put(i, "{\"on\":true}");
usleep(100000);
}
}
int turnlampsoff(void)
{
int i;
for (i = 1; i <= NRLAMPS; i++)
{
curl_put(i, "{\"on\":false}");
usleep(100000);
}
}
// Standard light:(bri hue sat ct) 254 14922 144 369
// Optimal light: (bri hue sat ct) 240 14400 170 400
// Dimmed light (bri hue sat ct) 140 12000 240 500
int main(int argc, char *argv[])
{
int i;
// Make sure the status of the lamps is set to 'on'.
turnlampson();
update_time();
color current;
getcolors(1, ¤t);
// Main loop
while (1)
{
update_time();
getcolors(1, ¤t);
printf("bri hue sat ct: %d %d %d %d\n", current.bri, current.hue, current.sat, current.ct);
sleep(5);
int current_tv = ipreachable(IP_TV);
if (current.bri == 254 & current.hue == 14922 & current.sat == 144 & current.ct == 369)
{
printf("Lamp turned on!\n");
if (mode == NIGHTTIME & override == 0) override = 1;
else if (mode == NIGHTTIME & override == 1) override = 0;
if (current_time < EVENING & current_time > wakeuptime) mode = DAYTIME;
if (current_time >= EVENING & current_time <= wakeuptime & override == 0) mode = EVENING;
if (current_tv == ON)
{
cmd(0, 140, 12000, 240, 500, 300);
status_tv = ON;
}
else {
if (mode == DAYTIME) cmd(0, 254, 14922, 140, 369, 300);
if (mode != DAYTIME) cmd(0, 240, 14400, 170, 400, 300);
}
sleep(30);
}
if (status_tv == OFF & current_tv == ON)
{
printf("TV turned on!\n");
if (mode == NIGHTTIME)
{
turnlampson();
mode = EVENING;
}
cmd(0, 140, 12000, 240, 500, 300);
status_tv = ON;
sleep(30);
}
if (status_tv == ON & current_tv == OFF)
{
printf("TV turned off!\n");
mode = DAYTIME;
if (current_time >= EVENING & current_time < BEDTIME) mode = EVENING;
if (mode == DAYTIME) cmd(0, 254, 14922, 140, 369, 300);
if (mode != DAYTIME) cmd(0, 240, 14400, 170, 400, 300);
status_tv = OFF;
override = 0;
sleep(30);
}
if (status_tv == OFF & mode == DAYTIME & current_time > EVENING)
{
cmd(0, 240, 14400, 170, 400, 300);
mode = EVENING;
sleep(30);
}
if (status_tv == OFF & mode == EVENING & (current_time > BEDTIME | current_time < wakeuptime) & override == 0)
{
sleep(5);
if (ipreachable(IP_LAPTOP) == OFF)
{
printf("Turn lights off\n");
cmd(0, 0, 0, 254, SAME, 600);
sleep(60);
for (i = 1; i <= NRLAMPS; i++)
{
curl_put(i, "{\"on\":false}");
usleep(100000);
}
status_laptop = OFF;
mode = NIGHTTIME;
}
}
if (status_tv == OFF & status_laptop == OFF & mode == NIGHTTIME)
{
sleep(5);
if (ipreachable(IP_LAPTOP) == ON)
{
printf("Turn lights on\n");
turnlampson();
status_laptop = ON;
cmd(0, 240, 14400, 170, 400, 300);
mode = EVENING;
override = 0;
sleep(30);
}
}
if (status_tv == OFF & status_laptop == OFF & mode == NIGHTTIME & current_time >= wakeuptime & current_time < BEDTIME)
{
curl_put(1, "{\"on\":true}"); sleep(1);
for (i = 1; i < 355; i++)
{
if (i == 50) curl_put(2, "{\"on\":true}");
if (i == 100) curl_put(3, "{\"on\":true}");
if (i < 255) cmd(1, i, i * 80, SAME, SAME, 5);
if (i > 50 & i < 305) cmd(2, i-50, (i-50) * 80, SAME, SAME, 5);
if (i > 100 & i < 355) cmd(3, i-100, (i-100) * 80, SAME, SAME, 5);
sleep(2);
}
cmd(0, 254, 14922, 140, 369, 600);
mode = DAYTIME;
sleep(120);
if (current_weekday > 0 & current_weekday < 6 &
!(current.bri == 254 & current.hue == 14922 & current.sat == 144 & current.ct == 369))
{
for (i = 0; i < 30; i++)
{
turnlampsoff();
sleep(1);
turnlampson();
getcolors(1, ¤t);
if (current.bri == 254 & current.hue == 14922 & current.sat == 144 & current.ct == 369) i = 30;
sleep(1);
}
}
}
sleep(5);
}
} |
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/u/73096/crop651ec71f2cde4_cropped.png?f=community)
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/u/28429/crop59eb40ac5dc83_cropped.png?f=community)
:strip_icc():strip_exif()/u/221910/crop568251d74f211_cropped.jpeg?f=community)
:strip_icc():strip_exif()/u/162025/aap-intro.jpg?f=community)
:strip_icc():strip_exif()/u/1740/shark.jpg?f=community)
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:strip_icc():strip_exif()/u/211012/6881449706_605aed9bfb_s.jpg?f=community)
:strip_icc():strip_exif()/u/19692/crop5d170684e2a71.jpeg?f=community)
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). Daarna gaat hij naar warm wit en gaan in de woonkamer en keuken de lampen op 100% warm wit.:strip_icc():strip_exif()/u/40267/mini-kermit.jpg?f=community)
/u/30465/billgates2.PNG?f=community)
:strip_exif()/u/154471/crop5e09176a82484.gif?f=community)
:strip_icc():strip_exif()/u/5922/bmw535.jpg?f=community)
/u/68516/birdy.png?f=community)
:strip_icc():strip_exif()/u/486730/crop5c87f65da15e9_cropped.jpeg?f=community)
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