Add main.c
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// gcc -o test1 test1.c -lwiringPi -lcurl
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#include <wiringPi.h>
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#include <time.h>
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#include <stdio.h>
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#include <string.h>
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#include <curl/curl.h>
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int main(void)
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{
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wiringPiSetup() ;
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pinMode (6, INPUT) ;
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int result;
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int count;
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long start_time = time(NULL);
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printf("Start Time: %u\n", start_time);
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CURL *curl;
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CURLcode res;
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for(;;)
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{
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long diff_result = time(NULL) % 60;
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if (diff_result == 0) {
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printf("Tick %d CPM\n", count);
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char total_string[100];
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sprintf(total_string, "cpm,host=nanopi value=%d", count);
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printf(total_string);
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printf("\n");
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curl = curl_easy_init();
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if(curl) {
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struct curl_slist *headers = NULL;
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headers = curl_slist_append(headers, "Accept: application/octet-stream");
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headers = curl_slist_append(headers, "Content-Type: application/octet-stream");
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headers = curl_slist_append(headers, "charset: utf-8");
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curl_easy_setopt(curl, CURLOPT_URL, "http://192.168.1.1:8086/write?db=maindb");
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, total_string);
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curl_easy_setopt(curl, CURLOPT_USERAGENT, "libcrp/0.1");
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curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)strlen(total_string));
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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count = 0;
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delay(1000);
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}
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result = digitalRead(6) ;
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if (result == 0) {
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printf("%u\n", (unsigned)time(NULL));
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count++;
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delay(1);
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}
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delay (0.2) ;
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}
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}
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