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32 lines
429 B
C
32 lines
429 B
C
#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include "ezoec.h"
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int main()
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{
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int fd = open("/dev/i2c-1",O_RDWR);
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if(fd < 0)
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{
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fprintf(stderr,"%s\n",strerror(errno));
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return -1;
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}
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double ec;
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if(getEC(fd,&ec) < 0)
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{
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close(fd);
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return -1;
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}
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printf("{ \"ec\": %.3f }\n",ec);
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close(fd);
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return 0;
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}
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