#include #include #include #include #include "ezoph.h" int main() { int fd = open("/dev/i2c-1",O_RDWR); if(fd < 0) { fprintf(stderr,"%s\n",strerror(errno)); return -1; } double ph; if(getPH(fd,&ph) < 0) { return -1; } printf("{ \"ph\": %.3f }\n",ph); return 0; }