#define S_FUNCTION_NAME sensor_init#include "ttkernel.cpp"// Periodic Sensor Node // code functiondouble sensor_code(int seg, void *data) {  static double *y;  switch (seg) {  case 1:    y = new double;    *y = ttAnalogIn(1);    return 0.0005;  case 2:    ttSendMsg(1, 4, y, 10); // Send measurement (10 bytes) to node 4 (controller)    return 0.0004;  case 3:    return FINISHED;  }}double msgRcvhandler(int seg, void *data){  printf("ERROR: sensor received a message!\n");  return FINISHED;}void init(){  ttInitKernel(1,0,FP);  // Sensor task  ttCreatePeriodicTask("sensor_task", 0.0, 0.010, 1, sensor_code);  // Initialize network  ttCreateInterruptHandler("msgRcv", 1, msgRcvhandler);  ttInitNetwork(3, "msgRcv"); // I am node 3}void cleanup() {}