?? sensor_init.cpp
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#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() {}
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