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#include <cstdio> #include <stdint.h> #include <string.h> void onFrontDoorOpen() { printf("onFrontDoorOpen\n"); } void onFrontDoorClosed() { printf("onFrontDoorClosed!\n"); } void onDataReceived(const uint8_t* data, size_t len) { const char* dataString = (const char*)data; if(strnlen(dataString,len)==len) { printf("received data is not a null terminated string!\n"); return; // data is not a null terminated string ! } if(strcmp("FrontDoor, Open!", dataString) == 0) { onFrontDoorOpen(); return; } if(strcmp("FrontDoor, Closed!", dataString) == 0) { onFrontDoorClosed(); return; } printf("received unknown message: %s\n",dataString); } int main() { const char* one = "FrontDoor, Open!"; const char* two = "FrontDoor, Closed!"; const char* three = "Just a Text"; uint8_t four[] = {'A','B','C'}; uint8_t five[] = "FrontDoor, Open!"; printf("one:\n"); onDataReceived((const uint8_t*)one,strlen(one)+1); printf("two:\n"); onDataReceived((const uint8_t*)two,strlen(two)+1); printf("three:\n"); onDataReceived((const uint8_t*)three,strlen(three)+1); printf("four:\n"); onDataReceived(four,sizeof(four)/sizeof(four[0])); printf("five:\n"); onDataReceived(five,sizeof(five)/sizeof(five[0])); return 0; }

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