#include #include #include "TinyFrame.h" // helper func for testing static void dumpFrame(const unsigned char *buff, unsigned int len) { int i; for(i = 0; i < len; i++) { printf("%3u %c\n", buff[i], buff[i]); } printf("--- end of frame ---\n"); } /** * This function should be defined in the application code. * It implements the lowest layer - sending bytes to UART (or other) */ void TF_WriteImpl(const unsigned char *buff, unsigned int len) { printf("\033[32;1mTF_WriteImpl - sending frame:\033[0m\n"); dumpFrame(buff, len); } /** An example listener function */ bool myListener(unsigned int frame_id, const unsigned char *buff, unsigned int len) { printf("\033[33mrx frame %s, len %d, id %d\033[0m\n", buff, len, frame_id); return false; // Do not unbind } void main() { int i; int msgid; int len; char buff[100]; // Set up the TinyFrame library TF_Init(1); // 1 = master, 0 = slave printf("------ Simulate sending a message --------\n"); // Send a message // args - payload, length (0 = strlen), listener, id_ptr (for storing the frame ID) // (see the .h file for details) TF_Send("Hello TinyFrame", 0, NULL, NULL); // This builds the frame in an internal buffer and sends it to // TF_WriteImpl() printf("------ Simulate receiving a message --------\n"); // Adding global listeners // Listeners can listen to any frame (fallback listeners), // or to a specific Frame Type (AddTypeListener). There are // also ID listeners that can be bound automatically in TF_Send(). // // Type listeners are matched by the first character of the payload, // ID listeners by the message ID (which is the same in the response as in the request) TF_AddGenericListener(myListener); //TF_AddTypeListener(0xF1, myTypeListener); //TF_AddIdListener(msgID, myIdListener); // This lets us compose a frame (it's also used internally by TF_Send and TF_Respond) len = TF_Compose(buff, // Buffer to write the frame to &msgid, // Int to store the message ID in "ALPHA BETA", // Payload bytes 5, // Length - this will cut it at "ALPHA" (showing that it works) // For string, we can use "0" to use strlen() internally TF_NEXT_ID); // Message ID - we could specify a particular ID if we were // trying to build a response frame, which has the same ID // as the request it responds to. printf("The frame we'll receive is:\n"); dumpFrame(buff, len); // Accept the frame // You will normally call this method in the UART IRQ handler etc TF_Accept(buff, len); }