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88 lines
1.9 KiB
88 lines
1.9 KiB
#include <stdio.h>
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#include <string.h>
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#include "../../TinyFrame.h"
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#include "../utils.h"
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TinyFrame *demo_tf;
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bool do_corrupt = false;
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/**
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* This function should be defined in the application code.
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* It implements the lowest layer - sending bytes to UART (or other)
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*/
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void TF_WriteImpl(TinyFrame *tf, const uint8_t *buff, uint32_t len)
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{
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printf("--------------------\n");
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printf("\033[32mTF_WriteImpl - sending frame:\033[0m\n");
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uint8_t *xbuff = (uint8_t *)buff;
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if (do_corrupt) {
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printf("(corrupting to test checksum checking...)\n");
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xbuff[8]++;
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}
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dumpFrame(xbuff, len);
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// Send it back as if we received it
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TF_Accept(tf, xbuff, len);
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}
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/** An example listener function */
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TF_Result myListener(TinyFrame *tf, TF_Msg *msg)
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{
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dumpFrameInfo(msg);
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return TF_STAY;
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}
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TF_Result testIdListener(TinyFrame *tf, TF_Msg *msg)
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{
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printf("OK - ID Listener triggered for msg!\n");
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dumpFrameInfo(msg);
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return TF_CLOSE;
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}
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void main(void)
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{
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TF_Msg msg;
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const char *longstr = "Lorem ipsum dolor sit amet.";
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// Set up the TinyFrame library
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demo_tf = TF_Init(TF_MASTER); // 1 = master, 0 = slave
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TF_AddGenericListener(demo_tf, myListener);
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printf("------ Simulate sending a message --------\n");
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TF_ClearMsg(&msg);
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msg.type = 0x22;
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msg.data = (pu8) "Hello TinyFrame";
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msg.len = 16;
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TF_Send(demo_tf, &msg);
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printf("This should fail:\n");
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// test checksums are tested
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do_corrupt = true;
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msg.type = 0x44;
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msg.data = (pu8) "Hello2";
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msg.len = 7;
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TF_Send(demo_tf, &msg);
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}
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// a made up custom checksum - just to test it's used and works
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TF_CKSUM TF_CksumStart(void)
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{
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return 0;
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}
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TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte)
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{
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return cksum ^ byte + 1;
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}
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TF_CKSUM TF_CksumEnd(TF_CKSUM cksum)
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{
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return ~cksum ^ 0xA5;
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}
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