make Tx support multi-chunk payload (exceeding buffer size)

demo/simple/Makefile

@@ -0,0 +1,11 @@
+CFILES=../utils.c ../../TinyFrame.c
+INCLDIRS=-I. -I.. -I../..
+CFLAGS=-O0 -ggdb --std=gnu99 -Wno-main -Wall -Wextra $(CFILES) $(INCLDIRS)
+
+run: test.bin
+	./test.bin
+
+build: test.bin
+
+test.bin: test.c $(CFILES)
+	gcc test.c $(CFLAGS) -o test.bin

demo/simple/TF_Config.h

@@ -0,0 +1,25 @@
+//
+// Created by MightyPork on 2017/10/15.
+//
+
+#ifndef TF_CONFIG_H
+#define TF_CONFIG_H
+
+#include <stdint.h>
+
+#define TF_ID_BYTES     1
+#define TF_LEN_BYTES    2
+#define TF_TYPE_BYTES   1
+#define TF_CKSUM_TYPE TF_CKSUM_CRC16
+#define TF_USE_SOF_BYTE 1
+#define TF_SOF_BYTE     0x01
+typedef uint16_t TF_TICKS;
+typedef uint8_t TF_COUNT;
+#define TF_MAX_PAYLOAD_RX 1024
+#define TF_SENDBUF_LEN 1024
+#define TF_MAX_ID_LST   10
+#define TF_MAX_TYPE_LST 10
+#define TF_MAX_GEN_LST  5
+#define TF_PARSER_TIMEOUT_TICKS 10
+
+#endif //TF_CONFIG_H

demo/simple/test.c

@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <string.h>
+#include "../../TinyFrame.h"
+#include "../utils.h"
+
+
+/**
+ * This function should be defined in the application code.
+ * It implements the lowest layer - sending bytes to UART (or other)
+ */
+void TF_WriteImpl(const uint8_t *buff, size_t len)
+{
+	printf("--------------------\n");
+	printf("\033[32mTF_WriteImpl - sending frame:\033[0m\n");
+	dumpFrame(buff, len);
+
+	// Send it back as if we received it
+	TF_Accept(buff, len);
+}
+
+/** An example listener function */
+TF_Result myListener(TF_Msg *msg)
+{
+	dumpFrameInfo(msg);
+	return TF_STAY;
+}
+
+TF_Result testIdListener(TF_Msg *msg)
+{
+	printf("OK - ID Listener triggered for msg!\n");
+	dumpFrameInfo(msg);
+	return TF_CLOSE;
+}
+
+void main(void)
+{
+	TF_Msg msg;
+	const char *longstr = "Lorem ipsum dolor sit amet.";
+
+	// Set up the TinyFrame library
+	TF_Init(TF_MASTER); // 1 = master, 0 = slave
+	TF_AddGenericListener(myListener);
+
+	printf("------ Simulate sending a message --------\n");
+
+	TF_ClearMsg(&msg);
+	msg.type = 0x22;
+	msg.data = (pu8)"Hello TinyFrame";
+	msg.len = 16;
+	TF_Send(&msg);
+
+	msg.type = 0x33;
+	msg.data = (pu8)longstr;
+	msg.len = (TF_LEN) (strlen(longstr)+1); // add the null byte
+	TF_Send(&msg);
+
+	msg.type = 0x44;
+	msg.data = (pu8)"Hello2";
+	msg.len = 7;
+	TF_Send(&msg);
+
+	msg.len = 0;
+	msg.type = 0x77;
+	TF_Query(&msg, testIdListener, 0);
+}