/**********************************************************
	icom232.c

   Z-World, 2000
	
	This sample program is used with products such as
	Intellicom Series and Rabbit TCP/IP Development Kits.
	
	This program demonstrates a simple RS232 loopback
	displayed in STDIO window.
	
	Serial port C on parallel port C's alternate function
	(TxC) is used.
	
	Make the following connection on J7.

		Tx <---> Rx

**********************************************************/

// serial C buffer size
#define CINBUFSIZE  15
#define COUTBUFSIZE 15

// serial baud rate
#ifndef _232BAUD
#define _232BAUD 115200
#endif



//////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////
main()
{
	int nIn;
	char cOut;

	serCopen(_232BAUD);
	serMode(0);
	serCwrFlush();
	serCrdFlush();
	
	while (1) {
		for (cOut='a';cOut<='z';++cOut) {			//	Send Classified Sequence
			serCputc (cOut);								//	Send Byte
			while ((nIn=serCgetc()) == -1);			// Wait for echo
			printf ("Upper case %c is %c\n",cOut,toupper(nIn));	//	Display Byte vs. Echo
			}
		}
}
//////////////////////////////////////////////////////////

