Revision 1116 branches/diagnostics/computer-hub/comp-hub.c

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comp-hub.c
1 1
#include "comp-hub.h"
2 2

  
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// THESE ARE NOT SET CORRECTLY!
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// ALSO DON'T FORGET TO CHECK OUT
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// ATTRIBUTES ON LINES 39 ish TO 50 ish
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#define PORT_DEFAULT "/dev/ttyUSB0"
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#define INPUT_BAUD_RATE B9600
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#define OUTPUT_BAUD_RATE B9600
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#define BAUD_RATE 115200
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static char* com_port = PORT_DEFAULT;
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static int stream;
......
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		printf("Exiting...\n");
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	//your code here
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	listen();
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	put_char('r');
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	listen();
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	put_char('b');
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	listen();
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	put_char('m');
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	listen();
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	return 0;
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}
......
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	struct termios options;
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	if(tcgetattr(stream, &options))
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		printf("Error getting attributes");
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	cfsetispeed(&options, INPUT_BAUD_RATE);
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	cfsetospeed(&options, OUTPUT_BAUD_RATE);
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	options.c_iflag &= ~ICRNL;
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	options.c_oflag &= ~OCRNL;
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	options.c_cflag |= (CLOCAL | CREAD);
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	options.c_cflag &= ~PARENB;
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	options.c_cflag &= ~CSTOPB;
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	cfsetispeed(&options, BAUD_RATE);
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	cfsetospeed(&options, BAUD_RATE);
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	//options.c_iflag &= ~ICRNL;
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	//options.c_oflag &= ~OCRNL;
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	//options.c_cflag |= (CLOCAL | CREAD);
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	options.c_cflag &= ~PARENB; //no parity
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	options.c_cflag &= ~CSTOPB; //one stop bit
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	options.c_cflag &= ~CSIZE;
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	options.c_cflag |= CS8;
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	options.c_lflag &= ~ICANON;
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	options.c_cc[VMIN] = 1;
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	options.c_cc[VTIME] = 50;
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	options.c_cflag |= CS8; //8 bits
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	//options.c_lflag &= ~ICANON;
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	//options.c_cc[VMIN] = 1;
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	//options.c_cc[VTIME] = 50;
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	if (tcsetattr(stream, TCSANOW, &options))
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	{
......
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static void* listen()
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{
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	char c;
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	int count = 0;
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	char buf[100];
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	while (1)
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	{
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		if (read_char(&c) != 0) {
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			printf("Listen failed.\n");
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			return NULL;
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		}
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		printf("%c\n", c);
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		usleep(1000);
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		printf("%c", c); fflush(stdout);
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		if(c == '\0')
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			break;
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	}
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	return NULL;
......
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	return 0;
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}
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static int put_char(char* c)
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static int put_char(char c)
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{
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	if (write(stream, c, 1) == -1) {
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	if (write(stream, &c, 1) == -1) {
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		printf("Failed to write.\r\n");
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		return -1;
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	}

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