Revision 1116
Added server code.
| branches/diagnostics/computer-hub/comp-hub.h | ||
|---|---|---|
| 10 | 10 |
static void* listen(); |
| 11 | 11 |
static int read_char(char* buf); |
| 12 | 12 |
static int put_string(char *str); |
| 13 |
static int put_char(char* c); |
|
| 13 |
static int put_char(char c); |
|
| branches/diagnostics/computer-hub/comp-hub.c | ||
|---|---|---|
| 1 | 1 |
#include "comp-hub.h" |
| 2 | 2 |
|
| 3 |
// THESE ARE NOT SET CORRECTLY! |
|
| 4 | 3 |
// ALSO DON'T FORGET TO CHECK OUT |
| 5 | 4 |
// ATTRIBUTES ON LINES 39 ish TO 50 ish |
| 6 | 5 |
#define PORT_DEFAULT "/dev/ttyUSB0" |
| 7 |
#define INPUT_BAUD_RATE B9600 |
|
| 8 |
#define OUTPUT_BAUD_RATE B9600 |
|
| 6 |
#define BAUD_RATE 115200 |
|
| 9 | 7 |
|
| 10 | 8 |
static char* com_port = PORT_DEFAULT; |
| 11 | 9 |
static int stream; |
| ... | ... | |
| 16 | 14 |
printf("Exiting...\n");
|
| 17 | 15 |
|
| 18 | 16 |
//your code here |
| 17 |
listen(); |
|
| 18 |
put_char('r');
|
|
| 19 |
listen(); |
|
| 20 |
put_char('b');
|
|
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listen(); |
|
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put_char('m');
|
|
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listen(); |
|
| 19 | 24 |
|
| 20 | 25 |
return 0; |
| 21 | 26 |
} |
| ... | ... | |
| 36 | 41 |
struct termios options; |
| 37 | 42 |
if(tcgetattr(stream, &options)) |
| 38 | 43 |
printf("Error getting attributes");
|
| 39 |
cfsetispeed(&options, INPUT_BAUD_RATE);
|
|
| 40 |
cfsetospeed(&options, OUTPUT_BAUD_RATE);
|
|
| 41 |
options.c_iflag &= ~ICRNL; |
|
| 42 |
options.c_oflag &= ~OCRNL; |
|
| 43 |
options.c_cflag |= (CLOCAL | CREAD); |
|
| 44 |
options.c_cflag &= ~PARENB; |
|
| 45 |
options.c_cflag &= ~CSTOPB; |
|
| 44 |
cfsetispeed(&options, BAUD_RATE); |
|
| 45 |
cfsetospeed(&options, BAUD_RATE); |
|
| 46 |
//options.c_iflag &= ~ICRNL;
|
|
| 47 |
//options.c_oflag &= ~OCRNL;
|
|
| 48 |
//options.c_cflag |= (CLOCAL | CREAD);
|
|
| 49 |
options.c_cflag &= ~PARENB; //no parity
|
|
| 50 |
options.c_cflag &= ~CSTOPB; //one stop bit
|
|
| 46 | 51 |
options.c_cflag &= ~CSIZE; |
| 47 |
options.c_cflag |= CS8; |
|
| 48 |
options.c_lflag &= ~ICANON; |
|
| 49 |
options.c_cc[VMIN] = 1; |
|
| 50 |
options.c_cc[VTIME] = 50; |
|
| 52 |
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;
|
|
| 51 | 56 |
|
| 52 | 57 |
if (tcsetattr(stream, TCSANOW, &options)) |
| 53 | 58 |
{
|
| ... | ... | |
| 64 | 69 |
static void* listen() |
| 65 | 70 |
{
|
| 66 | 71 |
char c; |
| 72 |
int count = 0; |
|
| 73 |
char buf[100]; |
|
| 67 | 74 |
while (1) |
| 68 | 75 |
{
|
| 69 | 76 |
if (read_char(&c) != 0) {
|
| 70 | 77 |
printf("Listen failed.\n");
|
| 71 | 78 |
return NULL; |
| 72 | 79 |
} |
| 73 |
|
|
| 74 |
printf("%c\n", c);
|
|
| 75 |
usleep(1000); |
|
| 80 |
|
|
| 81 |
printf("%c", c); fflush(stdout);
|
|
| 82 |
|
|
| 83 |
if(c == '\0') |
|
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break; |
|
| 76 | 85 |
} |
| 77 | 86 |
|
| 78 | 87 |
return NULL; |
| ... | ... | |
| 99 | 108 |
return 0; |
| 100 | 109 |
} |
| 101 | 110 |
|
| 102 |
static int put_char(char* c)
|
|
| 111 |
static int put_char(char c) |
|
| 103 | 112 |
{
|
| 104 |
if (write(stream, c, 1) == -1) {
|
|
| 113 |
if (write(stream, &c, 1) == -1) {
|
|
| 105 | 114 |
printf("Failed to write.\r\n");
|
| 106 | 115 |
return -1; |
| 107 | 116 |
} |
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