FreeCalypso > hg > freecalypso-sw
annotate miscutil/openport.c @ 811:d976884e0b07
aci: psa_sms?.c done
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Sun, 05 Apr 2015 07:50:02 +0000 |
parents | 3822f3b198d4 |
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1 /* |
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2 * Serial port opening code for fc-serterm |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <sys/file.h> |
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7 #include <sys/ioctl.h> |
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8 #include <termios.h> |
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9 #include <stdio.h> |
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10 #include <stdlib.h> |
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11 #include <string.h> |
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12 #include <strings.h> |
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13 #include <unistd.h> |
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14 |
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15 extern int target_fd; |
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16 |
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17 static struct baudrate { |
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18 char *name; |
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19 speed_t termios_code; |
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20 } baud_rate_table[] = { |
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21 {"19200", B19200}, |
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22 {"38400", B38400}, |
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23 {"57600", B57600}, |
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24 {"115200", B115200}, |
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25 /* non-standard high baud rates "remapped" by CP2102 usb2serial IC */ |
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26 {"203125", B230400}, |
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27 {"406250", B460800}, |
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28 {"812500", B921600}, |
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29 /* table search terminator */ |
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30 {NULL, B0} |
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31 }; |
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32 |
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33 open_target_serial(ttydev, baudname) |
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34 char *ttydev, *baudname; |
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35 { |
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36 struct termios target_termios; |
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37 struct baudrate *br; |
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38 |
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39 for (br = baud_rate_table; br->name; br++) |
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40 if (!strcmp(br->name, baudname)) |
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41 break; |
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42 if (!br->name) { |
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43 fprintf(stderr, "baud rate \"%s\" unknown/unsupported\n", |
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44 baudname); |
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45 exit(1); |
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46 } |
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47 target_fd = open(ttydev, O_RDWR|O_NONBLOCK); |
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48 if (target_fd < 0) { |
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49 perror(ttydev); |
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50 exit(1); |
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51 } |
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52 target_termios.c_iflag = IGNBRK; |
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53 target_termios.c_oflag = 0; |
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54 target_termios.c_cflag = CLOCAL|HUPCL|CREAD|CS8; |
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55 target_termios.c_lflag = 0; |
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56 target_termios.c_cc[VMIN] = 1; |
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57 target_termios.c_cc[VTIME] = 0; |
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58 cfsetispeed(&target_termios, br->termios_code); |
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59 cfsetospeed(&target_termios, br->termios_code); |
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60 if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) { |
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61 perror("initial tcsetattr on target"); |
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62 exit(1); |
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63 } |
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64 return 0; |
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65 } |