FreeCalypso > hg > freecalypso-reveng
annotate mot931c/emu.c @ 222:63c5bb42eca5
osmo2psi test program written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 23 Nov 2017 22:24:18 +0000 |
parents | 9082f3991fe5 |
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rev | line source |
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1 #include <sys/types.h> |
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2 #include <sys/file.h> |
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3 #include <stdio.h> |
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4 #include <stdlib.h> |
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5 #include <string.h> |
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6 #include <strings.h> |
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7 |
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8 static int fd; |
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9 |
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10 static u_char verquery[13] = {0x02, 0x14, 0x41, 0x20, 0x20, 0x00, 0x00, |
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11 0x04, 0x00, 0x00, 0x00, 0x45, 0x02}; |
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12 |
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13 static u_char verquery_resp[10] = {0x41, 0x00, 0x04, 0x00, 0x00, 0x00, |
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14 '8', '.', '8', '.'}; |
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15 |
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16 static u_char download_hdr[3] = {0x02, 0x14, 0x40}; |
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17 static u_char download_resp[2] = {0x40, 0x00}; |
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18 |
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19 send_stx() |
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20 { |
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21 static u_char stx = 0x02; |
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22 |
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23 write(fd, &stx, 1); |
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24 } |
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25 |
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26 send_rvtmux_byte(b) |
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27 { |
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28 u_char buf[2]; |
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29 int l, o; |
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30 |
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31 buf[0] = 0x10; |
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32 buf[1] = b; |
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33 if (b == 0x02 || b == 0x10) { |
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34 o = 0; |
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35 l = 2; |
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36 } else { |
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37 o = 1; |
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38 l = 1; |
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39 } |
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40 write(fd, buf + o, l); |
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41 } |
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42 |
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43 send_etm_resp(data, datalen) |
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44 u_char *data; |
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45 { |
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46 u_char csum; |
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47 int i; |
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48 |
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49 printf("Responding with:"); |
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50 send_stx(); |
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51 send_rvtmux_byte(0x14); |
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52 csum = 0; |
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53 for (i = 0; i < datalen; i++) { |
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54 printf(" %02X", data[i]); |
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55 send_rvtmux_byte(data[i]); |
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56 csum ^= data[i]; |
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57 } |
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58 send_rvtmux_byte(csum); |
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59 send_stx(); |
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60 putchar('\n'); |
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61 } |
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62 |
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63 main(argc, argv) |
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64 char **argv; |
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65 { |
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66 u_char buf[1024]; |
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67 int cc, i; |
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68 |
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69 if (argc != 2) { |
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70 fprintf(stderr, "usage: %s pty\n", argv[0]); |
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71 exit(1); |
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72 } |
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73 fd = open(argv[1], O_RDWR); |
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74 if (fd < 0) { |
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75 perror(argv[1]); |
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76 exit(1); |
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77 } |
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78 for (;;) { |
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79 cc = read(fd, buf, sizeof buf); |
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80 if (cc < 0) { |
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81 perror("read error"); |
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82 exit(1); |
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83 } |
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84 if (cc == 0) { |
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85 fprintf(stderr, "read EOF\n"); |
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86 exit(1); |
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87 } |
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88 printf("read %d bytes:", cc); |
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89 for (i = 0; i < cc; i++) |
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90 printf(" %02X", buf[i]); |
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91 putchar('\n'); |
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92 if (cc == sizeof(verquery) && !bcmp(buf, verquery, cc)) |
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93 send_etm_resp(verquery_resp, sizeof verquery_resp); |
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94 if (cc > 3 && !bcmp(buf, download_hdr, 3)) |
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95 send_etm_resp(download_resp, sizeof download_resp); |
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96 } |
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97 } |