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1.1 ! root 1: #ifndef lint ! 2: static char sccsid[] = "@(#)hys.c 4.7 (Berkeley) 2/24/88"; ! 3: #endif ! 4: ! 5: #include "../condevs.h" ! 6: ! 7: #ifdef USR2400 ! 8: #define DROPDTR ! 9: /* ! 10: * The "correct" switch settings for a USR Courier 2400 are ! 11: * Dialin/out: 0 0 1 1 0 0 0 1 0 0 ! 12: * Dialout only: 0 0 1 1 1 1 0 1 0 0 ! 13: * where 0 = off and 1 = on ! 14: */ ! 15: #endif USR2400 ! 16: ! 17: /* ! 18: * hyspopn(telno, flds, dev) connect to hayes smartmodem (pulse call) ! 19: * hystopn(telno, flds, dev) connect to hayes smartmodem (tone call) ! 20: * char *flds[], *dev[]; ! 21: * ! 22: * return codes: ! 23: * >0 - file number - ok ! 24: * CF_DIAL,CF_DEVICE - failed ! 25: */ ! 26: ! 27: hyspopn(telno, flds, dev) ! 28: char *telno, *flds[]; ! 29: struct Devices *dev; ! 30: { ! 31: return hysopn(telno, flds, dev, 0); ! 32: } ! 33: ! 34: hystopn(telno, flds, dev) ! 35: char *telno, *flds[]; ! 36: struct Devices *dev; ! 37: { ! 38: return hysopn(telno, flds, dev, 1); ! 39: } ! 40: ! 41: /* ARGSUSED */ ! 42: hysopn(telno, flds, dev, toneflag) ! 43: char *telno; ! 44: char *flds[]; ! 45: struct Devices *dev; ! 46: int toneflag; ! 47: { ! 48: extern errno; ! 49: char dcname[20]; ! 50: char cbuf[MAXPH]; ! 51: register char *cp; ! 52: register int i; ! 53: int dh = -1, nrings = 0; ! 54: ! 55: sprintf(dcname, "/dev/%s", dev->D_line); ! 56: DEBUG(4, "dc - %s\n", dcname); ! 57: if (setjmp(Sjbuf)) { ! 58: logent(dcname, "TIMEOUT"); ! 59: if (dh >= 0) ! 60: hyscls(dh); ! 61: return CF_DIAL; ! 62: } ! 63: signal(SIGALRM, alarmtr); ! 64: getnextfd(); ! 65: alarm(10); ! 66: dh = open(dcname, 2); /* read/write */ ! 67: alarm(0); ! 68: ! 69: /* modem is open */ ! 70: next_fd = -1; ! 71: if (dh >= 0) { ! 72: fixline(dh, dev->D_speed); ! 73: if (dochat(dev, flds, dh)) { ! 74: logent(dcname, "CHAT FAILED"); ! 75: hyscls(dh); ! 76: return CF_DIAL; ! 77: } ! 78: write(dh, "ATV1E0H\r", 8); ! 79: if (expect("OK\r\n", dh) != 0) { ! 80: logent(dcname, "HSM seems dead"); ! 81: hyscls(dh); ! 82: return CF_DIAL; ! 83: } ! 84: #ifdef USR2400 ! 85: write(dh, "ATX6S7=44\r", 10); ! 86: if (expect("OK\r\n", dh) != 0) { ! 87: logent(dcname, "HSM seems dead"); ! 88: hyscls(dh); ! 89: return CF_DIAL; ! 90: } ! 91: #endif USR2400 ! 92: if (toneflag) ! 93: write(dh, "\rATDT", 5); ! 94: else ! 95: #ifdef USR2400 ! 96: write(dh, "\rATD", 4); ! 97: #else HAYES ! 98: write(dh, "\rATDP", 5); ! 99: #endif HAYES ! 100: write(dh, telno, strlen(telno)); ! 101: write(dh, "\r", 1); ! 102: ! 103: if (setjmp(Sjbuf)) { ! 104: logent(dcname, "TIMEOUT"); ! 105: strcpy(devSel, dev->D_line); ! 106: hyscls(dh); ! 107: return CF_DIAL; ! 108: } ! 109: signal(SIGALRM, alarmtr); ! 110: alarm(2*MAXMSGTIME); ! 111: do { ! 112: cp = cbuf; ! 113: while (read(dh, cp ,1) == 1) ! 114: if (*cp >= ' ') ! 115: break; ! 116: while (++cp < &cbuf[MAXPH] && read(dh, cp, 1) == 1 && *cp != '\n') ! 117: ; ! 118: alarm(0); ! 119: *cp-- = '\0'; ! 120: if (*cp == '\r') ! 121: *cp = '\0'; ! 122: DEBUG(4,"\nGOT: %s", cbuf); ! 123: alarm(MAXMSGTIME); ! 124: } while ((strncmp(cbuf, "RING", 4) == 0 || ! 125: strncmp(cbuf, "RRING", 5) == 0) && nrings++ < 5); ! 126: if (strncmp(cbuf, "CONNECT", 7) != 0) { ! 127: logent(cbuf, _FAILED); ! 128: strcpy(devSel, dev->D_line); ! 129: hyscls(dh); ! 130: return CF_DIAL; ! 131: } ! 132: #undef DONTRESETBAUDRATE ! 133: #ifndef DONTRESETBAUDRATE ! 134: i = atoi(&cbuf[8]); ! 135: if (i > 0 && i != dev->D_speed) { ! 136: DEBUG(4,"Baudrate reset to %d\n", i); ! 137: fixline(dh, i); ! 138: } ! 139: #endif /* DONTRESETBAUDRATE */ ! 140: ! 141: } ! 142: if (dh < 0) { ! 143: logent(dcname, "CAN'T OPEN"); ! 144: return dh; ! 145: } ! 146: DEBUG(4, "hayes ok\n", CNULL); ! 147: return dh; ! 148: } ! 149: ! 150: hyscls(fd) ! 151: int fd; ! 152: { ! 153: char dcname[20]; ! 154: #ifdef DROPDTR ! 155: struct sgttyb hup, sav; ! 156: #endif ! 157: ! 158: if (fd > 0) { ! 159: sprintf(dcname, "/dev/%s", devSel); ! 160: DEBUG(4, "Hanging up fd = %d\n", fd); ! 161: #ifdef DROPDTR ! 162: /* ! 163: * code to drop DTR -- change to 0 baud then back to default. ! 164: */ ! 165: gtty(fd, &hup); ! 166: gtty(fd, &sav); ! 167: hup.sg_ispeed = B0; ! 168: hup.sg_ospeed = B0; ! 169: stty(fd, &hup); ! 170: sleep(2); ! 171: stty(fd, &sav); ! 172: /* ! 173: * now raise DTR -- close the device & open it again. ! 174: */ ! 175: sleep(2); ! 176: close(fd); ! 177: sleep(2); ! 178: fd = open(dcname, 2); ! 179: stty(fd, &sav); ! 180: #else ! 181: sleep(3); ! 182: write(fd, "+++", 3); ! 183: #endif ! 184: sleep(3); ! 185: write(fd, "ATH\r", 4); ! 186: /* ! 187: if (expect("OK",fd) != 0) ! 188: logent(devSel, "HSM did not respond to ATZ"); ! 189: */ ! 190: sleep(1); ! 191: write(fd, "ATZ\r", 4); ! 192: sleep(1); ! 193: close(fd); ! 194: delock(devSel); ! 195: } ! 196: }
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