forked from Lainports/freebsd-ports
0c1485c98f
- Fix the issue with reopening the device (patch-irio.c) PR: ports/101790 Submitted by: Mark Hobden <markhobden at gmail.com> Approved by: Douglas K. Rand <rand at meridian-enviro.com> (maintainer)
43 lines
885 B
C
43 lines
885 B
C
--- irio.c.orig Mon Mar 29 00:42:41 1999
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+++ irio.c Thu Aug 10 22:44:50 2006
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@@ -66,17 +66,11 @@
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*
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*/
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-/*
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- * Ignore the things in SUNATTEMPT. They're not even needed for a Sun.
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- */
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-
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-
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int ir_open_port(char *filename)
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{
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int parnum = 0;
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-#ifdef SUNATTEMPT
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+ int clearhand = 0;
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int hand = TIOCM_DTR | TIOCM_RTS;
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-#endif
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int baudrate=B9600;
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/* get a file descriptor */
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@@ -188,13 +182,19 @@
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return -1;
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}
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-#ifdef SUNATTEMPT
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+ /* drop the control lines to cut power to the unit */
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+ if (ioctl(portfd, TIOCMSET, &clearhand) < 0) {
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+ printf("ioctl error\n");
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+ return -1;
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+ }
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+
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+ sleep(2);
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+
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/* raise the control lines to power the unit*/
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if (ioctl(portfd, TIOCMSET, &hand) < 0) {
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printf("ioctl error\n");
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return -1;
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}
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-#endif
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/* wait a little while for everything to settle through */
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ir_usleep(IR_POWER_ON_LATENCY);
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