diff options
Diffstat (limited to 'devel/picprog/files/patch-picport.cc')
-rw-r--r-- | devel/picprog/files/patch-picport.cc | 82 |
1 files changed, 80 insertions, 2 deletions
diff --git a/devel/picprog/files/patch-picport.cc b/devel/picprog/files/patch-picport.cc index 0b4f619e0294..4abd6b1db38b 100644 --- a/devel/picprog/files/patch-picport.cc +++ b/devel/picprog/files/patch-picport.cc @@ -1,5 +1,5 @@ ---- picport.cc.orig Thu Apr 29 06:08:10 2004 -+++ picport.cc Wed May 25 11:09:06 2005 +--- picport.cc.orig Thu Apr 29 00:08:10 2004 ++++ picport.cc Fri Jul 8 21:46:07 2005 @@ -40,7 +40,7 @@ #include <unistd.h> #include <termios.h> @@ -9,3 +9,81 @@ #include <sched.h> #include "picport.h" +@@ -54,6 +54,11 @@ + unsigned int picport::tsc_1000ns = 0; + int picport::use_nanosleep = -1; + ++// Extra delays for long cables, in us ++int picport::t_on = 0; ++int picport::t_off = 0; ++int picport::t_edge = 0; ++ + void + picport::set_clock_data (int rts, int dtr) + { +@@ -102,7 +107,7 @@ + // Before first call to set_clock_data, read the modem status. + ioctl (fd, TIOCMGET, &modembits); + set_clock_data (0, 0); +- usleep (50); ++ usleep (50+t_edge); + // Check the CTS. If it is up, even when we just lowered DTR, + // we probably are not talking to a JDM type programmer. + int i; +@@ -200,13 +205,13 @@ + cerr << "Unable to start break on tty " << tty << ":" << strerror (e) << endl; + exit (EX_IOERR); + } +- usleep (10); ++ usleep (10+t_off); + } + + picport::~picport () + { + ioctl (fd, TIOCCBRK, 0); +- usleep (1); ++ usleep (1+t_off); + tcsetattr (fd, TCSANOW, &saved); + close (fd); + delete [] portname; +@@ -216,15 +221,15 @@ + { + set_clock_data (0, 0); + ioctl (fd, TIOCCBRK, 0); +- usleep (50); ++ usleep (50+t_off); + ioctl (fd, TIOCSBRK, 0); +- usleep (10); ++ usleep (10+t_on); + addr = 0; + } + + void picport::delay (long ns) + { +- if (1 == use_nanosleep) { ++ if (1 == use_nanosleep && !t_edge) { + timespec ts = {ns / 1000000000, ns % 1000000000}, ts2; + while (nanosleep (&ts, &ts2) && EINTR == errno) + ts = ts2; +@@ -232,7 +237,7 @@ + } + + #ifdef RDTSC_WORKS +- if (tsc_1000ns > 1) { ++ if (tsc_1000ns > 1 && !t_edge) { + unsigned long a1, d1, a2, d2; + asm volatile("rdtsc":"=a" (a1), "=d" (d1)); + d2 = d1; +@@ -259,10 +264,10 @@ + volatile int i; + gettimeofday (&tv1, 0); + tv2.tv_sec = tv1.tv_sec; +- tv2.tv_usec = 0xffffffff & (tv1.tv_usec + 1 + (ns + 999)/1000); ++ tv2.tv_usec = 0xffffffff & (tv1.tv_usec + 1 + (ns + 999)/1000+t_edge); + if (tv2.tv_usec < tv1.tv_usec) + tv2.tv_sec++; +- for (i = 0; i < 10000; i++) { ++ for (i = 0; i < 10000 || t_edge; i++) { + gettimeofday (&tv1, 0); + if (tv1.tv_sec > tv2.tv_sec + || tv1.tv_sec == tv2.tv_sec && tv1.tv_usec >= tv2.tv_usec) |