aboutsummaryrefslogtreecommitdiff
path: root/devel/picprog/files/patch-picport.cc
diff options
context:
space:
mode:
Diffstat (limited to 'devel/picprog/files/patch-picport.cc')
-rw-r--r--devel/picprog/files/patch-picport.cc82
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)