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Finally fix the timing race between the IO driver, IO uploader and the on-IO firmware by making the uploader tolerant of timing offsets.

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Lorenz Meier
2014-01-24 17:30:40 +01:00
parent 1960f7d6c5
commit 73a483c265
1 changed files with 9 additions and 2 deletions
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src/drivers/px4io/px4io_uploader.cpp
+9 -2
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@@ -121,8 +121,15 @@ PX4IO_Uploader::upload(const char *filenames[])
cfsetspeed(&t, 115200);
tcsetattr(_io_fd, TCSANOW, &t);
/* look for the bootloader */
ret = sync();
/* look for the bootloader for 150 ms */
for (int i = 0; i < 15; i++) {
ret = sync();
if (ret == OK) {
break;
} else {
usleep(10000);
}
}
if (ret != OK) {
/* this is immediately fatal */