Hi,
I have an U_Boot tailored for a specific board.
In this U_Boot we have a command: “*myperipheral*"
U_BOOT_CMD(
myperipheral, 6, 0, do_my_periph,
"my peripheral info",
/* */"info - important hw
info\n"
" myperipheral [disable/enable] - disable/enable
system\n"
" myperipheral stop - stop the
driver\n"
" myperipheral reapply-clocks - reapply clock
setting \n"
" myperipheral reg <offset> - read
register\n"
);
Everything works fine so far.
Then I changed this command by adding a new parameter : *test*
U_BOOT_CMD(
myperipheral, 6, 0, do_my_periph,
"my peripheral info",
/* */"info - important hw
info\n"
" myperipheral [disable/enable] - disable/enable
system\n"
" myperipheral stop - stop the
driver\n"
" myperipheral reapply-clocks - reapply clock
setting \n"
" myperipheral reg <offset> - read
register\n"
*" myperipheral test - periph
test"*
);
So I added a function *my_test_func(),* which is called when “myperipheral
test” command is issued on u_boot cmd line.
void *my_test_func* (void) {
int i=0;
printf("Test nr %d\n", i++);
printf("Test nr %d\n", i++);
printf("Test nr %d\n", i++);
printf("Test nr %d\n", i++);
printf("Test nr %d\n", i++);
// and more 20 lines with printf("Test nr %d\n", i++);
}
Again everything works fine when I issue “myperipheral test" , I can see 25
time of prints .
But when I add another 25 lines of prints in my_test_func, rebuild and
reflash, the U_Boot does not start anymore.
Does anyone knows why ?
I mention that I’ve tried to add this my_test_function() (on both variants
with 25 and 50 prints) in myperipheral_probe() and got the same results:
with 25 U_boot starts and prints, and with 50 u_boot doesn’t start!
Of course I have real problem to solve, but my real problem leads me to
this test, because something like this I need to do in my real problem.
Best regards,
Claudiu
