There seems to be a problem using "personality" in a userspace
component (which makes it hard to have a variable number of pins)
code:=================
component test;
option userspace;
license "GPL";
pin in unsigned test-##[16:personality];
;;
void user_mainloop(void) {
while (1) {
FOR_ALL_INSTS(){
test = 2;
}
}
}
end:===================
The error during the compile stage is:
/tmp/tmpEkMpyO/test.c:63:32: error: expected ‘)’ before numeric constant
RTAPI_MP_ARRAY_INT(personality, 64, "personality of each test");
^~~
)
Which is a bit puzzling.
Putting the code into godbolt.org suggests that RTAPI_MP_ARRAY_INT expands to:
__attribute__((section(".modinfo"))) const char*
rtapi_info_type_personality = "i";
__attribute__((section(".rtapi_export"))) char
rtapi_exported_rtapi_info_type_personality[] =
"rtapi_info_type_personality";;
__attribute__((section(".modinfo"))) void*
rtapi_info_address_personality = &personality;
__attribute__((section(".rtapi_export"))) char
rtapi_exported_rtapi_info_address_personality[] =
"rtapi_info_address_personality";;;
__attribute__((section(".modinfo"))) int rtapi_info_size_personality = 64;
__attribute__((section(".rtapi_export"))) char
rtapi_exported_rtapi_info_size_personality[] =
"rtapi_info_size_personality";;;
__attribute__((section(".modinfo"))) const char*
rtapi_info_description_personality = "personality of each test";
__attribute__((section(".rtapi_export"))) char
rtapi_exported_rtapi_info_description_personality[] =
"rtapi_info_description_personality";;;;;
Which does not appear to lack a parethesies, but also doesn't
actually appear to include any code, as such.
By contrast, the same RTAPI_MP_ARRAY_INT in kernel space expands to:
int __dummy_personality;
module_param_array(personality, int, &(__dummy_personality), 0);
__attribute__((section(".modinfo"))) const char*
rtapi_info_description_personality = "personality of each test";
__attribute__((section(".rtapi_export"))) char
rtapi_exported_rtapi_info_description_personality[] =
"rtapi_info_description_personality";;;;
ie, it does at least call module_param_array
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912
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