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examples/lvgldemo: Select default demo #1

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examples/lvgldemo: Select default demo #1

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17 changes: 15 additions & 2 deletions examples/lvgldemo/lvgldemo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -171,14 +171,27 @@ static demo_create_func_t find_demo_create_func(FAR const char *name)
int main(int argc, FAR char *argv[])
{
demo_create_func_t demo_create_func;
FAR const char *demo = NULL;
const int func_key_pair_len = sizeof(func_key_pair) /
sizeof(func_key_pair[0]);

if (argc != 2)
/* If no arguments are specified and only 1 demo exists, select the demo */

if (argc == 1 && func_key_pair_len == 2) /* 2 because of NULL sentinel */
{
demo = func_key_pair[0].name;
}
else if (argc != 2)
{
show_usage();
return EXIT_FAILURE;
}
else
{
demo = argv[1];
}

demo_create_func = find_demo_create_func(argv[1]);
demo_create_func = find_demo_create_func(demo);

if (demo_create_func == NULL)
{
Expand Down