diff options
Diffstat (limited to 'apps/examples/nxlines/nxlines_bkgd.c')
| -rw-r--r-- | apps/examples/nxlines/nxlines_bkgd.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/apps/examples/nxlines/nxlines_bkgd.c b/apps/examples/nxlines/nxlines_bkgd.c index 164521156..80808b1da 100644 --- a/apps/examples/nxlines/nxlines_bkgd.c +++ b/apps/examples/nxlines/nxlines_bkgd.c @@ -257,12 +257,25 @@ void nxlines_test(NXWINDOW hwnd) message("nxlines_test: nx_drawline failed clearing: %d\n", ret); } - /* Set up for the next time throught the loop then sleep for a bit. */ + /* Set up for the next time through the loop then sleep for a bit. */ - angle += b16PI / 16; /* 32 angular positions in full circle */ - if (angle > (31 * (2 * b16PI) / 32)) /* Wrap back to zero.. allowing for slop */ + angle += b16PI / 16; /* 32 angular positions in full circle */ + + /* Check if we have gone all the way around */ + + if (angle > (31 * (2 * b16PI) / 32)) { +#ifdef CONFIG_EXAMPLES_NXLINES_BUILTIN + /* If this example was built as an NSH add-on, then exit after we + * have gone all the way around once. + */ + + return; +#else + /* Wrap back to zero and continue with the test */ + angle = 0; +#endif } memcpy(&previous, &vector, sizeof(struct nxgl_vector_s)); |