Skip to content

Simplify example of stdio_set_chars_available_callback #495

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 12, 2024
Merged

Simplify example of stdio_set_chars_available_callback #495

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 4 additions & 13 deletions pico_w/wifi/iperf/picow_iperf.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,21 +36,12 @@ static void iperf_report(void *arg, enum lwiperf_report_type report_type,
#endif
}

// This "worker" function is called to safely perform work when instructed by key_pressed_func
void key_pressed_worker_func(async_context_t *context, async_when_pending_worker_t *worker) {
printf("Disabling wifi\n");
cyw43_arch_disable_sta_mode();
}

static async_when_pending_worker_t key_pressed_worker = {
.do_work = key_pressed_worker_func
};

void key_pressed_func(void *param) {
int key = getchar_timeout_us(0); // get any pending key press but don't wait
if (key == 'd' || key == 'D') {
// We are probably in irq context so call wifi in a "worker"
async_context_set_work_pending((async_context_t*)param, &key_pressed_worker);
cyw43_arch_lwip_begin();
cyw43_arch_disable_sta_mode();
cyw43_arch_lwip_end();
}
}

Expand All @@ -63,7 +54,6 @@ int main() {
}

// Get notified if the user presses a key
async_context_add_when_pending_worker(cyw43_arch_async_context(), &key_pressed_worker);
stdio_set_chars_available_callback(key_pressed_func, cyw43_arch_async_context());

cyw43_arch_enable_sta_mode();
Expand Down Expand Up @@ -122,5 +112,6 @@ int main() {
}

cyw43_arch_deinit();
printf("Test complete\n");
return 0;
}