handle tinyusb device tasks on a timer, allows delays in app

This commit is contained in:
Joey Castillo
2021-08-28 19:49:49 -04:00
parent 27e3863a05
commit ef0ed276a5
2 changed files with 38 additions and 8 deletions

View File

@@ -58,11 +58,8 @@ int main(void) {
// check if we are plugged into USB power.
watch_enable_digital_input(VBUS_DET);
watch_enable_pull_down(VBUS_DET);
// IF WE ARE:
if (watch_get_pin_level(VBUS_DET)) {
// Ramp up to 16 MHz (seems necessary for USB to work)...
hri_oscctrl_write_OSC16MCTRL_reg(OSCCTRL, OSCCTRL_OSC16MCTRL_ONDEMAND | OSCCTRL_OSC16MCTRL_FSEL_16 | OSCCTRL_OSC16MCTRL_ENABLE);
// ...and enable USB functionality.
// if so, enable USB functionality.
_watch_enable_usb();
}
watch_disable_digital_input(VBUS_DET);
@@ -71,11 +68,10 @@ int main(void) {
app_setup();
while (1) {
bool usb_enabled = hri_usbdevice_get_CTRLA_ENABLE_bit(USB);
bool can_sleep = app_loop();
if (hri_usbdevice_get_CTRLA_ENABLE_bit(USB)) {
// if USB is enabled, do not sleep, and handle any pending TinyUSB tasks.
tud_task();
} else if (can_sleep) {
if (can_sleep && !usb_enabled) {
app_prepare_for_sleep();
sleep(4);
app_wake_from_sleep();